Database test updates (#461)

* Initial changes

* Move test

* Disable async

* Add createCustomDataTest

* Move test case data to JSON file

* Update tests

* Cleanup

* Simplify

* Add dedicated test for database clearing

* Remove previous clear testing

* Remove unused test function

* Update values

3 files changed, 1019 insertions, 792 deletions

diff --git a/test/data/database-test-cases.json b/test/data/database-test-cases.json
new file mode 100644
index 00000000..02fddd49
--- /dev/null
+++ b/test/data/database-test-cases.json
@@ -0,0 +1,811 @@
+{
+  "expectedSummary": {
+    "title": "Test Dictionary",
+    "revision": "test",
+    "sequenced": true,
+    "version": 3,
+    "importDate": 0,
+    "prefixWildcardsSupported": true,
+    "counts": {
+      "kanji": {
+        "total": 2
+      },
+      "kanjiMeta": {
+        "total": 6,
+        "freq": 6
+      },
+      "media": {
+        "total": 6
+      },
+      "tagMeta": {
+        "total": 15
+      },
+      "termMeta": {
+        "total": 39,
+        "freq": 31,
+        "pitch": 7,
+        "ipa": 1
+      },
+      "terms": {
+        "total": 23
+      }
+    }
+  },
+  "expectedCounts": {
+    "counts": [
+      {
+        "kanji": 2,
+        "kanjiMeta": 6,
+        "terms": 23,
+        "termMeta": 39,
+        "tagMeta": 15,
+        "media": 6
+      }
+    ],
+    "total": {
+      "kanji": 2,
+      "kanjiMeta": 6,
+      "terms": 23,
+      "termMeta": 39,
+      "tagMeta": 15,
+      "media": 6
+    }
+  },
+  "tests": {
+    "findTermsBulk": [
+      {
+        "inputs": [
+          {
+            "matchType": "exact",
+            "termList": [
+              "打",
+              "打つ",
+              "打ち込む"
+            ]
+          },
+          {
+            "matchType": "exact",
+            "termList": [
+              "だ",
+              "ダース",
+              "うつ",
+              "ぶつ",
+              "うちこむ",
+              "ぶちこむ"
+            ]
+          },
+          {
+            "matchType": "prefix",
+            "termList": [
+              "打"
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 10,
+          "terms": [
+            [
+              "打",
+              2
+            ],
+            [
+              "打つ",
+              4
+            ],
+            [
+              "打ち込む",
+              4
+            ]
+          ],
+          "readings": [
+            [
+              "だ",
+              1
+            ],
+            [
+              "ダース",
+              1
+            ],
+            [
+              "うつ",
+              2
+            ],
+            [
+              "ぶつ",
+              2
+            ],
+            [
+              "うちこむ",
+              2
+            ],
+            [
+              "ぶちこむ",
+              2
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "matchType": "exact",
+            "termList": [
+              "込む"
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 0,
+          "terms": [],
+          "readings": []
+        }
+      },
+      {
+        "inputs": [
+          {
+            "matchType": "suffix",
+            "termList": [
+              "込む"
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 4,
+          "terms": [
+            [
+              "打ち込む",
+              4
+            ]
+          ],
+          "readings": [
+            [
+              "うちこむ",
+              2
+            ],
+            [
+              "ぶちこむ",
+              2
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "matchType": "exact",
+            "termList": []
+          }
+        ],
+        "expectedResults": {
+          "total": 0,
+          "terms": [],
+          "readings": []
+        }
+      }
+    ],
+    "findTermsExactBulk": [
+      {
+        "inputs": [
+          {
+            "termList": [
+              {
+                "term": "打",
+                "reading": "だ"
+              },
+              {
+                "term": "打つ",
+                "reading": "うつ"
+              },
+              {
+                "term": "打ち込む",
+                "reading": "うちこむ"
+              }
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 5,
+          "terms": [
+            [
+              "打",
+              1
+            ],
+            [
+              "打つ",
+              2
+            ],
+            [
+              "打ち込む",
+              2
+            ]
+          ],
+          "readings": [
+            [
+              "だ",
+              1
+            ],
+            [
+              "うつ",
+              2
+            ],
+            [
+              "うちこむ",
+              2
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "termList": [
+              {
+                "term": "打",
+                "reading": "だ?"
+              },
+              {
+                "term": "打つ",
+                "reading": "うつ?"
+              },
+              {
+                "term": "打ち込む",
+                "reading": "うちこむ?"
+              }
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 0,
+          "terms": [],
+          "readings": []
+        }
+      },
+      {
+        "inputs": [
+          {
+            "termList": [
+              {
+                "term": "打つ",
+                "reading": "うつ"
+              },
+              {
+                "term": "打つ",
+                "reading": "ぶつ"
+              }
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 4,
+          "terms": [
+            [
+              "打つ",
+              4
+            ]
+          ],
+          "readings": [
+            [
+              "うつ",
+              2
+            ],
+            [
+              "ぶつ",
+              2
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "termList": [
+              {
+                "term": "打つ",
+                "reading": "うちこむ"
+              }
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 0,
+          "terms": [],
+          "readings": []
+        }
+      },
+      {
+        "inputs": [
+          {
+            "termList": []
+          }
+        ],
+        "expectedResults": {
+          "total": 0,
+          "terms": [],
+          "readings": []
+        }
+      }
+    ],
+    "findTermsBySequenceBulk": [
+      {
+        "inputs": [
+          {
+            "sequenceList": [
+              1,
+              2,
+              3,
+              4,
+              5
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 11,
+          "terms": [
+            [
+              "打",
+              2
+            ],
+            [
+              "打つ",
+              4
+            ],
+            [
+              "打ち込む",
+              4
+            ],
+            [
+              "画像",
+              1
+            ]
+          ],
+          "readings": [
+            [
+              "だ",
+              1
+            ],
+            [
+              "ダース",
+              1
+            ],
+            [
+              "うつ",
+              2
+            ],
+            [
+              "ぶつ",
+              2
+            ],
+            [
+              "うちこむ",
