1 files changed, 73 insertions, 0 deletions
diff --git a/tests/test_mainwindow_undostack.py b/tests/test_mainwindow_undostack.py
new file mode 100644
index 0000000..1eec1ef
--- /dev/null
+++ b/tests/test_mainwindow_undostack.py
@@ -0,0 +1,73 @@
+from pytest import fixture
+from pytestqt import qtbot
+from avp.gui.mainwindow import MainWindow
+from . import getTestDataPath
+
+
+@fixture
+def window(qtbot):
+    window = MainWindow(None, None)
+    qtbot.addWidget(window)
+    window.settings.setValue("outputWidth", 1920)
+    window.settings.setValue("outputHeight", 1080)
+    yield window
+
+
+def test_undo_classic_visualizer_sensitivity(window, qtbot):
+    """Undo Classic Visualizer component sensitivity setting
+    should undo multiple merged actions."""
+    window.core.insertComponent(
+        0, window.core.moduleIndexFor("Classic Visualizer"), window
+    )
+    comp = window.core.selectedComponents[0]
+    comp.imagePath = getTestDataPath("test.jpg")
+    for i in range(1, 100):
+        comp.page.spinBox_scale.setValue(i)
+    assert comp.scale == 99
+    window.undoStack.undo()
+    assert comp.scale == 20
+
+
+def test_undo_image_scale(window, qtbot):
+    """Undo Image component scale setting should undo multiple merged actions."""
+    window.core.insertComponent(0, window.core.moduleIndexFor("Image"), window)
+    comp = window.core.selectedComponents[0]
+    comp.imagePath = getTestDataPath("test.jpg")
+    comp.page.spinBox_scale.setValue(100)
+    for i in range(10, 401):
+        comp.page.spinBox_scale.setValue(i)
+    assert comp.scale == 400
+    window.undoStack.undo()
+    assert comp.scale == 10
+    window.undoStack.undo()
+    assert comp.scale == 100
+
+
+def test_undo_image_resizeMode(window, qtbot):
+    window.core.insertComponent(0, window.core.moduleIndexFor("Image"), window)
+    comp = window.core.selectedComponents[0]
+    comp.page.comboBox_resizeMode.setCurrentIndex(1)
+    assert not comp.page.spinBox_scale.isEnabled()
+    window.undoStack.undo()
+    assert comp.page.spinBox_scale.isEnabled()
+
+
+def test_undo_title_text_merged(window, qtbot):
+    """Undoing title text change should undo all recent changes."""
+    window.core.insertComponent(0, window.core.moduleIndexFor("Title Text"), window)
+    comp = window.core.selectedComponents[0]
+    comp.page.lineEdit_title.setText("avp")
+    comp.page.lineEdit_title.setText("test")
+    window.undoStack.undo()
+    assert comp.title == "Text"
+
+
+def test_undo_title_text_not_merged(window, qtbot):
+    """Undoing title text change should undo up to previous different action"""
+    window.core.insertComponent(0, window.core.moduleIndexFor("Title Text"), window)
+    comp = window.core.selectedComponents[0]
+    comp.page.lineEdit_title.setText("avp")
+    comp.page.spinBox_xTextAlign.setValue(0)
+    comp.page.lineEdit_title.setText("test")
+    window.undoStack.undo()
+    assert comp.title == "avp"