def test_evaluate_nix_expression_raises_exception_when_executable_not_found(
logger):
nix = Nix(executable_directory="/does-not-exist", logger=logger)
with pytest.raises(ExecutableNotFound):
nix.evaluate_expression("true")
def expression_evaluater(nix: Nix):
return lambda expression: nix.evaluate_expression(
"let pkgs = import <nixpkgs> {}; in " + expression)
def test_can_evaluate_nix_expression(network_file: NetworkFile, nix: Nix):
expression = f"let pkgs = import <nixpkgs> {{}}; in {network_file.nix_expression()}"
nix.evaluate_expression(expression)
def expression_evaluater(logger):
nix_instance = Nix(logger=logger)
return lambda expression: nix_instance.evaluate_expression(
"let pkgs = import <nixpkgs> {}; in " + expression
)