Workaround the various failings of Azure Devops

Author: dibarbet

azure-pipelines/test-omnisharp.yml

@@ -14,6 +14,17 @@ steps:
   env:
     DISPLAY: :99.0
 
+- task: PublishTestResults@2
+  condition: succeededOrFailed()
+  displayName: 'Publish Test Results'
+  inputs:
+    testResultsFormat: 'JUnit'
+    testResultsFiles: '*junit.xml'
+    searchFolder: '$(Build.SourcesDirectory)/out'
+    publishRunAttachments: true
+    mergeTestResults: true
+    testRunTitle: OmniSharp $(Agent.JobName) (Attempt $(System.JobAttempt))
+
 - task: PublishPipelineArtifact@1
   condition: failed()
   displayName: 'Upload integration test logs'

azure-pipelines/test.yml

@@ -43,8 +43,9 @@ jobs:
       testResultsFormat: 'JUnit'
       testResultsFiles: '*junit.xml'
       searchFolder: '$(Build.SourcesDirectory)/out'
-      mergeTestResults: true
       publishRunAttachments: true
+      mergeTestResults: true
+      testRunTitle: $(Agent.JobName) (Attempt $(System.JobAttempt))
 
   - task: PublishPipelineArtifact@1
     condition: failed()

jest.config.ts

@@ -17,7 +17,20 @@ const config: Config = {
     // Reporters are a global jest configuration property and cannot be set in the project jest config.
     // This configuration will create a 'junit.xml' file in the output directory, no matter which test project is running.
     // In order to not overwrite test results in CI, we configure a unique output file name in the gulp testTasks.
-    reporters: ['default', ['jest-junit', { outputDirectory: '<rootDir>/out/' }]],
+    reporters: [
+        'default',
+        [
+            'jest-junit',
+            {
+                outputDirectory: '<rootDir>/out/',
+                reportTestSuiteErrors: 'true',
+                // Azure DevOps does not display test suites (it ignores them entirely).
+                // So we have to put all the info in the test case name so the UI shows anything relatively useful.
+                // See https://github.com/microsoft/azure-pipelines-tasks/issues/7659
+                titleTemplate: '{filename} / {suitename} / {title}',
+            },
+        ],
+    ],
 };
 
 export default config;