[LD-145] Add code coverage for E2E tests.

.github/workflows/run-test.yml

@@ -87,6 +87,8 @@ jobs:
   android-tests:
     name: Run UI tests on Firebase Test Lab
     runs-on: ubuntu-20.04
+    permissions:
+      pull-requests: write
 
     steps:
       - name: Checkout
@@ -143,13 +145,16 @@ jobs:
             --timeout="20m" \
             --results-dir="${{ steps.generate-dir.outputs.results_dir }}" \
             --results-bucket="${{ steps.generate-dir.outputs.bucket }}" \
-            --environment-variables "clearPackageData=true,coverage=true,coverageFilePath=/sdcard/Download/"
+            --environment-variables "clearPackageData=true,coverage=true,coverageFilePath=/sdcard/Download/" \
+            --directories-to-pull /sdcard/Download
 
       - name: Download test results from Firebase Test Lab
         if: always()
         run: |-
           mkdir "app/build/test-results"
+          mkdir "app/build/test-results/instrumentation_results"
           gsutil cp -r "gs://${{ steps.generate-dir.outputs.bucket }}/${{ steps.generate-dir.outputs.results_dir }}/Pixel2.arm-33-en-portrait/test_result_1.xml" "app/build/test-results/results.xml"
+          gsutil cp -r "gs://${{ steps.generate-dir.outputs.bucket }}/${{ steps.generate-dir.outputs.results_dir }}/Pixel2.arm-33-en-portrait/artifacts/sdcard/Download/*.ec" "app/build/test-results/instrumentation_results"
 
       - name: Upload tests results
         if: always()
@@ -160,6 +165,31 @@ jobs:
             */build/test-results/**
           retention-days: 5
 
+      - name: Run instrumentation code coverage
+        run: ./gradlew instrumentationCodeCoverage
+        env:
+          LOUDIUS_CLIENT_SECRET: ${{ secrets.LOUDIUS_CLIENT_SECRET }}
+          LOUDIUS_CLIENT_ID: ${{ secrets.LOUDIUS_CLIENT_ID }}
+          LOUDIUS_GITHUB_USER_PASSWORD: ${{ secrets.LOUDIUS_GITHUB_USER_PASSWORD }}
+          LOUDIUS_GITHUB_USER_NAME: ${{ secrets.LOUDIUS_GITHUB_USER_NAME }}
+          LOUDIUS_GITHUB_USER_OTP_SECRET: ${{ secrets.LOUDIUS_GITHUB_USER_OTP_SECRET }}
+
+      - name: Store HTML coverage report
+        uses: actions/upload-artifact@v3
+        with:
+          name: coverage-report
+          path: |
+            */build/reports/jacoco/instrumentationCodeCoverage/html/**
+
+      - name: Add coverage to PR
+        if: ${{ github.event_name != 'schedule' }}
+        id: jacoco
+        uses: madrapps/[email protected]
+        with:
+          paths: |
+            */build/reports/jacoco/instrumentationCodeCoverage/instrumentationCodeCoverage.xml
+          token: ${{ secrets.GITHUB_TOKEN }}
+
   test-license-headers:
     name: Ensure license headers are added
     runs-on: ubuntu-20.04

app/build.gradle

@@ -33,7 +33,7 @@ android {
         versionName "1.0"
 
         testInstrumentationRunner "com.appunite.loudius.util.InstrumentationTestRunner"
-        testInstrumentationRunnerArguments clearPackageData: 'true'
+        testInstrumentationRunnerArguments clearPackageData: 'true', coverage: 'true', coverageFilePath: '/sdcard/Download/'
         vectorDrawables {
             useSupportLibrary true
         }
@@ -54,6 +54,7 @@ android {
         }
         debug{
             enableUnitTestCoverage true
+            testCoverageEnabled true
         }
     }
     compileOptions {
@@ -145,6 +146,44 @@ tasks.register('codeCoverage', JacocoReport) {
 
 }
 
+tasks.register('instrumentationCodeCoverage', JacocoReport) {
+
+    reports {
+        html.required.set(true)
+        xml.required.set(true)
+    }
+
+    classDirectories.setFrom(
+            fileTree(project.buildDir) {
+                include("**/tmp/kotlin-classes/debug/**")
+                exclude(
+                        '**/R.class',
+                        '**/R$*.class',
+                        '**/BuildConfig.*',
+                        "**/*Application.*",
+                        '**/Manifest*.*',
+                        '**/*Test*.*',
+                        '**/android/**/*.*',
+                        '**/androidx/**/*.*',
+                        '**/airbnb/**/*.*',
+                        "**/di/**/*.*",
+                        '**/*Dagger*.*',
+                        "**/*Screen*"
+                )
+            }
+    )
+
+    sourceDirectories.setFrom(fileTree(
+            dir: project.projectDir,
+            includes: [
+                    "src/main/java/**",
+                    "src/main/kotlin/**"
+            ]))
+
+    executionData.setFrom(
+            fileTree(dir: "${buildDir}/test-results/instrumentation_results", includes: ['*.ec']))
+}
+
 dependencies {
     api project(':components')
 

components/README.md

@@ -60,4 +60,4 @@ Topbar is a component on the top of the screen.
 | Variant                                                                                                                                                | Snapshot                                                                                                                                                       |
 |--------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | **Topbar with back navigation**<br />[Source Code](../components/src/main/java/com/appunite/loudius/components/components/LoudiusTopAppBar.kt#L61-L70) | <img src="src/test/snapshots/images/com.appunite.loudius_PaparazziShowkaseTests_preview_tests[Default Group-LoudiusTopAppBar,1,light].png" />                  |
-| **Topbar with no navigation**<br /> [Source Code](../components/src/main/java/com/appunite/loudius/components/components/LoudiusTopAppBar.kt#L72-L80)  | <img src="src/test/snapshots/images/com.appunite.loudius_PaparazziShowkaseTests_preview_tests[Default Group-LoudiusTopAppBarWithoutBackButton,1,light].png" /> |
+| **Topbar with no navigation**<br /> [Source Code](../components/src/main/java/com/appunite/loudius/components/components/LoudiusTopAppBar.kt#L72-L80)  | <img src="src/test/snapshots/images/com.appunite.loudius_PaparazziShowkaseTests_preview_tests[Default Group-LoudiusTopAppBarWithoutBackButton,1,light].png" /> |