<Bug>[Sequence Diagrams]: <Fix duplicate links>

[
* Update unit tests to ensure correct # of links
* Update version
]

[#82]

Author: hasii2011

src/untanglepyut/UnTangleSequenceDiagram.py

@@ -102,8 +102,9 @@ def _untangleSDMessages(self, pyutDocument: Element) -> OglSDMessages:
 
             oglSDMessage: OglSDMessage = OglSDMessage(srcSDInstance=srcInstance, pyutSDMessage=pyutSDMessage, dstSDInstance=dstInstance)
 
-            srcInstance.addLink(link=oglSDMessage)
-            dstInstance.addLink(link=oglSDMessage)
+            # This is done by the constructor above
+            # srcInstance.addLink(link=oglSDMessage)
+            # dstInstance.addLink(link=oglSDMessage)
 
             oglSDMessages[pyutSDMessage.id] = oglSDMessage
 

src/untanglepyut/_version.py

@@ -1 +1 @@
-__version__: str = '2.4.0'
+__version__: str = '2.5.0'

tests/untanglepyut/v11/TestUnTangleSequenceDiagram.py

@@ -1,3 +1,4 @@
+from typing import cast
 from unittest import TestSuite
 from unittest import main as unitTestMain
 
@@ -83,6 +84,22 @@ def testOglSdInstance(self):
         self.assertEqual('OzzeeInstance', oglSDInstance.pyutObject.instanceName, 'Incorrect instance name')
         self.assertEqual(200, oglSDInstance.pyutObject.instanceLifeLineLength,           '')
 
+    def testOnlySingleLinksCreated(self):
+
+        unTangleSequenceDiagram: UnTangleSequenceDiagram = self._untangleSequenceDiagramDocument()
+
+        oglSDInstances: OglSDInstances = unTangleSequenceDiagram.oglSDInstances
+
+        for sdInstance in oglSDInstances.values():
+            oglSDInstance: OglSDInstance = cast(OglSDInstance, sdInstance)
+            instanceName: str = oglSDInstance.pyutObject.instanceName
+            if instanceName == 'hasiiInstance':
+                self.assertEqual(1, len(oglSDInstance.links), f'`{instanceName}` Should have a single message')
+            elif instanceName == 'franInstance':
+                self.assertEqual(3, len(oglSDInstance.links), f'`{instanceName}` Should have a single message')
+            elif instanceName == 'OzzeeInstance':
+                self.assertEqual(2, len(oglSDInstance.links), f'`{instanceName}` Should have a single message')
+
     def _untangleSequenceDiagramDocument(self) -> UnTangleSequenceDiagram:
 
         root:            Element = parse(V11_SEQUENCE_DIAGRAM_DOCUMENT)