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orchestrator/tests/test_config.py
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feat(coverage): deterministic test-coverage gate on deploy-staging->deploy edge (ORCH-027)
Introduce a deterministic (no-LLM) coverage sub-gate that blocks coverage
degradation before a task branch merges into `main`. Existing gates judge only by
the FACT of passing (check_ci_green / check_tests_passed / merge-gate re-test), not
by completeness — so a batch autonomous run (ORCH-088) silently erodes coverage.

Pattern mirrors the security-gate (ORCH-022): leaf src/coverage_gate.py (never-raise)
+ thin check_coverage_gate in QG_CHECKS + _handle_coverage_gate splice in advance_stage,
run AFTER merge-gate (measured on the caught-up HEAD that lands in main) and BEFORE
image-freshness (fail before the expensive docker rebuild).

- measure_coverage: pytest --cov=src --cov-report=json in the per-branch worktree ->
  line coverage %; None on tool error -> fail-open + WARNING by default (FR-6).
- compute_coverage_verdict (pure): absolute | baseline | both + epsilon (NFR-4 anti-flap);
  baseline None -> bootstrap (absolute-only).
- coverage_baseline DB table (additive, CREATE TABLE IF NOT EXISTS) + ratchet-up in
  _handle_merge_verify (deploy->done): atomic compare-and-set under merge-lease, never
  decreases; bootstrap on first merge.
- Artefact 18-coverage-report.md (coverage_status: frontmatter, single source of truth);
  GET /queue `coverage` block; FAIL -> Telegram; optional POST /coverage/baseline override.
- Flags ORCH_COVERAGE_* (kill-switch + self-hosting-only scope) -> enduro untouched;
  STAGE_TRANSITIONS / existing check_* / verdict keys byte-for-byte unchanged (NFR-5/AC-8).
- pytest-cov==5.0.0 added to requirements.txt.

Tests: tests/test_coverage_gate.py (TC-01..TC-15). Frozen QG-registry anti-regress
tests + deploy-staging edge tests updated for the new sub-gate. Full suite green.

Docs: README / adr-0029 / PIPELINE_DOCS / 18-coverage-report.md template (architecture
stage) + CHANGELOG / CLAUDE.md / .env.example (this PR).

Refs: ORCH-027
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-10 01:04:21 +03:00

