def test_screenshot_crop_invalid(selenium, tmpdir):
crop_area = (None, 1, 1, None)
image_name = 'crop_test'
setup_selenium_session(selenium, tmpdir)
with pytest.raises(exceptions.InvalidCropOrMasks):
screenshot_matches(selenium, image_name, crop=crop_area)
def test_screenshot_mask_invalid(selenium, tmpdir):
mask_area = [(3, 2, 1)]
image_name = 'mask_test'
setup_selenium_session(selenium, tmpdir)
with pytest.raises(exceptions.InvalidCropOrMasks):
screenshot_matches(selenium, image_name, masks=mask_area)
def test_screenshot_matches__screenshots_saved_when_capture_is_enabled(selenium, tmpdir):
setup_selenium_session(selenium, tmpdir)
settings['USE_IMAGEMAGICK'] = True
settings['USE_PERCEPTUALDIFF'] = False
assert screenshot_matches(selenium, 'testing')
assert os.path.exists(os.path.join(settings['SCREENSHOTS_PATH'], 'testing.png')) is True
assert screenshot_matches(selenium, 'subdir/testing')
assert os.path.exists(os.path.join(settings['SCREENSHOTS_PATH'], 'subdir/testing.png')) is True
def test_screenshot_cropped(selenium, tmpdir):
crop_area = (10, 10, 160, 50)
image_name = 'crop_test'
setup_selenium_session(selenium, tmpdir)
# capture the first screenshot
screenshot_matches(selenium, image_name, crop=crop_area)
# turn off capture
settings['ALLOW_SCREENSHOT_CAPTURE'] = False
# compare with previous
screenshot_matches(selenium, image_name, crop=crop_area)
def test_screenshot_multiple_mask(selenium, tmpdir):
mask_area = [(180, 0, 600, 75), (0, 50, 800, 125)]
image_name = 'mask_test'
setup_selenium_session(selenium, tmpdir)
# capture the first screenshot
screenshot_matches(selenium, image_name, masks=mask_area)
# turn off capture
settings['ALLOW_SCREENSHOT_CAPTURE'] = False
# load the different page
selenium.get('./tests/fixtures/page1-changed.html')
# compare with previous
screenshot_matches(selenium, image_name, masks=mask_area)
def test_screenshot_matches__screenshots_saved_when_capture_is_enabled(
selenium, tmpdir):
setup_selenium_session(selenium, tmpdir)
settings['USE_IMAGEMAGICK'] = True
settings['USE_PERCEPTUALDIFF'] = False
assert screenshot_matches(selenium, 'testing')
assert os.path.exists(
os.path.join(settings['SCREENSHOTS_PATH'], 'testing.png')) is True
assert screenshot_matches(selenium, 'subdir/testing')
assert os.path.exists(
os.path.join(settings['SCREENSHOTS_PATH'],
'subdir/testing.png')) is True
def test_screenshot_matches__raises_when_mismatch_detected(selenium, tmpdir):
setup_selenium_session(selenium, tmpdir)
screenshot_matches(selenium, 'testing')
selenium.get('./tests/fixtures/page1-changed.html')
selenium.find_element_by_tag_name('body').text.index("It has a second paragraph.")
with pytest.raises(exceptions.ScreenshotMismatchWithDiff):
assert screenshot_matches(selenium, 'testing')
captured_path = os.path.join(settings['PDIFF_PATH'], 'testing.captured.png')
pdiff_path = os.path.join(settings['PDIFF_PATH'], 'testing.diff.png')
assert os.path.exists(captured_path)
assert os.path.exists(pdiff_path)
def test_screenshot_matches__raises_when_capture_is_disabled(selenium, tmpdir):
setup_selenium_session(selenium, tmpdir)
settings['ALLOW_SCREENSHOT_CAPTURE'] = False
with pytest.raises(exceptions.MissingScreenshot):
assert screenshot_matches(selenium, 'testing')
def test_screenshot_matches__raises_when_capture_is_disabled(selenium, tmpdir):
setup_selenium_session(selenium, tmpdir)
settings['ALLOW_SCREENSHOT_CAPTURE'] = False
with pytest.raises(exceptions.MissingScreenshot):
assert screenshot_matches(selenium, 'testing')
def test_screenshot_matches__raises_when_mismatch_detected(selenium, tmpdir):
setup_selenium_session(selenium, tmpdir)
screenshot_matches(selenium, 'testing')
selenium.get('./tests/fixtures/page1-changed.html')
selenium.find_element_by_tag_name('body').text.index(
"It has a second paragraph.")
