test_download_error_permission_denied() — langchain Function Reference

Source Code

libs/standard-tests/langchain_tests/integration_tests/sandboxes.py lines 314–338

    def test_download_error_permission_denied(
        self, sandbox_backend: SandboxBackendProtocol
    ) -> None:
        """Downloading a chmod 000 file should fail with a reasonable error code."""
        if not self.has_sync:
            pytest.skip("Sync tests not supported.")

        test_path = "/tmp/test_no_read.txt"
        sandbox_backend.execute(
            f"rm -f {test_path} && echo secret > {test_path} && chmod 000 {test_path}"
        )

        try:
            responses = sandbox_backend.download_files([test_path])
        finally:
            sandbox_backend.execute(f"chmod 644 {test_path} || true")

        assert len(responses) == 1
        assert responses[0].path == test_path
        assert responses[0].content is None
        assert responses[0].error in {
            "permission_denied",
            "file_not_found",
            "invalid_path",
        }