/** * Creates list with clusters. For each InvocationSequenceData in the Time Wasting Operation a * cluster is build initially. * * @return Returns a list of causeCluster. */ private List<CauseCluster> populateCauseCluster() { List<InvocationSequenceData> causeInvocations = timeWastingOperation.getRawInvocationsSequenceElements(); List<CauseCluster> causeClusters = new LinkedList<>(); for (InvocationSequenceData invocation : causeInvocations) { causeClusters.add(new CauseCluster(invocation)); } return causeClusters; }
if (cluster.getDistanceToNextCluster() > distance) { if (clustersToMerge.size() > 1) { newClusters.add(new CauseCluster(clustersToMerge)); merged = true; } else {
/** * In case there is just one cause invocation then the parent of the problem context is the * cause invocation, otherwise a new instance of CauseCluster will be created with the only * invocation in the list. * * @param causeInvocation * Invocation to get the parent of it if is the only one itself it has no parent. * @return Returns the CauseCluster. */ private CauseCluster getCauseCluster(InvocationSequenceData causeInvocation) { if ((causeInvocation.getParentSequence() != null) && !(causeInvocation.equals(globalContext))) { CauseCluster causeCluster = new CauseCluster(causeInvocation.getParentSequence()); causeCluster.getCauseInvocations().clear(); causeCluster.getCauseInvocations().add(causeInvocation); return causeCluster; } else { return new CauseCluster(causeInvocation); } }
@Test public void wrongGlobalContextResultsInWrongCommonContext() { long methodIdent = 108L; InvocationSequenceData root = new InvocationSequenceData(DEF_DATE, 10, 10, methodIdent); InvocationSequenceData firstInvocationSequenceData = new InvocationSequenceData(DEF_DATE, 10, 10, methodIdent); firstInvocationSequenceData.setParentSequence(root); InvocationSequenceData secondInvocationSequenceData = new InvocationSequenceData(DEF_DATE, 10, 10, methodIdent); secondInvocationSequenceData.setParentSequence(root); root.getNestedSequences().add(firstInvocationSequenceData); root.getNestedSequences().add(secondInvocationSequenceData); CauseCluster one = new CauseCluster(root); CauseCluster two = new CauseCluster(secondInvocationSequenceData); one.setDistanceToNextCluster(1); one.setDepthOfCommonContext(1); two.setDistanceToNextCluster(1); two.setDepthOfCommonContext(1); List<CauseCluster> clustersToMerge = new ArrayList<CauseCluster>(); clustersToMerge.add(one); clustersToMerge.add(two); CauseCluster merged = new CauseCluster(clustersToMerge); assertThat("The returned problemContext must has size 2", merged.getCauseInvocations().size(), is(2)); assertThat("The returned root cause rule must not be null", merged.getCommonContext(), not(nullValue())); }
@Test public void isReturningTheProperValue() { long methodIdent = 108L; InvocationSequenceData root = new InvocationSequenceData(DEF_DATE, 10, 10, methodIdent); InvocationSequenceData firstInvocationSequenceData = new InvocationSequenceData(DEF_DATE, 10, 10, methodIdent); firstInvocationSequenceData.setParentSequence(root); InvocationSequenceData secondInvocationSequenceData = new InvocationSequenceData(DEF_DATE, 10, 10, methodIdent); secondInvocationSequenceData.setParentSequence(root); root.getNestedSequences().add(firstInvocationSequenceData); root.getNestedSequences().add(secondInvocationSequenceData); CauseCluster one = new CauseCluster(firstInvocationSequenceData); CauseCluster two = new CauseCluster(secondInvocationSequenceData); one.setDistanceToNextCluster(1); one.setDepthOfCommonContext(1); two.setDistanceToNextCluster(1); two.setDepthOfCommonContext(1); List<CauseCluster> clustersToMerge = new ArrayList<CauseCluster>(); clustersToMerge.add(one); clustersToMerge.add(two); CauseCluster merged = new CauseCluster(clustersToMerge); assertThat("The returned problemContext must have size 2", merged.getCauseInvocations().size(), is(2)); assertThat("The returned problemContext must be the root one element", merged.getCommonContext(), is(root)); }
@Test(expectedExceptions = RuntimeException.class) public void collectProblemInstancesWithRuntimeExceptionCauseStructure() { AggregatedDiagnosisData aggregatedInvocationSequenceData = null; aggregatedInvocationSequenceData = DiagnosisDataAggregator.getInstance().getAggregatedDiagnosisData(secondChildSequence); DiagnosisDataAggregator.getInstance().aggregate(aggregatedInvocationSequenceData, secondChildSequence); Multimap<String, Tag> tagMap = ArrayListMultimap.create(); Tag tagOne = new Tag(RuleConstants.DIAGNOSIS_TAG_GLOBAL_CONTEXT, secondChildSequence, Tags.rootTag(secondChildSequence)); Tag tagTwo = new Tag(RuleConstants.DIAGNOSIS_TAG_PROBLEM_CONTEXT, new CauseCluster(secondChildSequence), tagOne); Tag tagThree = new Tag(RuleConstants.DIAGNOSIS_TAG_PROBLEM_CAUSE, aggregatedInvocationSequenceData, tagTwo); Tag tagFour = new Tag(RuleConstants.DIAGNOSIS_TAG_CAUSE_STRUCTURE, "Test", tagThree); tagMap.put("D", tagFour); when(sessionContext.getInput()).thenReturn(secondChildSequence); when(sessionContext.getStorage()).thenReturn(storage); when(storage.mapTags(TagState.LEAF)).thenReturn(tagMap); ProblemOccurrenceResultCollector problemInstanceResultCollector = new ProblemOccurrenceResultCollector(); List<ProblemOccurrence> problemOccurrence = problemInstanceResultCollector.collect(sessionContext); assertThat(problemOccurrence, hasSize(0)); }
