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test(oss-licenses): add standalone testapp for plugin verification (#388)
* feat(testapp): Add oss-licenses test app and CI integration * Cleanup
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21 files changed

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‎.github/workflows/main.yml‎

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on:
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# Triggers the workflow on push or pull request events but only for the main branch
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push:
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branches: [ main ]
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branches: [main]
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pull_request:
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branches: [ main ]
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# Allows you to run this workflow manually from the Actions tab
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workflow_dispatch:
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lint-and-check:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
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- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # ratchet:actions/checkout@v6.0.2
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- name: Validate Gradle Wrapper
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uses: gradle/actions/wrapper-validation@0723195856401067f7a2779048b490ace7a47d7c # v5.0.2
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uses: gradle/actions/wrapper-validation@0723195856401067f7a2779048b490ace7a47d7c # ratchet:gradle/actions/wrapper-validation@v5.0.2
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- name: Lint GitHub Actions
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uses: abcxyz/actions/.github/actions/lint-github-actions@e32ec3bd6af6d87d79fe7c441f435eb7ad11d527 # main
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uses: abcxyz/actions/.github/actions/lint-github-actions@e32ec3bd6af6d87d79fe7c441f435eb7ad11d527 # ratchet:abcxyz/actions/.github/actions/lint-github-actions@main
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- name: Ratchet Check
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uses: sethvargo/ratchet@8b4ca256dbed184350608a3023620f267f0a5253 # main
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uses: sethvargo/ratchet@8b4ca256dbed184350608a3023620f267f0a5253 # ratchet:sethvargo/ratchet@main
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with:
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files: .github/workflows/*.yml
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# This workflow contains a single job called "build"
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# Build the simple plugins (no special test infrastructure needed)
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build:
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needs: lint-and-check
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# The type of runner that the job will run on
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runs-on: ubuntu-latest
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# Runs this job in parallel for each sub-project
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strategy:
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matrix:
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project-dir:
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- strict-version-matcher-plugin
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- google-services-plugin
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- oss-licenses-plugin
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# Steps represent a sequence of tasks that will be executed as part of the job
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steps:
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# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
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- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
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- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # ratchet:actions/checkout@v6.0.2
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- name: Set up JDK 17
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uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
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uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # ratchet:actions/setup-java@v5.2.0
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with:
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java-version: '17'
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distribution: 'temurin'
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- name: Setup Gradle
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uses: gradle/actions/setup-gradle@0723195856401067f7a2779048b490ace7a47d7c # v5.0.2
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uses: gradle/actions/setup-gradle@0723195856401067f7a2779048b490ace7a47d7c # ratchet:gradle/actions/setup-gradle@v5.0.2
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with:
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dependency-graph: generate-and-submit
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# Runs a build which includes `check` and `test` tasks
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- name: Perform a Gradle build
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run: ./gradlew build
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working-directory: ./${{ matrix.project-dir }}
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# Build and test the oss-licenses plugin, then publish for downstream jobs.
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oss-licenses-build:
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needs: lint-and-check
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # ratchet:actions/checkout@v6.0.2
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- name: Set up JDK 17
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uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # ratchet:actions/setup-java@v5.2.0
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with:
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java-version: '17'
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distribution: 'temurin'
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- name: Set up JDK 21
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uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # ratchet:actions/setup-java@v5.2.0
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with:
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java-version: '21'
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distribution: 'temurin'
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- name: Setup Gradle
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uses: gradle/actions/setup-gradle@0723195856401067f7a2779048b490ace7a47d7c # ratchet:gradle/actions/setup-gradle@v5.0.2
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with:
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dependency-graph: generate-and-submit
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- name: Build and test
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run: ./gradlew build
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working-directory: ./oss-licenses-plugin
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- name: Publish to local repo
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run: ./gradlew publish
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working-directory: ./oss-licenses-plugin
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- name: Upload local repo artifact
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uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # ratchet:actions/upload-artifact@v4.6.2
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with:
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name: oss-licenses-local-repo
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path: oss-licenses-plugin/build/repo/
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# Build the testapp and verify configuration cache store → clean → reuse.
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# CC strictness flags are in testapp/gradle.properties (always on).
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oss-licenses-testapp:
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needs: oss-licenses-build
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runs-on: ubuntu-latest
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env:
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ANDROID_USER_HOME: /home/runner/.android
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steps:
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- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # ratchet:actions/checkout@v6.0.2
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- name: Download local repo artifact
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uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # ratchet:actions/download-artifact@v4.3.0
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with:
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name: oss-licenses-local-repo
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path: oss-licenses-plugin/build/repo/
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- name: Set up JDK 21
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uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # ratchet:actions/setup-java@v5.2.0
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with:
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java-version: '21'
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distribution: 'temurin'
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- name: Setup Gradle
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uses: gradle/actions/setup-gradle@0723195856401067f7a2779048b490ace7a47d7c # ratchet:gradle/actions/setup-gradle@v5.0.2
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- name: Pre-create Android SDK cache directory
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run: mkdir -p "$ANDROID_USER_HOME/cache"
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- name: Build testapp (store configuration cache)
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run: ./gradlew build -PusePublishedPluginFrom=../build/repo
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working-directory: oss-licenses-plugin/testapp
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- name: Clean testapp outputs
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run: ./gradlew clean -PusePublishedPluginFrom=../build/repo
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working-directory: oss-licenses-plugin/testapp
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- name: Rebuild testapp (verify configuration cache reuse)
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working-directory: oss-licenses-plugin/testapp
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run: |
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OUTPUT=$(./gradlew build -PusePublishedPluginFrom=../build/repo 2>&1)
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echo "$OUTPUT"
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echo "$OUTPUT" | grep -q "Configuration cache entry reused" || \
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{ echo "::error::Configuration cache was NOT reused"; exit 1; }

