Exhaustive tests for instantiate operation

unit/test_all.py

@@ -1315,6 +1315,117 @@ class TestModelverse(unittest.TestCase):
         except CompilationError:
             pass
 
+    def test_op_instantiate(self):
+        model_add("users/user/test/a", "formalisms/SimpleClassDiagrams")
+        assert element_list("users/user/test/a") == set([])
+
+        # Instantiate node element
+        ID = instantiate("users/user/test/a", "Class")
+        assert element_list("users/user/test/a") == set([(ID, "Class")])
+        assert read_info("users/user/test/a", ID) == ("Class", None)
+
+        # Instantiate node element with ID
+        ID2 = instantiate("users/user/test/a", "Class", ID="new_node")
+        assert ID2 == "new_node"
+        assert element_list("users/user/test/a") == set([(ID, "Class"), (ID2, "Class")])
+        assert read_info("users/user/test/a", ID2) == ("Class", None)
+
+        # Instantiate edge element
+        ID3 = instantiate("users/user/test/a", "Association", edge=(ID, ID2))
+        assert element_list("users/user/test/a") == set([(ID, "Class"), (ID2, "Class"), (ID3, "Association")])
+        assert read_info("users/user/test/a", ID3) == ("Association", (ID, ID2))
+
+        # Instantiate edge element with ID
+        ID4 = instantiate("users/user/test/a", "Association", edge=(ID, ID2), ID="new_edge")
+        assert ID4 == "new_edge"
+        assert element_list("users/user/test/a") == set([(ID, "Class"), (ID2, "Class"), (ID3, "Association"), (ID4, "Association")])
+        assert read_info("users/user/test/a", ID4) == ("Association", (ID, ID2))
+
+        # Instantiate edge from edge (source)
+        ID5 = instantiate("users/user/test/a", "Association", edge=(ID3, ID))
+        assert element_list("users/user/test/a") == set([(ID, "Class"), (ID2, "Class"), (ID3, "Association"), (ID4, "Association"), (ID5, "Association")])
+        assert read_info("users/user/test/a", ID5) == ("Association", (ID3, ID))
+
+        # Instantiate edge from edge (target)
+        ID6 = instantiate("users/user/test/a", "Association", edge=(ID, ID3))
+        assert element_list("users/user/test/a") == set([(ID, "Class"), (ID2, "Class"), (ID3, "Association"), (ID4, "Association"), (ID5, "Association"), (ID6, "Association")])
+        assert read_info("users/user/test/a", ID6) == ("Association", (ID, ID3))
+
+        # Instantiate edge from edge (source and target)
+        ID7 = instantiate("users/user/test/a", "Association", edge=(ID3, ID4))
+        assert element_list("users/user/test/a") == set([(ID, "Class"), (ID2, "Class"), (ID3, "Association"), (ID4, "Association"), (ID5, "Association"), (ID6, "Association"), (ID7, "Association")])
+        assert read_info("users/user/test/a", ID7) == ("Association", (ID3, ID4))
+
+        # Non-existing model
+        try:
+            instantiate("users/afa", "Association")
+            self.fail()
+        except UnknownModel:
+            pass
+
+        # Non-existing element
+        before = element_list("users/user/test/a")
+        try:
+            instantiate("users/user/test/a", "AAAAAAA")
+            self.fail()
+        except UnknownElement:
+            assert element_list("users/user/test/a") == before
+
+        # No read permissions
+        try:
+            instantiate("administration/core", "formalisms")
+            self.fail()
+        except ReadPermissionDenied:
+            pass
+
+        # No write permissions
+        before = element_list("users/user/test/a")
+        try:
+            instantiate("formalisms/SimpleClassDiagrams", "Class")
+            self.fail()
+        except WritePermissionDenied:
+            assert element_list("users/user/test/a") == before
+
+        # Pre-existing ID requested (node)
+        before = element_list("users/user/test/a")
+        try:
+            instantiate("users/user/test/a", "Class", ID=ID)
+            self.fail()
+        except ElementExists:
+            assert element_list("users/user/test/a") == before
+
+        # Pre-existing ID requested (edge)
+        before = element_list("users/user/test/a")
+        try:
+            instantiate("users/user/test/a", "Association", ID=ID, edge=(ID2, ID3))
+            self.fail()
+        except ElementExists:
+            assert element_list("users/user/test/a") == before
+
+        # Edge from non-existing ID
+        before = element_list("users/user/test/a")
+        try:
+            instantiate("users/user/test/a", "Association", ID=ID, edge=("non-existing", ID3))
+            self.fail()
+        except ElementExists:
+            assert element_list("users/user/test/a") == before
+
+        # Edge to non-existing ID
+        before = element_list("users/user/test/a")
+        try:
+            instantiate("users/user/test/a", "Association", ID=ID, edge=("non-existing", ID3))
+            self.fail()
+        except ElementExists:
+            assert element_list("users/user/test/a") == before
+
+        # Edge both non-existing ID
+        before = element_list("users/user/test/a")
+        try:
+            instantiate("users/user/test/a", "Association", ID=ID, edge=("non-existing", "non-existing2"))
+            self.fail()
+        except ElementExists:
+            assert element_list("users/user/test/a") == before
+
     """
     def test_op_model_render(self):
     def test_op_transformation_between(self):
@@ -1337,7 +1448,6 @@ class TestModelverse(unittest.TestCase):
     def test_op_group_list(self):
     def test_op_conformance_delete(self):
     def test_op_conformance_add(self):
-    def test_op_instantiate(self):
     def test_op_delete_element(self):
     def test_op_AL_text(self):
     def test_op_read_outgoing(self):