+              2
+            ],
+            [
+              "ぶちこむ",
+              2
+            ],
+            [
+              "がぞう",
+              1
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "sequenceList": [
+              1
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 1,
+          "terms": [
+            [
+              "打",
+              1
+            ]
+          ],
+          "readings": [
+            [
+              "だ",
+              1
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "sequenceList": [
+              2
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 1,
+          "terms": [
+            [
+              "打",
+              1
+            ]
+          ],
+          "readings": [
+            [
+              "ダース",
+              1
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "sequenceList": [
+              3
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 4,
+          "terms": [
+            [
+              "打つ",
+              4
+            ]
+          ],
+          "readings": [
+            [
+              "うつ",
+              2
+            ],
+            [
+              "ぶつ",
+              2
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "sequenceList": [
+              4
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 4,
+          "terms": [
+            [
+              "打ち込む",
+              4
+            ]
+          ],
+          "readings": [
+            [
+              "うちこむ",
+              2
+            ],
+            [
+              "ぶちこむ",
+              2
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "sequenceList": [
+              5
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 1,
+          "terms": [
+            [
+              "画像",
+              1
+            ]
+          ],
+          "readings": [
+            [
+              "がぞう",
+              1
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "sequenceList": [
+              1099490
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 1,
+          "terms": [
+            [
+              "発条",
+              1
+            ]
+          ],
+          "readings": [
+            [
+              "ばね",
+              1
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "sequenceList": [
+              -1
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 0,
+          "terms": [],
+          "readings": []
+        }
+      },
+      {
+        "inputs": [
+          {
+            "sequenceList": []
+          }
+        ],
+        "expectedResults": {
+          "total": 0,
+          "terms": [],
+          "readings": []
+        }
+      }
+    ],
+    "findTermMetaBulk": [
+      {
+        "inputs": [
+          {
+            "termList": [
+              "打"
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 11,
+          "modes": [
+            [
+              "freq",
+              11
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "termList": [
+              "打つ"
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 10,
+          "modes": [
+            [
+              "freq",
+              10
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "termList": [
+              "打ち込む"
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 12,
+          "modes": [
+            [
+              "freq",
+              10
+            ],
+            [
+              "pitch",
+              2
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "termList": [
+              "?"
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 0,
+          "modes": []
+        }
+      }
+    ],
+    "findKanjiBulk": [
+      {
+        "inputs": [
+          {
+            "kanjiList": [
+              "打"
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 1,
+          "kanji": [
+            [
+              "打",
+              1
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "kanjiList": [
+              "込"
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 1,
+          "kanji": [
+            [
+              "込",
+              1
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "kanjiList": [
+              "?"
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 0,
+          "kanji": []
+        }
+      }
+    ],
+    "findKanjiMetaBulk": [
+      {
+        "inputs": [
+          {
+            "kanjiList": [
+              "打"
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 3,
+          "modes": [
+            [
+              "freq",
+              3
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "kanjiList": [
+              "込"
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 3,
+          "modes": [
+            [
+              "freq",
+              3
+            ]
+          ]
+        }
+      },
+      {
+        "inputs": [
+          {
+            "kanjiList": [
+              "?"
+            ]
+          }
+        ],
+        "expectedResults": {
+          "total": 0,
+          "modes": []
+        }
+      }
+    ],
+    "findTagForTitle": [
+      {
+        "inputs": [
+          {
+            "name": "E1"
+          }
+        ],
+        "expectedResults": {
+          "value": {
+            "category": "default",
+            "dictionary": "Test Dictionary",
+            "name": "E1",
+            "notes": "example tag 1",
+            "order": 0,
+            "score": 0
+          }
+        }
+      },
+      {
+        "inputs": [
+          {
+            "name": "K1"
+          }
+        ],
+        "expectedResults": {
+          "value": {
+            "category": "default",
+            "dictionary": "Test Dictionary",
+            "name": "K1",
+            "notes": "example kanji tag 1",
+            "order": 0,
+            "score": 0
+          }
+        }
+      },
+      {
+        "inputs": [
+          {
+            "name": "kstat1"
+          }
+        ],
+        "expectedResults": {
+          "value": {
+            "category": "class",
+            "dictionary": "Test Dictionary",
+            "name": "kstat1",
+            "notes": "kanji stat 1",
+            "order": 0,
+            "score": 0
+          }
+        }
+      },
+      {
+        "inputs": [
+          {
+            "name": "invalid"
+          }
+        ],
+        "expectedResults": {
+          "value": null
+        }
+      }
+    ]
+  }
+}
diff --git a/test/data/json.json b/test/data/json.json
index abe2e339..83b1b4e0 100644
--- a/test/data/json.json
+++ b/test/data/json.json
@@ -119,6 +119,12 @@
             "jsconfig": "test"
         },
         {
+            "path": "test/data/database-test-cases.json",
+            "typeFile": "types/test/database.d.ts",
+            "type": "DatabaseTestData",
+            "jsconfig": "test"
+        },
+        {
             "path": "test/data/json.json",
             "typeFile": "types/test/json.d.ts",
             "type": "JsonInfo"
diff --git a/test/database.test.js b/test/database.test.js
index f5d2c307..0b9ce94f 100644
--- a/test/database.test.js
+++ b/test/database.test.js
@@ -17,16 +17,17 @@
  */
 
