Publish raw cobertura as named artifact from each DB pipeline; download by name for aggregation

Author: aaronburtle

.pipelines/cosmos-pipelines.yml

@@ -142,3 +142,18 @@ steps:
   inputs:
     codeCoverageTool: Cobertura
     summaryFileLocation: '$(Agent.TempDirectory)/**/*cobertura.xml'
+
+# Publish the RAW cobertura as a named pipeline artifact so the unit pipeline's
+# 'Total Code Coverage' job can download and union it. (PublishCodeCoverageResults@1
+# only exposes an HTML report artifact, not the raw XML, so aggregation needs this.)
+- task: CopyFiles@2
+  displayName: 'Stage raw coverage for aggregation'
+  inputs:
+    sourceFolder: '$(Agent.TempDirectory)'
+    contents: '**/*.cobertura.xml'
+    targetFolder: '$(Build.ArtifactStagingDirectory)/coverage'
+- task: PublishPipelineArtifact@1
+  displayName: 'Publish coverage artifact for aggregation'
+  inputs:
+    targetPath: '$(Build.ArtifactStagingDirectory)/coverage'
+    artifact: 'coverage-cosmos'

.pipelines/dwsql-pipelines.yml

@@ -146,6 +146,21 @@ jobs:
       codeCoverageTool: Cobertura
       summaryFileLocation: '$(Agent.TempDirectory)/**/*cobertura.xml'
 
+  # Publish the RAW cobertura as a named pipeline artifact so the unit pipeline's
+  # 'Total Code Coverage' job can download and union it. (PublishCodeCoverageResults@1
+  # only exposes an HTML report artifact, not the raw XML, so aggregation needs this.)
+  - task: CopyFiles@2
+    displayName: 'Stage raw coverage for aggregation'
+    inputs:
+      sourceFolder: '$(Agent.TempDirectory)'
+      contents: '**/*.cobertura.xml'
+      targetFolder: '$(Build.ArtifactStagingDirectory)/coverage'
+  - task: PublishPipelineArtifact@1
+    displayName: 'Publish coverage artifact for aggregation'
+    inputs:
+      targetPath: '$(Build.ArtifactStagingDirectory)/coverage'
+      artifact: 'coverage-dwsql'
+
 
 - job: windows
   pool:

.pipelines/mssql-pipelines.yml

@@ -151,8 +151,20 @@ jobs:
       codeCoverageTool: Cobertura
       summaryFileLocation: '$(Agent.TempDirectory)/**/*cobertura.xml'
 
-
-# MsSql Integration Testing is split into two parallel jobs (~20 min each):
+  # Publish the RAW cobertura as a named pipeline artifact so the unit pipeline's
+  # 'Total Code Coverage' job can download and union it. (PublishCodeCoverageResults@1
+  # only exposes an HTML report artifact, not the raw XML, so aggregation needs this.)
+  - task: CopyFiles@2
+    displayName: 'Stage raw coverage for aggregation'
+    inputs:
+      sourceFolder: '$(Agent.TempDirectory)'
+      contents: '**/*.cobertura.xml'
+      targetFolder: '$(Build.ArtifactStagingDirectory)/coverage'
+  - task: PublishPipelineArtifact@1
+    displayName: 'Publish coverage artifact for aggregation'
+    inputs:
+      targetPath: '$(Build.ArtifactStagingDirectory)/coverage'
+      artifact: 'coverage-mssql'
 #
 # 1) windows_combined -> GraphQL, HotReload, REST, Unit, OpenApi, Auth,
 #    Telemetry, and Caching tests.

.pipelines/mysql-pipelines.yml

@@ -145,3 +145,18 @@ jobs:
     inputs:
       codeCoverageTool: Cobertura
       summaryFileLocation: '$(Agent.TempDirectory)/**/*cobertura.xml'
+
+  # Publish the RAW cobertura as a named pipeline artifact so the unit pipeline's
+  # 'Total Code Coverage' job can download and union it. (PublishCodeCoverageResults@1
+  # only exposes an HTML report artifact, not the raw XML, so aggregation needs this.)
+  - task: CopyFiles@2
+    displayName: 'Stage raw coverage for aggregation'
+    inputs:
+      sourceFolder: '$(Agent.TempDirectory)'
+      contents: '**/*.cobertura.xml'
+      targetFolder: '$(Build.ArtifactStagingDirectory)/coverage'
+  - task: PublishPipelineArtifact@1
+    displayName: 'Publish coverage artifact for aggregation'
+    inputs:
+      targetPath: '$(Build.ArtifactStagingDirectory)/coverage'
+      artifact: 'coverage-mysql'

