import textwrap
import platform
from .template_projects import CTemplateProject
from . import utils

basic_project = CTemplateProject(
    setup_py_add=textwrap.dedent('''
        import os

        if os.environ.get("CIBUILDWHEEL", "0") != "1":
            raise Exception("CIBUILDWHEEL environment variable is not set to 1")
    ''')
)


def test(tmpdir):
    project_dir = str(tmpdir)
    basic_project.generate(project_dir)

    # build the wheels
    actual_wheels = utils.cibuildwheel_run(project_dir)

    # check that the expected wheels are produced
    expected_wheels = utils.expected_wheels("spam", "0.1.0")
    assert set(actual_wheels) == set(expected_wheels)


def test_build_identifiers(tmpdir):
    project_dir = str(tmpdir)
    basic_project.generate(project_dir)

    # check that the number of expected wheels matches the number of build
    # identifiers
    # after adding CIBW_MANYLINUX_IMAGE to support manylinux2010, there
    # can be multiple wheels for each wheel, though, so we need to limit
    # the expected wheels
    if platform.machine() in ['x86_64', 'i686']:
        expected_wheels = [w for w in utils.expected_wheels('spam', '0.1.0')
                           if '-manylinux' not in w or '-manylinux1' in w]
    else:
        expected_wheels = utils.expected_wheels('spam', '0.1.0')
    build_identifiers = utils.cibuildwheel_get_build_identifiers(project_dir)
    assert len(expected_wheels) == len(build_identifiers)