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feat(ci): run only the e2e tests a change affects (spec 023 PR 2) - #778
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Add test/e2e/suite-components.json and ci_scope.py modes e2e and verify-suites (spec 023 US1, T019-T028). Each e2e-go leg runs only its bucket's selected tests and skips itself when none is selected; the multicluster, upgrade, web live, game bot and capture overhead jobs follow the same selection. An unmapped path forces the full suite and fails the e2e bucket coverage job. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Signed-off-by: Claude <noreply@anthropic.com>
Unit cases for spec 023 US1 scenarios 1-4, verify-suites and the e2e-run regexes (T014-T016), and TestCISelection_* in the operator bucket, run on a git archive copy of the checkout (T017-T018). Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Signed-off-by: Claude <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Signed-off-by: Claude <noreply@anthropic.com>
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WalkthroughThis PR adds change-based E2E test selection using suite and component metadata. It emits selected test regexes and job gates, updates CI workflows to use those outputs, and adds selector validation, automated tests, and scenario results. ChangesE2E test selection
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~45 minutes Change: Feature Suggested labels: Merge Risk: 🟡 Moderate · up to
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| Check name | Status | Explanation | Resolution |
|---|---|---|---|
| Docstring Coverage |  |
Docstring coverage is 58.62% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 58 functions across 4 files. (10 skipped:… | Write docstrings for the functions missing them to satisfy the coverage threshold. |
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Check name Status Explanation Description Check Check skipped - CodeRabbit’s high-level summary is enabled. Title check The title clearly and concisely describes the main change: selecting only the end-to-end tests affected by a change. Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request.
Full details: Docstring Coverage
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Explanation
Docstring coverage is 58.62% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 58 functions across 4 files. (10 skipped: 10 unsupported.)
Resolution
Write docstrings for the functions missing them to satisfy the coverage threshold.
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Mode e2e already forces the full suite for an unmapped path, but mode modules kept its narrow go-exclude list, so the go matrix could end up with no legs. Treat an unmapped path as an unknown diff there too. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Signed-off-by: Claude <noreply@anthropic.com>
CI Report - 7714f51run 39746678472 - attempt 1 0 failed - 33 passed - 0 skipped - 67m23s elapsed Test selection: full (selection-rule change) - per-suite table Coverage
Changed
Slowest jobs
e2e buckets run
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golangci-lint noctx flags exec.Command; use exec.CommandContext(t.Context(), ...). Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Signed-off-by: Claude <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Signed-off-by: Claude <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Signed-off-by: Claude <noreply@anthropic.com>
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Inline comments:
Review comments at @hack/ci_scope.py:
- Line 414: Update the universal-path branch in the test selector so it
explicitly signals the downstream `combine` step to enable the e2e and image
gates, including `GO`, `CHARTS`, `E2ETREE`, and `GAMECOVERAGE`. Preserve
selection of every test and do not rely solely on setting a full-scope reason.
Review comments at @specs/023-change-based-test-selection/tasks.md:
- Line 87: Update T017 to match the current CLI contract: run mode e2e and
assert only outputs it emits, removing the obsolete modules-mode and e2e-exclude
requirements.
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📒 Files selected for processing: 14
.github/workflows/ci.yamlhack/ci_scope.pyhack/test_ci_scope.pyspecs/023-change-based-test-selection/OPEN-DECISIONS.mdspecs/023-change-based-test-selection/briefs/e2e-selection.mdspecs/023-change-based-test-selection/contracts/ci-scope-cli.mdspecs/023-change-based-test-selection/contracts/suite-components.mdspecs/023-change-based-test-selection/quickstart.mdspecs/023-change-based-test-selection/spec.mdspecs/023-change-based-test-selection/tasks.mdspecs/023-change-based-test-selection/validation.mdtest/e2e/buckets.shtest/e2e/ci_selection_e2e_test.gotest/e2e/suite-components.json
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📚 Code guidelines: 1
CLAUDE.md — configured
📓 Path-based instructions: 7
CRITICAL: Every workflow MUST follow hardened-CI practices: All external actions MUST be pinned to a full 40-hex commit SHA (not a tag or branch) Each action SHA pin MUST include an inline version comment for human readability Workflows MUS...
⚙️ CodeRabbit configuration file
Files:
.github/workflows/ci.yaml
CRITICAL: Flag test deletions or weakening: A test removed or commented out (sign: test file size decreased) A test case removed from a table-driven test A test condition relaxed (e.g., comparison changed from == to >) A test assertion remo...
