Files
pulse/scripts/release_control/rehearsal_source_test.py
T
pulse-triage[bot] e2fb6b2fae Match watchdog Git fixtures to the checkout ignore policy
The first exact offline suite passed the metadata cases but the clean-tree assertion saw Python import bytecode because the fixture omitted the real .gitignore. Copy that existing policy into the fixture, retaining the source/no-mutation assertion.

Contract-Neutral: Fixture setup now copies the existing repository ignore policy; runtime and deployment contracts are unchanged.
Change-source: pulse-maintainer
2026-10-01 03:05:17 +01:00

296 lines
15 KiB
Python

#!/usr/bin/env python3
"""Execute the workflow's source-selection shell against local Git fixtures."""
from pathlib import Path
import os
import re
import shutil
import subprocess
import tempfile
import textwrap
import unittest
from repo_file_io import REPO_ROOT, strip_local_git_env
WORKFLOW = REPO_ROOT / ".github/workflows/release-dry-run.yml"
def step(name):
match = re.search(
rf"(?ms)^ - name: {name}\n.*?^ run: \|\n"
r"((?: [^\n]*\n|\n)+)", WORKFLOW.read_text()
)
assert match
return textwrap.dedent(match.group(1))
class RehearsalSourceTest(unittest.TestCase):
def setUp(self):
self.tmp = tempfile.TemporaryDirectory()
self.addCleanup(self.tmp.cleanup)
self.root = Path(self.tmp.name)
self.repo = self.root / "repository"
self.repo.mkdir()
self.env = strip_local_git_env(dict(os.environ))
self.env.update(GIT_CONFIG_NOSYSTEM="1", GIT_CONFIG_GLOBAL="/dev/null")
self.git("init", "-b", "main")
self.git("config", "user.email", "fixture@example.invalid")
self.git("config", "user.name", "Fixture")
self.git("config", "core.hooksPath", "/dev/null")
# Match the real checkout's generated-file policy, including Python's
# import cache, while still detecting any uncommitted source change.
for name in (".gitignore", "scripts/release_control/control_plane.py",
"scripts/release_control/repo_file_io.py",
"scripts/release_control/resolve_release_promotion.py",
"docs/release-control/control_plane.json"):
target = self.repo / name
target.parent.mkdir(parents=True, exist_ok=True)
shutil.copyfile(REPO_ROOT / name, target)
self.version("6.4.3-rc.1")
self.main = self.git("rev-parse", "HEAD")
self.git("checkout", "-b", "release/v6.4")
self.version("6.4.4-beta.1")
self.release = self.git("rev-parse", "HEAD")
self.git("checkout", "main")
# A local read-only fetch exercises real FETCH_HEAD / detached checkout.
self.git("remote", "add", "origin", str(self.repo))
self.output = self.root / "output"
def git(self, *args):
return subprocess.check_output(
["git", *args], cwd=self.repo, env=self.env,
stderr=subprocess.DEVNULL, text=True
).strip()
def version(self, value):
(self.repo / "VERSION").write_text(value + "\n")
self.git("add", ".")
