Files
forgefirm/forgetest/tests/test_manifest.py
T
ScottW514 335c6dea9d forgetest: non-behavioral paths outside every fingerprint; hollow covers fail the lint
The coverage lint already allowed docs, CI, unit tests and licenses to
go uncovered; the same list now keeps them out of every fingerprint,
so a README edit in any component re-requires nothing. The list moves
to the manifest module as NON_BEHAVIORAL, the one place both uses read
it. And a coverage entry that selects no file of its component (a glob
without the recipe's subdirectory, a component the manifest lacks, a
glob naming docs only) fails the lint: such an entry covers nothing and
the test's fingerprint ignores the file it meant. The contract says
both. Every test whose maps reached a doc or a test file gets a new
fingerprint once.
2026-08-23 12:54:55 -04:00

261 lines
11 KiB
Python

import os
import unittest
import helpers
from forgetest import manifest as m
from forgetest import catalog
class GlobTests(unittest.TestCase):
def test_star_and_doublestar(self):
rx = m.glob_to_regex("src/*.c")
self.assertTrue(rx.match("src/main.c"))
self.assertFalse(rx.match("src/sub/main.c"))
rx = m.glob_to_regex("src/**")
self.assertTrue(rx.match("src/main.c"))
self.assertTrue(rx.match("src/sub/deep/x.h"))
self.assertFalse(rx.match("docs/x"))
rx = m.glob_to_regex("**/*.md")
self.assertTrue(rx.match("README.md"))
self.assertTrue(rx.match("docs/a/b.md"))
self.assertFalse(rx.match("docs/a/b.txt"))
rx = m.glob_to_regex("**")
self.assertTrue(rx.match("anything/at/all"))
rx = m.glob_to_regex("src/gfcool*")
self.assertTrue(rx.match("src/gfcool_client.c"))
self.assertFalse(rx.match("src/x/gfcool.c"))
def test_question_mark_and_escaping(self):
rx = m.glob_to_regex("a?c.d")
self.assertTrue(rx.match("abc.d"))
self.assertFalse(rx.match("abcxd"))
self.assertFalse(rx.match("a/c.d"))
class FingerprintTests(unittest.TestCase):
def setUp(self):
self.man = helpers.make_manifest()
def test_stable_and_order_independent(self):
c1 = [("forgectrl", "src/ui.c"), ("forgectrl", "src/auth.c")]
c2 = list(reversed(c1))
self.assertEqual(m.fingerprint(self.man, c1), m.fingerprint(self.man, c2))
self.assertEqual(m.fingerprint(self.man, c1), m.fingerprint(self.man, c1))
def test_changes_only_when_covered_file_changes(self):
covers = [("forgectrl", "src/ui.c")]
base = m.fingerprint(self.man, covers)
other = helpers.with_file(self.man, "forgectrl", "src/cool.c", "cool v2")
self.assertEqual(base, m.fingerprint(other, covers), "an uncovered change must not move the fingerprint")
changed = helpers.with_file(self.man, "forgectrl", "src/ui.c", "ui v2")
self.assertNotEqual(base, m.fingerprint(changed, covers))
added = helpers.with_file(self.man, "forgectrl", "src/ui_extra.c", "new")
self.assertEqual(base, m.fingerprint(added, covers), "an unmatched new file does not move it")
added2 = helpers.with_file(self.man, "forgectrl", "src/x.c", "new")
self.assertNotEqual(base, m.fingerprint(added2, [("forgectrl", "src/*.c")]))
def test_platform_is_always_in(self):
covers = [("forgectrl", "src/ui.c")]
base = m.fingerprint(self.man, covers)
p2 = helpers.with_platform(self.man, dtb={"glowforge.dtb": "e" * 64})
self.assertNotEqual(base, m.fingerprint(p2, covers))
p3 = helpers.with_platform(self.man, layers={"meta-forgefirm": {"content_sha256": "2" * 64},
"poky": {"rev": "p" * 40}})
self.assertNotEqual(base, m.fingerprint(p3, covers))
def test_kernel_pseudo_files(self):
covers = [("linux-fslc", "**")]
base = m.fingerprint(self.man, covers)
k2 = helpers.with_file(self.man, "linux-fslc", "@config", "cfg2")
self.assertNotEqual(base, m.fingerprint(k2, covers))
