33 lines
1.2 KiB
TypeScript
33 lines
1.2 KiB
TypeScript
import {sync} from 'glob';
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import {resolve, basename} from 'path';
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import {existsSync, promises} from 'fs';
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import {toMatchImageSnapshot} from 'jest-image-snapshot';
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const resultsDir = resolve(__dirname, '../results');
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const customSnapshotsDir = resolve(__dirname, '../tmp/snapshots');
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const customDiffDir = resolve(__dirname, '../tmp/snapshot-diffs');
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expect.extend({toMatchImageSnapshot});
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describe('Image diff', () => {
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const files: string[] = sync('../tmp/reftests/**/*.png', {
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cwd: __dirname,
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root: resolve(__dirname, '../../')
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}).filter((path) => existsSync(resolve(resultsDir, basename(path))));
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it.each(files.map((path) => basename(path)))('%s', async (filename) => {
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const previous = resolve(resultsDir, filename);
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const previousSnap = resolve(customSnapshotsDir, `${filename}-snap.png`);
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await promises.copyFile(previous, previousSnap);
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const updated = resolve(__dirname, '../tmp/reftests/', filename);
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const buffer = await promises.readFile(updated);
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// @ts-ignore
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expect(buffer).toMatchImageSnapshot({
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customSnapshotsDir,
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customSnapshotIdentifier: () => filename,
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customDiffDir
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});
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});
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});
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