Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use _get_diff_message method in toolium

Best Python code snippet using toolium_python

test_visual_test.py

Source:test_visual_test.py

...142    assert re.compile(expected_row).match(row) is not None143def test_diff_message_equal():144    message = None145    expected_message = ''146    assert expected_message == VisualTest._get_diff_message(message, 1000000)147def test_diff_message_size_pil():148    message = ''149    expected_message = 'Image dimensions do not match'150    assert expected_message == VisualTest._get_diff_message(message, 1000000)151def test_diff_message_size_perceptualdiff():152    message = """The new screenshot 'C:\\...\\01_login_form__test_login.png' did not match the baseline 'C:\\...\\login_form.png':153        FAIL: Image dimensions do not match"""154    expected_message = 'Image dimensions do not match'155    assert expected_message == VisualTest._get_diff_message(message, 1000000)156def test_diff_message_size_imagemagick():157    message = 'Image dimensions do not match'158    expected_message = 'Image dimensions do not match'159    assert expected_message == VisualTest._get_diff_message(message, 1000000)160def test_diff_message_diff_pil():161    message = ("The new screenshot 'C:\\...\\01_login_form__test_login.png' did not match the baseline "162               "'C:\\...\\login_form.png' (by a distance of 14794.11)")163    expected_message = 'Distance of 0.01479411'164    assert expected_message == VisualTest._get_diff_message(message, 1000000)165def test_diff_message_diff_perceptualdiff():166    message = "The new screenshot 'C:\\...\\01_login_form__test_login.png' did not match the baseline "167    message += """'C:\\...\\login_form.png' (See C:\\...\\01_login_form__test_login.diff.png):168        FAIL: Images are visibly different169        15040 pixels are different170    """171    expected_message = 'Distance of 0.01504000'172    assert expected_message == VisualTest._get_diff_message(message, 1000000)173def test_diff_message_diff_imagemagick():174    message = ("The new screenshot 'C:\\...\\01_login_form__test_login.png' did not match the baseline "175               "'C:\\...\\login_form.png' (See C:\\...\\01_login_form__test_login.diff.png):\n"176               "5443.77 (0.0830666) @ 0,0")177    expected_message = 'Distance of 0.08306660'178    assert expected_message == VisualTest._get_diff_message(message, 1000000)179def assert_image(visual, img, img_name, expected_image_filename):180    """Save img in an image file and compare with the expected image181    :param img: image object182    :param img_name: temporary filename183    :param expected_image_filename: filename of the expected image184    """185    # Save result image in output folder186    result_file = os.path.join(visual.output_directory, img_name + '.png')187    img.save(result_file)188    # Output image and expected image must be equal189    expected_image = os.path.join(root_path, 'resources', expected_image_filename + '.png')190    compare_image_files(result_file, expected_image)191def compare_image_files(image, expected_image, threshold=0.1):192    """Compare two images...

visual_test.py

Source:visual_test.py

...198            if self.driver_wrapper.config.getboolean_optional('VisualTests', 'complete_report'):199                self._add_result_to_report('equal', report_name, image_file, baseline_file)200            return None201        except AssertionError as exc:202            diff_message = self._get_diff_message(str(exc), width * height)203            self._add_result_to_report('diff', report_name, image_file, baseline_file, diff_message)204            self.logger.warning("Visual error in '%s': %s", os.path.splitext(os.path.basename(baseline_file))[0],205                                diff_message)206            if self.driver_wrapper.config.getboolean_optional('VisualTests', 'fail') or self.force:207                raise exc208            else:209                return diff_message210    def _add_result_to_report(self, result, report_name, image_file, baseline_file, message=''):211        self.results[result] += 1212        row = self._get_html_row(result, report_name, image_file, baseline_file, message)213        self._add_data_to_report_before_tag(row, '</tbody>')214        self._update_report_summary()215    def _add_data_to_report_before_tag(self, data, tag):216        with open(os.path.join(self.output_directory, self.report_name), "r+") as f:217            report = f.read()218            index = report.find(tag)219            report = report[:index] + data + report[index:]220            f.seek(0)221            f.write(report)222    def _update_report_summary(self):223        """Update asserts counter in report"""224        new_results = 'Visual asserts</b>: {} ({} failed)'.format(sum(self.results.values()), self.results['diff'])225        with open(os.path.join(self.output_directory, self.report_name), "r+") as f:226            report = f.read()227            report = re.sub(r'Visual asserts</b>: [0-9]* \([0-9]* failed\)', new_results, report)228            f.seek(0)229            f.write(report)230    def _add_summary_to_report(self):231        summary = '<p><b>Execution date</b>: {}</p>'.format(datetime.datetime.now().strftime('%d/%m/%Y %H:%M:%S'))232        summary += '<p><b>Baseline name</b>: {}</p>'.format(path.basename(self.baseline_directory))233        summary += '<p><b>Visual asserts</b>: {} ({} failed)</p>'.format(sum(self.results.values()),234                                                                         self.results['diff'])235        self._add_data_to_report_before_tag(summary, '</div>')236    def _get_html_row(self, result, report_name, image_file, baseline_file, message=''):237        row = '<tr class=' + result + '>'238        row += '<td>' + report_name + '</td>'239        # Create baseline column240        baseline_col = self._get_img_element(baseline_file, 'Baseline image')241        row += '<td>' + baseline_col + '</td>'242        # Create image column243        image_col = self._get_img_element(image_file, 'Screenshot image')244        row += '<td>' + image_col + '</td>'245        # Create diff column246        diff_file = image_file.replace('.png', '.diff.png')247        diff_col = self._get_img_element(diff_file, message) if os.path.exists(diff_file) else message248        row += '<td>' + diff_col + '</td>'249        row += '</tr>'250        return row251    def _get_img_element(self, image_file, image_title):252        if not image_file:253            return ''254        image_file_path = path.relpath(image_file, self.output_directory).replace('\\', '/')255        return '<img src="{}" title="{}"/>'.format(image_file_path, image_title)256    @staticmethod257    def _get_diff_message(message, image_size):258        if message is None:259            # Images are equal260            return ''261        elif message == '' or 'Image dimensions do not match' in message:262            # Different sizes in pil (''), perceptualdiff or imagemagick engines263            return 'Image dimensions do not match'264        # Check pil engine message265        m = re.search('\(by a distance of (.*)\)', message)266        if m:267            return 'Distance of %0.8f' % (float(m.group(1)) / image_size)268        # Check perceptualdiff engine message269        m = re.search('([0-9]*) pixels are different', message)270        if m:271            return 'Distance of %0.8f' % (float(m.group(1)) / image_size)...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.