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pytest-plone

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pytest-plone is a pytest plugin providing fixtures and helpers to test Plone add-ons.

This package is built on top of zope.pytestlayer.

Reasoning

Despite the fact Plone, and Zope, have their codebases tested with unittest, over the years pytest became the most popular choice for testing in Python.

pytest is more flexible and easier to use than unittest and has a rich ecosystem of plugins that you can use to extend its functionality.

Warning

THIS PACKAGE IS NOT CONSIDERED TO BE STABLE AND FIXTURES COULD CHANGE BEFORE A FINAL RELEASE

Usage

In your top-level conftest.py import your testing layers, and also import fixtures_factory -- which will accept a iterator of tuples containing the testing layer and a prefix to be used to generate the needed pytest fixtures.

from Products.CMFPlone.testing import PRODUCTS_CMFPLONE_FUNCTIONAL_TESTING
from Products.CMFPlone.testing import PRODUCTS_CMFPLONE_INTEGRATION_TESTING
from pytest_plone import fixtures_factory


pytest_plugins = ["pytest_plone"]


globals().update(
    fixtures_factory(
        (
            (PRODUCTS_CMFPLONE_FUNCTIONAL_TESTING, "functional"),
            (PRODUCTS_CMFPLONE_INTEGRATION_TESTING, "integration"),
        )
    )
)

In the code above, the following pytest fixtures will be available to your tests:

Fixture Scope
functional_session Session
functional_class Class
functional Function
integration_session Session
integration_class Class
integration Function

Fixtures

generate_mo

Description Set environment variable to force Zope to compile translation files
Required Fixture
Scope Session

Add a new fixture to your conftest.py to force generate_mo to be called for all tests.

@pytest.fixture(scope="session", autouse=True)
def session_initialization(generate_mo):
    """Fixture used to force translation files to be compiled."""
    yield

app

Description Zope root
Required Fixture integration
Scope Function
def test_app(app):
    """Test portal title."""
    assert app.getPhysicalPath() == ("", )

portal

Description Portal object
Required Fixture integration
Scope Function
def test_portal_title(portal):
    """Test portal title."""
    assert portal.title == "Plone Site"

http_request

Description HTTP Request
Required Fixture integration
Scope Function
from plone import api


def test_myproduct_controlpanel_view(portal, http_request):
    """Test myproduct_controlpanel browser view is available."""
    view = api.content.get_view(
        "myproduct-controlpanel", portal, http_request
    )
    assert view is not None

installer

Description Installer browser view. Used to install/uninstall/check for an add-on.
Required Fixture integration
Scope Function
import pytest


PACKAGE_NAME = "myproduct"


@pytest.fixture
def uninstall(installer):
    """Fixture to uninstall a package."""
    installer.uninstall_product(PACKAGE_NAME)


def test_product_installed(installer):
    """Test if myproduct is installed."""
    assert installer.is_product_installed(PACKAGE_NAME) is True

@pytest.mark.parametrize(
    "package",
    [
        "collective.casestudy",
        "pytest-plone",
    ]
)
def test_dependency_installed(installer, package):
    """Test if dependency is installed."""
    assert installer.is_product_installed(package) is True

browser_layers

Description List of available browser layers. Used to test if a specific browser layer is registered.
Required Fixture integration
Scope Function
def test_browserlayer(browser_layers):
    """Test that IMyProductLayer is registered."""
    from myproduct.interfaces import IMyProductLayer


    assert IMyProductLayer in browser_layers

controlpanel_actions

Description List of control panel actions ids. Used to test if a specific control panel is installed or not.
Required Fixture integration
Scope Function
def test_configlet_install(controlpanel_actions):
    """Test if control panel is installed."""
    assert "myproductcontrolpanel" in controlpanel_actions

get_fti

Description Function to get the Factory Type Info (FTI) for a content type.
Required Fixture integration
Scope Function
def test_get_fti(get_fti):
    """Test if Document fti is installed."""
    assert get_fti("Document") is not None

get_behaviors

Description Function to list behaviors for a content type.
Required Fixture integration
Scope Function
import pytest


def test_block_in_document(get_behaviors):
    """Test if blocks behavior is installed for Document."""
    assert "volto.blocks" in get_behaviors("Document")


@pytest.mark.parametrize(
    "behavior",
    [
        "plone.dublincore",
        "plone.namefromtitle",
        "plone.shortname",
        "plone.excludefromnavigation",
        "plone.relateditems",
        "plone.versioning",
        "volto.blocks",
        "volto.navtitle",
        "volto.preview_image",
        "volto.head_title",
    ],
)
def test_has_behavior(self, get_behaviors, behavior):
    assert behavior in get_behaviors("Document")

get_vocabulary

Description Function to get a named vocabulary.
Required Fixture integration
Scope Function
from zope.schema.vocabulary import SimpleVocabulary

VOCAB = "plone.app.vocabularies.AvailableContentLanguages"

def test_get_vocabulary(get_vocabulary):
    """Test plone.app.vocabularies.AvailableContentLanguages."""
    vocab = get_vocabulary(VOCAB)
    assert vocab is not None
    assert isinstance(vocab, SimpleVocabulary)

setup_tool

Description Portal Setup tool.
Required Fixture integration
Scope Function
def test_setup_tool(setup_tool):
    """Test setup_tool."""
    assert setup_tool is not None

profile_last_version

Description Function to get the last version of a profile.
Required Fixture integration
Scope Function
PACKAGE_NAME = "collective.case_study"

def test_last_version(profile_last_version):
    """Test setup_tool."""
    profile = f"{PACKAGE_NAME}:default"
    version = profile_last_version(profile)
    assert version == "1000"

Plugin Development

You need a working python environment (system, virtualenv, pyenv, etc) version 3.8 or superior.

Then install the dependencies and a development instance using:

make install

To run tests for this package:

make test

By default we use the latest Plone version in the 6.x series.

License

The project is licensed under the GPLv2.