Merge pull request #406 from toasted-nutbread/object-property-accessor

Object property accessor

1 files changed, 289 insertions, 0 deletions

diff --git a/test/test-object-property-accessor.js b/test/test-object-property-accessor.js
new file mode 100644
index 00000000..47d2e451
--- /dev/null
+++ b/test/test-object-property-accessor.js
@@ -0,0 +1,289 @@
+/*
+ * Copyright (C) 2020  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+const assert = require('assert');
+const {VM} = require('./yomichan-vm');
+
+const vm = new VM({});
+vm.execute('mixed/js/object-property-accessor.js');
+const ObjectPropertyAccessor = vm.get('ObjectPropertyAccessor');
+
+
+function createTestObject() {
+    return {
+        0: null,
+        value1: {
+            value2: {},
+            value3: [],
+            value4: null
+        },
+        value5: [
+            {},
+            [],
+            null
+        ]
+    };
+}
+
+
+function testGetProperty1() {
+    const object = createTestObject();
+    const accessor = new ObjectPropertyAccessor(object);
+
+    const data = [
+        [[], object],
+        [['0'], object['0']],
+        [['value1'], object.value1],
+        [['value1', 'value2'], object.value1.value2],
+        [['value1', 'value3'], object.value1.value3],
+        [['value1', 'value4'], object.value1.value4],
+        [['value5'], object.value5],
+        [['value5', 0], object.value5[0]],
+        [['value5', 1], object.value5[1]],
+        [['value5', 2], object.value5[2]]
+    ];
+
+    for (const [pathArray, expected] of data) {
+        assert.strictEqual(accessor.getProperty(pathArray), expected);
+    }
+}
+
+function testGetProperty2() {
+    const object = createTestObject();
+    const accessor = new ObjectPropertyAccessor(object);
+
+    const data = [
+        [[0], 'Invalid path: [0]'],
+        [['0', 'invalid'], 'Invalid path: ["0"].invalid'],
+        [['invalid'], 'Invalid path: invalid'],
+        [['value1', 'invalid'], 'Invalid path: value1.invalid'],
+        [['value1', 'value2', 'invalid'], 'Invalid path: value1.value2.invalid'],
+        [['value1', 'value2', 0], 'Invalid path: value1.value2[0]'],
+        [['value1', 'value3', 'invalid'], 'Invalid path: value1.value3.invalid'],
+        [['value1', 'value3', 0], 'Invalid path: value1.value3[0]'],
+        [['value1', 'value4', 'invalid'], 'Invalid path: value1.value4.invalid'],
+        [['value1', 'value4', 0], 'Invalid path: value1.value4[0]'],
+        [['value5', 'length'], 'Invalid path: value5.length'],
+        [['value5', 0, 'invalid'], 'Invalid path: value5[0].invalid'],
+        [['value5', 0, 0], 'Invalid path: value5[0][0]'],
+        [['value5', 1, 'invalid'], 'Invalid path: value5[1].invalid'],
+        [['value5', 1, 0], 'Invalid path: value5[1][0]'],
+        [['value5', 2, 'invalid'], 'Invalid path: value5[2].invalid'],
+        [['value5', 2, 0], 'Invalid path: value5[2][0]'],
+        [['value5', 2, 0, 'invalid'], 'Invalid path: value5[2][0]'],
+        [['value5', 2.5], 'Invalid index']
+    ];
+
+    for (const [pathArray, message] of data) {
+        assert.throws(() => accessor.getProperty(pathArray), {message});
+    }
+}
+
+
+function testSetProperty1() {
+    const object = createTestObject();
+    const accessor = new ObjectPropertyAccessor(object);
+
+    const testValue = {};
+    const data = [
+        ['0'],
+        ['value1', 'value2'],
+        ['value1', 'value3'],
+        ['value1', 'value4'],
+        ['value1'],
+        ['value5', 0],
+        ['value5', 1],
+        ['value5', 2],
+        ['value5']
+    ];
+
+    for (const pathArray of data) {
+        accessor.setProperty(pathArray, testValue);
+        assert.strictEqual(accessor.getProperty(pathArray), testValue);
+    }
+}
+
+function testSetProperty2() {
+    const object = createTestObject();
+    const accessor = new ObjectPropertyAccessor(object);
+
+    const testValue = {};
+    const data = [
+        [[0], 'Invalid path: [0]'],
+        [['0', 'invalid'], 'Invalid path: ["0"].invalid'],
+        [['value1', 'value2', 0], 'Invalid path: value1.value2[0]'],
+        [['value1', 'value3', 'invalid'], 'Invalid path: value1.value3.invalid'],
+        [['value1', 'value4', 'invalid'], 'Invalid path: value1.value4.invalid'],
+        [['value1', 'value4', 0], 'Invalid path: value1.value4[0]'],
+        [['value5', 1, 'invalid'], 'Invalid path: value5[1].invalid'],
+        [['value5', 2, 'invalid'], 'Invalid path: value5[2].invalid'],
+        [['value5', 2, 0], 'Invalid path: value5[2][0]'],
+        [['value5', 2, 0, 'invalid'], 'Invalid path: value5[2][0]'],
+        [['value5', 2.5], 'Invalid index']
+    ];
+
+    for (const [pathArray, message] of data) {
+        assert.throws(() => accessor.setProperty(pathArray, testValue), {message});
+    }
+}
+
+
+function testGetPathString1() {
