René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"parallel/test-runner-coverage is flaky","articleBody":"### Test\r\n\r\ntest-runner-coverage\r\n\r\n### Platform\r\n\r\nWindows ARM64\r\n\r\n### Console output\r\n\r\n```console\r\n---\r\nduration_ms: 22940.912\r\nexitcode: 1\r\nseverity: fail\r\nstack: \"\\u25B6 test coverage report\\n  \\u2714 handles the inspector not being available\\\r\n  \\ (2.0866ms)\\n\\u2714 test coverage report (3.7218ms)\\n\\u25B6 test tap coverage reporter\\n\\\r\n  \\  \\u2714 coverage is reported and dumped to NODE_V8_COVERAGE if present (577.1212ms)\\n\\\r\n  \\  \\u2714 coverage is reported without NODE_V8_COVERAGE present (851.508ms)\\n\\u2714\\\r\n  \\ test tap coverage reporter (1429.2218ms)\\n\\u25B6 test spec coverage reporter\\n\\\r\n  \\  \\u2714 coverage is reported and dumped to NODE_V8_COVERAGE if present (1419.2938ms)\\n\\\r\n  \\  \\u2716 coverage is reported without NODE_V8_COVERAGE present (1175.4346ms)\\n\\\r\n  \\    AssertionError [ERR_ASSERTION]: The expression evaluated to a falsy value:\\n\\\r\n  \\n      assert(!findCoverageFileForPid(result.pid))\\n\\n        at TestContext.\u003canonymous>\\\r\n  \\ (d:\\\\workspace\\\\node-test-binary-windows-js-suites\\\\node\\\\test\\\\parallel\\\\test-runner-coverage.js:147:5)\\n\\\r\n  \\        at Test.runInAsyncScope (node:async_hooks:211:14)\\n        at Test.run\\\r\n  \\ (node:internal/test_runner/test:930:25)\\n        at Test.start (node:internal/test_runner/test:829:17)\\n\\\r\n  \\        at TestContext.test (node:internal/test_runner/test:313:20)\\n        at\\\r\n  \\ TestContext.\u003canonymous> (d:\\\\workspace\\\\node-test-binary-windows-js-suites\\\\node\\\\\\\r\n  test\\\\parallel\\\\test-runner-coverage.js:138:11)\\n        at async Test.run (node:internal/test_runner/test:931:9)\\n\\\r\n  \\        at async Test.processPendingSubtests (node:internal/test_runner/test:629:7)\\\r\n  \\ {\\n      generatedMessage: true,\\n      code: 'ERR_ASSERTION',\\n      actual:\\\r\n  \\ false,\\n      expected: true,\\n      operator: '=='\\n    }\\n\\n\\u2716 test spec\\\r\n  \\ coverage reporter (2595.3945ms)\\n\\u2714 single process coverage is the same with\\\r\n  \\ --test (689.0507ms)\\n\\u2714 coverage is combined for multiple processes (625.1439ms)\\n\\\r\n  \\uFE63 coverage works with isolation=none (0.3688ms) # SKIP\\n\\u25B6 coverage reports\\\r\n  \\ on lines, functions, and branches\\n  \\u2714 does not include node_modules (0.316ms)\\n\\\r\n  \\  \\u2714 reports on function coverage (0.1952ms)\\n  \\u2714 reports on branch coverage\\\r\n  \\ (0.2506ms)\\n  \\u2714 reports on line coverage (0.2479ms)\\n\\u2714 coverage reports\\\r\n  \\ on lines, functions, and branches (550.3549ms)\\n\\u2714 coverage with source maps\\\r\n  \\ (577.2805ms)\\n\\u2714 coverage with source maps missing sources (411.9635ms)\\n\\u2714\\\r\n  \\ coverage with ESM hook - source irrelevant (600.2435ms)\\n\\u2714 coverage with\\\r\n  \\ ESM hook - source transpiled (607.2523ms)\\n\\u2714 coverage with excluded files\\\r\n  \\ (304.553ms)\\n\\u2714 coverage with included files (302.6345ms)\\n\\u2714 coverage\\\r\n  \\ with included and excluded files (285.25ms)\\n\\u2714 properly accounts for line\\\r\n  \\ endings in source maps (398.9005ms)\\n\\u2714 correctly prints the coverage report\\\r\n  \\ of files contained in parent directories (454.1338ms)\\n\\u2139 tests 25\\n\\u2139\\\r\n  \\ suites 0\\n\\u2139 pass 22\\n\\u2139 fail 2\\n\\u2139 cancelled 0\\n\\u2139 skipped 1\\n\\\r\n  \\u2139 todo 0\\n\\u2139 duration_ms 9856.4836\\n\\n\\u2716 failing tests:\\n\\ntest at\\\r\n  \\ test\\\\parallel\\\\test-runner-coverage.js:138:11\\n\\u2716 coverage is reported without\\\r\n  \\ NODE_V8_COVERAGE present (1175.4346ms)\\n  AssertionError [ERR_ASSERTION]: The\\\r\n  \\ expression evaluated to a falsy value:\\n\\n    assert(!findCoverageFileForPid(result.pid))\\n\\\r\n  \\n      at TestContext.\u003canonymous> (d:\\\\workspace\\\\node-test-binary-windows-js-suites\\\\\\\r\n  node\\\\test\\\\parallel\\\\test-runner-coverage.js:147:5)\\n      at Test.runInAsyncScope\\\r\n  \\ (node:async_hooks:211:14)\\n      at Test.run (node:internal/test_runner/test:930:25)\\n\\\r\n  \\      at Test.start (node:internal/test_runner/test:829:17)\\n      at TestContext.test\\\r\n  \\ (node:internal/test_runner/test:313:20)\\n      at TestContext.\u003canonymous> (d:\\\\\\\r\n  workspace\\\\node-test-binary-windows-js-suites\\\\node\\\\test\\\\parallel\\\\test-runner-coverage.js:138:11)\\n\\\r\n  \\      at async Test.run (node:internal/test_runner/test:931:9)\\n      at async\\\r\n  \\ Test.processPendingSubtests (node:internal/test_runner/test:629:7) {\\n    generatedMessage:\\\r\n  \\ true,\\n    code: 'ERR_ASSERTION',\\n    actual: false,\\n    expected: true,\\n \\\r\n  \\   operator: '=='\\n  }\"\r\n...\r\n```\r\n\r\n\r\n### Build links\r\n\r\n- https://ci.nodejs.org/job/node-test-binary-windows-js-suites/30580/RUN_SUBSET=0,nodes=win11-arm64-COMPILED_BY-vs2022-arm64/testReport/junit/(root)/parallel/test_runner_coverage/\r\n\r\n### Additional information\r\n\r\n_No response_","author":{"url":"https://github.com/lpinca","@type":"Person","name":"lpinca"},"datePublished":"2024-09-28T16:16:36Z","url":"https://github.com/nodejs/node/issues/55154"}