def test_missing_component_marker(self):
f1 = m.fingerprint(self.man, [("nonexistent", "**")])
f2 = m.fingerprint(self.man, [("forgectrl", "nothing-matches-*")])
self.assertNotEqual(f1, f2)
def test_dev_only_refused(self):
with self.assertRaises(ValueError):
m.fingerprint(self.man, [("forgetest", "**")])
def test_extra_folds_in(self):
covers = [("forgectrl", "src/ui.c")]
self.assertNotEqual(m.fingerprint(self.man, covers, extra=["a"]),
m.fingerprint(self.man, covers, extra=["b"]))
def test_submodule_gitlink_and_files(self):
covers = [("grblhal-glowforge", "src/grbl/**")]
base = m.fingerprint(self.man, covers)
core = helpers.with_file(self.man, "grblhal-glowforge", "src/grbl/core.c", "core v2")
self.assertNotEqual(base, m.fingerprint(core, covers))
link = [("grblhal-glowforge", "src/grbl")]
self.assertEqual(m.fingerprint(self.man, link), m.fingerprint(core, link),
"the gitlink alone does not see a file-level change (fixture keeps the link id)")
def test_identity_sha_ignores_dev_only(self):
a = self.man.identity_sha()
b = helpers.with_file(self.man, "forgetest", "forgetest/x.py", "changed").identity_sha()
self.assertEqual(a, b)
c = helpers.with_file(self.man, "forgectrl", "src/ui.c", "changed").identity_sha()
self.assertNotEqual(a, c)
class CoverageReportTests(unittest.TestCase):
def test_report(self):
man = helpers.make_manifest()
t1 = helpers.make_test("a.one", [("forgectrl", "src/ui.c"), ("forgectrl", "src/auth.c")])
t2 = helpers.make_test("a.two", [("grblhal-glowforge", "**"), ("kernel-module-glowforge", "**"),
("linux-fslc", "**")])
rep = m.coverage_report(man, [t1, t2], allow=[("*", "**/*.md")])
self.assertEqual(set(rep), {"forgectrl"})
self.assertEqual(rep["forgectrl"], ["src/cool.c", "src/main.c"])
rep2 = m.coverage_report(man, [t1, t2, helpers.make_test("a.three", [("forgectrl", "src/**")])],
allow=[("*", "**/*.md")])
self.assertEqual(rep2, {})
self.assertNotIn("forgetest", m.coverage_report(man, [], allow=[]),
"dev-only components are outside the report")
def test_non_behavioral_paths_are_outside_every_fingerprint(self):
man = helpers.make_manifest()
t = helpers.make_test("a.one", [("forgectrl", "**")])
a = m.fingerprint(man, t.covers)
for comp, path in (("forgectrl", "README.md"), ("forgectrl", "docs/SERVICES.md"),
("forgectrl", "tests/test_x.py"), ("forgectrl", ".github/workflows/ci.yml")):
self.assertEqual(a, m.fingerprint(helpers.with_file(man, comp, path, "changed"), t.covers),
path)
self.assertNotEqual(a, m.fingerprint(helpers.with_file(man, "forgectrl", "src/ui.c", "changed"),
t.covers))
self.assertTrue(m.non_behavioral("forgectrl", "tools/devserver.py"))
self.assertFalse(m.non_behavioral("grblhal-glowforge", "tools/devserver.py"))
def test_an_entry_that_selects_nothing_is_reported(self):
man = helpers.make_manifest()
good = helpers.make_test("a.one", [("forgectrl", "src/ui.c")])
# the recipe's subdirectory left out of the glob, and an unknown component
bad = helpers.make_test("a.two", [("forgectrl", "ui.c"), ("no-such", "**")])
self.assertEqual(m.empty_covers(man, [good]), [])
self.assertEqual(m.empty_covers(man, [good, bad]),
[("a.two", "forgectrl", "ui.c"), ("a.two", "no-such", "**")])
# a glob that selects docs only names nothing any fingerprint carries
docs = helpers.make_test("a.three", [("forgectrl", "**/*.md")])
self.assertEqual(m.empty_covers(man, [docs]), [("a.three", "forgectrl", "**/*.md")])
class CatalogTests(unittest.TestCase):
def test_catalog_hash_is_definition_only(self):
r1 = helpers.registry(helpers.make_test("a.one", [("forgectrl", "src/ui.c")]))
