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Location: majic-ansible-roles/roles/wsgi_website/tests/test_parameters_paste_req.py

branko
MAR-119: Updated all test playbooks to mark apt cache update as always idempotent (since it does not play role in actual role idempotence).
import re
import time

import testinfra.utils.ansible_runner


testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
    '.molecule/ansible_inventory').get_hosts('all')


def test_website_group(Group):
    """
    Tests if website group has been created correctly.
    """

    group = Group('web-parameters-paste-req')

    assert group.exists
    assert group.gid == 5002


def test_website_admin_user(User):
    """
    Tests if website administrator user has been created correctly.
    """

    user = User('admin-parameters-paste-req')

    assert user.exists
    assert user.uid == 5002
    assert user.group == 'web-parameters-paste-req'
    assert user.groups == ['web-parameters-paste-req']
    assert user.shell == '/bin/bash'
    assert user.home == '/var/www/parameters-paste-req'


def test_website_admin_home(File, Sudo):
    """
    Tests if permissions on website admin home directory are correct.
    """

    home = File('/var/www/parameters-paste-req')

    assert home.is_directory
    assert home.user == 'admin-parameters-paste-req'
    assert home.group == 'web-parameters-paste-req'
    assert home.mode == 0o750


def test_home_profile_directory(File, Sudo):
    """
    Tests if profile directory has been set-up correctly for the website
    administrator/application user.
    """

    with Sudo():

        directory = File('/var/www/parameters-paste-req/.profile.d')
        assert directory.is_directory
        assert directory.user == 'admin-parameters-paste-req'
        assert directory.group == 'web-parameters-paste-req'
        assert directory.mode == 0o750


def test_virtualenv_profile_configuration(File, Sudo):
    """
    Tests if profile configuration file for auto-activation of virtual
    environment has been deployed correctly.
    """

    with Sudo():

        config = File('/var/www/parameters-paste-req/.profile.d/virtualenv.sh')
        assert config.is_file
        assert config.user == 'root'
        assert config.group == 'web-parameters-paste-req'
        assert config.mode == 0o640


def test_profile_configuration(Command):
    """
    Tests if profile configuration is behaving correctly (setting appropriate
    vars via login shell).
    """

    env = Command("sudo -i -u admin-parameters-paste-req printenv VIRTUAL_ENV MY_ENV_VAR")
    assert env.stdout == "/var/www/parameters-paste-req/virtualenv"


def test_website_application_user(Command, Sudo, User):
    """
    Tests if website application user has been created correctly.
    """

    user = User('web-parameters-paste-req')

    assert user.exists
    assert user.uid == 998
    assert user.group == 'web-parameters-paste-req'
    assert user.groups == ['web-parameters-paste-req']
    assert user.shell == '/bin/sh'
    assert user.home == '/var/www/parameters-paste-req'

    with Sudo():
        umask = Command("su -l web-parameters-paste-req -c 'bash -c umask'")
        assert umask.stdout == '0007'


def test_nginx_user(User):
    """
    Tests if web server user has been added to website group.
    """

    user = User('www-data')
    assert 'web-parameters-paste-req' in user.groups


def test_forward_file(File, Sudo):
    """
    Tests if the forward file has correct permissions and content.
    """

    with Sudo():

        config = File('/var/www/parameters-paste-req/.forward')
        assert config.is_file
        assert config.user == 'root'
        assert config.group == 'web-parameters-paste-req'
        assert config.mode == 0o640
        assert config.content == "root"


def test_mail_forwarding(Command, File, Sudo):
    """
    Tests if mail forwarding works as expected.
    """

    send = Command('swaks --suppress-data --to web-parameters-paste-req@localhost')
    assert send.rc == 0
    message_id = re.search('Ok: queued as (.*)', send.stdout).group(1)

    # Sleep for a couple of seconds so the mail can get delivered.
    time.sleep(5)

    with Sudo():
        mail_log = File('/var/log/mail.log')

        # First extract message ID of forwarded mail.
        pattern = "%s: to=<web-parameters-paste-req@localhost>.*status=sent \(forwarded as ([^)]*)\)" % message_id
        message_id = re.search(pattern, mail_log.content).group(1)

