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#!/usr/bin/env python3

"""Guard that WASM CI overrides .bazelrc's -e2e filter so Playwright runs."""

from __future__ import annotations

import re

import unittest

from pathlib import Path

def _repo_root(start: Path | None = None) -> Path:

# Do not Path.resolve() — under `bazel test` this file is often a runfiles

# symlink into the execroot/source tree, and resolving leaves the runfiles

# tree where //.github/workflows and other data deps live.

here = (start or Path(__file__)).absolute()

for parent in here.parents:

workflows = parent / ".github" / "workflows"

if workflows.is_dir() and any(workflows.glob("ci_*.yml")):

return parent

raise AssertionError("could not locate repository root from test file path")

class TestBazelrcSkipsE2eByDefault(unittest.TestCase):

def test_bazelrc_excludes_e2e_tag(self) -> None:

bazelrc = (_repo_root() / ".bazelrc").read_text(encoding="utf-8")

self.assertRegex(

bazelrc,

r"(?m)^test\s+--test_tag_filters=-e2e\b",

"expected default test config to skip e2e (Playwright) targets",

)

class TestWasmCiRunsE2e(unittest.TestCase):

def test_ci_wasm_clears_e2e_tag_filter(self) -> None:

"""web_system_tests includes dds_mvp_e2e_test; CI must not inherit -e2e."""

text = (_repo_root() / ".github" / "workflows" / "ci_wasm.yml").read_text(

encoding="utf-8"

)

# Empty --test_tag_filters= overrides .bazelrc's -e2e so tagged tests run.

self.assertRegex(

text,

r"bazelisk\s+test\b[^\n]*--test_tag_filters=(?:\s|$)",

"ci_wasm.yml must pass empty --test_tag_filters= to run e2e targets",

)

self.assertRegex(

text,

r"bazelisk\s+test\b[^\n]*//web:web_tests\b",

"expected WASM CI to keep running //web:web_tests",

)

self.assertRegex(

text,

r"bazelisk\s+test\b[^\n]*//web:web_system_tests\b",

"expected WASM CI to keep running //web:web_system_tests (includes e2e)",

)

# Ensure we did not reintroduce an -e2e exclusion on the same invocation.

for match in re.finditer(r"bazelisk\s+test\b[^\n]+", text):

line = match.group(0)

if "--test_tag_filters=" in line:

self.assertNotRegex(

line,

r"--test_tag_filters=[^\n]*-e2e\b",

"WASM CI test invocation must not exclude the e2e tag",

)

if __name__ == "__main__":

unittest.main()