def test_can_get_violation_definitions(self):
        reviewer = Mock()
        validator = ImageWithoutAltAttributeValidator(reviewer)

        definitions = validator.get_violation_definitions()

        expect(definitions).to_length(1)
        expect('invalid.images.alt' in definitions).to_be_true()

        data = [('http://my-site.com/the-src', 'the-src')]
        empy_anchors_message = validator.get_empy_anchors_message(data)

        expect(empy_anchors_message).to_equal(
            'Images without alt text are not good for Search Engines. Images '
            'without alt were found for: <a href="http://my-site.com/the-src" '
            'target="_blank">the-src</a>.'
        )
    def test_can_validate_image_without_alt_attribute_on_globo_html(self):
        config = Config()

        page = PageFactory.create(url='http://my-site.com')

        reviewer = Reviewer(
            api_url='http://localhost:2368',
            page_uuid=page.uuid,
            page_url=page.url,
            page_score=0.0,
            config=config,
            validators=[]
        )

        content = self.get_file('globo.html')

        result = {
            'url': page.url,
            'status': 200,
            'content': content,
            'html': lxml.html.fromstring(content)
        }
        reviewer.responses[page.url] = result
        reviewer.get_response = Mock(return_value=result)

        validator = ImageWithoutAltAttributeValidator(reviewer)
        validator.add_violation = Mock()
        validator.review.data = {
            'page.all_images': [{
                'src': 'the-src'
            }]
        }
        validator.validate()

        expect(validator.add_violation.call_args_list).to_include(
            call(
                key='invalid.images.alt',
                value=[('http://my-site.com/the-src', 'the-src')],
                points=20
            ))