r2 = helpers.registry(helpers.make_test("a.one", [("forgectrl", "src/ui.c")], fn=lambda ctx: 1))
self.assertEqual(catalog.catalog_hash(r1), catalog.catalog_hash(r2))
r3 = helpers.registry(helpers.make_test("a.one", [("forgectrl", "src/**")]))
self.assertNotEqual(catalog.catalog_hash(r1), catalog.catalog_hash(r3))
r4 = helpers.registry(helpers.make_test("a.one", [("forgectrl", "src/ui.c")], always=True))
self.assertNotEqual(catalog.catalog_hash(r1), catalog.catalog_hash(r4))
def test_validate(self):
r = helpers.registry(helpers.make_test("a.one", [], requires=("a.two",)))
with self.assertRaises(ValueError):
catalog.validate(r)
r = helpers.registry(helpers.make_test("a.one", [], requires=("a.two",)),
helpers.make_test("a.two", [], requires=("a.one",)))
with self.assertRaises(ValueError):
catalog.validate(r)
def test_decorator_rules(self):
with self.assertRaises(ValueError):
catalog.test("bad id", title="x", subsystem="s")(lambda c: None)
with self.assertRaises(ValueError):
catalog.test("s.x", title="x", subsystem="s", covers=[("forgetest", "**")])(lambda c: None)
def test_real_suite_loads_and_validates(self):
reg = catalog.load_suite()
self.assertIn("image.health", reg)
self.assertTrue(reg["image.health"].always)
catalog.validate(reg)
for t in catalog.all_tests(reg):
self.assertEqual(len(t.source_sha), 64)
if __name__ == "__main__":
unittest.main()
class ImplementationHashTests(unittest.TestCase):
"""A test's implementation hash is its own function plus the code its
module shares: a body edit moves one test, a helper edit moves them
all, and a file without @test functions hashes whole."""
MODULE = '''"""a suite module"""
from forgetest.catalog import test
def helper(x):
return x + 1
@test("m.one", title="one", subsystem="m")
def one(ctx):
ctx.log(helper(1))
@test("m.two", title="two", subsystem="m",
steps=["a step"])
def two(ctx):
ctx.log(helper(2))
'''
def setUp(self):
import tempfile
self.tmp = tempfile.mkdtemp(prefix="forgetest-impl-")
self.path = os.path.join(self.tmp, "mod.py")
self.write(self.MODULE)
def tearDown(self):
import shutil
shutil.rmtree(self.tmp, ignore_errors=True)
def write(self, text):
catalog._PARTS.pop(self.path, None)
with open(self.path, "w", newline="\n") as f:
f.write(text)
def shas(self):
return catalog.implementation_sha(self.path, "m.one"), catalog.implementation_sha(self.path, "m.two")
def test_a_body_edit_moves_that_test_only(self):
a1, b1 = self.shas()
self.write(self.MODULE.replace("ctx.log(helper(2))", "ctx.log(helper(3))"))
a2, b2 = self.shas()
self.assertEqual(a1, a2)
self.assertNotEqual(b1, b2)
def test_a_decorator_edit_moves_that_test_only(self):
a1, b1 = self.shas()
self.write(self.MODULE.replace('steps=["a step"]', 'steps=["another step"]'))
a2, b2 = self.shas()
self.assertEqual(a1, a2)
self.assertNotEqual(b1, b2)
def test_a_helper_edit_moves_every_test_of_the_module(self):
a1, b1 = self.shas()
self.write(self.MODULE.replace("return x + 1", "return x + 2"))
a2, b2 = self.shas()
self.assertNotEqual(a1, a2)
self.assertNotEqual(b1, b2)
def test_line_endings_do_not_count(self):
a1, b1 = self.shas()
catalog._PARTS.pop(self.path, None)
with open(self.path, "wb") as f:
f.write(self.MODULE.replace("\n", "\r\n").encode())
self.assertEqual((a1, b1), self.shas())
def test_an_unknown_id_hashes_the_whole_file(self):
self.assertEqual(catalog.implementation_sha(self.path, "m.none"), catalog.source_file_sha(self.path))
def test_every_suite_test_is_spanned(self):
import inspect
reg = catalog.load_suite()
for t in catalog.all_tests(reg):
path = inspect.getsourcefile(t.fn)
self.assertIn(t.id, catalog.module_parts(path)[1], t.id)