323 lines
13 KiB
Python

"""ORCH-042: Settings.tracker_mode config field.
AC-1: tracker_mode defaults to "edit" and is read from env ORCH_TRACKER_MODE.
Settings is a Pydantic BaseSettings reading env at instantiation, so each case
builds a FRESH Settings() (the process-wide singleton is not mutated).
"""
from src.config import Settings
def test_tracker_mode_defaults_to_bump(monkeypatch):
# ORCH-067 (TC-01 / AC-1): the default flipped edit -> bump. With no env var
# the card now re-creates at the bottom of the chat out of the box; edit
# stays available via ORCH_TRACKER_MODE=edit (see test below).
monkeypatch.delenv("ORCH_TRACKER_MODE", raising=False)
assert Settings().tracker_mode == "bump"
def test_tracker_mode_reads_env_edit(monkeypatch):
# ORCH-067 (AC-4): edit mode is still available through the env var.
monkeypatch.setenv("ORCH_TRACKER_MODE", "edit")
assert Settings().tracker_mode == "edit"
def test_tracker_mode_reads_env_bump(monkeypatch):
# ORCH_TRACKER_MODE=bump -> "bump" (TC-01 / AC-1).
monkeypatch.setenv("ORCH_TRACKER_MODE", "bump")
assert Settings().tracker_mode == "bump"
def test_tracker_mode_reads_env_arbitrary(monkeypatch):
# The field is read verbatim from env; mode RESOLUTION (anything != "bump"
# -> edit) happens in notifications, not here (AC-1/AC-2 split).
monkeypatch.setenv("ORCH_TRACKER_MODE", "garbage")
assert Settings().tracker_mode == "garbage"
# ---------------------------------------------------------------------------
# ORCH-043 / TC-25: merge-gate settings defaults + env override.
# ---------------------------------------------------------------------------
_MERGE_ENV = (
"ORCH_MERGE_GATE_ENABLED",
"ORCH_MERGE_GATE_REPOS",
"ORCH_MERGE_RETEST_TIMEOUT_S",
"ORCH_MERGE_RETEST_TARGET",
"ORCH_MERGE_LOCK_TIMEOUT_S",
"ORCH_MERGE_DEFER_DELAY_S",
"ORCH_MERGE_DEFER_MAX_ATTEMPTS",
)
def test_merge_gate_settings_defaults(monkeypatch):
"""TC-25 / AC-10: documented defaults when no env is set."""
for name in _MERGE_ENV:
monkeypatch.delenv(name, raising=False)
s = Settings()
assert s.merge_gate_enabled is True
assert s.merge_gate_repos == ""
assert s.merge_retest_timeout_s == 600
assert s.merge_retest_target == "tests/"
assert s.merge_lock_timeout_s == 300
assert s.merge_defer_delay_s == 60
assert s.merge_defer_max_attempts == 5
def test_merge_gate_settings_env_override(monkeypatch):
"""TC-25 / AC-10: each field is read from its ORCH_* env var."""
monkeypatch.setenv("ORCH_MERGE_GATE_ENABLED", "false")
monkeypatch.setenv("ORCH_MERGE_GATE_REPOS", "orchestrator,enduro-trails")
monkeypatch.setenv("ORCH_MERGE_RETEST_TIMEOUT_S", "120")
monkeypatch.setenv("ORCH_MERGE_RETEST_TARGET", "tests/unit")
monkeypatch.setenv("ORCH_MERGE_LOCK_TIMEOUT_S", "90")
monkeypatch.setenv("ORCH_MERGE_DEFER_DELAY_S", "5")
monkeypatch.setenv("ORCH_MERGE_DEFER_MAX_ATTEMPTS", "9")
s = Settings()
assert s.merge_gate_enabled is False
assert s.merge_gate_repos == "orchestrator,enduro-trails"
assert s.merge_retest_timeout_s == 120
assert s.merge_retest_target == "tests/unit"
assert s.merge_lock_timeout_s == 90
assert s.merge_defer_delay_s == 5
assert s.merge_defer_max_attempts == 9
# ---------------------------------------------------------------------------
# ORCH-053 / TC-22: reconcile_* settings defaults + env override.
# ---------------------------------------------------------------------------
_RECONCILE_ENV = (
"ORCH_RECONCILE_ENABLED",
"ORCH_RECONCILE_INTERVAL_S",
"ORCH_RECONCILE_PLANE_ENABLED",
"ORCH_RECONCILE_GRACE_DEFAULT_S",
"ORCH_RECONCILE_GRACE_OVERRIDES_JSON",
"ORCH_RECONCILE_NOTIFY_UNBLOCK",
)
def test_reconcile_settings_defaults(monkeypatch):
"""TC-22 / AC-13: documented defaults when no env is set."""
for name in _RECONCILE_ENV:
monkeypatch.delenv(name, raising=False)
s = Settings()
assert s.reconcile_enabled is True
assert s.reconcile_interval_s == 120
assert s.reconcile_plane_enabled is True
assert s.reconcile_grace_default_s == 600
assert s.reconcile_grace_overrides_json == ""
assert s.reconcile_notify_unblock is True
def test_reconcile_settings_env_override(monkeypatch):