 import {IDBFactory, IDBKeyRange} from 'fake-indexeddb';
+import {readFileSync} from 'node:fs';
 import {fileURLToPath} from 'node:url';
-import path from 'path';
-import {beforeEach, describe, expect, test, vi} from 'vitest';
+import {join, dirname as pathDirname} from 'path';
+import {beforeEach, describe, test, vi} from 'vitest';
 import {parseJson} from '../dev/json.js';
 import {createDictionaryArchive} from '../dev/util.js';
 import {DictionaryDatabase} from '../ext/js/dictionary/dictionary-database.js';
 import {DictionaryImporter} from '../ext/js/dictionary/dictionary-importer.js';
 import {DictionaryImporterMediaLoader} from './mocks/dictionary-importer-media-loader.js';
 
-const dirname = path.dirname(fileURLToPath(import.meta.url));
+const dirname = pathDirname(fileURLToPath(import.meta.url));
 
 vi.stubGlobal('IDBKeyRange', IDBKeyRange);
 
@@ -36,28 +37,27 @@ vi.stubGlobal('IDBKeyRange', IDBKeyRange);
  * @returns {import('jszip')}
  */
 function createTestDictionaryArchive(dictionary, dictionaryName) {
-    const dictionaryDirectory = path.join(dirname, 'data', 'dictionaries', dictionary);
+    const dictionaryDirectory = join(dirname, 'data', 'dictionaries', dictionary);
     return createDictionaryArchive(dictionaryDirectory, dictionaryName);
 }
 
-
 /**
+ * @param {import('vitest').ExpectStatic} expect
  * @param {import('dictionary-importer').OnProgressCallback} [onProgress]
  * @returns {DictionaryImporter}
  */
-function createDictionaryImporter(onProgress) {
+function createDictionaryImporter(expect, onProgress) {
     const dictionaryImporterMediaLoader = new DictionaryImporterMediaLoader();
     return new DictionaryImporter(dictionaryImporterMediaLoader, (...args) => {
         const {stepIndex, stepCount, index, count} = args[0];
-        expect(stepIndex < stepCount).toBe(true);
-        expect(index <= count).toBe(true);
+        expect.soft(stepIndex < stepCount).toBe(true);
+        expect.soft(index <= count).toBe(true);
         if (typeof onProgress === 'function') {
             onProgress(...args);
         }
     });
 }
 
-
 /**
  * @param {import('dictionary-database').TermEntry[]} dictionaryDatabaseEntries
  * @param {string} term
@@ -104,8 +104,11 @@ function countKanjiWithCharacter(kanji, character) {
 
 
 /** */
-async function testDatabase1() {
-    test('Database1', async () => {
+describe('Database', () => {
+    beforeEach(async () => {
+        globalThis.indexedDB = new IDBFactory();
+    });
+    test('Database invalid usage', async ({expect}) => {
         // Load dictionary data
         const testDictionary = createTestDictionaryArchive('valid-dictionary1');
         const testDictionarySource = await testDictionary.generateAsync({type: 'arraybuffer'});
@@ -117,840 +120,247 @@ async function testDatabase1() {
             [title, {priority: 0, allowSecondarySearches: false}]
         ]);
 
-        // Setup iteration data
-        const iterations = [
-            {
-                cleanup: async () => {
-                // Test purge
-                    await dictionaryDatabase.purge();
-                    await testDatabaseEmpty1(dictionaryDatabase);
-                }
-            },
-            {
-                cleanup: async () => {
-                // Test deleteDictionary
-                    let progressEvent = false;
-                    await dictionaryDatabase.deleteDictionary(
-                        title,
-                        1000,
-                        () => {
-                            progressEvent = true;
-                        }
-                    );
-                    expect(progressEvent).toBe(true);
-
-                    await testDatabaseEmpty1(dictionaryDatabase);
-                }
-            },
-            {
-                cleanup: async () => {}
-            }
-        ];
-
         // Setup database
         const dictionaryDatabase = new DictionaryDatabase();
+        /** @type {import('dictionary-importer').ImportDetails} */
+        const detaultImportDetails = {prefixWildcardsSupported: false};
+
+        // Database not open
+        await expect.soft(dictionaryDatabase.deleteDictionary(title, 1000, () => {})).rejects.toThrow('Database not open');
+        await expect.soft(dictionaryDatabase.findTermsBulk(['?'], titles, 'exact')).rejects.toThrow('Database not open');
+        await expect.soft(dictionaryDatabase.findTermsExactBulk([{term: '?', reading: '?'}], titles)).rejects.toThrow('Database not open');
+        await expect.soft(dictionaryDatabase.findTermsBySequenceBulk([{query: 1, dictionary: title}])).rejects.toThrow('Database not open');
+        await expect.soft(dictionaryDatabase.findTermMetaBulk(['?'], titles)).rejects.toThrow('Database not open');
+        await expect.soft(dictionaryDatabase.findTermMetaBulk(['?'], titles)).rejects.toThrow('Database not open');
+        await expect.soft(dictionaryDatabase.findKanjiBulk(['?'], titles)).rejects.toThrow('Database not open');
+        await expect.soft(dictionaryDatabase.findKanjiMetaBulk(['?'], titles)).rejects.toThrow('Database not open');
+        await expect.soft(dictionaryDatabase.findTagForTitle('tag', title)).rejects.toThrow('Database not open');
+        await expect.soft(dictionaryDatabase.getDictionaryInfo()).rejects.toThrow('Database not open');
+        await expect.soft(dictionaryDatabase.getDictionaryCounts([...titles.keys()], true)).rejects.toThrow('Database not open');
+        await expect.soft(createDictionaryImporter(expect).importDictionary(dictionaryDatabase, testDictionarySource, detaultImportDetails)).rejects.toThrow('Database is not ready');
+
         await dictionaryDatabase.prepare();
 
