yesamer commented on code in PR #6254:
URL: 
https://github.com/apache/incubator-kie-drools/pull/6254#discussion_r1957774996


##########
drools-scenario-simulation/drools-scenario-simulation-backend/src/test/java/org/drools/scenariosimulation/backend/util/ScenarioSimulationXMLPersistenceTest.java:
##########
@@ -349,24 +353,58 @@ public void migrateIfNecessary() throws Exception {
     }
 
     @Test
-    public void extractVersion() {
-        String version = instance.extractVersion("<ScenarioSimulationModel 
version=\"1.0\" version=\"1.1\">");
-        assertThat(version).isEqualTo("1.0");
+    public void extractVersionNullDocument() {
+        assertThatThrownBy(() -> instance.extractVersion(null))
+                .isInstanceOf(IllegalArgumentException.class);
     }
 
     @Test
-    public void extractVersionWhenXmlPrologIsPresent() {
-        String version = instance.extractVersion("<?xml version=\"1.0\" 
encoding=\"UTF-8\"?>\n" +
-                                                         
"<ScenarioSimulationModel version=\"1.1\">");
+    public void extractVersionMissingAttribute() {
+        assertThatThrownBy(() -> 
instance.extractVersion(DOMParserUtil.getDocument("<ScenarioSimulationModel 
/>")))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    public void extractVersionWhenXmlPrologIsPresent() throws 
ParserConfigurationException, IOException, SAXException {
+        String version = 
instance.extractVersion(DOMParserUtil.getDocument("<?xml version=\"1.0\" 
encoding=\"UTF-8\"?>\n" +
+                "<ScenarioSimulationModel version=\"1.1\" />"));
         assertThat(version).isEqualTo("1.1");
     }
 
     @Test
-    public void extractVersionWhenMoreVersionAttributesArePresent() {
-        String version = instance.extractVersion("<?xml version=\"1.0\" 
encoding=\"UTF-8\"?>\n" +
-                                                         
"<ScenarioSimulationModel version=\"1.2\">\n" +
-                                                         "<someUnknownTag 
version=\"1.1\"/>\n" +
-                                                         
"</ScenarioSimulationModel>");
+    public void 
extractVersionWhenXmlPrologIsPresentAndWithMultipleAttributes1() throws 
ParserConfigurationException, IOException, SAXException {
+        String version = 
instance.extractVersion(DOMParserUtil.getDocument("<?xml version=\"1.0\" 
encoding=\"UTF-8\"?>\n" +
+                "<ScenarioSimulationModel version=\"1.1\" 
attribute1=\"whatever\" />"));
+        assertThat(version).isEqualTo("1.1");
+    }
+
+    @Test
+    public void 
extractVersionWhenXmlPrologIsPresentAndWithMultipleAttributes2() throws 
ParserConfigurationException, IOException, SAXException {
+        String version = 
instance.extractVersion(DOMParserUtil.getDocument("<?xml version=\"1.0\" 
encoding=\"UTF-8\"?>\n" +
+                "<ScenarioSimulationModel attribute1=\"whatever\" 
version=\"1.2\" />"));
+        assertThat(version).isEqualTo("1.2");
+    }
+
+    @Test
+    public void 
extractVersionWhenXmlPrologIsPresentAndWithMultipleAttributes3() throws 
ParserConfigurationException, IOException, SAXException  {
+        String version = 
instance.extractVersion(DOMParserUtil.getDocument("<?xml version=\"1.0\" 
encoding=\"UTF-8\"?>\n" +
+                "<ScenarioSimulationModel attribute2=\"whatever\" 
version=\"1.3\" attribute1=\"whatever\" />"));
+        assertThat(version).isEqualTo("1.3");
+    }
+
+    @Test
+    public void 
extractVersionWhenXmlPrologIsPresentAndWithMultipleAttributes4() throws 
ParserConfigurationException, IOException, SAXException {
+        String version = 
instance.extractVersion(DOMParserUtil.getDocument("<?xml version=\"1.0\" 
encoding=\"UTF-8\"?>\n" +
+                "<ScenarioSimulationModel attribute2=\"whatever\" 
attribute1=\"whatever\" version=\"1.4\" />"));
+        assertThat(version).isEqualTo("1.4");
+    }
+

Review Comment:
   Thank you @pibizza, that was my first intent, but scesim module is still 
based on JUnit 4, so I preferred to don't introduce Junit4 Parametrized tests 
in this class. About the explanation string, which approach do you suggest, 
please?



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