"""TC-22 / AC-13: each field is read from its ORCH_* env var."""
monkeypatch.setenv("ORCH_RECONCILE_ENABLED", "false")
monkeypatch.setenv("ORCH_RECONCILE_INTERVAL_S", "300")
monkeypatch.setenv("ORCH_RECONCILE_PLANE_ENABLED", "false")
monkeypatch.setenv("ORCH_RECONCILE_GRACE_DEFAULT_S", "900")
monkeypatch.setenv("ORCH_RECONCILE_GRACE_OVERRIDES_JSON", '{"development": 300}')
monkeypatch.setenv("ORCH_RECONCILE_NOTIFY_UNBLOCK", "false")
s = Settings()
assert s.reconcile_enabled is False
assert s.reconcile_interval_s == 300
assert s.reconcile_plane_enabled is False
assert s.reconcile_grace_default_s == 900
assert s.reconcile_grace_overrides_json == '{"development": 300}'
assert s.reconcile_notify_unblock is False
# ---------------------------------------------------------------------------
# ORCH-058 / TC-13: image-freshness settings defaults + env override.
# ---------------------------------------------------------------------------
_FRESH_ENV = (
"ORCH_IMAGE_FRESHNESS_ENABLED",
"ORCH_IMAGE_FRESHNESS_REPOS",
)
def test_image_freshness_settings_defaults(monkeypatch):
"""TC-13 / AC-9: kill-switch ON by default, empty CSV (self-hosting only)."""
for name in _FRESH_ENV:
monkeypatch.delenv(name, raising=False)
s = Settings()
assert s.image_freshness_enabled is True
assert s.image_freshness_repos == ""
def test_image_freshness_settings_env_override(monkeypatch):
"""TC-13 / AC-9: each field is read from its ORCH_* env var."""
monkeypatch.setenv("ORCH_IMAGE_FRESHNESS_ENABLED", "false")
monkeypatch.setenv("ORCH_IMAGE_FRESHNESS_REPOS", "orchestrator,enduro-trails")
s = Settings()
assert s.image_freshness_enabled is False
assert s.image_freshness_repos == "orchestrator,enduro-trails"
# ---------------------------------------------------------------------------
# ORCH-061 / TC-09: staging_infra_tolerance_enabled kill-switch (AC-7).
# ---------------------------------------------------------------------------
def test_staging_infra_tolerance_defaults_true(monkeypatch):
"""TC-09 / AC-7: the kill-switch defaults ON (safe default — the safety net
holds regardless; the flag exists to restore legacy strictness instantly)."""
monkeypatch.delenv("ORCH_STAGING_INFRA_TOLERANCE_ENABLED", raising=False)
assert Settings().staging_infra_tolerance_enabled is True
def test_staging_infra_tolerance_env_override_false(monkeypatch):
"""TC-09 / AC-7: ORCH_STAGING_INFRA_TOLERANCE_ENABLED=false -> strict (1:1
pre-ORCH-061: infra-only FAIL again rolls back)."""
monkeypatch.setenv("ORCH_STAGING_INFRA_TOLERANCE_ENABLED", "false")
assert Settings().staging_infra_tolerance_enabled is False
def test_staging_infra_tolerance_env_override_true(monkeypatch):
"""The field is read verbatim from its ORCH_* env var."""
monkeypatch.setenv("ORCH_STAGING_INFRA_TOLERANCE_ENABLED", "true")
assert Settings().staging_infra_tolerance_enabled is True
# ---------------------------------------------------------------------------
# ORCH-065 / TC-20: reaper_* + lease_reclaim_* settings defaults + env override.
# ---------------------------------------------------------------------------
_REAPER_ENV = (
"ORCH_REAPER_ENABLED",
"ORCH_REAPER_INTERVAL_S",
"ORCH_REAPER_DEAD_TICKS",
"ORCH_REAPER_MAX_RUNNING_S",
"ORCH_LEASE_RECLAIM_ENABLED",
)
def test_reaper_settings_defaults(monkeypatch):
"""TC-20 / §5: documented defaults when no env is set."""
for name in _REAPER_ENV:
monkeypatch.delenv(name, raising=False)
s = Settings()
assert s.reaper_enabled is True
assert s.reaper_interval_s == 60
assert s.reaper_dead_ticks == 2
assert s.reaper_max_running_s == 3600
assert s.lease_reclaim_enabled is True
def test_reaper_settings_env_override(monkeypatch):
"""TC-20 / §5 / AC-14: each field is read from its ORCH_* env var."""
monkeypatch.setenv("ORCH_REAPER_ENABLED", "false")
monkeypatch.setenv("ORCH_REAPER_INTERVAL_S", "30")
monkeypatch.setenv("ORCH_REAPER_DEAD_TICKS", "5")
monkeypatch.setenv("ORCH_REAPER_MAX_RUNNING_S", "1200")
monkeypatch.setenv("ORCH_LEASE_RECLAIM_ENABLED", "false")
s = Settings()
