add test for QgsReadWriteContext.enterCategory

tests/src/python/CMakeLists.txt

@@ -154,6 +154,7 @@ ADD_PYTHON_TEST(PyQgsTabfileProvider test_provider_tabfile.py)
 ADD_PYTHON_TEST(PyQgsTabWidget test_qgstabwidget.py)
 ADD_PYTHON_TEST(PyQgsTextRenderer test_qgstextrenderer.py)
 ADD_PYTHON_TEST(PyQgsOGRProvider test_provider_ogr.py)
+ADD_PYTHON_TEST(PyQgsReadWriteContext test_qgsreadwritecontext.py)
 ADD_PYTHON_TEST(PyQgsSearchWidgetToolButton test_qgssearchwidgettoolbutton.py)
 ADD_PYTHON_TEST(PyQgsSearchWidgetWrapper test_qgssearchwidgetwrapper.py)
 ADD_PYTHON_TEST(PyQgsShortcutsManager test_qgsshortcutsmanager.py)

tests/src/python/test_qgsreadwritecontext.py

@@ -0,0 +1,56 @@
+# -*- coding: utf-8 -*-
+"""QGIS Unit tests for QgsReadWriteContext.
+
+.. note:: 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 2 of the License, or
+(at your option) any later version.
+"""
+
+__author__ = 'Denis Rouzaud'
+__date__ = '28.02.2018'
+__copyright__ = 'Copyright 2017, The QGIS Project'
+# This will get replaced with a git SHA1 when you do a git archive
+__revision__ = '$Format:%H$'
+
+import qgis  # NOQA
+
+
+from qgis.core import Qgis, QgsReadWriteContext
+from qgis.testing import unittest
+
+
+class TestQgsReadWriteContext(unittest.TestCase):
+
+    def testEnterCategory(self):
+        context = QgsReadWriteContext()
+        context.pushMessage('msg0', Qgis.Critical)
+        with QgsReadWriteContext.enterCategory(context, 'cat1'):
+            context.pushMessage('msg1', Qgis.Warning)
+            with QgsReadWriteContext.enterCategory(context, 'cat2', "detail2"):
+                context.pushMessage('msg2')
+            context.pushMessage('msg3')
+        context.pushMessage('msg4')
+
+        messages = context.takeMessages()
+
+        self.assertEqual(messages[0].message(), 'msg0')
+        self.assertEqual(messages[0].level(), Qgis.Critical)
+        self.assertEqual(messages[0].categories(), [])
+
+        self.assertEqual(messages[1].message(), 'msg1')
+        self.assertEqual(messages[1].level(), Qgis.Warning)
+        self.assertEqual(messages[1].categories(), ['cat1'])
+
+        self.assertEqual(messages[2].message(), 'msg2')
+        self.assertEqual(messages[2].categories(), ['cat1', 'cat2 :: detail2'])
+
+        self.assertEqual(messages[3].message(), 'msg3')
+        self.assertEqual(messages[3].categories(), ['cat1'])
+
+        self.assertEqual(messages[4].message(), 'msg4')
+        self.assertEqual(messages[4].categories(), [])
+
+
+if __name__ == '__main__':
+    unittest.main()