diff --git a/plugins/DigitalLibrary/src/DigitalFactoryProjectModel.py b/plugins/DigitalLibrary/src/DigitalFactoryProjectModel.py
index 30c04c7177..d76774cab1 100644
--- a/plugins/DigitalLibrary/src/DigitalFactoryProjectModel.py
+++ b/plugins/DigitalLibrary/src/DigitalFactoryProjectModel.py
@@ -21,7 +21,7 @@ class DigitalFactoryProjectModel(ListModel):
 
     dfProjectModelChanged = pyqtSignal()
 
-    def __init__(self, parent = None):
+    def __init__(self, parent = None) -> None:
         super().__init__(parent)
         self.addRoleName(self.DisplayNameRole, "displayName")
         self.addRoleName(self.LibraryProjectIdRole, "libraryProjectId")
diff --git a/plugins/DigitalLibrary/tests/TestDigitalFactoryProjectModel.py b/plugins/DigitalLibrary/tests/TestDigitalFactoryProjectModel.py
new file mode 100644
index 0000000000..c07eb5e8ba
--- /dev/null
+++ b/plugins/DigitalLibrary/tests/TestDigitalFactoryProjectModel.py
@@ -0,0 +1,60 @@
+
+from src.DigitalFactoryProjectModel import DigitalFactoryProjectModel
+from src.DigitalFactoryProjectResponse import DigitalFactoryProjectResponse
+
+
+project_1 = DigitalFactoryProjectResponse(library_project_id = "omg",
+                                              display_name = "zomg",
+                                              username = "nope",
+                                              organization_shared = True)
+
+project_2 = DigitalFactoryProjectResponse(library_project_id = "omg2",
+                                              display_name = "zomg2",
+                                              username = "nope",
+                                              organization_shared = False)
+
+project_3 = DigitalFactoryProjectResponse(library_project_id = "_omg3",
+                                              display_name = "zomg3",
+                                              username = "nope",
+                                              organization_shared = False)
+
+
+def test_setProjects():
+    model = DigitalFactoryProjectModel()
+
+    assert model.count == 0
+
+    model.setProjects([project_1, project_2])
+    assert model.count == 2
+
+    assert model.getItem(0)["displayName"] == "zomg"
+    assert model.getItem(1)["displayName"] == "zomg2"
+
+
+def test_clearProjects():
+    model = DigitalFactoryProjectModel()
+    model.setProjects([project_1, project_2])
+    model.clearProjects()
+    assert model.count == 0
+
+
+def test_setProjectMultipleTimes():
+    model = DigitalFactoryProjectModel()
+    model.setProjects([project_1, project_2])
+    model.setProjects([project_2])
+    assert model.count == 1
+    assert model.getItem(0)["displayName"] == "zomg2"
+
+
+def test_extendProjects():
+    model = DigitalFactoryProjectModel()
+
+    assert model.count == 0
+
+    model.setProjects([project_1])
+    assert model.count == 1
+
+    model.extendProjects([project_2])
+    assert model.count == 2
+    assert model.getItem(0)["displayName"] == "zomg"
+    assert model.getItem(1)["displayName"] == "zomg2"