-        for (const {cleanup} of iterations) {
-            const expectedSummary = {
-                title,
-                revision: 'test',
-                sequenced: true,
-                version: 3,
-                importDate: 0,
-                prefixWildcardsSupported: true,
-                counts: {
-                    kanji: {total: 2},
-                    kanjiMeta: {total: 6, freq: 6},
-                    media: {total: 6},
-                    tagMeta: {total: 15},
-                    termMeta: {total: 39, freq: 31, pitch: 7, ipa: 1},
-                    terms: {total: 23}
-                }
-            };
+        // Already prepared
+        await expect.soft(dictionaryDatabase.prepare()).rejects.toThrow('Database already open');
+
+        await createDictionaryImporter(expect).importDictionary(dictionaryDatabase, testDictionarySource, detaultImportDetails);
+
+        // Dictionary already imported
+        await expect.soft(createDictionaryImporter(expect).importDictionary(dictionaryDatabase, testDictionarySource, detaultImportDetails)).rejects.toThrow('Dictionary is already imported');
+
+        await dictionaryDatabase.close();
+    });
+    describe('Invalid dictionaries', () => {
+        const invalidDictionaries = [
+            {name: 'invalid-dictionary1'},
+            {name: 'invalid-dictionary2'},
+            {name: 'invalid-dictionary3'},
+            {name: 'invalid-dictionary4'},
+            {name: 'invalid-dictionary5'},
+            {name: 'invalid-dictionary6'}
+        ];
+        describe.each(invalidDictionaries)('Invalid dictionary: $name', ({name}) => {
+            test('Has invalid data', async ({expect}) => {
+                const dictionaryDatabase = new DictionaryDatabase();
+                await dictionaryDatabase.prepare();
+
+                const testDictionary = createTestDictionaryArchive(name);
+                const testDictionarySource = await testDictionary.generateAsync({type: 'arraybuffer'});
+
+                /** @type {import('dictionary-importer').ImportDetails} */
+                const detaultImportDetails = {prefixWildcardsSupported: false};
+                await expect.soft(createDictionaryImporter(expect).importDictionary(dictionaryDatabase, testDictionarySource, detaultImportDetails)).rejects.toThrow('Dictionary has invalid data');
+                await dictionaryDatabase.close();
+            });
+        });
+    });
+    describe('Database valid usage', () => {
+        const testDataFilePath = join(dirname, 'data/database-test-cases.json');
+        /** @type {import('test/database').DatabaseTestData} */
+        const testData = parseJson(readFileSync(testDataFilePath, {encoding: 'utf8'}));
+        test('Import data and test', async ({expect}) => {
+            const fakeImportDate = testData.expectedSummary.importDate;
+
+            // Load dictionary data
+            const testDictionary = createTestDictionaryArchive('valid-dictionary1');
+            const testDictionarySource = await testDictionary.generateAsync({type: 'arraybuffer'});
+            /** @type {import('dictionary-data').Index} */
+            const testDictionaryIndex = parseJson(await testDictionary.files['index.json'].async('string'));
+
+            const title = testDictionaryIndex.title;
+            const titles = new Map([
+                [title, {priority: 0, allowSecondarySearches: false}]
+            ]);
+
+            // Setup database
+            const dictionaryDatabase = new DictionaryDatabase();
+            await dictionaryDatabase.prepare();
 
             // Import data
-            let progressEvent = false;
-            const dictionaryImporter = createDictionaryImporter(() => { progressEvent = true; });
-            const {result, errors} = await dictionaryImporter.importDictionary(
+            let progressEvent1 = false;
+            const dictionaryImporter = createDictionaryImporter(expect, () => { progressEvent1 = true; });
+            const {result: importDictionaryResult, errors: importDictionaryErrors} = await dictionaryImporter.importDictionary(
                 dictionaryDatabase,
                 testDictionarySource,
                 {prefixWildcardsSupported: true}
             );
-            expectedSummary.importDate = result.importDate;
-            expect(errors).toStrictEqual([]);
-            expect(result).toStrictEqual(expectedSummary);
-            expect(progressEvent).toBe(true);
+            importDictionaryResult.importDate = fakeImportDate;
+            expect.soft(importDictionaryErrors).toStrictEqual([]);
+            expect.soft(importDictionaryResult).toStrictEqual(testData.expectedSummary);
+            expect.soft(progressEvent1).toBe(true);
 
             // Get info summary
             const info = await dictionaryDatabase.getDictionaryInfo();
-            expect(info).toStrictEqual([expectedSummary]);
+            for (const item of info) { item.importDate = fakeImportDate; }
+            expect.soft(info).toStrictEqual([testData.expectedSummary]);
 
             // Get counts
-            const counts = await dictionaryDatabase.getDictionaryCounts(
-                info.map((v) => v.title),
-                true
-            );
-            expect(counts).toStrictEqual({
-                counts: [{kanji: 2, kanjiMeta: 6, terms: 23, termMeta: 39, tagMeta: 15, media: 6}],
-                total: {kanji: 2, kanjiMeta: 6, terms: 23, termMeta: 39, tagMeta: 15, media: 6}
-            });
-
-            // Test find* functions
-            await testFindTermsBulkTest1(dictionaryDatabase, titles);
-            await testFindTermsExactBulk1(dictionaryDatabase, titles);
-            await testFindTermsBySequenceBulk1(dictionaryDatabase, title);
-            await testFindTermMetaBulk1(dictionaryDatabase, titles);
-            await testFindKanjiBulk1(dictionaryDatabase, titles);
-            await testFindKanjiMetaBulk1(dictionaryDatabase, titles);
-            await testFindTagForTitle1(dictionaryDatabase, title);
-
-            // Cleanup
-            await cleanup();
-        }
-
-        await dictionaryDatabase.close();
-    });
-}
+            const counts = await dictionaryDatabase.getDictionaryCounts(info.map((v) => v.title), true);
+            expect.soft(counts).toStrictEqual(testData.expectedCounts);
 