.pipelines/pg-pipelines.yml

@@ -140,3 +140,18 @@ jobs:
     inputs:
       codeCoverageTool: Cobertura
       summaryFileLocation: '$(Agent.TempDirectory)/**/*cobertura.xml'
+
+  # Publish the RAW cobertura as a named pipeline artifact so the unit pipeline's
+  # 'Total Code Coverage' job can download and union it. (PublishCodeCoverageResults@1
+  # only exposes an HTML report artifact, not the raw XML, so aggregation needs this.)
+  - task: CopyFiles@2
+    displayName: 'Stage raw coverage for aggregation'
+    inputs:
+      sourceFolder: '$(Agent.TempDirectory)'
+      contents: '**/*.cobertura.xml'
+      targetFolder: '$(Build.ArtifactStagingDirectory)/coverage'
+  - task: PublishPipelineArtifact@1
+    displayName: 'Publish coverage artifact for aggregation'
+    inputs:
+      targetPath: '$(Build.ArtifactStagingDirectory)/coverage'
+      artifact: 'coverage-pg'

.pipelines/unittest-pipelines.yml

@@ -59,8 +59,11 @@ jobs:
 # ReportGenerator or other Marketplace extension is required.
 #
 # The DB 'pipeline' IDs below are the numeric definition IDs from Azure DevOps
-# (pipeline URL ...?definitionId=NN). The db-name labels are cosmetic; only the
-# numeric IDs matter for the download, and the merge is order-independent.
+# (pipeline URL ...?definitionId=NN). Each DB pipeline publishes its RAW cobertura
+# as a named 'coverage-<db>' pipeline artifact (added in its own YAML); this job
+# downloads those by name and unions them. NOTE: each DB pipeline must run once
+# after that change merges before its 'coverage-<db>' artifact exists - until then
+# its download soft-fails (continueOnError) and it's simply omitted from the union.
 - job: total_code_coverage
   displayName: 'Total Code Coverage (rolling dashboard)'
   dependsOn: build
@@ -89,7 +92,7 @@ jobs:
       project: '$(System.TeamProject)'
       pipeline: '2'
       runVersion: 'latest'
-      patterns: '**/*.cobertura.xml'
+      artifact: 'coverage-mssql'
       path: '$(Pipeline.Workspace)/db/mssql'
   - task: DownloadPipelineArtifact@2
     displayName: 'Download PostgreSql coverage (latest)'
@@ -99,7 +102,7 @@ jobs:
       project: '$(System.TeamProject)'
       pipeline: '4'
       runVersion: 'latest'
-      patterns: '**/*.cobertura.xml'
+      artifact: 'coverage-pg'
       path: '$(Pipeline.Workspace)/db/pg'
   - task: DownloadPipelineArtifact@2
     displayName: 'Download MySql coverage (latest)'
@@ -109,7 +112,7 @@ jobs:
       project: '$(System.TeamProject)'
       pipeline: '3'
       runVersion: 'latest'
-      patterns: '**/*.cobertura.xml'
+      artifact: 'coverage-mysql'
       path: '$(Pipeline.Workspace)/db/mysql'
   - task: DownloadPipelineArtifact@2
     displayName: 'Download DwSql coverage (latest)'
@@ -119,7 +122,7 @@ jobs:
       project: '$(System.TeamProject)'
       pipeline: '1'
       runVersion: 'latest'
-      patterns: '**/*.cobertura.xml'
+      artifact: 'coverage-dwsql'
       path: '$(Pipeline.Workspace)/db/dwsql'
   - task: DownloadPipelineArtifact@2
     displayName: 'Download CosmosDb coverage (latest)'
@@ -129,7 +132,7 @@ jobs:
       project: '$(System.TeamProject)'
       pipeline: '6'
       runVersion: 'latest'
-      patterns: '**/*.cobertura.xml'
+      artifact: 'coverage-cosmos'
       path: '$(Pipeline.Workspace)/db/cosmos'
 
   # Union-merge every downloaded cobertura and emit ONE combined Cobertura.xml