self.git("commit", "-m", "fixture")
def select(self, event="schedule", branch="main", sha=None, required="release/v6.4", watchdog=None):
env = dict(self.env, EVENT_NAME=event, GITHUB_REF_NAME=branch,
GITHUB_SHA=sha or self.main, REQUIRED_BRANCH=required,
WATCHDOG_MODE=watchdog or ("true" if event == "schedule" else "false"),
GITHUB_OUTPUT=str(self.output))
return subprocess.run(
["bash", "-euo", "pipefail", "-c", step("Select exact rehearsal source")],
cwd=self.repo, env=env, text=True, capture_output=True
)
def test_schedule_selects_release_and_its_version_not_main(self):
result = self.select()
self.assertEqual(result.returncode, 0, result.stderr)
self.assertEqual(self.git("rev-parse", "HEAD"), self.release)
self.assertEqual((self.repo / "VERSION").read_text().strip(), "6.4.4-beta.1")
self.assertIn("tested_sha=" + self.release, self.output.read_text())
self.assertIn("tested_branch=release/v6.4", self.output.read_text())
self.assertIn(self.main, result.stdout)
self.assertNotEqual(self.main, self.release)
def mode(self, **overrides):
env = dict(self.env, EVENT_NAME="workflow_dispatch", WATCHDOG_INPUT="true",
EXPECTED_WORKFLOW_SHA_INPUT=self.main, GITHUB_SHA=self.main,
GITHUB_REF="refs/heads/main", GITHUB_REF_NAME="main",
GITHUB_OUTPUT=str(self.output))
env.update(overrides)
return subprocess.run(["bash", "-euo", "pipefail", "-c", step("Validate release ref")],
cwd=self.repo, env=env, text=True, capture_output=True)
def test_fixed_watchdog_dispatch_selects_same_source_as_schedule(self):
admitted = self.mode()
self.assertEqual(admitted.returncode, 0, admitted.stderr)
self.assertEqual(self.output.read_text(), "watchdog=true\n")
result = self.select("workflow_dispatch", watchdog="true")
self.assertEqual(result.returncode, 0, result.stderr)
self.assertEqual(self.git("rev-parse", "HEAD"), self.release)
self.assertIn(self.main, result.stdout)
self.assertIn("tested_sha=" + self.release, self.output.read_text())
def test_watchdog_rejects_moved_control_wrong_ref_and_unknown_event_before_selection(self):
for overrides in (
{"EXPECTED_WORKFLOW_SHA_INPUT": "a" * 40},
{"EXPECTED_WORKFLOW_SHA_INPUT": "not-a-sha"},
{"EXPECTED_WORKFLOW_SHA_INPUT": ""},
{"GITHUB_REF": "refs/heads/release/v6.4"},
{"GITHUB_REF": "refs/tags/v6.4.5"},
{"EVENT_NAME": "push"}, {"WATCHDOG_INPUT": "yes"},
):
with self.subTest(overrides=overrides):
result = self.mode(**overrides)
self.assertNotEqual(result.returncode, 0, result.stdout)
self.assertFalse(self.output.exists())
self.assertEqual(self.git("rev-parse", "HEAD"), self.main)
def test_watchdog_rejects_every_candidate_and_exception_input(self):
for name in (
"VERSION_INPUT", "PROMOTED_FROM_TAG_INPUT", "ROLLBACK_VERSION_INPUT",
"GA_DATE_INPUT", "V5_EOS_DATE_INPUT", "HOTFIX_REASON_INPUT",
"UNSIGNED_WINDOWS_REASON_INPUT", "NOTE_INPUT", "MOBILE_RELEASE_DECISION",
"MOBILE_RELEASE_EVIDENCE", "HOTFIX_EXCEPTION_INPUT", "UNSIGNED_WINDOWS_EXCEPTION_INPUT",
):
with self.subTest(name=name):
self.assertNotEqual(self.mode(**{name: "true"}).returncode, 0)
self.assertFalse(self.output.exists())
self.assertEqual(self.mode(HOTFIX_EXCEPTION_INPUT="false",
UNSIGNED_WINDOWS_EXCEPTION_INPUT="false").returncode, 0)
def test_schedule_and_manual_candidate_envelopes_remain_separate(self):
result = self.mode(EVENT_NAME="schedule", WATCHDOG_INPUT="", EXPECTED_WORKFLOW_SHA_INPUT="")
self.assertEqual(result.returncode, 0, result.stderr)
self.assertEqual(self.output.read_text(), "watchdog=true\n")
self.output.unlink()
for overrides in ({}, {"ROLLBACK_VERSION_INPUT": "v6.4.1", "EXPECTED_WORKFLOW_SHA_INPUT": self.main}):
with self.subTest(overrides=overrides):
env = {"WATCHDOG_INPUT": "false", "EXPECTED_WORKFLOW_SHA_INPUT": ""}