+    const data = [
+        [[], ''],
+        [[0], '[0]'],
+        [['escape\\'], '["escape\\\\"]'],
+        [['\'quote\''], '["\'quote\'"]'],
+        [['"quote"'], '["\\"quote\\""]'],
+        [['part1', 'part2'], 'part1.part2'],
+        [['part1', 'part2', 3], 'part1.part2[3]'],
+        [['part1', 'part2', '3'], 'part1.part2["3"]'],
+        [['part1', 'part2', '3part'], 'part1.part2["3part"]'],
+        [['part1', 'part2', '3part', 'part4'], 'part1.part2["3part"].part4'],
+        [['part1', 'part2', '3part', '4part'], 'part1.part2["3part"]["4part"]']
+    ];
+
+    for (const [pathArray, expected] of data) {
+        assert.strictEqual(ObjectPropertyAccessor.getPathString(pathArray), expected);
+    }
+}
+
+function testGetPathString2() {
+    const data = [
+        [[1.5], 'Invalid index'],
+        [[null], 'Invalid type: object']
+    ];
+
+    for (const [pathArray, message] of data) {
+        assert.throws(() => ObjectPropertyAccessor.getPathString(pathArray), {message});
+    }
+}
+
+
+function testGetPathArray1() {
+    const data = [
+        ['', []],
+        ['[0]', [0]],
+        ['["escape\\\\"]', ['escape\\']],
+        ['["\'quote\'"]', ['\'quote\'']],
+        ['["\\"quote\\""]', ['"quote"']],
+        ['part1.part2', ['part1', 'part2']],
+        ['part1.part2[3]', ['part1', 'part2', 3]],
+        ['part1.part2["3"]', ['part1', 'part2', '3']],
+        ['part1.part2[\'3\']', ['part1', 'part2', '3']],
+        ['part1.part2["3part"]', ['part1', 'part2', '3part']],
+        ['part1.part2[\'3part\']', ['part1', 'part2', '3part']],
+        ['part1.part2["3part"].part4', ['part1', 'part2', '3part', 'part4']],
+        ['part1.part2[\'3part\'].part4', ['part1', 'part2', '3part', 'part4']],
+        ['part1.part2["3part"]["4part"]', ['part1', 'part2', '3part', '4part']],
+        ['part1.part2[\'3part\'][\'4part\']', ['part1', 'part2', '3part', '4part']]
+    ];
+
+    for (const [pathString, expected] of data) {
+        vm.assert.deepStrictEqual(ObjectPropertyAccessor.getPathArray(pathString), expected);
+    }
+}
+
+function testGetPathArray2() {
+    const data = [
+        ['?', 'Unexpected character: ?'],
+        ['.', 'Unexpected character: .'],
+        ['0', 'Unexpected character: 0'],
+        ['part1.[0]', 'Unexpected character: ['],
+        ['part1?', 'Unexpected character: ?'],
+        ['[part1]', 'Unexpected character: p'],
+        ['[0a]', 'Unexpected character: a'],
+        ['["part1"x]', 'Unexpected character: x'],
+        ['[\'part1\'x]', 'Unexpected character: x'],
+        ['["part1"]x', 'Unexpected character: x'],
+        ['[\'part1\']x', 'Unexpected character: x'],
+        ['part1..part2', 'Unexpected character: .'],
+
+        ['[', 'Path not terminated correctly'],
+        ['part1.', 'Path not terminated correctly'],
+        ['part1[', 'Path not terminated correctly'],
+        ['part1["', 'Path not terminated correctly'],
+        ['part1[\'', 'Path not terminated correctly'],
+        ['part1[""', 'Path not terminated correctly'],
+        ['part1[\'\'', 'Path not terminated correctly'],
+        ['part1[0', 'Path not terminated correctly'],
+        ['part1[0].', 'Path not terminated correctly']
+    ];
+
+    for (const [pathString, message] of data) {
+        assert.throws(() => ObjectPropertyAccessor.getPathArray(pathString), {message});
+    }
+}
+
+
+function testHasProperty() {
+    const data = [
+        [{}, 'invalid', false],
+        [{}, 0, false],
+        [{valid: 0}, 'valid', true],
+        [{null: 0}, null, false],
+        [[], 'invalid', false],
+        [[], 0, false],
+        [[0], 0, true],
+        [[0], null, false],
+        ['string', 0, false],
+        ['string', 'length', false],
+        ['string', null, false]
+    ];
+
+    for (const [object, property, expected] of data) {
+        assert.strictEqual(ObjectPropertyAccessor.hasProperty(object, property), expected);
+    }
+}
+
+function testIsValidPropertyType() {
+    const data = [
+        [{}, 'invalid', true],
+        [{}, 0, false],
+        [{valid: 0}, 'valid', true],
+        [{null: 0}, null, false],
+        [[], 'invalid', false],
+        [[], 0, true],
+        [[0], 0, true],
+        [[0], null, false],
+        ['string', 0, false],
+        ['string', 'length', false],
+        ['string', null, false]
+    ];
+
+    for (const [object, property, expected] of data) {
+        assert.strictEqual(ObjectPropertyAccessor.isValidPropertyType(object, property), expected);
+    }
+}
+
+
+function main() {
+    testGetProperty1();
+    testGetProperty2();
+    testSetProperty1();
+    testSetProperty2();
+    testGetPathString1();
+    testGetPathString2();
+    testGetPathArray1();
+    testGetPathArray2();
+    testHasProperty();
+    testIsValidPropertyType();
+}
+
+
+if (require.main === module) { main(); }