emmental/tests/nowplaying/test_label.py

63 lines
2.1 KiB
Python

# Copyright 2022 (c) Anna Schumaker.
"""Tests our modified Gtk.Label."""
import unittest
import emmental.nowplaying.label
from gi.repository import GLib
from gi.repository import Gtk
from gi.repository import Pango
class TestLabel(unittest.TestCase):
"""Test case for our custom Label."""
def setUp(self, prefix=""):
"""Set up common variables."""
self.label = emmental.nowplaying.label.Label(prefix=prefix)
def test_init(self):
"""Test that the label is configured correctly."""
self.assertIsInstance(self.label, Gtk.Label)
self.assertIsNone(self.label.get_attributes())
self.assertEqual(self.label.get_xalign(), 0)
label = emmental.nowplaying.label.Label(visible=False)
self.assertFalse(label.get_visible())
def test_set_text(self):
"""Test setting label text."""
self.assertEqual(self.label.text, "")
self.assertEqual(self.label.get_text(), "")
for text in ["Test Text", ""]:
with self.subTest(text=text):
self.label.text = text
self.assertEqual(self.label.text, text)
self.assertEqual(self.label.get_text(), text)
def test_prefix(self):
"""Test the prefix property."""
self.setUp(prefix="Prefix ")
self.assertEqual(self.label.prefix, "Prefix ")
self.assertEqual(self.label.text, "")
self.assertEqual(self.label.get_text(), "")
for text in ["Test Text", ""]:
with self.subTest(text=text):
self.label.text = text
self.assertEqual(self.label.text, text)
self.assertEqual(self.label.get_text(),
"Prefix Test Text" if len(text) else "")
def test_size(self):
"""Test the size property."""
self.assertEqual(self.label.size, 0)
expected = f"0 {GLib.MAXUINT} absolute-size"
for size in [42, 20]:
with self.subTest(size=size):
self.label.size = size
self.assertEqual(self.label.get_attributes().to_string(),
f"{expected} {size * Pango.SCALE}")