with pytest.raises(exceptions.ScreenshotMismatchWithDiff):
assert screenshot_matches(selenium, 'testing')
captured_path = os.path.join(settings['PDIFF_PATH'],
'testing.captured.png')
pdiff_path = os.path.join(settings['PDIFF_PATH'], 'testing.diff.png')
assert os.path.exists(captured_path)
assert os.path.exists(pdiff_path)
def test_screenshot_matches__raises_when_images_are_different_sizes(selenium, tmpdir):
setup_selenium_session(selenium, tmpdir)
screenshot_matches(selenium, 'testing-size')
selenium.set_window_size(1200, 900)
selenium.get('./tests/fixtures/page1-changed.html')
selenium.find_element_by_tag_name('body').text.index("It has a second paragraph.")
with pytest.raises(exceptions.ScreenshotMismatch):
assert screenshot_matches(selenium, 'testing-size')
captured_path = os.path.join(settings['PDIFF_PATH'], 'testing-size.captured.png')
pdiff_path = os.path.join(settings['PDIFF_PATH'], 'testing-size.diff.png')
assert os.path.exists(captured_path)
assert os.path.exists(pdiff_path) is False
def test_screenshot_matches__raises_when_images_are_different_sizes(
selenium, tmpdir):
setup_selenium_session(selenium, tmpdir)
screenshot_matches(selenium, 'testing-size')
selenium.set_window_size(1200, 900)
selenium.get('./tests/fixtures/page1-changed.html')
selenium.find_element_by_tag_name('body').text.index(
"It has a second paragraph.")
with pytest.raises(exceptions.ScreenshotMismatch):
assert screenshot_matches(selenium, 'testing-size')
captured_path = os.path.join(settings['PDIFF_PATH'],
'testing-size.captured.png')
pdiff_path = os.path.join(settings['PDIFF_PATH'], 'testing-size.diff.png')
assert os.path.exists(captured_path)
assert os.path.exists(pdiff_path) is False
def test_screenshot_matches__switches_between_backends(selenium, tmpdir):
setup_selenium_session(selenium, tmpdir)
screenshot_matches(selenium, 'testing')
settings['USE_IMAGEMAGICK'] = True
settings['USE_PERCEPTUALDIFF'] = False
with mock.patch('sh.compare') as mock_compare:
result = mock.MagicMock()
result.exit_code = 0
result.stderr = b'0'
mock_compare.return_value = result
screenshot_matches(selenium, 'testing')
assert mock_compare.called
settings['USE_IMAGEMAGICK'] = False
settings['USE_PERCEPTUALDIFF'] = True
with mock.patch('sh.perceptualdiff') as mock_pdiff:
result = mock.MagicMock()
result.exit_code = 0
mock_pdiff.return_value = result
screenshot_matches(selenium, 'testing')
assert mock_pdiff.called
def test_screenshot_matches__switches_between_backends(selenium, tmpdir):
setup_selenium_session(selenium, tmpdir)
screenshot_matches(selenium, 'testing')
settings['USE_IMAGEMAGICK'] = True
settings['USE_PERCEPTUALDIFF'] = False
with mock.patch('sh.compare') as mock_compare:
result = mock.MagicMock()
result.exit_code = 0
result.stderr = b'0'
mock_compare.return_value = result
screenshot_matches(selenium, 'testing')
assert mock_compare.called
settings['USE_IMAGEMAGICK'] = False
settings['USE_PERCEPTUALDIFF'] = True
with mock.patch('sh.perceptualdiff') as mock_pdiff:
result = mock.MagicMock()
result.exit_code = 0
mock_pdiff.return_value = result
screenshot_matches(selenium, 'testing')
assert mock_pdiff.called