Unit test for QgsMessageBarItem::dismiss

tests/src/gui/CMakeLists.txt

@@ -127,6 +127,7 @@ ADD_QGIS_TEST(fieldexpressionwidget testqgsfieldexpressionwidget.cpp)
 ADD_QGIS_TEST(filewidget testqgsfilewidget.cpp)
 ADD_QGIS_TEST(focuswatcher testqgsfocuswatcher.cpp)
 ADD_QGIS_TEST(mapcanvastest testqgsmapcanvas.cpp)
+ADD_QGIS_TEST(messagebartest testqgsmessagebar.cpp)
 ADD_QGIS_TEST(projectionissues testprojectionissues.cpp)
 ADD_QGIS_TEST(qgsguitest testqgsgui.cpp)
 ADD_QGIS_TEST(processingguitest testprocessinggui.cpp)

tests/src/gui/testqgsmessagebar.cpp

@@ -0,0 +1,86 @@
+/***************************************************************************
+    testqgsmessagebar.cpp
+     --------------------------------------
+    Date                 : October 2018
+    Copyright            : (C) 2018 Nyall Dawson
+    Email                : nyall dot dawson at gmail dot com
+ ***************************************************************************
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+
+#include "qgstest.h"
+
+#include "qgsmessagebar.h"
+#include "qgsmessagebaritem.h"
+#include <memory>
+
+class TestQgsMessageBar: public QObject
+{
+    Q_OBJECT
+  private slots:
+    void initTestCase(); // will be called before the first testfunction is executed.
+    void cleanupTestCase(); // will be called after the last testfunction was executed.
+    void init(); // will be called before each testfunction is executed.
+    void cleanup(); // will be called after every testfunction.
+    void dismiss();
+
+};
+
+void TestQgsMessageBar::initTestCase()
+{
+
+}
+
+void TestQgsMessageBar::cleanupTestCase()
+{
+}
+
+void TestQgsMessageBar::init()
+{
+}
+
+void TestQgsMessageBar::cleanup()
+{
+}
+
+void TestQgsMessageBar::dismiss()
+{
+  QgsMessageBar bar;
+  bar.show();
+  QVERIFY( !bar.currentItem() );
+
+  QgsMessageBarItem *item = new QgsMessageBarItem( QStringLiteral( "test" ) );
+  QPointer< QgsMessageBarItem > pItem( item );
+  item->dismiss(); // should do nothing, not in a bar yet
+  QgsApplication::sendPostedEvents( nullptr, QEvent::DeferredDelete );
+  for ( int i = 1; i < 100; ++i )
+  {
+    QApplication::processEvents();
+  }
+  QCOMPARE( pItem.data(), item );
+
+
+  bar.pushItem( item );
+  QCOMPARE( bar.currentItem(), item );
+
+  item->dismiss();
+  QgsApplication::sendPostedEvents( nullptr, QEvent::DeferredDelete );
+
+  for ( int i = 1; i < 100; ++i )
+  {
+    QApplication::processEvents();
+  }
+  QVERIFY( !bar.currentItem() );
+  QVERIFY( !pItem.data() );
+}
+
+
+
+QGSTEST_MAIN( TestQgsMessageBar )
+#include "testqgsmessagebar.moc"