"""Unit tests: choose_template_cmd"""
import pytest


@pytest.mark.parametrize('label', ['', 'builtin', 'other'])
@pytest.mark.parametrize('awk', [True, False], ids=['awk', 'no-awk'])
def test_kind_builtin(runner, yadm, awk, label):
    """Test kind: builtin"""

    expected = 'template_builtin'
    awk_avail = 'true'

    if not awk:
        awk_avail = 'false'
        expected = ''

    if label == 'other':
        expected = ''

    script = f"""
        YADM_TEST=1 source {yadm}
        function awk_available {{ { awk_avail}; }}
        template="$(choose_template_cmd "{label}")"
        echo "TEMPLATE:$template"
    """
    run = runner(command=['bash'], inp=script)
    assert run.success
    assert run.err == ''
    assert f'TEMPLATE:{expected}\n' in run.out


@pytest.mark.parametrize('label', ['envtpl', 'j2cli', 'j2', 'other'])
@pytest.mark.parametrize('envtpl', [True, False], ids=['envtpl', 'no-envtpl'])
@pytest.mark.parametrize('j2cli', [True, False], ids=['j2cli', 'no-j2cli'])
def test_kind_j2cli_envtpl(runner, yadm, envtpl, j2cli, label):
    """Test kind: j2 (both j2cli & envtpl)

    j2cli is preferred over envtpl if available.
    """

    envtpl_avail = 'true' if envtpl else 'false'
    j2cli_avail = 'true' if j2cli else 'false'

    if label in ('j2cli', 'j2') and j2cli:
        expected = 'template_j2cli'
    elif label in ('envtpl', 'j2') and envtpl:
        expected = 'template_envtpl'
    else:
        expected = ''

    script = f"""
        YADM_TEST=1 source {yadm}
        function envtpl_available {{ { envtpl_avail}; }}
        function j2cli_available {{ { j2cli_avail}; }}
        template="$(choose_template_cmd "{label}")"
        echo "TEMPLATE:$template"
    """
    run = runner(command=['bash'], inp=script)
    assert run.success
    assert run.err == ''
    assert f'TEMPLATE:{expected}\n' in run.out