Vito
e86c0dcf05
Every raw browser coverage file repeated the full source of each mapped script, about 84% of its bytes, and the frontend coverage merge ran out of Node's heap at 1,884 files. c8 reads the source from the mapped file on disk, so the entries keep only the URL, script id and functions.
50 lines
2.9 KiB
JavaScript
50 lines
2.9 KiB
JavaScript
import test from 'node:test';
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import assert from 'node:assert/strict';
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import { mkdtempSync, readFileSync, readdirSync, rmSync } from 'node:fs';
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import { join } from 'node:path';
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import { tmpdir } from 'node:os';
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import { fileURLToPath } from 'node:url';
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import { saveCoverage } from '../../tools/vendor/browser-coverage.mjs';
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test('browser coverage maps nested JS/MJS and excludes unrelated and traversal paths', async t => {
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const directory = mkdtempSync(join(tmpdir(), 'pm-browser-coverage-'));
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const previous = process.env.PM_JS_COVERAGE;
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process.env.PM_JS_COVERAGE = directory;
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t.after(() => {
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if (previous === undefined) delete process.env.PM_JS_COVERAGE;
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else process.env.PM_JS_COVERAGE = previous;
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rmSync(directory, { recursive: true, force: true });
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});
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const urls = [
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'/prompt_manager/js/gallery.js',
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'/prompt_manager/js/shared/controls/button.mjs?v=1',
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'/prompt_manager/js/shared/panel.js',
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'/scripts/app.js', '/prompt_manager/js/../private.js',
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'/prompt_manager/js/shared/theme.css',
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];
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await saveCoverage({ coverage: { stopJSCoverage: async () => urls.map(url => ({ url: `http://127.0.0.1:8765${url}`, functions: [] })) } }, 'chromium');
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const report = JSON.parse(readFileSync(join(directory, readdirSync(directory)[0]), 'utf8'));
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const root = fileURLToPath(new URL('../../web/js/', import.meta.url));
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assert.deepEqual(report.result.map(entry => fileURLToPath(entry.url)), [join(root, 'gallery.js'), join(root, 'shared/controls/button.mjs'), join(root, 'shared/panel.js')]);
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});
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// #432: every raw file repeated each script's full source (about 84% of its bytes) and the coverage merge ran out of
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// memory. c8 reads the source from the mapped file on disk, so the entries keep only the URL, id and functions.
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test('browser coverage writes no script source, only what c8 maps', async t => {
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const directory = mkdtempSync(join(tmpdir(), 'pm-browser-coverage-'));
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const previous = process.env.PM_JS_COVERAGE;
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process.env.PM_JS_COVERAGE = directory;
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t.after(() => {
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if (previous === undefined) delete process.env.PM_JS_COVERAGE;
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else process.env.PM_JS_COVERAGE = previous;
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rmSync(directory, { recursive: true, force: true });
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});
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const functions = [{ functionName: 'f', isBlockCoverage: true, ranges: [{ startOffset: 0, endOffset: 9, count: 1 }] }];
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await saveCoverage({ coverage: { stopJSCoverage: async () => [{ url: 'http://127.0.0.1:8765/prompt_manager/js/gallery.js',
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scriptId: '7', source: 'x'.repeat(100_000), functions }] } }, 'chromium');
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const report = JSON.parse(readFileSync(join(directory, readdirSync(directory)[0]), 'utf8'));
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assert.equal(report.result.length, 1);
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assert.deepEqual(Object.keys(report.result[0]).sort(), ['functions', 'scriptId', 'url']);
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assert.deepEqual(report.result[0].functions, functions);
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});
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