async def determine_shunit2_shell(request: Shunit2RunnerRequest,
shell_setup: ShellSetup) -> Shunit2Runner:
if request.shell_field.value is not None:
tgt_shell = Shunit2Shell(request.shell_field.value)
else:
parse_result = Shunit2Shell.parse_shebang(
request.test_file_content.content)
if parse_result is None:
raise ShellNotConfigured(
f"Could not determine which shell to use to run shunit2 on {request.address}.\n\n"
f"Please either specify the `{Shunit2ShellField.alias}` field or add a "
f"shebang to {request.test_file_content.path} with one of the supported shells in "
f"the format `!#/path/to/shell` or `!#/path/to/env shell`"
f"(run `./pants help {Shunit2Tests.alias}` for valid shells).")
tgt_shell = parse_result
env = await Get(Environment, EnvironmentRequest(["PATH"]))
path_request = BinaryPathRequest(
binary_name=tgt_shell.name,
search_path=shell_setup.executable_search_path(env),
test=tgt_shell.binary_path_test,
)
paths = await Get(BinaryPaths, BinaryPathRequest, path_request)
first_path = paths.first_path
if not first_path:
raise BinaryNotFoundError(
path_request, rationale=f"run shunit2 on {request.address}")
return Shunit2Runner(tgt_shell, first_path)
def test_shunit2_shell_parse_shebang(content: bytes,
expected: Shunit2Shell | None) -> None:
result = Shunit2Shell.parse_shebang(content)
if expected is None:
assert result is None
else:
assert result == expected