@Test(expectedExceptions = RuntimeException.class) public void collectProblemInstancesWithRuntimeExceptionGlobalContext() { CauseStructure causeStructure = new CauseStructure(CauseType.SINGLE, SourceType.TIMERDATA); AggregatedDiagnosisData aggregatedInvocationSequenceData = null; aggregatedInvocationSequenceData = DiagnosisDataAggregator.getInstance().getAggregatedDiagnosisData(secondChildSequence); DiagnosisDataAggregator.getInstance().aggregate(aggregatedInvocationSequenceData, secondChildSequence); Multimap<String, Tag> tagMap = ArrayListMultimap.create(); Tag tagOne = new Tag(RuleConstants.DIAGNOSIS_TAG_GLOBAL_CONTEXT, "Test", Tags.rootTag(secondChildSequence)); Tag tagTwo = new Tag(RuleConstants.DIAGNOSIS_TAG_PROBLEM_CONTEXT, new CauseCluster(secondChildSequence), tagOne); Tag tagThree = new Tag(RuleConstants.DIAGNOSIS_TAG_PROBLEM_CAUSE, aggregatedInvocationSequenceData, tagTwo); Tag tagFour = new Tag(RuleConstants.DIAGNOSIS_TAG_CAUSE_STRUCTURE, causeStructure, tagThree); tagMap.put("D", tagFour); when(sessionContext.getInput()).thenReturn(secondChildSequence); when(sessionContext.getStorage()).thenReturn(storage); when(storage.mapTags(TagState.LEAF)).thenReturn(tagMap); ProblemOccurrenceResultCollector problemInstanceResultCollector = new ProblemOccurrenceResultCollector(); List<ProblemOccurrence> problemOccurrence = problemInstanceResultCollector.collect(sessionContext); assertThat(problemOccurrence, hasSize(0)); }
@Test public void collectProblemInstances() { CauseStructure causeStructure = new CauseStructure(CauseType.SINGLE, SourceType.TIMERDATA); AggregatedDiagnosisData aggregatedInvocationSequenceData = DiagnosisDataAggregator.getInstance().getAggregatedDiagnosisData(secondChildSequence); DiagnosisDataAggregator.getInstance().aggregate(aggregatedInvocationSequenceData, secondChildSequence); Multimap<String, Tag> tagMap = ArrayListMultimap.create(); Tag tagOne = new Tag(RuleConstants.DIAGNOSIS_TAG_GLOBAL_CONTEXT, secondChildSequence, Tags.rootTag(secondChildSequence)); Tag tagTwo = new Tag(RuleConstants.DIAGNOSIS_TAG_PROBLEM_CONTEXT, new CauseCluster(secondChildSequence), tagOne); Tag tagThree = new Tag(RuleConstants.DIAGNOSIS_TAG_PROBLEM_CAUSE, aggregatedInvocationSequenceData, tagTwo); Tag tagFour = new Tag(RuleConstants.DIAGNOSIS_TAG_CAUSE_STRUCTURE, causeStructure, tagThree); tagMap.put("Test", tagFour); when(sessionContext.getInput()).thenReturn(secondChildSequence); when(sessionContext.getStorage()).thenReturn(storage); when(storage.mapTags(TagState.LEAF)).thenReturn(tagMap); ProblemOccurrenceResultCollector problemInstanceResultCollector = new ProblemOccurrenceResultCollector(); List<ProblemOccurrence> problemOccurrence = problemInstanceResultCollector.collect(sessionContext); assertThat(problemOccurrence, hasSize(1)); }
@Test(expectedExceptions = RuntimeException.class) public void collectProblemInstancesWithRuntimeExceptionRootCause() { CauseStructure causeStructure = new CauseStructure(CauseType.SINGLE, SourceType.TIMERDATA); AggregatedDiagnosisData aggregatedInvocationSequenceData = null; aggregatedInvocationSequenceData = DiagnosisDataAggregator.getInstance().getAggregatedDiagnosisData(secondChildSequence); DiagnosisDataAggregator.getInstance().aggregate(aggregatedInvocationSequenceData, secondChildSequence); Multimap<String, Tag> tagMap = ArrayListMultimap.create(); Tag tagOne = new Tag(RuleConstants.DIAGNOSIS_TAG_GLOBAL_CONTEXT, secondChildSequence, Tags.rootTag(secondChildSequence)); Tag tagTwo = new Tag(RuleConstants.DIAGNOSIS_TAG_PROBLEM_CONTEXT, new CauseCluster(secondChildSequence), tagOne); Tag tagThree = new Tag(RuleConstants.DIAGNOSIS_TAG_PROBLEM_CAUSE, "Test", tagTwo); Tag tagFour = new Tag(RuleConstants.DIAGNOSIS_TAG_CAUSE_STRUCTURE, causeStructure, tagThree); tagMap.put("D", tagFour); when(sessionContext.getInput()).thenReturn(secondChildSequence); when(sessionContext.getStorage()).thenReturn(storage); when(storage.mapTags(TagState.LEAF)).thenReturn(tagMap); ProblemOccurrenceResultCollector problemInstanceResultCollector = new ProblemOccurrenceResultCollector(); List<ProblemOccurrence> problemOccurrence = problemInstanceResultCollector.collect(sessionContext); assertThat(problemOccurrence, hasSize(0)); }