.azurepipelines: Install code coverage tool

For Windows add below tool for code coverage
1. OpenCppCoverage: parsing pdb file to generate coverage
data
2. pycobertura: show up html format data for coverage data

For Linux add below tool for code coverage
1. lcov: parsing gcda gcno file to generate coverage data
2. lcov-cobertura: convert coverage data to cobertura format
3. pycobertura: show up html format data for coverage data

Cc: Sean Brogan <sean.brogan@microsoft.com>
Cc: Bret Barkelew <Bret.Barkelew@microsoft.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Michael Kubacki <michael.kubacki@microsoft.com>
Signed-off-by: Gua Guo <gua.guo@intel.com>

.azurepipelines/Ubuntu-GCC5.yml

@@ -19,4 +19,7 @@ jobs:
     tool_chain_tag: 'GCC5'
     vm_image: 'ubuntu-latest'
     arch_list: "IA32,X64,ARM,AARCH64,RISCV64,LOONGARCH64"
-
+    extra_install_step:
+    - bash: sudo apt-get install -y lcov
+      displayName: Install Code Coverage Tools
+      condition: and(gt(variables.pkg_count, 0), succeeded())

.azurepipelines/Windows-VS2019.yml

@@ -18,3 +18,8 @@ jobs:
     tool_chain_tag: 'VS2019'
     vm_image: 'windows-2019'
     arch_list: "IA32,X64"
+    extra_install_step:
+    - powershell: choco install opencppcoverage; Write-Host "##vso[task.prependpath]C:\Program Files\OpenCppCoverage"
+      displayName: Install Code Coverage Tool
+      condition: and(gt(variables.pkg_count, 0), succeeded())
+

.azurepipelines/templates/pr-gate-build-job.yml

@@ -12,6 +12,7 @@ parameters:
   tool_chain_tag: ''
   vm_image: ''
   arch_list: ''
+  extra_install_step: []
 
 # Build step
 jobs:
@@ -77,3 +78,38 @@ jobs:
       build_pkgs: $(Build.Pkgs)
       build_targets: $(Build.Targets)
       build_archs: ${{ parameters.arch_list }}
+      extra_install_step: ${{ parameters.extra_install_step }}
+
+- job: Build_${{ parameters.tool_chain_tag }}_TARGET_CODE_COVERAGE
+  dependsOn: Build_${{ parameters.tool_chain_tag }}
+  workspace:
+    clean: all
+
+  pool:
+    vmImage: 'windows-2019'
+
+  steps:
+    - checkout: self
+      clean: true
+      fetchDepth: 1
+      submodules: true
+
+    - task: DownloadPipelineArtifact@2
+      displayName: 'Download Build Artifacts'
+      inputs:
+        buildType: 'current'
+        targetPath: '$(Build.ArtifactStagingDirectory)'
+
+    - task: CmdLine@2
+      displayName: Create code coverage report
+      inputs:
+        script: |
+          dotnet tool install -g dotnet-reportgenerator-globaltool
+          reportgenerator -reports:$(Build.ArtifactStagingDirectory)/**/coverage.xml -targetdir:$(Build.ArtifactStagingDirectory)/Coverage -reporttypes:Cobertura -filefilters:-*Build*;-*UnitTest*;-*Mock*;-*usr*
+
+    - task: PublishCodeCoverageResults@1
+      displayName: 'Publish code coverage'
+      inputs:
+        codeCoverageTool: Cobertura
+        summaryFileLocation: '$(Build.ArtifactStagingDirectory)/Coverage/Cobertura.xml'
+

.azurepipelines/templates/pr-gate-steps.yml

@@ -12,6 +12,7 @@ parameters:
   build_pkgs: ''
   build_targets: ''
   build_archs: ''
+  extra_install_step: []
 
 steps:
 - checkout: self
@@ -37,6 +38,8 @@ steps:
   displayName: fetch target branch
   condition: eq(variables['Build.Reason'], 'PullRequest')
 
+- ${{ parameters.extra_install_step }}
+
 # trim the package list if this is a PR
 - task: CmdLine@1
   displayName: Check if ${{ parameters.build_pkgs }} need testing
@@ -125,6 +128,7 @@ steps:
       TestSuites.xml
       **/BUILD_TOOLS_REPORT.html
       **/OVERRIDELOG.TXT
+      coverage.xml
     flattenFolders: true
   condition: succeededOrFailed()
 

pip-requirements.txt

@@ -16,3 +16,5 @@ edk2-pytool-library==0.12.1
 edk2-pytool-extensions~=0.20.0
 edk2-basetools==0.1.39
 antlr4-python3-runtime==4.7.1
+lcov-cobertura==2.0.2
+