-/**
- * @param {DictionaryDatabase} database
- */
-async function testDatabaseEmpty1(database) {
-    test('DatabaseEmpty1', async () => {
-        const info = await database.getDictionaryInfo();
-        expect(info).toStrictEqual([]);
-
-        const counts = await database.getDictionaryCounts([], true);
-        expect(counts).toStrictEqual({
-            counts: [],
-            total: {kanji: 0, kanjiMeta: 0, terms: 0, termMeta: 0, tagMeta: 0, media: 0}
-        });
-    });
-}
-
-/**
- * @param {DictionaryDatabase} database
- * @param {import('dictionary-database').DictionarySet} titles
- */
-async function testFindTermsBulkTest1(database, titles) {
-    test('FindTermsBulkTest1', async () => {
-        /** @type {{inputs: {matchType: import('dictionary-database').MatchType, termList: string[]}[], expectedResults: {total: number, terms: [key: string, count: number][], readings: [key: string, count: number][]}}[]} */
-        const data = [
-            {
-                inputs: [
-                    {
-                        matchType: 'exact',
-                        termList: ['打', '打つ', '打ち込む']
-                    },
-                    {
-                        matchType: 'exact',
-                        termList: ['だ', 'ダース', 'うつ', 'ぶつ', 'うちこむ', 'ぶちこむ']
-                    },
-                    {
-                        matchType: 'prefix',
-                        termList: ['打']
-                    }
-                ],
-                expectedResults: {
-                    total: 10,
-                    terms: [
-                        ['打', 2],
-                        ['打つ', 4],
-                        ['打ち込む', 4]
-                    ],
-                    readings: [
-                        ['だ', 1],
-                        ['ダース', 1],
-                        ['うつ', 2],
-                        ['ぶつ', 2],
-                        ['うちこむ', 2],
-                        ['ぶちこむ', 2]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        matchType: 'exact',
-                        termList: ['込む']
+            // Test findTermsBulk
+            for (const {inputs, expectedResults} of testData.tests.findTermsBulk) {
+                for (const {termList, matchType} of inputs) {
+                    const results = await dictionaryDatabase.findTermsBulk(termList, titles, matchType);
+                    expect.soft(results.length).toStrictEqual(expectedResults.total);
+                    for (const [term, count] of expectedResults.terms) {
+                        expect.soft(countDictionaryDatabaseEntriesWithTerm(results, term)).toStrictEqual(count);
                     }
-                ],
-                expectedResults: {
-                    total: 0,
-                    terms: [],
-                    readings: []
-                }
-            },
-            {
-                inputs: [
-                    {
-                        matchType: 'suffix',
-                        termList: ['込む']
-                    }
-                ],
-                expectedResults: {
-                    total: 4,
-                    terms: [
-                        ['打ち込む', 4]
-                    ],
-                    readings: [
-                        ['うちこむ', 2],
-                        ['ぶちこむ', 2]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        matchType: 'exact',
-                        termList: []
+                    for (const [reading, count] of expectedResults.readings) {
+                        expect.soft(countDictionaryDatabaseEntriesWithReading(results, reading)).toStrictEqual(count);
                     }
-                ],
-                expectedResults: {
-                    total: 0,
-                    terms: [],
-                    readings: []
-                }
-            }
-        ];
-
-        for (const {inputs, expectedResults} of data) {
-            for (const {termList, matchType} of inputs) {
-                const results = await database.findTermsBulk(termList, titles, matchType);
-                expect(results.length).toStrictEqual(expectedResults.total);
-                for (const [term, count] of expectedResults.terms) {
-                    expect(countDictionaryDatabaseEntriesWithTerm(results, term)).toStrictEqual(count);
-                }
-                for (const [reading, count] of expectedResults.readings) {
-                    expect(countDictionaryDatabaseEntriesWithReading(results, reading)).toStrictEqual(count);
                 }
             }
-        }
-    });
-}
 
-/**
- * @param {DictionaryDatabase} database
- * @param {import('dictionary-database').DictionarySet} titles
- */
-async function testFindTermsExactBulk1(database, titles) {
-    test('FindTermsExactBulk1', async () => {
-        /** @type {{inputs: {termList: {term: string, reading: string}[]}[], expectedResults: {total: number, terms: [key: string, count: number][], readings: [key: string, count: number][]}}[]} */
-        const data = [
-            {
-                inputs: [
-                    {
-                        termList: [
-                            {term: '打', reading: 'だ'},
-                            {term: '打つ', reading: 'うつ'},
-                            {term: '打ち込む', reading: 'うちこむ'}
-                        ]
+            // Test findTermsExactBulk
+            for (const {inputs, expectedResults} of testData.tests.findTermsExactBulk) {
+                for (const {termList} of inputs) {
+                    const results = await dictionaryDatabase.findTermsExactBulk(termList, titles);
+                    expect.soft(results.length).toStrictEqual(expectedResults.total);
+                    for (const [term, count] of expectedResults.terms) {
+                        expect.soft(countDictionaryDatabaseEntriesWithTerm(results, term)).toStrictEqual(count);
                     }
-                ],
-                expectedResults: {
-                    total: 5,
-                    terms: [
-                        ['打', 1],
-                        ['打つ', 2],
-                        ['打ち込む', 2]
-                    ],
-                    readings: [
-                        ['だ', 1],
-                        ['うつ', 2],
-                        ['うちこむ', 2]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        termList: [
-                            {term: '打', reading: 'だ?'},
-                            {term: '打つ', reading: 'うつ?'},
-                            {term: '打ち込む', reading: 'うちこむ?'}
-                        ]
+                    for (const [reading, count] of expectedResults.readings) {
+                        expect.soft(countDictionaryDatabaseEntriesWithReading(results, reading)).toStrictEqual(count);
                     }
-                ],
-                expectedResults: {
-                    total: 0,
-                    terms: [],
-                    readings: []
-                }
-            },
-            {
-                inputs: [
-                    {
-                        termList: [
-                            {term: '打つ', reading: 'うつ'},
-                            {term: '打つ', reading: 'ぶつ'}
-                        ]
-                    }
-                ],
-                expectedResults: {
-                    total: 4,
-                    terms: [
-                        ['打つ', 4]
-                    ],
-                    readings: [
-                        ['うつ', 2],
-                        ['ぶつ', 2]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        termList: [
-                            {term: '打つ', reading: 'うちこむ'}
-                        ]
-                    }
-                ],
-                expectedResults: {
-                    total: 0,
-                    terms: [],
-                    readings: []
-                }
-            },
-            {
-                inputs: [
-                    {
-                        termList: []
-                    }
-                ],
-                expectedResults: {
-                    total: 0,
-                    terms: [],
-                    readings: []
                 }
             }
-        ];
 
