openlp/tests/openlp_core/display/test_render.py
Tim Bentley 330db2209c Merge branch 'advanced-chord-transpose-support' into 'master'
Advanced chord transpose support

See merge request openlp/openlp!341
2022-02-17 07:55:28 +00:00

268 lines
12 KiB
Python

# -*- coding: utf-8 -*-
##########################################################################
# OpenLP - Open Source Lyrics Projection #
# ---------------------------------------------------------------------- #
# Copyright (c) 2008-2022 OpenLP Developers #
# ---------------------------------------------------------------------- #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
##########################################################################
"""
Test the :mod:`~openlp.core.display.render` package.
"""
from unittest.mock import MagicMock, patch
from openlp.core.display.render import compare_chord_lyric_width, find_formatting_tags, remove_tags, render_chords, \
render_chords_for_printing, render_tags, ThemePreviewRenderer
from openlp.core.lib.formattingtags import FormattingTags
@patch('openlp.core.display.render.FormattingTags.get_html_tags')
def test_remove_tags(mocked_get_tags):
"""
Test remove_tags() method.
"""
# GIVEN: Mocked get_html_tags() method.
mocked_get_tags.return_value = [{
'desc': 'Black',
'start tag': '{b}',
'start html': '<span style="-webkit-text-fill-color:black">',
'end tag': '{/b}', 'end html': '</span>', 'protected': True,
'temporary': False, 'hidden': False
}, {
'desc': 'Italics',
'start tag': '{it}',
'start html': '<em>',
'end tag': '{/it}', 'end html': '</em>', 'protected': True,
'temporary': False, 'hidden': False
}, {
'desc': 'Superscript',
'start tag': '{su}',
'start html': '<sup>',
'end tag': '{/su}', 'end html': '</sup>', 'protected': True,
'temporary': False, 'hidden': False
}]
string_to_pass = 'ASDF<br>foo{br}bar&nbsp;{b}black{/b} {su}1,1&nbsp;{/su}In the {it}beggining{/it}...'
expected_string = 'ASDF\nfoo\nbar black 1,1 In the beggining...'
# WHEN: Clean the string.
result_string = remove_tags(string_to_pass)
# THEN: The strings should be identical.
assert result_string == expected_string, 'The strings should be identical'
@patch('openlp.core.display.render.FormattingTags.get_html_tags')
def test_render_tags(mocked_get_tags, settings):
"""
Test the render_tags() method.
"""
# GIVEN: Mocked get_html_tags() method.
settings.setValue('songs/chord notation', 'english')
mocked_get_tags.return_value = [
{
'desc': 'Black',
'start tag': '{b}',
'start html': '<span style="-webkit-text-fill-color:black">',
'end tag': '{/b}', 'end html': '</span>', 'protected': True,
'temporary': False, 'hidden': False
},
{
'desc': 'Yellow',
'start tag': '{y}',
'start html': '<span style="-webkit-text-fill-color:yellow">',
'end tag': '{/y}', 'end html': '</span>', 'protected': True,
'temporary': False, 'hidden': False
},
{
'desc': 'Green',
'start tag': '{g}',
'start html': '<span style="-webkit-text-fill-color:green">',
'end tag': '{/g}', 'end html': '</span>', 'protected': True,
'temporary': False, 'hidden': False
}
]
string_to_pass = '{b}black{/b}{y}yellow{/y}'
expected_string = '<span style="-webkit-text-fill-color:black">black</span>' + \
'<span style="-webkit-text-fill-color:yellow">yellow</span>'
# WHEN: Replace the tags.
result_string = render_tags(string_to_pass)
# THEN: The strings should be identical.
assert result_string == expected_string, 'The strings should be identical.'
def test_render_chords(settings):
"""
Test that the rendering of chords works as expected.