env.update(overrides)
self.assertNotEqual(self.mode(**env).returncode, 0)
self.assertFalse(self.output.exists())
result = self.mode(WATCHDOG_INPUT="false", EXPECTED_WORKFLOW_SHA_INPUT="",
ROLLBACK_VERSION_INPUT="v6.4.1")
self.assertEqual(result.returncode, 0, result.stderr)
self.assertEqual(self.output.read_text(), "watchdog=false\n")
def test_manual_wrong_branch_rejected_without_switching(self):
result = self.select("workflow_dispatch")
self.assertNotEqual(result.returncode, 0)
self.assertEqual(self.git("rev-parse", "HEAD"), self.main)
self.assertFalse(self.output.exists())
def test_manual_exact_release_source_preserved(self):
self.git("checkout", "release/v6.4")
result = self.select("workflow_dispatch", "release/v6.4", self.release)
self.assertEqual(result.returncode, 0, result.stderr)
self.assertEqual(self.git("rev-parse", "HEAD"), self.release)
def test_manual_sha_mismatch_rejected(self):
self.git("checkout", "release/v6.4")
self.assertNotEqual(self.select("workflow_dispatch", "release/v6.4").returncode, 0)
def test_missing_branch_fails_closed(self):
self.assertNotEqual(self.select(required="release/missing").returncode, 0)
self.assertEqual(self.git("rev-parse", "HEAD"), self.main)
self.assertFalse(self.output.exists())
def test_explicit_watchdog_missing_branch_and_policy_drift_fail_closed(self):
self.assertNotEqual(self.select("workflow_dispatch", watchdog="true",
required="release/missing").returncode, 0)
self.assertFalse(self.output.exists())
self.git("checkout", "release/v6.4")
self.version("6.6.0-beta.1")
self.git("checkout", "main")
self.assertNotEqual(self.select("workflow_dispatch", watchdog="true").returncode, 0)
self.assertEqual(self.git("rev-parse", "HEAD"), self.main)
self.assertFalse(self.output.exists())
def test_selected_version_must_still_belong_to_governed_branch(self):
self.git("checkout", "release/v6.4")
self.version("6.6.0-beta.1")
self.git("checkout", "main")
self.assertNotEqual(self.select().returncode, 0)
self.assertEqual(self.git("rev-parse", "HEAD"), self.main)
self.assertFalse(self.output.exists())
def test_unknown_event_rejected(self):
self.assertNotEqual(self.select("push").returncode, 0)
def test_metadata_keeps_selected_branch_and_manual_rollback_guard(self):
metadata = step("Resolve rehearsal metadata")
self.assertIn('if [ "${TESTED_BRANCH}" != "$REQUIRED_BRANCH" ]; then', metadata)
self.assertIn('if [ "$FILE_VERSION" != "$VERSION" ]; then', metadata)
self.assertIn('if [ "${WATCHDOG_MODE}" = "true" ]; then', metadata)
self.assertIn('metadata_mode=watchdog', metadata)
self.assertIn('metadata_mode=promotion', metadata)
self.assertNotIn('--derive-rollback-latest-stable', metadata)
workflow = WORKFLOW.read_text()
self.assertIn('TESTED_SHA: ${{ needs.dry-run.outputs.tested_sha }}', workflow)
self.assertIn('Workflow event SHA:', workflow)
self.assertNotIn('echo "- Source SHA:', workflow)
def metadata(self, watchdog="true", **overrides):
env = dict(self.env, EVENT_NAME="workflow_dispatch", WATCHDOG_MODE=watchdog,
TESTED_BRANCH="release/v6.4", WORKFLOW_OUTPUT_1="release/v6.4",
RUNNER_TEMP=str(self.root), GITHUB_OUTPUT=str(self.output))
env.update(overrides)
return subprocess.run(["bash", "-euo", "pipefail", "-c",
step("Resolve rehearsal metadata")],
cwd=self.repo, env=env, text=True, capture_output=True)
def published_stable_with_pending_fix(self):
self.git("tag", "v6.4.1", self.main)
self.git("checkout", "release/v6.4")
self.version("6.4.5")
self.git("tag", "v6.4.5-rc.5")
self.git("tag", "v6.4.5")
runtime = self.repo / "internal/updates/pending.go"
runtime.parent.mkdir(parents=True)
runtime.write_text("package updates\n")
self.git("add", ".")