-        for (const {inputs, expectedResults} of data) {
-            for (const {termList} of inputs) {
-                const results = await database.findTermsExactBulk(termList, titles);
-                expect(results.length).toStrictEqual(expectedResults.total);
-                for (const [term, count] of expectedResults.terms) {
-                    expect(countDictionaryDatabaseEntriesWithTerm(results, term)).toStrictEqual(count);
-                }
-                for (const [reading, count] of expectedResults.readings) {
-                    expect(countDictionaryDatabaseEntriesWithReading(results, reading)).toStrictEqual(count);
-                }
-            }
-        }
-    });
-}
-
-/**
- * @param {DictionaryDatabase} database
- * @param {string} mainDictionary
- */
-async function testFindTermsBySequenceBulk1(database, mainDictionary) {
-    test('FindTermsBySequenceBulk1', async () => {
-        /** @type {{inputs: {sequenceList: number[]}[], expectedResults: {total: number, terms: [key: string, count: number][], readings: [key: string, count: number][]}}[]} */
-        const data = [
-            {
-                inputs: [
-                    {
-                        sequenceList: [1, 2, 3, 4, 5]
-                    }
-                ],
-                expectedResults: {
-                    total: 11,
-                    terms: [
-                        ['打', 2],
-                        ['打つ', 4],
-                        ['打ち込む', 4],
-                        ['画像', 1]
-                    ],
-                    readings: [
-                        ['だ', 1],
-                        ['ダース', 1],
-                        ['うつ', 2],
-                        ['ぶつ', 2],
-                        ['うちこむ', 2],
-                        ['ぶちこむ', 2],
-                        ['がぞう', 1]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        sequenceList: [1]
-                    }
-                ],
-                expectedResults: {
-                    total: 1,
-                    terms: [
-                        ['打', 1]
-                    ],
-                    readings: [
-                        ['だ', 1]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        sequenceList: [2]
-                    }
-                ],
-                expectedResults: {
-                    total: 1,
-                    terms: [
-                        ['打', 1]
-                    ],
-                    readings: [
-                        ['ダース', 1]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        sequenceList: [3]
-                    }
-                ],
-                expectedResults: {
-                    total: 4,
-                    terms: [
-                        ['打つ', 4]
-                    ],
-                    readings: [
-                        ['うつ', 2],
-                        ['ぶつ', 2]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        sequenceList: [4]
-                    }
-                ],
-                expectedResults: {
-                    total: 4,
-                    terms: [
-                        ['打ち込む', 4]
-                    ],
-                    readings: [
-                        ['うちこむ', 2],
-                        ['ぶちこむ', 2]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        sequenceList: [5]
+            // Test findTermsBySequenceBulk
+            for (const {inputs, expectedResults} of testData.tests.findTermsBySequenceBulk) {
+                for (const {sequenceList} of inputs) {
+                    const results = await dictionaryDatabase.findTermsBySequenceBulk(sequenceList.map((query) => ({query, dictionary: title})));
+                    expect.soft(results.length).toStrictEqual(expectedResults.total);
+                    for (const [term, count] of expectedResults.terms) {
+                        expect.soft(countDictionaryDatabaseEntriesWithTerm(results, term)).toStrictEqual(count);
                     }
-                ],
-                expectedResults: {
-                    total: 1,
-                    terms: [
-                        ['画像', 1]
-                    ],
-                    readings: [
-                        ['がぞう', 1]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        sequenceList: [1099490]
-                    }
-                ],
-                expectedResults: {
-                    total: 1,
-                    terms: [
-                        ['発条', 1]
-                    ],
-                    readings: [
-                        ['ばね', 1]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        sequenceList: [-1]
+                    for (const [reading, count] of expectedResults.readings) {
+                        expect.soft(countDictionaryDatabaseEntriesWithReading(results, reading)).toStrictEqual(count);
                     }
-                ],
-                expectedResults: {
-                    total: 0,
-                    terms: [],
-                    readings: []
-                }
-            },
-            {
-                inputs: [
-                    {
-                        sequenceList: []
-                    }
-                ],
-                expectedResults: {
-                    total: 0,
-                    terms: [],
-                    readings: []
                 }
             }
-        ];
-
-        for (const {inputs, expectedResults} of data) {
-            for (const {sequenceList} of inputs) {
-                const results = await database.findTermsBySequenceBulk(sequenceList.map((query) => ({query, dictionary: mainDictionary})));
-                expect(results.length).toStrictEqual(expectedResults.total);
-                for (const [term, count] of expectedResults.terms) {
-                    expect(countDictionaryDatabaseEntriesWithTerm(results, term)).toStrictEqual(count);
-                }
-                for (const [reading, count] of expectedResults.readings) {
-                    expect(countDictionaryDatabaseEntriesWithReading(results, reading)).toStrictEqual(count);
-                }
-            }
-        }
-    });
-}
 
-/**
- * @param {DictionaryDatabase} database
- * @param {import('dictionary-database').DictionarySet} titles
- */
-async function testFindTermMetaBulk1(database, titles) {
-    test('FindTermMetaBulk1', async () => {
-        /** @type {{inputs: {termList: string[]}[], expectedResults: {total: number, modes: [key: import('dictionary-database').TermMetaType, count: number][]}}[]} */
-        const data = [
-            {
-                inputs: [
-                    {
-                        termList: ['打']
-                    }
-                ],
-                expectedResults: {
-                    total: 11,
-                    modes: [
-                        ['freq', 11]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        termList: ['打つ']
-                    }
-                ],
-                expectedResults: {
-                    total: 10,
-                    modes: [
-                        ['freq', 10]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        termList: ['打ち込む']
-                    }
-                ],
-                expectedResults: {
-                    total: 12,
-                    modes: [
-                        ['freq', 10],
-                        ['pitch', 2]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        termList: ['?']
+            // Test findTermMetaBulk
+            for (const {inputs, expectedResults} of testData.tests.findTermMetaBulk) {
+                for (const {termList} of inputs) {
+                    const results = await dictionaryDatabase.findTermMetaBulk(termList, titles);
+                    expect.soft(results.length).toStrictEqual(expectedResults.total);
+                    for (const [mode, count] of expectedResults.modes) {
+                        expect.soft(countMetasWithMode(results, mode)).toStrictEqual(count);
                     }
-                ],
-                expectedResults: {
-                    total: 0,
-                    modes: []
                 }
             }
-        ];
 