"""
# GIVEN: A lyrics-line with chords
settings.setValue('songs/chord notation', 'english')
text_with_chords = 'H[C]alleluya.[F] [G/B]'
# WHEN: Expanding the chords
text_with_rendered_chords = render_chords(text_with_chords)
# THEN: We should get html that looks like below
expected_html = '<span class="chordline">H<span class="chord"><span><strong>C</strong></span>' \
'</span>alleluya.<span class="chord"><span><strong>F</strong></span></span><span class="ws">' \
'&nbsp;&nbsp;</span> <span class="chord"><span><strong>G/B</strong></span></span></span>'
assert text_with_rendered_chords == expected_html, 'The rendered chords should look as expected'
def test_render_chords_with_special_chars(settings):
"""
Test that the rendering of chords works as expected when special chars are involved.
"""
# GIVEN: A lyrics-line with chords
settings.setValue('songs/chord notation', 'english')
text_with_chords = "I[D]'M NOT MOVED BY WHAT I SEE HALLE[F]LUJA[C]H"
# WHEN: Expanding the chords
text_with_rendered_chords = render_tags(text_with_chords, can_render_chords=True)
# THEN: We should get html that looks like below
expected_html = '<span class="chordline">I<span class="chord"><span><strong>D</strong></span>' \
'</span>&#x27;M NOT MOVED BY WHAT I SEE HALLE<span class="chord"><span><strong>F</strong>' \
'</span></span>LUJA<span class="chord"><span><strong>C</strong></span></span>H</span>'
assert text_with_rendered_chords == expected_html, 'The rendered chords should look as expected'
def test_compare_chord_lyric_short_chord():
"""
Test that the chord/lyric comparing works.
"""
# GIVEN: A chord and some lyric
chord = 'C'
lyrics = 'alleluya'
# WHEN: Comparing the chord and lyrics
ret = compare_chord_lyric_width(chord, lyrics)
# THEN: The returned value should 0 because the lyric is longer than the chord
assert ret == 0, 'The returned value should 0 because the lyric is longer than the chord'
def test_compare_chord_lyric_long_chord():
"""
Test that the chord/lyric comparing works.
"""
# GIVEN: A chord and some lyric
chord = 'Gsus'
lyrics = 'me'
# WHEN: Comparing the chord and lyrics
ret = compare_chord_lyric_width(chord, lyrics)
# THEN: The returned value should 4 because the chord is longer than the lyric
assert ret == 4, 'The returned value should 4 because the chord is longer than the lyric'
def test_render_chords_for_printing(settings):
"""
Test that the rendering of chords for printing works as expected.
"""
# GIVEN: A lyrics-line with chords
settings.setValue('songs/chord notation', 'english')
text_with_chords = '{st}[D]Amazing {r}gr[D7]ace{/r} how [G]sweet the [D]sound [F]{/st}'
FormattingTags.load_tags()
# WHEN: Expanding the chords
text_with_rendered_chords = render_chords_for_printing(text_with_chords, '{br}')
# THEN: We should get html that looks like below
expected_html = '<table class="line" width="100%" cellpadding="0" cellspacing="0" border="0"><tr><td><table ' \
'class="segment" cellpadding="0" cellspacing="0" border="0" align="left"><tr class="chordrow">'\
'<td class="chord">&nbsp;</td><td class="chord">D</td></tr><tr><td class="lyrics">{st}{/st}' \
'</td><td class="lyrics">{st}Amazing&nbsp;{/st}</td></tr></table><table class="segment" ' \
'cellpadding="0" cellspacing="0" border="0" align="left"><tr class="chordrow">' \
'<td class="chord">&nbsp;</td><td class="chord">D7</td></tr><tr><td class="lyrics">{st}{r}gr' \
'{/r}{/st}</td><td class="lyrics">{r}{st}ace{/r}&nbsp;{/st}</td></tr></table><table ' \
'class="segment" cellpadding="0" cellspacing="0" border="0" align="left"><tr class="chordrow">'\
