Testing & Quality skills

Browse reusable Agent Skills, each with a clear purpose and practical guidance.

parallelism

Run Ginkgo suites in parallel — ginkgo -p / --procs, the separate-process (not goroutine) model, SynchronizedBeforeSuite/SynchronizedAfterSuite vs BeforeSuite, GinkgoParallelProcess() for sharding ports/tmpdirs/databases, building a binary once via gexec, and piping child-process output to GinkgoWriter. Use when parallelizing a suite, speeding up integration tests, fixing parallel-only flakes/races, sharding external resources, or choosing between BeforeSuite and SynchronizedBeforeSuite.

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reporting

Generate, consume, and enrich Ginkgo reports — console verbosity (-v/-vv/--trace/--no-color/--succinct), machine-readable reports (--json-report/--junit-report with --output-dir/--keep-separate-reports), programmatic reporting nodes (ReportAfterEach, ReportAfterSuite, CurrentSpecReport), AddReportEntry with ReportEntryVisibility, and profiling (--cover/--race/--cpuprofile/--memprofile). Use when you need a report file, custom suite-level reporting, attaching data to a spec, controlling console output, or profiling a suite.

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running

Run Ginkgo suites with the ginkgo CLI — run, -r, -p, --dry-run, watch, build (precompiled .test binaries), generate, outline, unfocus, labels, version; spec randomization (--randomize-all/--randomize-suites/--seed); running multiple suites (--keep-going/--skip-package/--compilers); previewing (--dry-run, PreviewSpecs); and parameterizing a suite via env vars or init()-registered flags after -- plus GinkgoConfiguration() overrides. Use when running suites locally, precompiling, watching for changes, or parameterizing a run from the command line. For a CI configuration see ginkgo:ci.

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setup

Wire Ginkgo into a Go package — install the ginkgo CLI and Ginkgo+Gomega, ginkgo bootstrap to generate the suite_test.go (TestXxx/RegisterFailHandler(Fail)/RunSpecs), the package xxx_test convention, dot-import alternatives (aliased import, dsl/* subpackages, --nodot), ginkgo generate, and *testing.T interop via GinkgoT()/GinkgoTB() for testify/gomock. Use when first adding Ginkgo to a repo, bootstrapping a suite, or integrating a *testing.T-based library.

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tables-and-dynamic-specs

Parameterize and generate Ginkgo specs — DescribeTable/Entry table-driven specs, Entry descriptions (string, nil, closure, EntryDescription), PEntry/FEntry and per-Entry decorators, DescribeTableSubtree, generating specs in a construction-time loop, loading fixtures in TestXxx before RunSpecs, and shared-behavior closures. Use when you have repetitive specs differing only by inputs, want data-driven or generated specs, or are extracting reusable It blocks across Contexts.

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timeouts-and-async

Make Ginkgo specs interruptible and test asynchronous behavior — SpecContext/context.Context cancellable nodes, NodeTimeout/SpecTimeout/GracePeriod, the --timeout flag, Abort and SIGINT behavior, Gomega Eventually/Consistently (the func(g Gomega) form, .WithContext), and the defer GinkgoRecover() rule for goroutines. Use when a spec hangs or times out, polls for eventual consistency, tests channels/streams/processes, launches goroutines, or needs a deadline.

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writing-specs

Author good Ginkgo specs — container nodes (Describe/Context/When), subject nodes (It/Specify), setup/cleanup nodes (BeforeEach, JustBeforeEach, AfterEach, DeferCleanup, BeforeSuite/AfterSuite), the "declare in container, initialize in BeforeEach" rule, separating creation from configuration, reusable test helpers with GinkgoHelper()/GinkgoHelperGo(), and By/GinkgoWriter output. Use when writing or reviewing specs or extracting a test helper. Covers the tree-construction-time pitfalls (no assertions/init/loop-capture in container bodies).

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