#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2020 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Tests for tiny_render."""

from __future__ import print_function

import unittest

import tiny_render


# Admittedly, the HTML generated by this isn't always _beautiful_ to read
# (especially with e.g., ordered lists). Since the intent is for the HTML to be
# shipped alongside the plain-text, the hope is that people won't have to
# subject themselves to reading the HTML often. :)
class Test(unittest.TestCase):
  """Tests for tiny_render."""

  def test_bold(self):
    pieces = [
        tiny_render.Bold('hello'),
        ', ',
        tiny_render.Bold(['world', '!']),
    ]

    self.assertEqual(
        tiny_render.render_text_pieces(pieces),
        '**hello**, **world!**',
    )

    self.assertEqual(
        tiny_render.render_html_pieces(pieces),
        '<b>hello</b>, <b>world!</b>',
    )

  def test_line_break(self):
    pieces = [
        'hello',
        tiny_render.line_break,
        ['world', '!'],
    ]

    self.assertEqual(
        tiny_render.render_text_pieces(pieces),
        'hello\nworld!',
    )

    self.assertEqual(
        tiny_render.render_html_pieces(pieces),
        'hello<br />\nworld!',
    )

  def test_linkification(self):
    pieces = [
        'hello ',
        tiny_render.Link(href='https://google.com', inner='world!'),
    ]

    self.assertEqual(
        tiny_render.render_text_pieces(pieces),
        'hello world!',
    )

    self.assertEqual(
        tiny_render.render_html_pieces(pieces),
        'hello <a href="https://google.com">world!</a>',
    )

  def test_unordered_list(self):
    pieces = [
        'hello:',
        tiny_render.UnorderedList([
            'world',
            'w o r l d',
        ]),
    ]

    self.assertEqual(
        tiny_render.render_text_pieces(pieces),
        '\n'.join((
            'hello:',
            '  - world',
            '  - w o r l d',
        )),
    )

    self.assertEqual(
        tiny_render.render_html_pieces(pieces),
        '\n'.join((
            'hello:<ul>',
            '<li>world</li>',
            '<li>w o r l d</li>',
            '</ul>',
            '',
        )),
    )

  def test_nested_unordered_list(self):
    pieces = [
        'hello:',
        tiny_render.UnorderedList([
            'world',
            ['and more:', tiny_render.UnorderedList(['w o r l d'])],
            'world2',
        ])
    ]

    self.assertEqual(
        tiny_render.render_text_pieces(pieces),
        '\n'.join((
            'hello:',
            '  - world',
            '  - and more:',
            '    - w o r l d',
            '  - world2',
        )),
    )

    self.assertEqual(
        tiny_render.render_html_pieces(pieces),
        '\n'.join((
            'hello:<ul>',
            '<li>world</li>',
            '<li>and more:<ul>',
            '<li>w o r l d</li>',
            '</ul>',
            '</li>',
            '<li>world2</li>',
            '</ul>',
            '',
        )),
    )

  def test_switch(self):
    pieces = ['hello ', tiny_render.Switch(text='text', html='html')]
    self.assertEqual(tiny_render.render_text_pieces(pieces), 'hello text')
    self.assertEqual(tiny_render.render_html_pieces(pieces), 'hello html')

  def test_golden(self):
    pieces = [
        'hello',
        tiny_render.UnorderedList([
            tiny_render.Switch(text='text', html=tiny_render.Bold('html')),
            'the',
            tiny_render.Bold('sun'),
        ]),
        tiny_render.line_break,
        ['is', ' out!'],
    ]

    self.assertEqual(
        tiny_render.render_text_pieces(pieces), '\n'.join((
            'hello',
            '  - text',
            '  - the',
            '  - **sun**',
            'is out!',
        )))

    self.assertEqual(
        tiny_render.render_html_pieces(pieces), '\n'.join((
            'hello<ul>',
            '<li><b>html</b></li>',
            '<li>the</li>',
            '<li><b>sun</b></li>',
            '</ul>',
            '<br />',
            'is out!',
        )))


if __name__ == '__main__':
  unittest.main()