From 468c121f66dc94b916d853acaefbe0376bbc851f Mon Sep 17 00:00:00 2001
From: StefanVukovic99 <stefanvukovic44@gmail.com>
Date: Thu, 18 Apr 2024 21:04:57 +0200
Subject: abstract deinflection tests (#784)

* abstract deinflection tests

* add a couple of phrasal verb tests

* fix past simple phrasal verb deinflection
---
 test/fixtures/language-transformer-test.js | 81 ++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 test/fixtures/language-transformer-test.js

(limited to 'test/fixtures/language-transformer-test.js')

diff --git a/test/fixtures/language-transformer-test.js b/test/fixtures/language-transformer-test.js
new file mode 100644
index 00000000..1701b4f9
--- /dev/null
+++ b/test/fixtures/language-transformer-test.js
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2023-2024  Yomitan Authors
+ * Copyright (C) 2020-2022  Yomichan Authors
+ *
+ * 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/>.
+ */
+
+import {describe, expect, test} from 'vitest';
+import {LanguageTransformer} from '../../ext/js/language/language-transformer.js';
+
+/**
+ * @param {LanguageTransformer} languageTransformer
+ * @param {string} source
+ * @param {string} expectedTerm
+ * @param {string|null} expectedConditionName
+ * @param {string[]|null} expectedReasons
+ * @returns {{has: false, reasons: null, rules: null}|{has: true, reasons: string[], rules: number}}
+ */
+function hasTermReasons(languageTransformer, source, expectedTerm, expectedConditionName, expectedReasons) {
+    for (const {text, conditions, trace} of languageTransformer.transform(source)) {
+        if (text !== expectedTerm) { continue; }
+        if (expectedConditionName !== null) {
+            const expectedConditions = languageTransformer.getConditionFlagsFromConditionType(expectedConditionName);
+            if (!LanguageTransformer.conditionsMatch(conditions, expectedConditions)) { continue; }
+        }
+        let okay = true;
+        if (expectedReasons !== null) {
+            if (trace.length !== expectedReasons.length) { continue; }
+            for (let i = 0, ii = expectedReasons.length; i < ii; ++i) {
+                if (expectedReasons[i] !== trace[i].transform) {
+                    okay = false;
+                    break;
+                }
+            }
+        }
+        if (okay) {
+            return {
+                has: true,
+                reasons: trace.map((frame) => frame.transform),
+                rules: conditions
+            };
+        }
+    }
+    return {has: false, reasons: null, rules: null};
+}
+
+/**
+ * @param {LanguageTransformer} languageTransformer
+ * @param {import('test/language-transformer-test').LanguageTransformerTestCategory[]} data
+ */
+export function testLanguageTransformer(languageTransformer, data) {
+    describe('deinflections', () => {
+        describe.each(data)('$category', ({valid, tests}) => {
+            for (const {source, term, rule, reasons} of tests) {
+                const {has} = hasTermReasons(languageTransformer, source, term, rule, reasons);
+                let message = `${source} ${valid ? 'has' : 'does not have'} term candidate ${JSON.stringify(term)}`;
+                if (rule !== null) {
+                    message += ` with rule ${JSON.stringify(rule)}`;
+                }
+                if (reasons !== null) {
+                    message += (typeof rule !== 'undefined' ? ' and' : ' with');
+                    message += ` reasons ${JSON.stringify(reasons)}`;
+                }
+                test(`${message}`, () => {
+                    expect(has).toStrictEqual(valid);
+                });
+            }
+        });
+    });
+}
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