Add code coverage to ADAL

.gitignore

@@ -21,3 +21,4 @@ integration_tests.properties
 *.iws
 .idea/
 *.pom
+jacoco-agent.properties

adal/build.gradle

@@ -1,5 +1,5 @@
 plugins {
-    id 'com.microsoft.identity.buildsystem' version '0.1.0'
+    id 'com.microsoft.identity.buildsystem' version '0.2.3'
     id 'com.android.library'
     id 'pmd'
     id 'checkstyle'
@@ -18,6 +18,22 @@ buildSystem {
     desugar = desugarCode
 }
 
+def enableCodeCoverage = true
+def enableAndroidTestsCodeCoverage = true
+
+if (project.hasProperty("codeCoverageEnabled")) {
+    enableCodeCoverage = codeCoverageEnabled.toBoolean()
+}
+
+if (project.hasProperty("androidTestsCodeCoverageEnabled")) {
+    enableAndroidTestsCodeCoverage = androidTestsCodeCoverageEnabled.toBoolean()
+}
+
+codeCoverageReport {
+    coverage.enabled = enableCodeCoverage
+    androidTests.enabled = enableAndroidTestsCodeCoverage
+}
+
 group = 'com.microsoft.aad'
 
 configurations {
@@ -68,7 +84,7 @@ android {
     }
     buildTypes {
         debug {
-            testCoverageEnabled false
+            testCoverageEnabled enableCodeCoverage
             debuggable true
             buildConfigField("String", "VERSION_NAME", "\"${versionName}\"")
         }

azure-pipelines/code-coverage/adal-code-cov.yml

@@ -0,0 +1,73 @@
+# File: azure-pipelines\code-coverage\adal-code-cov.yml
+# Description: Code coverage for adal
+# Variable: 'mvnAccessToken' was defined in the Variables tab
+# https://docs.microsoft.com/en-us/azure/devops/organizations/accounts/use-personal-access-tokens-to-authenticate
+name: $(date:yyyyMMdd)$(rev:.r)
+
+trigger: none
+
+pr:
+  branches:
+    include:
+      - '*'
+
+variables:
+- name: BuildParameters.jdkVersion
+  value: 1.8
+- name: BuildParameters.jdkArchitecture
+  value: x64
+- name: BuildParameters.javaHomeSelection
+  value: JDKVersion
+- name: robolectricSdkVersion
+  value: 28
+
+resources:
+  repositories:
+  - repository: self
+    type: git
+  - repository: common
+    type: github
+    name: AzureAD/microsoft-authentication-library-common-for-android
+    ref: dev
+    endpoint: ANDROID_GITHUB
+
+jobs:
+- job: adal_code_coverage
+  displayName: ADAL Code Coverage
+  pool:
+    name: Hosted Windows 2019 with VS2019
+  steps:
+  - checkout: self
+    displayName: Checkout ADAL Repository
+    clean: true
+    submodules: recursive
+    persistCredentials: True
+  - template: azure-pipelines/templates/steps/automation-cert.yml@common
+  - task: JavaToolInstaller@0
+    displayName: Use Java 8
+    inputs:
+      jdkArchitectureOption: x64
+      jdkSourceOption: PreInstalled
+  - task: Gradle@1
+    displayName: Assemble Release
+    inputs:
+      tasks: clean adal:assembleLocal
+      publishJUnitResults: false
+      jdkVersion: $(BuildParameters.jdkVersion)
+      jdkArchitecture: $(BuildParameters.jdkArchitecture)
+      sqGradlePluginVersion: 2.0.1
+  - task: Gradle@2
+    displayName: Run ADAL Code Coverage
+    inputs:
+      tasks: adal:localDebugAdalUnitTestCoverageReport -Plabtest -ProbolectricSdkVersion=${{variables.robolectricSdkVersion}} -PcodeCoverageEnabled=true -PandroidTestsCodeCoverageEnabled=true
+  - task: PublishCodeCoverageResults@1
+    displayName: Publish Code Coverage Report
+    inputs:
+      summaryFileLocation: '$(Build.SourcesDirectory)\adal\build\reports\jacoco\localDebugAdalUnitTestCoverageReport\localDebugAdalUnitTestCoverageReport.xml'
+      reportDirectory: '$(Build.SourcesDirectory)\adal\build\reports\jacoco\localDebugAdalUnitTestCoverageReport\html'
+      javaHomeSelection: $(BuildParameters.javaHomeSelection)
+      jdkVersion: 1.11
+  - bash: |
+      curl -Os https://uploader.codecov.io/latest/windows/codecov.exe
+      ./codecov.exe -v -t '$(codecovToken)' -B '$(System.PullRequest.SourceBranch)' -P '$(System.PullRequest.PullRequestNumber)' -f "./adal/build/reports/jacoco/localDebugAdalUnitTestCoverageReport/localDebugAdalUnitTestCoverageReport.xml"
+    displayName: Upload Code Coverage to Codecov and the PR