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cc-ci/tests/unit/test_level.py
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feat(harness): intentional skips + custom-html-tiny functional test; 4-rung ladder (#6)
Declare intentional skips + custom-html-tiny functional test; 4-rung level ladder

- recipe_meta.EXPECTED_NA = {rung: reason} lists intentionally-skipped rungs; any
  essential rung skipped and not listed is unintentional. Skips still cap the level
  (never inflate). results.json: skips:{intentional,unintentional} + level_cap_rung.
- Level ladder = the four essential rungs (install, upgrade, backup/restore,
  functional; top = L4). integration & recipe-local are optional, not leveled
  (SSO still enforced for the run verdict, unchanged).
- Card shows skipped rungs as INTENTIONAL SKIP (green, reason below) / UNINTENTIONAL
  SKIP (amber); level badge gains an expected/gap? third segment.
- custom-html-tiny: functional serve test (exact-byte round-trip + 404); declares
  backup_restore intentionally skipped (stateless static server).

Independently verified by the adversary: 138 unit tests pass cold; live full-stage
run on custom-html-tiny green (upgrade tier ran; level 2; correct skips/badge);
clean teardown.
2026-06-09 03:12:11 +00:00

129 lines
3.7 KiB
Python

"""Unit tests for the Phase-3 level ladder (harness.level), plan-phase3-results-ux.md §4.1 / R1.
Pure function — no I/O. Proves the YunoHost gap-caps-the-level semantics, including the U0 gate
acceptance: a recipe that climbs through L4 reports 4, and one that fails at L2 is capped at 1
(the level just below the failed rung). Run cold with: cc-ci-run -m pytest tests/unit/test_level.py -q
"""
from __future__ import annotations
import os
import sys
sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "..", "runner"))
from harness import level as L # noqa: E402
def _rungs(
install="pass",
upgrade="pass",
backup_restore="pass",
functional="pass",
):
return {
"install": install,
"upgrade": upgrade,
"backup_restore": backup_restore,
"functional": functional,
}
# ---- the ladder: four essential rungs, top is L4 (functional) ----
def test_full_clean_climb_to_L4():
# All four essential rungs pass → L4 (the top; integration/recipe-local are optional, not leveled).
lvl, reason = L.compute_level(_rungs())
assert lvl == 4
assert reason == ""
def test_fails_at_L2_capped_at_L1():
# GATE: upgrade fails → capped at L1 even though higher rungs would pass.
lvl, reason = L.compute_level(_rungs(upgrade="fail", backup_restore="pass", functional="pass"))
assert lvl == 1
assert "L2" in reason and "FAILED" in reason
# ---- L0 / install ----
def test_install_fail_is_L0():
lvl, reason = L.compute_level(_rungs(install="fail"))
assert lvl == 0
assert "L1" in reason and "FAILED" in reason
# ---- gap-caps semantics: a higher pass can't rescue a lower gap ----
def test_higher_pass_does_not_rescue_lower_na():
# backup/restore N/A (stateless app) caps at L2 even though functional would pass.
lvl, reason = L.compute_level(_rungs(backup_restore="na", functional="pass"))
assert lvl == 2
assert "L3" in reason and "N/A" in reason
def test_upgrade_na_caps_at_L1():
# only one published version → no upgrade possible → N/A caps at L1 (upgrade is essential).
lvl, reason = L.compute_level(_rungs(upgrade="na"))
assert lvl == 1
assert "L2" in reason and "N/A" in reason
def test_functional_na_caps_at_L3():
# no recipe-specific functional tests → functional N/A caps at L3.
lvl, reason = L.compute_level(_rungs(functional="na"))
assert lvl == 3
assert "L4" in reason and "N/A" in reason
def test_functional_fail_caps_at_L3():
lvl, reason = L.compute_level(_rungs(functional="fail"))
assert lvl == 3
assert "L4" in reason and "FAILED" in reason
# ---- input validation ----
def test_invalid_status_raises():
bad = _rungs()
bad["functional"] = "passed" # not in the vocabulary
try:
L.compute_level(bad)
except ValueError:
return
raise AssertionError("expected ValueError on invalid rung status")
# ---- helpers: backup_restore_status ----
def test_backup_restore_status_pass():
assert L.backup_restore_status("pass", "pass", True) == "pass"
def test_backup_restore_status_not_capable_is_na():
assert L.backup_restore_status("skip", "skip", False) == "na"
def test_backup_restore_status_fail_on_either():
assert L.backup_restore_status("pass", "fail", True) == "fail"
assert L.backup_restore_status("fail", "pass", True) == "fail"
def test_backup_restore_partial_is_na():
# backup-capable but restore didn't run cleanly (not pass, not fail) → cannot claim L3
assert L.backup_restore_status("pass", "skip", True) == "na"
# ---- helpers: tier_to_rung ----
def test_tier_to_rung_mapping():
assert L.tier_to_rung("pass") == "pass"
assert L.tier_to_rung("fail") == "fail"
assert L.tier_to_rung("skip") == "na"
assert L.tier_to_rung(None) == "na"