⚙️ CodeRabbit configuration file
Files:
test/e2e/ci_selection_e2e_test.go
CRITICAL: Every new E2E test MUST: Be added to a bucket in test/e2e/buckets.sh (the CI gate fails on unbucketed tests) Call t.Parallel() to allow concurrent execution within its bucket Use per-test unique resource names (not shared fixtures...
⚙️ CodeRabbit configuration file
Files:
test/e2e/buckets.shtest/e2e/suite-components.jsontest/e2e/ci_selection_e2e_test.go
CRITICAL: Behavior changes must update the relevant module's specs.md.
⚙️ CodeRabbit configuration file
Files:
test/e2e/ci_selection_e2e_test.go
CRITICAL: Gameplane's house rules forbid in-source lint suppressions.
⚙️ CodeRabbit configuration file
Files:
test/e2e/ci_selection_e2e_test.go
Applicability reference: AGENTS.md: CLAUDE.md Source excerpt: **Specs:** a feature's spec is its whole `specs//` folder (`data-model.md`, `contracts/`, `OPEN-DECISIONS.md`, …) — check it for explicit exemptions before flagging viol...
📄 CodeRabbit inference engine (CLAUDE.md)
Files:
specs/023-change-based-test-selection/contracts/suite-components.mdspecs/023-change-based-test-selection/OPEN-DECISIONS.mdspecs/023-change-based-test-selection/quickstart.mdspecs/023-change-based-test-selection/spec.mdspecs/023-change-based-test-selection/validation.mdspecs/023-change-based-test-selection/contracts/ci-scope-cli.mdspecs/023-change-based-test-selection/tasks.mdspecs/023-change-based-test-selection/briefs/e2e-selection.md
Applicability reference: AGENTS.md: CLAUDE.md Source excerpt: **Go errors:** wrap with `%w`.
📄 CodeRabbit inference engine (CLAUDE.md)
Files:
test/e2e/ci_selection_e2e_test.go
🪛 ast-grep (0.45.3)
hack/test_ci_scope.py
[error] 497-498: Command coming from incoming request
Context: subprocess.run(["bash", "test/e2e/buckets.sh", "regex", bucket], cwd=ROOT,
check=True, capture_output=True, text=True)
Note: [CWE-78] Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection').
(subprocess-from-request)
hack/ci_scope.py
[error] 296-297: Command coming from incoming request
Context: subprocess.run(["bash", "test/e2e/buckets.sh", *args], cwd=root, check=True,
capture_output=True, text=True)
Note: [CWE-78] Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection').
(subprocess-from-request)
[warning] 322-322: Regex pattern passed to re is built from a non-literal (variable, call, concatenation, or f-string) value. If that value is attacker-controlled it can introduce a malicious pattern with catastrophic backtracking (ReDoS). Use a hardcoded literal pattern, or validate/escape untrusted input with re.escape() and bound the regex complexity before compiling.
Context: re.compile(r"\b(?:" + "|".join(parts) + ")")
Note: [CWE-1333] Inefficient Regular Expression Complexity.
(redos-non-literal-regex-python)
[warning] 373-373: Regex pattern passed to re is built from a non-literal (variable, call, concatenation, or f-string) value. If that value is attacker-controlled it can introduce a malicious pattern with catastrophic backtracking (ReDoS). Use a hardcoded literal pattern, or validate/escape untrusted input with re.escape() and bound the regex complexity before compiling.
Context: re.search(entry["tests"], name)
Note: [CWE-1333] Inefficient Regular Expression Complexity.
(redos-non-literal-regex-python)
[warning] 483-483: Regex pattern passed to re is built from a non-literal (variable, call, concatenation, or f-string) value. If that value is attacker-controlled it can introduce a malicious pattern with catastrophic backtracking (ReDoS). Use a hardcoded literal pattern, or validate/escape untrusted input with re.escape() and bound the regex complexity before compiling.
Context: re.compile(entry["tests"])
Note: [CWE-1333] Inefficient Regular Expression Complexity.
(redos-non-literal-regex-python)
🪛 LanguageTool
specs/023-change-based-test-selection/tasks.md
[uncategorized] ~98-~98: The official name of this software platform is spelled with a capital “H”.
Context: ...cli.md "Mode bots") - [X] T025 [US1] In .github/workflows/ci.yaml, skip unselected leg...
(GITHUB)
[uncategorized] ~99-~99: The official name of this software platform is spelled with a capital “H”.
Context: ...same tests (FR-010) - [X] T026 [US1] In .github/workflows/ci.yaml, replace `RUN_REGEX=...
(GITHUB)
[uncategorized] ~100-~100: The official name of this software platform is spelled with a capital “H”.