assert s.reaper_enabled is False
assert s.reaper_interval_s == 30
assert s.reaper_dead_ticks == 5
assert s.reaper_max_running_s == 1200
assert s.lease_reclaim_enabled is False
# ---------------------------------------------------------------------------
# ORCH-065 / TC-19: contracts unchanged — no new stages / QG checks; the
# check_branch_mergeable signature is intact (AC-13).
# ---------------------------------------------------------------------------
def test_tc19_stage_transitions_unchanged():
"""No new pipeline EDGE was introduced by ORCH-065.
ORCH-090 (adr-0026) adds `cancelled` as a terminal SINK (parallel to `done`),
which is not a new edge — no exit-gate of any edge changed.
"""
from src.stages import STAGE_TRANSITIONS
assert set(STAGE_TRANSITIONS) == {
"created", "analysis", "architecture", "development", "review",
"testing", "deploy-staging", "deploy", "done", "cancelled",
}
def test_tc19_qg_checks_registry_unchanged():
"""No new quality-gate check was added to the registry by ORCH-065."""
from src.qg.checks import QG_CHECKS
assert set(QG_CHECKS) == {
"check_analysis_approved",
"check_analysis_complete",
"check_architecture_done",
"check_ci_green",
"check_review_approved",
"check_tests_passed",
"check_reviewer_verdict",
"check_tests_local",
"check_deploy_status",
"check_staging_status",
"check_branch_mergeable",
"check_staging_image_fresh",
"check_security_gate",
"check_coverage_gate",
}
def test_tc19_check_branch_mergeable_signature_intact():
"""check_branch_mergeable still takes exactly (repo, work_item_id, branch)."""
import inspect
from src.qg.checks import check_branch_mergeable
params = list(inspect.signature(check_branch_mergeable).parameters)
assert params == ["repo", "work_item_id", "branch"]
# ---------------------------------------------------------------------------
# ORCH-093 / TC-13: merge_retry_* settings defaults + env override (AC-5).
# ---------------------------------------------------------------------------
_MERGE_RETRY_ENV = (
"ORCH_MERGE_RETRY_ENABLED",
"ORCH_MERGE_RETRY_MAX_ATTEMPTS",
"ORCH_MERGE_RETRY_BACKOFF_BASE_S",
"ORCH_MERGE_RETRY_BACKOFF_MAX_S",
)
def test_merge_retry_settings_defaults(monkeypatch):
"""Documented defaults when no ORCH_MERGE_RETRY_* env is set."""
for name in _MERGE_RETRY_ENV:
monkeypatch.delenv(name, raising=False)
s = Settings()
assert s.merge_retry_enabled is True
assert s.merge_retry_max_attempts == 3
assert s.merge_retry_backoff_base_s == 2
assert s.merge_retry_backoff_max_s == 5
def test_merge_retry_settings_env_override(monkeypatch):
"""Each field is read from its ORCH_MERGE_RETRY_* env var."""
monkeypatch.setenv("ORCH_MERGE_RETRY_ENABLED", "false")
monkeypatch.setenv("ORCH_MERGE_RETRY_MAX_ATTEMPTS", "5")
monkeypatch.setenv("ORCH_MERGE_RETRY_BACKOFF_BASE_S", "1")
monkeypatch.setenv("ORCH_MERGE_RETRY_BACKOFF_MAX_S", "8")
s = Settings()
assert s.merge_retry_enabled is False
assert s.merge_retry_max_attempts == 5
assert s.merge_retry_backoff_base_s == 1
assert s.merge_retry_backoff_max_s == 8
# ---------------------------------------------------------------------------
# ORCH-094: deploy_status_guard_* settings defaults + env override.
# ---------------------------------------------------------------------------
_DEPLOY_GUARD_ENV = (
"ORCH_DEPLOY_STATUS_GUARD_ENABLED",
"ORCH_DEPLOY_STATUS_GUARD_REPOS",
)
def test_deploy_status_guard_settings_defaults(monkeypatch):
"""Documented defaults: enabled True, repos empty (self-hosting only)."""
for name in _DEPLOY_GUARD_ENV:
monkeypatch.delenv(name, raising=False)
s = Settings()
assert s.deploy_status_guard_enabled is True
assert s.deploy_status_guard_repos == ""
def test_deploy_status_guard_settings_env_override(monkeypatch):
"""Each field is read from its ORCH_DEPLOY_STATUS_GUARD_* env var."""
monkeypatch.setenv("ORCH_DEPLOY_STATUS_GUARD_ENABLED", "false")
monkeypatch.setenv("ORCH_DEPLOY_STATUS_GUARD_REPOS", "orchestrator,enduro-trails")
s = Settings()
assert s.deploy_status_guard_enabled is False
assert s.deploy_status_guard_repos == "orchestrator,enduro-trails"