def test_replacements(self):
manager = QgsApplication.fontManager()
format = QgsTextFormat()
font = QFont('original family')
format.setFont(font)
self.assertEqual(format.font().family(), 'original family')
doc = QDomDocument()
context = QgsReadWriteContext()
elem = format.writeXml(doc, context)
parent = doc.createElement("settings")
parent.appendChild(elem)
t2 = QgsTextFormat()
t2.readXml(parent, context)
self.assertFalse(t2.fontFound())
self.assertEqual(context.takeMessages()[0].message(),
'Font “original family” not available on system')
# with a font replacement in place
test_font = getTestFont()
manager.addFontFamilyReplacement('original Family', test_font.family())
t3 = QgsTextFormat()
t3.readXml(parent, context)
self.assertTrue(t3.fontFound())
self.assertEqual(t3.font().family(), 'QGIS Vera Sans')
