Files
tuir/tests/test_theme.py
Michael Lazar fe29017d44 Lots of tests
2017-09-20 22:32:58 -04:00

252 lines
7.7 KiB
Python

import os
import curses
from collections import OrderedDict
from tempfile import NamedTemporaryFile
import pytest
from rtv.theme import Theme
from rtv.config import DEFAULT_THEMES
from rtv.exceptions import ConfigError
try:
from unittest import mock
except ImportError:
import mock
INVALID_ELEMENTS = OrderedDict([
('too_few_items', 'Upvote = blue\n'),
('too_many_items', 'Upvote = blue blue bold underline\n'),
('invalid_fg', 'Upvote = invalid blue\n'),
('invalid_bg', 'Upvote = blue invalid\n'),
('invalid_attr', 'Upvote = blue blue bold+invalid\n'),
('invalid_hex', 'Upvote = #fffff blue\n'),
('invalid_hex2', 'Upvote = #gggggg blue\n'),
('out_of_range', 'Upvote = ansi_256 blue\n')
])
def test_theme_invalid_source():
with pytest.raises(ValueError):
Theme(name='default', source=None)
with pytest.raises(ValueError):
Theme(name=None, source='installed')
def test_theme_default_construct():
theme = Theme()
assert theme.name == 'default'
assert theme.source == 'built-in'
assert theme.required_colors == 8
assert theme.required_color_pairs == 6
for fg, bg, attr in theme.elements.values():
assert isinstance(fg, int)
assert isinstance(bg, int)
assert isinstance(attr, int)
def test_theme_monochrome_construct():
theme = Theme(use_color=False)
assert theme.name == 'monochrome'
assert theme.source == 'built-in'
assert theme.required_colors == 0
assert theme.required_color_pairs == 0
def test_theme_256_construct():
elements = {'CursorBar1': (None, 101, curses.A_UNDERLINE)}
theme = Theme(elements=elements)
assert theme.elements['CursorBar1'] == (-1, 101, curses.A_UNDERLINE)
assert theme.required_colors == 256
def test_theme_element_selected_attributes():
elements = {
'Normal': (1, 2, curses.A_REVERSE),
'Selected': (2, 3, None),
'TitleBar': (4, None, curses.A_BOLD),
'Link': (5, None, None)}
theme = Theme(elements=elements)
assert theme.elements['Normal'] == (1, 2, curses.A_REVERSE)
# All of the normal elements fallback to the attributes of "Normal"
assert theme.elements['Selected'] == (2, 3, curses.A_REVERSE)
assert theme.elements['TitleBar'] == (4, 2, curses.A_BOLD)
assert theme.elements['Link'] == (5, 2, curses.A_REVERSE)
