openlp/tests/functional/openlp_plugins/images/test_imagetab.py

# -*- coding: utf-8 -*-

##########################################################################
# OpenLP - Open Source Lyrics Projection                                 #
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# Copyright (c) 2008-2020 OpenLP Developers                              #
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"""
This module contains tests for the lib submodule of the Images plugin.
"""
import pytest
from unittest.mock import MagicMock

from openlp.core.common.registry import Registry
from openlp.plugins.images.lib.imagetab import ImageTab


@pytest.fixture()
def form(settings):
    Registry().register('settings_form', MagicMock())
    frm = ImageTab(None, 'Images', None, None)
    frm.settings_form.register_post_process = MagicMock()
    return frm


def test_save_tab_nochange(form):
    """
    Test no changes does not trigger post processing
    """
    # GIVEN: No changes on the form.
    # WHEN: the save is invoked
    form.save()
    # THEN: the post process should not be requested
    assert 0 == form.settings_form.register_post_process.call_count, \
        'Image Post processing should not have been requested'


def test_save_tab_change(form):
    """
    Test a color change is applied and triggers post processing.
    """
    # GIVEN: Apply a change to the form.
    form.on_background_color_changed('#999999')
    # WHEN: the save is invoked
    form.save()
    # THEN: the post process should be requested
    assert 1 == form.settings_form.register_post_process.call_count, \
        'Image Post processing should have been requested'
    # THEN: The color should be set
    assert form.background_color == '#999999', 'The updated color should have been saved'