Context: ...89) on its presence - [X] T027 [US1] In .github/workflows/ci.yaml, fold the four e2e b...
(GITHUB)
specs/023-change-based-test-selection/briefs/e2e-selection.md
[style] ~599-~599: Three successive sentences begin with the same word. Consider rewording the sentence or use a thesaurus to find a synonym.
Context: ...enFile(path, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o644) if err != nil { t.Fat...
(ENGLISH_WORD_REPEAT_BEGINNING_RULE)
[uncategorized] ~619-~619: The official name of this software platform is spelled with a capital “H”.
Context: ... output := filepath.Join(t.TempDir(), "github_output") cmd := exec.Command("python3"...
(GITHUB)
[uncategorized] ~705-~705: Do not mix variants of the same word (‘regex’ and ‘regexp’) within a single text.
Context: ...CheckRegexes asserts every emitted -run regex runs at least one // test of this packa...
(EN_WORD_COHERENCY)
[uncategorized] ~713-~713: Do not mix variants of the same word (‘regex’ and ‘regexp’) within a single text.
Context: ...rr != nil { t.Errorf("bucket %s: bad regex %q: %v", bucket, expr, err) continue...
(EN_WORD_COHERENCY)
[uncategorized] ~727-~727: Do not mix variants of the same word (‘regex’ and ‘regexp’) within a single text.
Context: ...members[name] { t.Errorf("bucket %s regex %q matches %s, which is not in that buc...
(EN_WORD_COHERENCY)
[uncategorized] ~731-~731: Do not mix variants of the same word (‘regex’ and ‘regexp’) within a single text.
Context: ...f matched == 0 { t.Errorf("bucket %s regex %q matches no test in this package", bu...
(EN_WORD_COHERENCY)
[uncategorized] ~736-~736: Do not mix variants of the same word (‘regex’ and ‘regexp’) within a single text.
Context: ...e2e-go bucket runs its whole buckets.sh regex. func ciSelectionRequireAll(t *testing....
(EN_WORD_COHERENCY)
[uncategorized] ~740-~740: Do not mix variants of the same word (‘regex’ and ‘regexp’) within a single text.
Context: ...t := strings.Join(ciSelectionBucket(t, "regex", bucket), "") if got := sel.Run[buck...
(EN_WORD_COHERENCY)
[uncategorized] ~742-~742: Do not mix variants of the same word (‘regex’ and ‘regexp’) within a single text.
Context: ...]; got != want { t.Errorf("bucket %s regex = %q, want the full bucket %q", bucket,...
(EN_WORD_COHERENCY)
[uncategorized] ~762-~762: Do not mix variants of the same word (‘regex’ and ‘regexp’) within a single text.
Context: ...ePTYRoundTrip") { t.Errorf("api-agent regex %q lacks TestAPI_ConsolePTYRoundTrip", ...
(EN_WORD_COHERENCY)
[uncategorized] ~818-~818: Do not mix variants of the same word (‘regex’ and ‘regexp’) within a single text.
Context: ...$"; got != want { t.Errorf("telemetry regex = %q, want %q", got, want) } if expr,...
(EN_WORD_COHERENCY)
[uncategorized] ~1115-~1115: Do not mix variants of the same word (‘regex’ and ‘regexp’) within a single text.
Context: ...-steps ``` Inside &e2e-go-steps, add `if: env.RUN_REGEX != '' || env.TAIL_REGEX != ''` as the f...
(EN_WORD_COHERENCY)
[uncategorized] ~1117-~1117: The official name of this software platform is spelled with a capital “H”.
Context: ...steps: the actions/checkout step, the ./.github/actions/go-cache step, the `azure/setu...
(GITHUB)
[uncategorized] ~1185-~1185: The official name of this software platform is spelled with a capital “H”.
Context: ...e2e-capture-overhead replace the line ` (github.event_name == 'pull_request' && needs.c...
(GITHUB)
[uncategorized] ~1187-~1187: The official name of this software platform is spelled with a capital “H”.
Context: ...ts.capture_overhead == 'true') ||with (github.event_name == 'pull_request' && needs.c...
(GITHUB)
[uncategorized] ~1201-~1201: Do not mix variants of the same word (‘regex’ and ‘regexp’) within a single text.
Context: ... T025 to say "skip unselected legs with RUN_REGEX" instead of e2e-exclude. ## 8. Foll...
