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| 1 | +// Flags: --expose-internals --no-warnings |
| 2 | + |
| 3 | +import '../common/index.mjs'; |
| 4 | +import { describe, it, beforeEach } from 'node:test'; |
| 5 | +import assert from 'node:assert'; |
| 6 | +import { finished } from 'node:stream/promises'; |
| 7 | +import { DefaultSerializer } from 'node:v8'; |
| 8 | +import serializer from 'internal/test_runner/reporter/v8-serializer'; |
| 9 | +import runner from 'internal/test_runner/runner'; |
| 10 | + |
| 11 | +async function toArray(chunks) { |
| 12 | + const arr = []; |
| 13 | + for await (const i of chunks) arr.push(i); |
| 14 | + return arr; |
| 15 | +} |
| 16 | + |
| 17 | +const chunks = await toArray(serializer([ |
| 18 | + { type: 'test:diagnostic', data: { nesting: 0, details: {}, message: 'diagnostic' } }, |
| 19 | +])); |
| 20 | +const defaultSerializer = new DefaultSerializer(); |
| 21 | +defaultSerializer.writeHeader(); |
| 22 | +const headerLength = defaultSerializer.releaseBuffer().length; |
| 23 | + |
| 24 | +describe('v8 deserializer', () => { |
| 25 | + let fileTest; |
| 26 | + let reported; |
| 27 | + beforeEach(() => { |
| 28 | + reported = []; |
| 29 | + fileTest = new runner.FileTest({ name: 'filetest' }); |
| 30 | + fileTest.reporter.on('data', (data) => reported.push(data)); |
| 31 | + assert(fileTest.isClearToSend()); |
| 32 | + }); |
| 33 | + |
| 34 | + async function collectReported(chunks) { |
| 35 | + chunks.forEach((chunk) => fileTest.parseMessage(chunk)); |
| 36 | + fileTest.drain(); |
| 37 | + fileTest.reporter.end(); |
| 38 | + await finished(fileTest.reporter); |
| 39 | + return reported; |
| 40 | + } |
| 41 | + |
| 42 | + it('should do nothing when no chunks', async () => { |
| 43 | + const reported = await collectReported([]); |
| 44 | + assert.deepStrictEqual(reported, []); |
| 45 | + }); |
| 46 | + |
| 47 | + it('should deserialize a chunk with no serialization', async () => { |
| 48 | + const reported = await collectReported([Buffer.from('unknown')]); |
| 49 | + assert.deepStrictEqual(reported, [ |
| 50 | + { data: { __proto__: null, file: 'filetest', message: 'unknown' }, type: 'test:stdout' }, |
| 51 | + ]); |
| 52 | + }); |
| 53 | + |
| 54 | + it('should deserialize a serialized chunk', async () => { |
| 55 | + const reported = await collectReported(chunks); |
| 56 | + assert.deepStrictEqual(reported, [ |
| 57 | + { data: { nesting: 0, details: {}, message: 'diagnostic' }, type: 'test:diagnostic' }, |
| 58 | + ]); |
| 59 | + }); |
| 60 | + |
| 61 | + it('should deserialize a serialized chunk after non-serialized chunk', async () => { |
| 62 | + const reported = await collectReported([Buffer.concat([Buffer.from('unknown'), ...chunks])]); |
| 63 | + assert.deepStrictEqual(reported, [ |
| 64 | + { data: { __proto__: null, file: 'filetest', message: 'unknown' }, type: 'test:stdout' }, |
| 65 | + { data: { nesting: 0, details: {}, message: 'diagnostic' }, type: 'test:diagnostic' }, |
| 66 | + ]); |
| 67 | + }); |
| 68 | + |
| 69 | + it('should deserialize a serialized chunk before non-serialized output', async () => { |
| 70 | + const reported = await collectReported([Buffer.concat([ ...chunks, Buffer.from('unknown')])]); |
| 71 | + assert.deepStrictEqual(reported, [ |
| 72 | + { data: { nesting: 0, details: {}, message: 'diagnostic' }, type: 'test:diagnostic' }, |
| 73 | + { data: { __proto__: null, file: 'filetest', message: 'unknown' }, type: 'test:stdout' }, |
| 74 | + ]); |
| 75 | + }); |
| 76 | + |
| 77 | + const headerPosition = headerLength * 2 + 4; |
| 78 | + for (let i = 0; i < headerPosition + 5; i++) { |
| 79 | + const message = `should deserialize a serialized message split into two chunks {...${i},${i + 1}...}`; |
| 80 | + it(message, async () => { |
| 81 | + const data = chunks[0]; |
| 82 | + const reported = await collectReported([data.subarray(0, i), data.subarray(i)]); |
| 83 | + assert.deepStrictEqual(reported, [ |
| 84 | + { data: { nesting: 0, details: {}, message: 'diagnostic' }, type: 'test:diagnostic' }, |
| 85 | + ]); |
| 86 | + }); |
| 87 | + |
| 88 | + it(`${message} wrapped by non-serialized data`, async () => { |
| 89 | + const data = chunks[0]; |
| 90 | + const reported = await collectReported([ |
| 91 | + Buffer.concat([Buffer.from('unknown'), data.subarray(0, i)]), |
| 92 | + Buffer.concat([data.subarray(i), Buffer.from('unknown')]), |
| 93 | + ]); |
| 94 | + assert.deepStrictEqual(reported, [ |
| 95 | + { data: { __proto__: null, file: 'filetest', message: 'unknown' }, type: 'test:stdout' }, |
| 96 | + { data: { nesting: 0, details: {}, message: 'diagnostic' }, type: 'test:diagnostic' }, |
| 97 | + { data: { __proto__: null, file: 'filetest', message: 'unknown' }, type: 'test:stdout' }, |
| 98 | + ]); |
| 99 | + } |
| 100 | + ); |
| 101 | + } |
| 102 | + |
| 103 | +}); |
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