from click.testing import CliRunner

from xexe.cli import get_rates


def test_get_rates_reads_input_correctly():

    runner = CliRunner()

    run_result = runner.invoke(
        get_rates,
        [
            "--start-date",
            "2024-01-01",
            "--end-date",
            "2024-01-02",
            "--currencies",
            "USD,GBP",
            "--output",
            "test_output.csv",
            "--dry-run",
        ],
    )

    assert run_result.exit_code == 0


def test_get_rates_works_with_defaults():
    runner = CliRunner()
    result = runner.invoke(get_rates, ["--output", "test_output.csv"])
    assert result.exit_code == 0


def test_get_rates_breaks_without_output():
    runner = CliRunner()
    result = runner.invoke(get_rates)
    assert result.exit_code == 2