-        for (const {inputs, expectedResults} of data) {
-            for (const {termList} of inputs) {
-                const results = await database.findTermMetaBulk(termList, titles);
-                expect(results.length).toStrictEqual(expectedResults.total);
-                for (const [mode, count] of expectedResults.modes) {
-                    expect(countMetasWithMode(results, mode)).toStrictEqual(count);
-                }
-            }
-        }
-    });
-}
-
-/**
- * @param {DictionaryDatabase} database
- * @param {import('dictionary-database').DictionarySet} titles
- */
-async function testFindKanjiBulk1(database, titles) {
-    test('FindKanjiBulk1', async () => {
-        /** @type {{inputs: {kanjiList: string[]}[], expectedResults: {total: number, kanji: [key: string, count: number][]}}[]} */
-        const data = [
-            {
-                inputs: [
-                    {
-                        kanjiList: ['打']
-                    }
-                ],
-                expectedResults: {
-                    total: 1,
-                    kanji: [
-                        ['打', 1]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        kanjiList: ['込']
-                    }
-                ],
-                expectedResults: {
-                    total: 1,
-                    kanji: [
-                        ['込', 1]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        kanjiList: ['?']
+            // Test findKanjiBulk
+            for (const {inputs, expectedResults} of testData.tests.findKanjiBulk) {
+                for (const {kanjiList} of inputs) {
+                    const results = await dictionaryDatabase.findKanjiBulk(kanjiList, titles);
+                    expect.soft(results.length).toStrictEqual(expectedResults.total);
+                    for (const [kanji, count] of expectedResults.kanji) {
+                        expect.soft(countKanjiWithCharacter(results, kanji)).toStrictEqual(count);
                     }
-                ],
-                expectedResults: {
-                    total: 0,
-                    kanji: []
                 }
             }
-        ];
 
-        for (const {inputs, expectedResults} of data) {
-            for (const {kanjiList} of inputs) {
-                const results = await database.findKanjiBulk(kanjiList, titles);
-                expect(results.length).toStrictEqual(expectedResults.total);
-                for (const [kanji, count] of expectedResults.kanji) {
-                    expect(countKanjiWithCharacter(results, kanji)).toStrictEqual(count);
-                }
-            }
-        }
-    });
-}
-
-/**
- * @param {DictionaryDatabase} database
- * @param {import('dictionary-database').DictionarySet} titles
- */
-async function testFindKanjiMetaBulk1(database, titles) {
-    test('FindKanjiMetaBulk1', async () => {
-        /** @type {{inputs: {kanjiList: string[]}[], expectedResults: {total: number, modes: [key: import('dictionary-database').KanjiMetaType, count: number][]}}[]} */
-        const data = [
-            {
-                inputs: [
-                    {
-                        kanjiList: ['打']
-                    }
-                ],
-                expectedResults: {
-                    total: 3,
-                    modes: [
-                        ['freq', 3]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        kanjiList: ['込']
-                    }
-                ],
-                expectedResults: {
-                    total: 3,
-                    modes: [
-                        ['freq', 3]
-                    ]
-                }
-            },
-            {
-                inputs: [
-                    {
-                        kanjiList: ['?']
+            // Test findKanjiBulk
+            for (const {inputs, expectedResults} of testData.tests.findKanjiMetaBulk) {
+                for (const {kanjiList} of inputs) {
+                    const results = await dictionaryDatabase.findKanjiMetaBulk(kanjiList, titles);
+                    expect.soft(results.length).toStrictEqual(expectedResults.total);
+                    for (const [mode, count] of expectedResults.modes) {
+                        expect.soft(countMetasWithMode(results, mode)).toStrictEqual(count);
                     }
-                ],
-                expectedResults: {
-                    total: 0,
-                    modes: []
                 }
             }
-        ];
-
-        for (const {inputs, expectedResults} of data) {
-            for (const {kanjiList} of inputs) {
-                const results = await database.findKanjiMetaBulk(kanjiList, titles);
-                expect(results.length).toStrictEqual(expectedResults.total);
-                for (const [mode, count] of expectedResults.modes) {
-                    expect(countMetasWithMode(results, mode)).toStrictEqual(count);
-                }
-            }
-        }
-    });
-}
 