‎.gitignore‎

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.idea/
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repo/
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.kotlin/
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.DS_Store

‎oss-licenses-plugin/gradle/gradle-daemon-jvm.properties‎

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#This file is generated by updateDaemonJvm
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toolchainUrl.FREE_BSD.AARCH64=https\://api.foojay.io/disco/v3.0/ids/4945f00643ec68e7c7a6b66f90124f89/redirect
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toolchainUrl.FREE_BSD.X86_64=https\://api.foojay.io/disco/v3.0/ids/93aeea858331bd6bb00ba94759830234/redirect
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toolchainUrl.LINUX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/4945f00643ec68e7c7a6b66f90124f89/redirect
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toolchainUrl.LINUX.X86_64=https\://api.foojay.io/disco/v3.0/ids/93aeea858331bd6bb00ba94759830234/redirect
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toolchainUrl.MAC_OS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/46949723aaa20c7b64d7ecfed7207034/redirect
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toolchainUrl.MAC_OS.X86_64=https\://api.foojay.io/disco/v3.0/ids/d6690dfd71c4c91e08577437b5b2beb0/redirect
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toolchainUrl.UNIX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/4945f00643ec68e7c7a6b66f90124f89/redirect
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toolchainUrl.UNIX.X86_64=https\://api.foojay.io/disco/v3.0/ids/93aeea858331bd6bb00ba94759830234/redirect
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toolchainUrl.WINDOWS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/3cd7045fca9a72cd9bc7d14a385e594c/redirect
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toolchainUrl.WINDOWS.X86_64=https\://api.foojay.io/disco/v3.0/ids/552c7bffe0370c66410a51c55985b511/redirect
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toolchainVersion=21

‎oss-licenses-plugin/settings.gradle‎

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plugins {
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id 'org.gradle.toolchains.foojay-resolver-convention' version '1.0.0'
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}
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rootProject.name = 'oss-licenses-plugin'

