gtk: Add a MessagesView to the XfstestsView

This is placed in a Gtk.Stack with a nice transition to show the failed
tests log.

Signed-off-by: Anna Schumaker <anna@nowheycreamery.com>

tests/gtk/test_view.py

@@ -494,17 +494,32 @@ class TestXfstestsView(unittest.TestCase):
                               xfstestsdb.gtk.view.PropertyView)
         self.assertEqual(sep.get_next_sibling(), self.view._propertyview)
 
-    def test_testcase_view(self):
-        """Check that the XfstestsView sets up a TestCaseView correctly."""
+    def test_stack(self):
+        """Check that the XfstestsView sets u a Gtk.Stack correctly."""
         sep = self.view._propertyview.get_next_sibling()
         self.assertIsInstance(sep, Gtk.Separator)
+        self.assertIsInstance(self.view._stack, Gtk.Stack)
+        self.assertEqual(self.view._stack.props.transition_type,
+                         Gtk.StackTransitionType.OVER_LEFT_RIGHT)
+        self.assertEqual(sep.get_next_sibling(), self.view._stack)
+
+    def test_testcase_view(self):
+        """Check that the XfstestsView sets up a TestCaseView correctly."""
         self.assertIsInstance(self.view._testcaseview,
                               xfstestsdb.gtk.view.TestCaseView)
-        self.assertEqual(sep.get_next_sibling(), self.view._testcaseview)
+        self.assertEqual(self.view._stack.get_child_by_name("testcases"),
+                         self.view._testcaseview)
+
+    def test_messages_view(self):
+        """Check that the XfstestsView sets up a MessagesView correctly."""
+        self.assertIsInstance(self.view._messagesview,
+                              xfstestsdb.gtk.view.MessagesView)
+        self.assertEqual(self.view._stack.get_child_by_name("messages"),
+                         self.view._messagesview)
 
     def test_summary_view(self):
         """Check that the XfstestsView sets up a SummaryView correctly."""
-        sep = self.view._testcaseview.get_next_sibling()
+        sep = self.view._stack.get_next_sibling()
         self.assertIsInstance(sep, Gtk.Separator)
         self.assertIsInstance(self.view._summaryview,
                               xfstestsdb.gtk.view.SummaryView)
@@ -538,3 +553,21 @@ class TestXfstestsView(unittest.TestCase):
         """Test the XfstestsView 'filterbuttons' property."""
         self.assertEqual(self.view.filterbuttons,
                          self.view._testcaseview.filterbuttons)
+
+    def test_messages(self):
+        """Test displaying messages to the user."""
+        self.assertEqual(self.view._stack.get_visible_child_name(),
+                         "testcases")
+
+        self.view._testcaseview.emit("show-messages", "testcase",
+                                     "xunit", "stdout", "stderr")
+        self.assertEqual(self.view._stack.get_visible_child_name(),
+                         "messages")
+        self.assertEqual(self.view._messagesview.testcase, "testcase")
+        self.assertEqual(self.view._messagesview.xunit, "xunit")
+        self.assertEqual(self.view._messagesview.stdout, "stdout")
+        self.assertEqual(self.view._messagesview.stderr, "stderr")
+
+        self.view._messagesview.emit("go-back")
+        self.assertEqual(self.view._stack.get_visible_child_name(),
+                         "testcases")

xfstestsdb/gtk/view.py

@@ -299,10 +299,13 @@ class XfstestsView(Gtk.Box):
 
     def __init__(self):
         """Initialize an XfstestsView."""
+        animation = Gtk.StackTransitionType.OVER_LEFT_RIGHT
         super().__init__(orientation=Gtk.Orientation.VERTICAL)
         self._environview = EnvironmentView()
         self._propertyview = PropertyView()
         self._testcaseview = TestCaseView()
+        self._messagesview = MessagesView()
+        self._stack = Gtk.Stack(transition_type=animation)
         self._summaryview = SummaryView()
 
         self.bind_property("environment", self._environview, "model")
@@ -310,14 +313,31 @@ class XfstestsView(Gtk.Box):
         self.bind_property("model", self._testcaseview, "model")
         self.bind_property("summary", self._summaryview, "model")
 
+        self._testcaseview.connect("show-messages", self.__show_messages)
+        self._messagesview.connect("go-back", self.__show_testcases)
+
+        self._stack.add_named(self._testcaseview, "testcases")
+        self._stack.add_named(self._messagesview, "messages")
+
         self.append(self._environview)
         self.append(Gtk.Separator())
         self.append(self._propertyview)
         self.append(Gtk.Separator())
-        self.append(self._testcaseview)
+        self.append(self._stack)
         self.append(Gtk.Separator())
         self.append(self._summaryview)
 
+    def __show_messages(self, view: TestCaseView, testcase: str,
+                        xunit: str, stdout: str, stderr: str) -> None:
+        self._messagesview.testcase = testcase
+        self._messagesview.xunit = xunit
+        self._messagesview.stdout = stdout
+        self._messagesview.stderr = stderr
+        self._stack.set_visible_child_name("messages")
+
+    def __show_testcases(self, view: MessagesView) -> None:
+        self._stack.set_visible_child_name("testcases")
+
     @GObject.Property(type=FilterButtons)
     def filterbuttons(self) -> FilterButtons:
         """Get the FilterButtons attached to the child TestCaseView."""