-/**
- * @param {DictionaryDatabase} database
- * @param {string} title
- */
-async function testFindTagForTitle1(database, title) {
-    test('FindTagForTitle1', async () => {
-        const data = [
-            {
-                inputs: [
-                    {
-                        name: 'E1'
-                    }
-                ],
-                expectedResults: {
-                    value: {category: 'default', dictionary: title, name: 'E1', notes: 'example tag 1', order: 0, score: 0}
+            // Test findTagForTitle
+            for (const {inputs, expectedResults} of testData.tests.findTagForTitle) {
+                for (const {name} of inputs) {
+                    const result = await dictionaryDatabase.findTagForTitle(name, title);
+                    expect.soft(result).toStrictEqual(expectedResults.value);
                 }
-            },
-            {
-                inputs: [
-                    {
-                        name: 'K1'
-                    }
-                ],
-                expectedResults: {
-                    value: {category: 'default', dictionary: title, name: 'K1', notes: 'example kanji tag 1', order: 0, score: 0}
-                }
-            },
-            {
-                inputs: [
-                    {
-                        name: 'kstat1'
-                    }
-                ],
-                expectedResults: {
-                    value: {category: 'class', dictionary: title, name: 'kstat1', notes: 'kanji stat 1', order: 0, score: 0}
-                }
-            },
-            {
-                inputs: [
-                    {
-                        name: 'invalid'
-                    }
-                ],
-                expectedResults: {
-                    value: null
-                }
-            }
-        ];
-
-        for (const {inputs, expectedResults} of data) {
-            for (const {name} of inputs) {
-                const result = await database.findTagForTitle(name, title);
-                expect(result).toStrictEqual(expectedResults.value);
             }
-        }
-    });
-}
-
-
-/** */
-async function testDatabase2() {
-    test('Database2', async () => {
-        // Load dictionary data
-        const testDictionary = createTestDictionaryArchive('valid-dictionary1');
-        const testDictionarySource = await testDictionary.generateAsync({type: 'arraybuffer'});
-        /** @type {import('dictionary-data').Index} */
-        const testDictionaryIndex = parseJson(await testDictionary.files['index.json'].async('string'));
-
-        const title = testDictionaryIndex.title;
-        const titles = new Map([
-            [title, {priority: 0, allowSecondarySearches: false}]
-        ]);
-
-        // Setup database
-        const dictionaryDatabase = new DictionaryDatabase();
-        /** @type {import('dictionary-importer').ImportDetails} */
-        const detaultImportDetails = {prefixWildcardsSupported: false};
-
-        // Database not open
-        await expect(dictionaryDatabase.deleteDictionary(title, 1000, () => {})).rejects.toThrow('Database not open');
-        await expect(dictionaryDatabase.findTermsBulk(['?'], titles, 'exact')).rejects.toThrow('Database not open');
-        await expect(dictionaryDatabase.findTermsExactBulk([{term: '?', reading: '?'}], titles)).rejects.toThrow('Database not open');
-        await expect(dictionaryDatabase.findTermsBySequenceBulk([{query: 1, dictionary: title}])).rejects.toThrow('Database not open');
-        await expect(dictionaryDatabase.findTermMetaBulk(['?'], titles)).rejects.toThrow('Database not open');
-        await expect(dictionaryDatabase.findTermMetaBulk(['?'], titles)).rejects.toThrow('Database not open');
-        await expect(dictionaryDatabase.findKanjiBulk(['?'], titles)).rejects.toThrow('Database not open');
-        await expect(dictionaryDatabase.findKanjiMetaBulk(['?'], titles)).rejects.toThrow('Database not open');
-        await expect(dictionaryDatabase.findTagForTitle('tag', title)).rejects.toThrow('Database not open');
-        await expect(dictionaryDatabase.getDictionaryInfo()).rejects.toThrow('Database not open');
-        await expect(dictionaryDatabase.getDictionaryCounts([...titles.keys()], true)).rejects.toThrow('Database not open');
-        await expect(createDictionaryImporter().importDictionary(dictionaryDatabase, testDictionarySource, detaultImportDetails)).rejects.toThrow('Database is not ready');
-
-        await dictionaryDatabase.prepare();
-
-        // already prepared
-        await expect(dictionaryDatabase.prepare()).rejects.toThrow('Database already open');
-
-        await createDictionaryImporter().importDictionary(dictionaryDatabase, testDictionarySource, detaultImportDetails);
 
-        // dictionary already imported
-        await expect(createDictionaryImporter().importDictionary(dictionaryDatabase, testDictionarySource, detaultImportDetails)).rejects.toThrow('Dictionary is already imported');
-
-        await dictionaryDatabase.close();
+            // Close
+            await dictionaryDatabase.close();
+        });
     });
-}
-
+    describe('Database cleanup', () => {
+        /** @type {{clearMethod: 'purge'|'delete'}[]} */
+        const cleanupTestCases = [
+            {clearMethod: 'purge'},
+            {clearMethod: 'delete'}
+        ];
+        describe.each(cleanupTestCases)('Testing cleanup method $clearMethod', ({clearMethod}) => {
+            test('Import data and test', async ({expect}) => {
+                // Load dictionary data
+                const testDictionary = createTestDictionaryArchive('valid-dictionary1');
+                const testDictionarySource = await testDictionary.generateAsync({type: 'arraybuffer'});
+                /** @type {import('dictionary-data').Index} */
+                const testDictionaryIndex = parseJson(await testDictionary.files['index.json'].async('string'));
 
-/** */
-async function testDatabase3() {
-    const invalidDictionaries = [
-        'invalid-dictionary1',
-        'invalid-dictionary2',
-        'invalid-dictionary3',
-        'invalid-dictionary4',
-        'invalid-dictionary5',
-        'invalid-dictionary6'
-    ];
-
-
-    describe('Database3', () => {
-        for (const invalidDictionary of invalidDictionaries) {
-            test(`${invalidDictionary}`, async () => {
                 // Setup database
                 const dictionaryDatabase = new DictionaryDatabase();
-                /** @type {import('dictionary-importer').ImportDetails} */
-                const detaultImportDetails = {prefixWildcardsSupported: false};
                 await dictionaryDatabase.prepare();
 
-                const testDictionary = createTestDictionaryArchive(invalidDictionary);
-                const testDictionarySource = await testDictionary.generateAsync({type: 'arraybuffer'});
+                // Import data
+                const dictionaryImporter = createDictionaryImporter(expect);
+                await dictionaryImporter.importDictionary(dictionaryDatabase, testDictionarySource, {prefixWildcardsSupported: true});
+
+                // Clear
+                switch (clearMethod) {
+                    case 'purge':
+                        await dictionaryDatabase.purge();
+                        break;
+                    case 'delete':
+                        {
+                            let progressEvent2 = false;
+                            await dictionaryDatabase.deleteDictionary(
+                                testDictionaryIndex.title,
+                                1000,
+                                () => { progressEvent2 = true; }
+                            );
+                            expect(progressEvent2).toBe(true);
+                        }
+                        break;
+                }
 
-                await expect(createDictionaryImporter().importDictionary(dictionaryDatabase, testDictionarySource, detaultImportDetails)).rejects.toThrow('Dictionary has invalid data');
-                await dictionaryDatabase.close();
-            });
-        }
-    });
-}
+                // Test empty
+                const info = await dictionaryDatabase.getDictionaryInfo();
+                expect.soft(info).toStrictEqual([]);
 
+                const counts = await dictionaryDatabase.getDictionaryCounts([], true);
+                /** @type {import('dictionary-database').DictionaryCounts} */
+                const countsExpected = {
+                    counts: [],
+                    total: {kanji: 0, kanjiMeta: 0, terms: 0, termMeta: 0, tagMeta: 0, media: 0}
+                };
+                expect.soft(counts).toStrictEqual(countsExpected);
 
-/** */
-async function main() {
-    beforeEach(async () => {
-        globalThis.indexedDB = new IDBFactory();
+                // Close
+                await dictionaryDatabase.close();
+            });
+        });
     });
-    await testDatabase1();
-    await testDatabase2();
-    await testDatabase3();
-}
-
-await main();
+});