# The @Selected mode will overwrite any other attributes with
# the ones defined in "Selected". Because "Selected" defines
# a foreground and a background color, they will override the
# ones that "Link" had defined.
assert theme.elements['@Link'] == (2, 3, curses.A_REVERSE)
assert '@Normal' not in theme.elements
assert '@Selected' not in theme.elements
assert '@TitleBar' not in theme.elements
def test_theme_default_cfg_matches_builtin():
filename = os.path.join(DEFAULT_THEMES, 'default.cfg.example')
default_theme = Theme.from_file(filename, 'built-in')
# The default theme file should match the hardcoded values
assert default_theme.elements == Theme().elements
# Make sure that the elements passed into the constructor exactly match
# up with the hardcoded elements
class MockTheme(Theme):
def __init__(self, name=None, source=None, elements=None):
assert name == 'default.cfg'
assert source == 'preset'
assert elements == Theme.DEFAULT_ELEMENTS
MockTheme.from_file(filename, 'preset')
args, ids = INVALID_ELEMENTS.values(), list(INVALID_ELEMENTS)
@pytest.mark.parametrize('line', args, ids=ids)
def test_theme_from_file_invalid(line):
with NamedTemporaryFile(mode='w+') as fp:
fp.write('[theme]\n')
fp.write(line)
fp.flush()
with pytest.raises(ConfigError):
Theme.from_file(fp.name, 'installed')
def test_theme_from_file():
with NamedTemporaryFile(mode='w+') as fp:
with pytest.raises(ConfigError):
Theme.from_file(fp.name, 'installed')
fp.write('[theme]\n')
fp.write('Unknown = - -\n')
fp.write('Upvote = - red\n')
fp.write('Downvote = ansi_255 default bold\n')
fp.write('NeutralVote = #000000 #ffffff bold+reverse\n')
fp.flush()
theme = Theme.from_file(fp.name, 'installed')
assert theme.source == 'installed'
assert 'Unknown' not in theme.elements
assert theme.elements['Upvote'] == (
-1, curses.COLOR_RED, curses.A_NORMAL)
assert theme.elements['Downvote'] == (
255, -1, curses.A_BOLD)
assert theme.elements['NeutralVote'] == (
16, 231, curses.A_BOLD | curses.A_REVERSE)
def test_theme_from_name():
with NamedTemporaryFile(mode='w+', suffix='.cfg') as fp:
path, filename = os.path.split(fp.name)
theme_name = filename[:-4]
fp.write('[theme]\n')
fp.write('Upvote = default default\n')
fp.flush()
# Full file path
theme = Theme.from_name(fp.name, path=path)
assert theme.name == theme_name
assert theme.source == 'custom'
assert theme.elements['Upvote'] == (-1, -1, curses.A_NORMAL)
# Relative to the directory
theme = Theme.from_name(theme_name, path=path)
assert theme.name == theme_name
assert theme.source == 'installed'
assert theme.elements['Upvote'] == (-1, -1, curses.A_NORMAL)
# Invalid theme name
with pytest.raises(ConfigError, path=path):
theme.from_name('invalid_theme_name')
def test_theme_initialize_attributes(stdscr):
theme = Theme()
with pytest.raises(RuntimeError):
theme.get('Upvote')
theme.bind_curses()
assert len(theme._color_pair_map) == theme.required_color_pairs
for element in Theme.DEFAULT_ELEMENTS:
assert isinstance(theme.get(element), int)
theme = Theme(use_color=False)
theme.bind_curses()
def test_theme_initialize_attributes_monochrome(stdscr):
theme = Theme(use_color=False)
theme.bind_curses()
theme.get('Upvote')
# Avoid making these curses calls if colors aren't initialized
assert not curses.init_pair.called
assert not curses.color_pair.called
def test_theme_list_themes():
with NamedTemporaryFile(mode='w+', suffix='.cfg') as fp:
path, filename = os.path.split(fp.name)
theme_name = filename[:-4]
fp.write('[theme]\n')
fp.flush()
Theme.print_themes(path)
themes, errors = Theme.list_themes(path)
assert not errors
theme_strings = [t.display_string for t in themes]
assert theme_name + ' (installed)' in theme_strings
assert 'default (built-in)' in theme_strings
assert 'monochrome (built-in)' in theme_strings
assert 'molokai (preset)' in theme_strings
def test_theme_list_themes_invalid():
with NamedTemporaryFile(mode='w+', suffix='.cfg') as fp:
path, filename = os.path.split(fp.name)
theme_name = filename[:-4]
fp.write('[theme]\n')
fp.write('Upvote = invalid value\n')
fp.flush()
Theme.print_themes(path)
themes, errors = Theme.list_themes(path)
assert ('installed', theme_name) in errors
def test_theme_presets_define_all_elements():
# The themes in the preset themes/ folder should have all of the valid
# elements defined in their configuration.
class MockTheme(Theme):
def __init__(self, name=None, source=None, elements=None, use_color=True):
if source == 'preset':
assert elements.keys() == Theme.DEFAULT_ELEMENTS.keys()
super(MockTheme, self).__init__(name, source, elements, use_color)
themes, errors = MockTheme.list_themes()
assert sum(theme.source == 'preset' for theme in themes) >= 4