self.git("commit", "-m", "reviewed pending fix after stable")
def test_postpublication_watchdog_does_not_pretend_to_promote_stable(self):
self.published_stable_with_pending_fix()
before = self.git("rev-parse", "HEAD")
result = self.metadata()
self.assertEqual(result.returncode, 0, result.stderr)
observation = self.output.read_text()
self.assertIn("version=6.4.5\n", observation)
self.assertIn("metadata_mode=watchdog\n", observation)
self.assertIn("rollback_tag=v6.4.1\n", observation)
self.assertIn("watched_version_stage=stable\n", observation)
for candidate_field in ("promotion_mode=", "soak_hours=", "rollback_command=",
"hotfix_exception=", "promoted_from_tag="):
self.assertNotIn(candidate_field, observation)
self.assertEqual(self.git("rev-parse", "HEAD"), before)
self.assertEqual(self.git("status", "--porcelain"), "")
def test_identical_candidate_rehearsal_still_refuses_new_stable_promotion(self):
self.published_stable_with_pending_fix()
result = self.metadata("false", ROLLBACK_VERSION_INPUT="v6.4.1")
self.assertNotEqual(result.returncode, 0)
self.assertIn("same-version release candidates already exist", result.stderr)
self.assertFalse(self.output.exists())
def test_watchdog_rc_and_metadata_failures_remain_source_bound(self):
self.git("tag", "v6.4.1", self.main)
self.git("checkout", "release/v6.4")
self.version("6.4.6-rc.1")
self.assertEqual(self.metadata().returncode, 0)
self.assertIn("watched_version_stage=rc\n", self.output.read_text())
self.output.unlink()
for overrides in ({"VERSION_INPUT": "6.4.5"},
{"TESTED_BRANCH": "main"}):
with self.subTest(overrides=overrides):
self.assertNotEqual(self.metadata(**overrides).returncode, 0)
self.assertFalse(self.output.exists())
self.git("tag", "-d", "v6.4.1")
missing = self.metadata()
self.assertNotEqual(missing.returncode, 0)
self.assertIn("no stable release tag precedes it", missing.stderr)
self.assertFalse(self.output.exists())
def test_watchdog_summary_cannot_be_recorded_as_promotion_readiness(self):
# Execute the real summary shell without an Actions expression evaluator.
script = step("Write rehearsal summary").replace(
"${{ github.repository }}", "rcourtman/Pulse").replace(
"${{ github.run_id }}", "123")
env = dict(self.env, WATCHDOG_MODE="true", GITHUB_OUTPUT=str(self.output),
GITHUB_STEP_SUMMARY=str(self.root / "step-summary"),
GITHUB_REF_NAME="main", GITHUB_SHA=self.main,
TESTED_BRANCH="release/v6.4", TESTED_SHA=self.release,
REHEARSAL_CONCLUSION="success", JOB_CONCLUSION="failure",
WORKFLOW_OUTPUT_1="6.4.5", WORKFLOW_OUTPUT_5="v6.4.1")
result = subprocess.run(["bash", "-euo", "pipefail", "-c", script],
cwd=self.repo, env=env, text=True, capture_output=True)
self.assertEqual(result.returncode, 0, result.stderr)
text = (self.repo / "release-dry-run/watchdog-summary.md").read_text()
self.assertIn("- Preflight result: failure", text)
self.assertIn("not a candidate promotion", text)
self.assertNotIn("Candidate stable tag:", text)
self.assertNotIn("record_rc_to_ga_rehearsal.py", text)
self.assertIn("artifact_name=release-watchdog-summary\n", self.output.read_text())
self.assertFalse((self.repo / "release-dry-run/rc-to-ga-rehearsal-summary.md").exists())
if __name__ == "__main__":
unittest.main()