Create unit test report workflow

Author: emilypgoogle

.github/workflows/unit-test-report.yml

@@ -0,0 +1,35 @@
+name: Firebase AI Daily Tests
+
+on:
+  schedule:
+    - cron: 51 8 * * *  # Runs automatically once a day
+  workflow_dispatch:   # Allow triggering the workflow manually
+
+permissions:
+  contents: read
+  issues: write
+
+jobs:
+  dailies:
+    name: "Unit Test Report"
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          submodules: true
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@3a4f6e1af504cf6a31855fa899c6aa5355ba6c12 # v4.7.0
+        with:
+          java-version: 17
+          distribution: temurin
+          cache: gradle
+
+      - name: Generate Test Report
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: ./gradlew generateTestReport
+
+      - name: Update tracking issue
+        run: gh issue edit 7421 --body-file test-report.md

plugins/src/main/java/com/google/firebase/gradle/plugins/BaseFirebaseLibraryPlugin.kt

@@ -18,6 +18,7 @@ package com.google.firebase.gradle.plugins
 
 import com.android.build.gradle.LibraryExtension
 import com.google.firebase.gradle.plugins.ci.Coverage
+import com.google.firebase.gradle.plugins.report.UnitTestReportTask
 import com.google.firebase.gradle.plugins.services.GMavenService
 import java.io.File
 import java.nio.file.Paths
@@ -141,6 +142,13 @@ abstract class BaseFirebaseLibraryPlugin : Plugin<Project> {
     }
   }
 
+  protected fun registerUnitTestReportTask(project: Project) =
+    project.tasks.register<UnitTestReportTask>("generateTestReport") {
+      outputFile.set(project.file("test-report.md"))
+      commitCount.set(8 as Integer)
+      apiToken.set(System.getenv("GH_TOKEN"))
+    }
+
   protected fun getApiInfo(
     project: Project,
     srcDirs: ConfigurableFileCollection,

plugins/src/main/java/com/google/firebase/gradle/plugins/FirebaseAndroidLibraryPlugin.kt

@@ -162,6 +162,7 @@ class FirebaseAndroidLibraryPlugin : BaseFirebaseLibraryPlugin() {
     }
 
     setupMetalavaSemver(project, firebaseLibrary)
+    registerUnitTestReportTask(project)
   }
 
   private fun setupApiInformationAnalysis(project: Project, android: LibraryExtension) {

plugins/src/main/java/com/google/firebase/gradle/plugins/FirebaseJavaLibraryPlugin.kt

@@ -105,6 +105,7 @@ class FirebaseJavaLibraryPlugin : BaseFirebaseLibraryPlugin() {
     }
 
     setupMetalavaSemver(project, firebaseLibrary)
+    registerUnitTestReportTask(project)
   }
 
   private fun setupApiInformationAnalysis(project: Project) {

plugins/src/main/java/com/google/firebase/gradle/plugins/report/UnitTestReport.kt

@@ -30,13 +30,14 @@ import java.time.Duration
 import java.util.regex.Matcher
 import java.util.regex.Pattern
 import org.gradle.internal.Pair
+import java.io.File
 
 @SuppressWarnings("NewApi")
 class UnitTestReport(private val apiToken: String) {
   private val client: HttpClient =
     HttpClient.newBuilder().connectTimeout(Duration.ofSeconds(10)).build()
 
-  fun createReport(commitCount: Int) {
+  fun createReport(outputFile: File, commitCount: Int) {
     val response = request("commits?per_page=$commitCount", JsonArray::class.java)
     val commits =
       response
@@ -55,10 +56,10 @@ class UnitTestReport(private val apiToken: String) {
           ReportCommit(obj.get("sha").asString, pr)
         }
         .toList()
-    outputReport(commits)
+    outputReport(outputFile, commits)
   }
 
-  private fun outputReport(commits: List<ReportCommit>) {
+  private fun outputReport(outputFile: File, commits: List<ReportCommit>) {
     val reports: MutableList<TestReport> = ArrayList()
     for (commit in commits) {
       reports.addAll(parseTestReports(commit.sha))
@@ -82,7 +83,7 @@ class UnitTestReport(private val apiToken: String) {
     output.append("\n")
 
     try {
-      val writer = FileWriter("test-report.md")
+      val writer = FileWriter(outputFile)
       writer.append(output.toString())
       writer.close()
     } catch (e: Exception) {

plugins/src/main/java/com/google/firebase/gradle/plugins/report/UnitTestReportTask.kt

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.firebase.gradle.plugins.report
+
+import org.gradle.api.DefaultTask
+import org.gradle.api.file.RegularFileProperty
+import org.gradle.api.provider.Property
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.OutputFile
+import org.gradle.api.tasks.TaskAction
+
+abstract class UnitTestReportTask: DefaultTask() {
+  @get:OutputFile abstract val outputFile: RegularFileProperty
+
+  @get:Input abstract val commitCount: Property<Integer>
+
+  @get:Input abstract val apiToken: Property<String>
+
+  @TaskAction
+  fun make() {
+    UnitTestReport(apiToken.get()).createReport(outputFile.asFile.get(), commitCount.get().toInt())
+  }
+}