def test_can_evaluate_expression_of_fetched_file(logger: Logger, nix: Nix) -> None: test_file = UrlTextFile( url= "https://raw.githubusercontent.com/nix-community/pypi2nix/6fe6265b62b53377b4677a39c6ee48550c1f2186/.gitignore", logger=logger, name="testname", ) nix.build_expression( expression= f"let pkgs = import <nixpkgs> {{}}; in {test_file.nix_expression() }")
def test_fetch_content_equals_file_content_from_nix_expression( network_file: NetworkFile, nix: Nix): fetch_content = network_file.fetch() nix_expression = "with builtins;" nix_expression += "let pkgs = import <nixpkgs> {};" nix_expression += f"fileContent = readFile ({network_file.nix_expression()});" nix_expression += " in " nix_expression += 'pkgs.writeTextFile { name = "test"; text = fileContent; }' with tempfile.TemporaryDirectory() as target_directory: target_file = os.path.join(target_directory, "result") nix.build_expression(nix_expression, out_link=target_file) with open(target_file) as f: nix_content = f.read() assert nix_content == fetch_content