        # Now try to determine where the forward ended-up at.
        pattern = "%s: to=<vagrant@wsgi-website>, orig_to=<web-parameters-paste-req@localhost>.*status=sent" % message_id
        assert re.search(pattern, mail_log.content) is not None


def test_python_virtualenv_created(File, Sudo):
    """
    Tests if Python virtual environment has been created correctly.
    """

    with Sudo():

        virtualenv = File("/var/www/parameters-paste-req/virtualenv")
        assert virtualenv.is_directory
        assert virtualenv.user == 'admin-parameters-paste-req'
        assert virtualenv.group == 'web-parameters-paste-req'
        assert virtualenv.mode == 0o2750

        virtualenv_activate = File("/var/www/parameters-paste-req/virtualenv/bin/activate")
        assert virtualenv_activate.is_file
        assert virtualenv_activate.user == 'admin-parameters-paste-req'
        assert virtualenv_activate.group == 'web-parameters-paste-req'
        assert virtualenv_activate.mode == 0o644


def test_python_virtualenv_project_directory_config(File, Sudo):
    """
    Tests if project directory configuration within virtualenv is set-up
    correctly.
    """

    with Sudo():

        project = File("/var/www/parameters-paste-req/virtualenv/.project")

        assert project.is_file
        assert project.user == 'admin-parameters-paste-req'
        assert project.group == 'web-parameters-paste-req'
        assert project.mode == 0o640


def test_python_virtualenv_wrapper_script(Command, File, Sudo):
    """
    Tests if Python virtualenv wrapper script is functioning correctly.
    """

    with Sudo():

        wrapper = File("/var/www/parameters-paste-req/virtualenv/bin/exec")
        assert wrapper.is_file
        assert wrapper.user == 'admin-parameters-paste-req'
        assert wrapper.group == 'web-parameters-paste-req'
        assert wrapper.mode == 0o750

        command = Command("sudo -u admin-parameters-paste-req /var/www/parameters-paste-req/virtualenv/bin/exec python -c 'import gunicorn'")
        assert command.rc == 0


def test_virtualenv_packages(Command):
    """
    Tests if correct packages are installed in virtualenv.
    """

    packages = Command("sudo -u admin-parameters-paste-req /var/www/parameters-paste-req/virtualenv/bin/pip freeze")

    assert sorted(packages.stdout.lower().split("\n")) == sorted("""Flask==0.12.2
Jinja2==2.9.6
MarkupSafe==1.0
Paste==2.0.3
PasteDeploy==1.5.2
PasteScript==2.0.2
Werkzeug==0.12.2
argparse==1.2.1
click==6.7
futures==3.1.0
gunicorn==19.7.0
itsdangerous==0.24
six==1.10.0
wsgiref==0.1.2""".lower().split("\n"))


def test_wsgi_requirements_upgrade_checks(File, Sudo):
    """
    Tests if Python requirements files for upgrade checks are set-up correctly.
    """

    with Sudo():
        directory = File('/etc/pip_check_requirements_upgrades/parameters-paste-req')
        assert directory.is_directory
        assert directory.user == 'root'
        assert directory.group == 'pipreqcheck'
        assert directory.mode == 0o750

        config = File('/etc/pip_check_requirements_upgrades/parameters-paste-req/wsgi_requirements.in')
        assert config.is_file
        assert config.user == 'root'
        assert config.group == 'pipreqcheck'
        assert config.mode == 0o640
        assert config.content == "gunicorn\nfutures"

        config = File('/etc/pip_check_requirements_upgrades/parameters-paste-req/wsgi_requirements.txt')
        assert config.is_file
        assert config.user == 'root'
        assert config.group == 'pipreqcheck'
        assert config.mode == 0o640
        assert config.content == "futures==3.1.0\ngunicorn==19.7.0"


def test_gunicorn_requirements_installation_file(File, Sudo):
    """
    Tests if requirements file for installing Gunicorn has been deployed
    correctly.
    """

    with Sudo():

        requirements = File('/var/www/parameters-paste-req/.wsgi_requirements.txt')
        assert requirements.is_file
        assert requirements.user == 'admin-parameters-paste-req'
        assert requirements.group == 'web-parameters-paste-req'
        assert requirements.mode == 0o640
        assert requirements.content == "futures==3.1.0\ngunicorn==19.7.0"


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

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

    page = Command('curl -H "Accept-Encoding: plain" https://parameters-paste-req/')

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


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

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

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