def test_complex_message(self):
        """Tests complex messages are rendered correctly in plain text/html
        """
        h1 = Heading('h1 title')
        h2 = Heading('h2 subtitle', 2)
        p1 = Paragraph('the quick brown fox jumps over the lazy dog')

        t1 = Text('this is a text, ')
        t1.add(Text('this is another text '))
        ts = ImportantText('and this is a strong text')
        t1.add(ts)
        tl = Link('http://google.ch', 'google link')
        t1.add(tl)
        tp = Text('text for paragraph ')
        em = EmphasizedText('this is an emphasized paragraph text')
        im = Image(
            'http://www.google.ch/images/srpr/logo4w.png',
            'Google logo')
        tp.add(im)
        tp.add(em)
        im = Image('http://www.google.ch/images/srpr/NoText.png')
        tp.add(im)
        p2 = Paragraph(tp)

        m = Message()
        m.add(h1)
        m.add(h2)
        m.add(p1)
        m.add(t1)
        m.add(p2)

        expected_res = (
            '*h1 title\n\n'
            '**h2 subtitle\n\n'
            '    the quick brown fox jumps over the lazy dog\n\n'
            'this is a text, this is another text *and this is a strong text* '
            '::google link [http://google.ch]\n'
            '    text for paragraph ::Google logo '
            '[http://www.google.ch/images/srpr/logo4w.png] '
            '_this is an emphasized paragraph text_'
            ' ::http://www.google.ch/images/srpr/NoText.png\n\n')

        res = m.to_text()
        self.assertEqual(expected_res, res)

        expected_res = (
            '<h1>h1 title</h1>\n'
            '<h2>h2 subtitle</h2>\n'
            '<p>the quick brown fox jumps over the lazy dog</p>\n'
            'this is a text, this is another text <strong>and this is a strong'
            ' text</strong> <a href="http://google.ch">google link</a>\n'
            '<p>text for paragraph <img src="'
            'http://www.google.ch/images/srpr/logo4w.png" title="Google logo" '
            'alt="Google logo" /> <em>this is an emphasized paragraph text'
            '</em> <img src="http://www.google.ch/images/srpr/NoText.png" '
            'title="" '
            'alt="" /></p>\n')
        res = m.to_html()
        self.assertEqual(expected_res, res)

    def test_line_break(self):
        """Tests Line Break messages are rendered correctly in plain text/html.
        """
        t1 = Message('FOO', LineBreak())

        expected_res = 'FOO\n'
        res = t1.to_text()
        self.assertEqual(expected_res, res)

        expected_res = 'FOO<br/>\n'
        res = t1.to_html()
        self.assertEqual(expected_res, res)

    def test_get_help_html(self):
        """Test that get_help_html works"""

        # no message: default to dock_help
        text = get_help_html()
        self.assertTrue(html_help_header() in text)
        self.assertTrue(html_footer() in text)
        self.assertTrue(dock_help().to_html() in text)

        # custom message
        message = Message("A text message")
        text = get_help_html(message)
        self.assertTrue(message.to_html() in text)

    def run(self):
        """Run.
        """
        message = Message()
        message.add(Heading('Processing starting'))
        text = Text('This is an example application showing how the ')
        text.add(ImportantText('new Messaging system'))
        text.add(Text(' works in '))
        text.add(EmphasizedText('InaSAFE'))
        text.add(Text('.'))
        paragraph = Paragraph(text)
        message.add(paragraph)
        paragraph = Paragraph(
            'Sed ut perspiciatis unde omnis iste natus error sit voluptatem '
            'accusantium doloremque laudantium, totam rem aperiam, '
            'eaque ipsa quae ab illo inventore veritatis et quasi architecto '
            'beatae vitae dicta sunt explicabo. Nemo enim ipsam voluptatem '
            'quia voluptas sit aspernatur aut odit aut fugit, sed quia '
            'consequuntur magni dolores eos qui ratione voluptatem sequi '
            'nesciunt. Neque porro quisquam est, qui dolorem ipsum quia dolor '
            'sit amet, consectetur, adipisci velit, sed quia non numquam eius '
            'modi tempora incidunt ut labore et dolore magnam aliquam quaerat '
            'voluptatem. Ut enim ad minima veniam, quis nostrum '
            'exercitationem ullam corporis suscipit laboriosam, nisi ut '
            'aliquid ex ea commodi consequatur? Quis autem vel eum iure '
            'reprehenderit qui in ea voluptate velit esse quam nihil molestiae'
            ' consequatur, vel illum qui dolorem eum fugiat quo voluptas nulla'
            ' pariatur?')
        message.add(paragraph)
        message.add(Message(
            Text('This shows how you can create '),
            ImportantText('content inline when you create a message'),
            ' ',
            EmphasizedText('including different styles and so on.')))

        dispatcher.send(
            signal=STATIC_MESSAGE_SIGNAL,
            sender=self,
            message=message)

        impact_function1 = ImpactFunction1()
        impact_function2 = ImpactFunction2()
        # Run some tasks that will spawn dynamic messages
        for i in range(1, 10):
            _ = i
            impact_function1.run()
            impact_function2.run()

    def test_message(self):
        """Tests high level messages are rendered correctly in plain text/html.
        """
        m1 = Message('FOO')
        expected_res = 'FOO'
        res = m1.to_text()
        self.assertEqual(expected_res, res)

        m2 = Message(m1)
        expected_res = 'FOO\n'
        res = m2.to_text()
        self.assertEqual(expected_res, res)

        m3 = Message(Message('FOO'))
        m3.add(Message('BAR'))
        expected_res = 'FOO\nBAR\n'
        res = m3.to_text()
        self.assertEqual(expected_res, res)