(EN_WORD_COHERENCY)
🪛 markdownlint-cli2 (0.23.3)
specs/023-change-based-test-selection/briefs/e2e-selection.md
[warning] 401-401: Spaces inside code span elements
(MD038, no-space-in-code)
[warning] 481-481: Spaces inside code span elements
(MD038, no-space-in-code)
[warning] 1007-1007: Spaces inside code span elements
(MD038, no-space-in-code)
[warning] 1021-1021: Spaces inside code span elements
(MD038, no-space-in-code)
[warning] 1048-1048: Spaces inside code span elements
(MD038, no-space-in-code)
[warning] 1055-1055: Spaces inside code span elements
(MD038, no-space-in-code)
[warning] 1181-1181: Spaces inside code span elements
(MD038, no-space-in-code)
[warning] 1182-1182: Spaces inside code span elements
(MD038, no-space-in-code)
[warning] 1185-1185: Spaces inside code span elements
(MD038, no-space-in-code)
[warning] 1187-1187: Spaces inside code span elements
(MD038, no-space-in-code)
🪛 Ruff (0.16.10)
hack/test_ci_scope.py
[warning] 452-452: Mutable default value for class attribute
(RUF012)
[warning] 496-496: Consider [*E2E_BUCKETS, "ratelimit"] instead of concatenation
Replace with [*E2E_BUCKETS, "ratelimit"]
(RUF005)
[error] 497-497: subprocess call: check for execution of untrusted input
(S603)
[error] 497-497: Starting a process with a partial executable path
(S607)
hack/ci_scope.py
[error] 296-296: subprocess call: check for execution of untrusted input
(S603)
[error] 296-296: Starting a process with a partial executable path
(S607)
[warning] 451-451: Consider iterable unpacking instead of concatenation
Replace with iterable unpacking
(RUF005)
[warning] 704-704: Do not catch blind exception: Exception
(BLE001)
Universal paths such as .dockerignore, containers/ and signing/ select every e2e test but match no e2e path filter, so the e2e and image gates stayed off. Mode e2e now outputs `universal`, and the combine step folds it into e2ev. T017 is marked withdrawn in part to match the contract. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Signed-off-by: Claude <noreply@anthropic.com>
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Spec 023 PR 2. PR 1 (#752) is merged, so this PR now targets
master.What changes
Spec 023 US1, tasks T014–T030: a PR now boots only the e2e suites that exercise what it changed, and only the tests inside them that do.
test/e2e/suite-components.jsondeclares which components each e2e test exercises, keyed by test-name pattern. Components are go.work modules,modulesandweb, plus extra paths per pattern. Auniversallist selects every test: charts, CRDs,deploy/kind,containers, signing and the e2e harness.hack/ci_scope.py e2eis a new mode, run as a newchangesstep.-runregex per bucket (e2e-run), switches for multicluster, upgrade, web live and capture overhead, and the selectedbot-fastmatrix.test/e2e/*.gofile selects its own tests plus the tests that use its helpers.hack/ci_scope.py verify-suitesis a new mode, run ine2e bucket coverage. It checks that every bucketed test matches an entry, every component id exists, and every code component is named or listed as unexercised.ci.yaml:e2e-goleg (both arches, shared steps) runs its bucket's selected tests, and skips every step when none is selected.e2e-postgresis unchanged.N of M testsper suite.ci: full-runlabel and selection-rule changes. In a full run, every regex equalsbuckets.sh regex <bucket>.Deviations from the spec text (recorded in the brief and contracts)
e2einstead of new keys on modemodules. Two existing tests assert modemodules' exact output. The reasoning is the same as the PR 1 option A decision.e2e-excludematrix list. GitHub appliesincludeafterexclude, and each bucket has anincludeentry, so an excluded bucket would come back as a new leg withoutarch. Unselected legs skip their steps instead, which takes a few seconds and starts no cluster.botsis unchanged. Modee2eemits the selected bot matrix.Validation (T030)
Quickstart scenarios 1–4 and 12 ran as throwaway drafts #780–#784 (OD-11). The results are in
specs/023-change-based-test-selection/validation.md:Tests
hack/test_ci_scope.py:E2ESelectionTests: US1 scenarios 1–4, unmapped path, docs only.VerifySuitesTests: rules 1, 2 and 5, plus the real map.E2ERunTests: the full regex equalsbuckets.sh regex, partial runs give subsets, the ratelimit tail.test/e2e/ci_selection_e2e_test.go: sixTestCISelection_*tests in theoperatorbucket. Each runs the selector on agit archive HEADcopy. It then checks that every emitted regex hits at least one compiled test and nothing outside its bucket.Local checks were compile-only (CLAUDE.md rule 8):
py_compile, JSON and YAML parse,go test -tags e2e -c. CI is the verifier.Scout brief:
specs/023-change-based-test-selection/briefs/e2e-selection.md.🤖 Generated with Claude Code
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