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colorizer.test.ts
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colorizer.test.ts
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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as assert from 'assert';
import * as fs from 'fs';
import 'mocha';
import { join, normalize } from 'path';
import { commands, Uri } from 'vscode';
function assertUnchangedTokens(fixturesPath: string, resultsPath: string, fixture: string, done: any) {
const testFixurePath = join(fixturesPath, fixture);
return commands.executeCommand('_workbench.captureSyntaxTokens', Uri.file(testFixurePath)).then(data => {
try {
if (!fs.existsSync(resultsPath)) {
fs.mkdirSync(resultsPath);
}
const resultPath = join(resultsPath, fixture.replace('.', '_') + '.json');
if (fs.existsSync(resultPath)) {
const previousData = JSON.parse(fs.readFileSync(resultPath).toString());
try {
assert.deepStrictEqual(data, previousData);
} catch (e) {
fs.writeFileSync(resultPath, JSON.stringify(data, null, '\t'), { flag: 'w' });
if (Array.isArray(data) && Array.isArray(previousData) && data.length === previousData.length) {
for (let i = 0; i < data.length; i++) {
const d = data[i];
const p = previousData[i];
if (d.c !== p.c || hasThemeChange(d.r, p.r)) {
throw e;
}
}
// different but no tokenization ot color change: no failure
} else {
throw e;
}
}
} else {
fs.writeFileSync(resultPath, JSON.stringify(data, null, '\t'));
}
done();
} catch (e) {
done(e);
}
}, done);
}
function hasThemeChange(d: any, p: any): boolean {
const keys = Object.keys(d);
for (const key of keys) {
if (d[key] !== p[key]) {
return true;
}
}
return false;
}
suite('colorization', () => {
const testPath = normalize(join(__dirname, '../test'));
const fixturesPath = join(testPath, 'colorize-fixtures');
const resultsPath = join(testPath, 'colorize-results');
for (const fixture of fs.readdirSync(fixturesPath)) {
test(`colorize: ${fixture}`, function (done) {
commands.executeCommand('workbench.action.closeAllEditors').then(() => {
assertUnchangedTokens(fixturesPath, resultsPath, fixture, done);
});
});
}
});