import os

import testinfra.utils.ansible_runner


testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts(['parameters-mandatory'])


def test_https_enforcement(host):
    """
    Tests if HTTPS is being enforced.
    """

    https_enforcement = host.run('curl -I http://parameters-mandatory/')

    assert https_enforcement.rc == 0
    assert 'HTTP/1.1 301 Moved Permanently' in https_enforcement.stdout
    assert 'Location: https://parameters-mandatory/' in https_enforcement.stdout

    https_enforcement = host.run('curl -I https://parameters-mandatory/')

    assert https_enforcement.rc == 0
    assert 'Strict-Transport-Security: max-age=31536000; includeSubDomains' in https_enforcement.stdout


def test_index_page(host):
    """
    Tests if index page is served correctly. This covers:

    - Basic WSGI application operation.
    - Handling of environment variables.
    - Handling of proxy headers.
    """

    page = host.run('curl -H "Accept-Encoding: plain" https://parameters-mandatory/')

    assert page.rc == 0
    assert "This is the WSGI application at parameters-mandatory." in page.stdout
    assert "Requested URL was: https://parameters-mandatory/" in page.stdout
    assert "MY_ENV_VAR: None" in page.stdout
    assert "Accept-Encoding: plain" in page.stdout
    assert "Python version: 2." in page.stdout


def test_static_file_serving(host):
    """
    Tests serving of static files.
    """

    page = host.run('curl https://parameters-mandatory/static/static_file.txt')
    assert page.rc == 0
    assert "This is the WSGI application at parameters-mandatory." in page.stdout
    assert "Requested URL was: https://parameters-mandatory/static/static_file.txt" in page.stdout

    page = host.run('curl https://parameters-mandatory/media/media_file.txt')
    assert page.rc == 0
    assert "This is the WSGI application at parameters-mandatory." in page.stdout
    assert "Requested URL was: https://parameters-mandatory/media/media_file.txt" in page.stdout