‎oss-licenses-plugin/testapp/app/build.gradle.kts‎

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/*
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* Copyright 2026 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import com.android.build.api.variant.HostTestBuilder
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import org.gradle.api.tasks.testing.Test
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import org.gradle.jvm.toolchain.JavaToolchainService
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plugins {
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alias(libs.plugins.android.application)
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alias(libs.plugins.kotlin.android)
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alias(libs.plugins.kotlin.compose)
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alias(libs.plugins.oss.licenses)
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}
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android {
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namespace = "com.google.android.gms.oss.licenses.testapp"
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compileSdk = libs.versions.compileSdk.get().toInt()
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testBuildType = "release"
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defaultConfig {
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applicationId = "com.google.android.gms.oss.licenses.testapp"
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minSdk = libs.versions.minSdk.get().toInt()
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targetSdk = libs.versions.targetSdk.get().toInt()
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versionCode = 1
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versionName = "1.0"
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testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
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}
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buildTypes {
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debug { isMinifyEnabled = false }
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release {
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signingConfig = signingConfigs.getByName("debug")
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isMinifyEnabled = true
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proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"))
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}
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}
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compileOptions {
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sourceCompatibility = JavaVersion.VERSION_21
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targetCompatibility = JavaVersion.VERSION_21
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}
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testOptions { unitTests { isIncludeAndroidResources = true } }
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lint {
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abortOnError = true
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checkDependencies = true
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ignoreWarnings = false
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}
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}
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tasks.withType<Test>().configureEach {
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val javaToolchains = project.extensions.getByType<JavaToolchainService>()
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javaLauncher.set(javaToolchains.launcherFor { languageVersion.set(JavaLanguageVersion.of(21)) })
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// Enable parallel execution for faster Robolectric runs
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maxParallelForks = (Runtime.getRuntime().availableProcessors() / 2).coerceAtLeast(1)
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testLogging {
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events("passed", "skipped", "failed", "standardOut", "standardError")
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showStandardStreams = true
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}
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}
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androidComponents {
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beforeVariants { variantBuilder ->
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// AGP 9.0 only enables unit tests for the "tested build type" by default.
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// We explicitly enable them for all variants to ensure both Debug and Release coverage.
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variantBuilder.hostTests[HostTestBuilder.UNIT_TEST_TYPE]?.enable = true
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}
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}
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kotlin {
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jvmToolchain(21)
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compilerOptions { jvmTarget.set(org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_21) }
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}
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dependencies {
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implementation(libs.play.services.oss.licenses)
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implementation(libs.androidx.appcompat)
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implementation(libs.androidx.activity)
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implementation("androidx.activity:activity-compose:${libs.versions.androidx.activity.get()}")
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implementation(platform(libs.androidx.compose.bom))
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implementation("androidx.compose.material3:material3")
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testImplementation(libs.junit)
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testImplementation(libs.androidx.test.ext.junit)
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testImplementation(libs.androidx.test.espresso.core)
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testImplementation(libs.androidx.test.espresso.contrib)
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testImplementation(libs.androidx.test.core)
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testImplementation(libs.robolectric)
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// Compose Test (required for testing the V2 activity)
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testImplementation(platform(libs.androidx.compose.bom))
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testImplementation(libs.androidx.compose.ui.test.junit4)
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debugImplementation(libs.androidx.compose.ui.test.manifest)
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}

‎oss-licenses-plugin/testapp/app/src/main/AndroidManifest.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android">
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<application
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android:allowBackup="true"
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android:label="OSS Licenses Test App"
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android:supportsRtl="true"
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android:theme="@style/Theme.AppCompat.Light">
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<activity
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android:name=".MainActivity"
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android:exported="true">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎oss-licenses-plugin/testapp/app/src/main/java/com/google/android/gms/oss/licenses/testapp/MainActivity.kt‎

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/*
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* Copyright 2026 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.android.gms.oss.licenses.testapp
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import android.content.Intent
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import android.os.Bundle
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import androidx.activity.ComponentActivity
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import androidx.activity.compose.setContent
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import androidx.compose.foundation.layout.Arrangement
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.Spacer
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.foundation.layout.height
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import androidx.compose.material3.Button
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.material3.Text
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.unit.dp
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import com.google.android.gms.oss.licenses.OssLicensesMenuActivity as V1Activity
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import com.google.android.gms.oss.licenses.v2.OssLicensesMenuActivity as V2Activity
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class MainActivity : ComponentActivity() {
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContent {
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MaterialTheme {
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Column(
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modifier = Modifier.fillMaxSize(),
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verticalArrangement = Arrangement.Center,
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horizontalAlignment = Alignment.CenterHorizontally,
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) {
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Button(onClick = { startActivity(Intent(this@MainActivity, V1Activity::class.java)) }) {
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Text("Launch V1 Licenses")
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}
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Spacer(modifier = Modifier.height(16.dp))
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Button(onClick = { startActivity(Intent(this@MainActivity, V2Activity::class.java)) }) {
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Text("Launch V2 Licenses")
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}
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}
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}
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}
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}
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}

‎oss-licenses-plugin/testapp/app/src/test/resources/robolectric.properties‎

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# Global Robolectric Configuration
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# Note: SDK 36 (Baklava) requires Java 21+ — Robolectric will fail to run it on older JVMs.
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sdk=24, 33, 34, 35, 36

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