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Test component fixture token palette restoration #335696

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Merged
Henning Dieterichs (hediet) merged 1 commit into from
Sep 11, 2026
+35 −29
Merged

Test component fixture token palette restoration #335696

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64 changes: 35 additions & 29 deletions src/vs/workbench/test/browser/componentFixtures/fixtureSyntaxHighlighting.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ import { Color } from '../../../../base/common/color.js';
import { DisposableStore, toDisposable } from '../../../../base/common/lifecycle.js';
import { URI } from '../../../../base/common/uri.js';
import { ensureNoDisposablesAreLeakedInTestSuite } from '../../../../base/test/common/utils.js';
import { TokenMetadata } from '../../../../editor/common/encodedTokenAttributes.js';
import { ColorId, TokenMetadata } from '../../../../editor/common/encodedTokenAttributes.js';
import { TokenizationRegistry } from '../../../../editor/common/languages.js';
import { LanguageService } from '../../../../editor/common/services/languageService.js';
import { IExtensionResourceLoaderService } from '../../../../platform/extensionResourceLoader/common/extensionResourceLoader.js';
Expand Down Expand Up @@ -181,34 +181,40 @@ suite('Component fixture TextMate syntax highlighting', () => {

test('retains shared tokenizers until the final fixture is disposed', async () => {
const previousColorMap = TokenizationRegistry.getColorMap();
const first = await createTokenizers();
const second = await createTokenizers();
const support = TokenizationRegistry.get('typescript');
first.store.dispose();

assert.deepStrictEqual({
retainedAfterFirstDispose: TokenizationRegistry.get('typescript') === support,
secondUsesCanonicalDarkCSS: second.host.querySelector('style')?.textContent?.includes('#ff7b72'),
}, {
retainedAfterFirstDispose: true,
secondUsesCanonicalDarkCSS: true,
});

second.store.dispose();
const finalColorMap = TokenizationRegistry.getColorMap();
const defaultBackground = TokenizationRegistry.getDefaultBackground();
assert.deepStrictEqual({
tokenizerRemoved: TokenizationRegistry.get('typescript') === null,
previousColorMapRestored: previousColorMap === null || (
finalColorMap?.length === previousColorMap.length
&& previousColorMap.every((color, index) => finalColorMap[index] === color)
),
defaultBackgroundLuminance: typeof defaultBackground?.getRelativeLuminance() === 'number',
}, {
tokenizerRemoved: true,
previousColorMapRestored: true,
defaultBackgroundLuminance: true,
});
assert.ok(previousColorMap);
const sentinelColorMap = [...previousColorMap];
sentinelColorMap[ColorId.DefaultForeground] = Color.fromHex('#010203');
TokenizationRegistry.setColorMap(sentinelColorMap);
try {
const first = await createTokenizers();
const second = await createTokenizers();
const support = TokenizationRegistry.get('typescript');
first.store.dispose();

assert.deepStrictEqual({
retainedAfterFirstDispose: TokenizationRegistry.get('typescript') === support,
secondUsesCanonicalDarkCSS: second.host.querySelector('style')?.textContent?.includes('#ff7b72'),
}, {
retainedAfterFirstDispose: true,
secondUsesCanonicalDarkCSS: true,
});

second.store.dispose();
const finalColorMap = TokenizationRegistry.getColorMap();
const defaultBackground = TokenizationRegistry.getDefaultBackground();
assert.deepStrictEqual({
tokenizerRemoved: TokenizationRegistry.get('typescript') === null,
sentinelColorMapRestored: finalColorMap?.length === sentinelColorMap.length
&& sentinelColorMap.every((color, index) => finalColorMap[index] === color),
defaultBackgroundLuminance: typeof defaultBackground?.getRelativeLuminance() === 'number',
}, {
tokenizerRemoved: true,
sentinelColorMapRestored: true,
defaultBackgroundLuminance: true,
});
} finally {
TokenizationRegistry.setColorMap([...previousColorMap]);
}
});
});

Expand Down