'<td class="chord">&nbsp;</td></tr><tr><td class="lyrics">{st}&nbsp;{/st}</td></tr></table>' \
'<table class="segment" cellpadding="0" cellspacing="0" border="0" align="left"><tr ' \
'class="chordrow"><td class="chord">&nbsp;</td></tr><tr><td class="lyrics">{st}how&nbsp;{/st}' \
'</td></tr></table><table class="segment" cellpadding="0" cellspacing="0" border="0" ' \
'align="left"><tr class="chordrow"><td class="chord">G</td></tr><tr><td class="lyrics">{st}' \
'sweet&nbsp;{/st}</td></tr></table><table class="segment" cellpadding="0" cellspacing="0" ' \
'border="0" align="left"><tr class="chordrow"><td class="chord">&nbsp;</td></tr><tr><td ' \
'class="lyrics">{st}the&nbsp;{/st}</td></tr></table><table class="segment" cellpadding="0" ' \
'cellspacing="0" border="0" align="left"><tr class="chordrow"><td class="chord">D</td></tr>' \
'<tr><td class="lyrics">{st}sound&nbsp;{/st}</td></tr></table><table class="segment" ' \
'cellpadding="0" cellspacing="0" border="0" align="left"><tr class="chordrow"><td ' \
'class="chord">&nbsp;</td></tr><tr><td class="lyrics">{st}&nbsp;{/st}</td></tr></table>' \
'<table class="segment" cellpadding="0" cellspacing="0" border="0" align="left"><tr ' \
'class="chordrow"><td class="chord">F</td></tr><tr><td class="lyrics">{st}{/st}&nbsp;</td>' \
'</tr></table></td></tr></table>'
assert text_with_rendered_chords == expected_html, 'The rendered chords should look as expected!'
def test_find_formatting_tags(settings):
"""
Test that find_formatting_tags works as expected
"""
# GIVEN: Lyrics with formatting tags and a empty list of formatting tags
lyrics = '{st}Amazing {r}grace{/r} how sweet the sound'
tags = []
FormattingTags.load_tags()
# WHEN: Detecting active formatting tags
active_tags = find_formatting_tags(lyrics, tags)
# THEN: The list of active tags should contain only 'st'
assert active_tags == ['st'], 'The list of active tags should contain only "st"'
def test_format_slide(settings):
"""
Test that the format_slide function works as expected
"""
# GIVEN: Renderer where no text fits on screen (force one line per slide)
with patch('openlp.core.display.render.ThemePreviewRenderer.__init__') as init_fn:
init_fn.return_value = None
preview_renderer = ThemePreviewRenderer()
lyrics = 'hello {st}test{/st}\nline two\n[---]\nline after optional split'
preview_renderer._is_initialised = True
preview_renderer.log_debug = MagicMock()
preview_renderer._text_fits_on_slide = MagicMock(side_effect=lambda a: a == '')
preview_renderer.force_page = False
# WHEN: format_slide is run
formatted_slides = preview_renderer.format_slide(lyrics, None)
# THEN: The formatted slides should have all the text and no blank slides
assert formatted_slides == ['hello {st}test{/st}', 'line two', 'line after optional split']
def test_format_slide_no_split(settings):
"""
Test that the format_slide function doesn't split a slide that fits
"""
# GIVEN: Renderer where no text fits on screen (force one line per slide)
with patch('openlp.core.display.render.ThemePreviewRenderer.__init__') as init_fn:
init_fn.return_value = None
preview_renderer = ThemePreviewRenderer()
lyrics = 'line one\n[---]\nline two'
preview_renderer._is_initialised = True
preview_renderer.log_debug = MagicMock()
preview_renderer._text_fits_on_slide = MagicMock(return_value=True)
preview_renderer.force_page = False
# WHEN: format_slide is run
formatted_slides = preview_renderer.format_slide(lyrics, None)
# THEN: The formatted slides should have all the text and no blank slides
assert formatted_slides == ['line one<br>line two']