Function test_file_lazy_mode

tests/test_basic.py:358–395

(runner)

def test_file_lazy_mode(runner):
    do_io = False

    @click.command()
    @click.option("--file", type=click.File("w"))
    def input(file):
        if do_io:
            file.write("Hello World!\n")

    @click.command()
    @click.option("--file", type=click.File("r"))
    def output(file):
        pass

    with runner.isolated_filesystem():
        os.mkdir("example.txt")

        do_io = True
        result_in = runner.invoke(input, ["--file=example.txt"])
        assert result_in.exit_code == 1

        do_io = False
        result_in = runner.invoke(input, ["--file=example.txt"])
        assert result_in.exit_code == 0

        result_out = runner.invoke(output, ["--file=example.txt"])
        assert result_out.exception

    @click.command()
    @click.option("--file", type=click.File("w", lazy=False))
    def input_non_lazy(file):
        file.write("Hello World!\n")

    with runner.isolated_filesystem():
        os.mkdir("example.txt")
        result_in = runner.invoke(input_non_lazy, ["--file=example.txt"])
        assert result_in.exit_code == 2
        assert "Invalid value for '--file': 'example.txt'" in result_in.output


def test_path_option(runner):