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# -*- coding: utf-8 -*-
"""
Tests for the user interface elements of Mu.
"""
from unittest import mock
import mu.interface.themes
import mu.interface.editor
def test_constants():
"""
Ensure the expected constant values exist.
"""
assert mu.interface.themes.NIGHT_STYLE
assert mu.interface.themes.DAY_STYLE
def test_Font():
"""
Ensure the Font class works as expected with default and passed in args.
"""
f = mu.interface.themes.Font()
# Defaults
assert f.color == "#181818"
assert f.paper == "#FEFEF7"
assert f.bold is False
assert f.italic is False
# Passed in arguments
f = mu.interface.themes.Font(
color="pink", paper="black", bold=True, italic=True
)
assert f.color == "pink"
assert f.paper == "black"
assert f.bold
assert f.italic
def test_theme_apply_to():
"""
Ensure that the apply_to class method updates the passed in lexer with the
expected font settings.
"""
lexer = mu.interface.editor.PythonLexer()
theme = mu.interface.themes.DayTheme()
lexer.setFont = mock.MagicMock(return_value=None)
lexer.setColor = mock.MagicMock(return_value=None)
lexer.setEolFill = mock.MagicMock(return_value=None)
lexer.setPaper = mock.MagicMock(return_value=None)
theme.apply_to(lexer)
fstrings = 4 if hasattr(lexer, "DoubleQuotedFString") else 0
assert lexer.setFont.call_count == 17 + fstrings
assert lexer.setColor.call_count == 16 + fstrings
assert lexer.setEolFill.call_count == 16 + fstrings
assert lexer.setPaper.call_count == 16 + fstrings
def test_Font_loading():
mu.interface.themes.Font._DATABASE = None
try:
with mock.patch("mu.interface.themes.QFontDatabase") as db:
mu.interface.themes.Font().load()
mu.interface.themes.Font(bold=True).load()
mu.interface.themes.Font(italic=True).load()
mu.interface.themes.Font(bold=True, italic=True).load()
finally:
mu.interface.themes.Font._DATABASE = None
db.assert_called_once_with()
# in debian, the font is Inconsolata
db().font.assert_has_calls(
[
mock.call("Inconsolata", "Regular", 14),
mock.call("Inconsolata", "Semibold", 14),
mock.call("Inconsolata", "Italic", 14),
mock.call("Inconsolata", "Semibold Italic", 14),
]
)
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