Android X + Truth + Guava测试编译问题

问题描述 投票：7回答：3

我有一个Android库（称为api）gradle模块作为更大项目的一部分。我刚刚将整个项目迁移到AndroidX。我现在在api lib上运行检测测试时出现此错误：

 Task :api:checkDebugAndroidTestDuplicateClasses FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':api:checkDebugAndroidTestDuplicateClasses'.
> 1 exception was raised by workers:
  java.lang.RuntimeException: java.lang.RuntimeException: Duplicate class com.google.common.util.concurrent.ListenableFuture found in modules jetified-guava-25.1-android.jar (com.google.guava:guava:25.1-android) and listenablefuture-1.0.jar (com.google.guava:listenablefuture:1.0)

如果我检查debugAndroidTest变体的运行时类路径：

./gradlew api:dependencies --configuration debugAndroidTestRuntimeClasspath | grep --color -E "guava|$"

我得到了这个输出。我可以看到问题：

------------------------------------------------------------
Project :api
------------------------------------------------------------
debugAndroidTestRuntimeClasspath - Resolved configuration for runtime for variant: debugAndroidTest
+--- project :test_utils
|    +--- project :core
...
|    +--- project :api (*)
|    +--- com.google.android.material:material:1.1.0-alpha03
|    |    +--- androidx.annotation:annotation:1.0.1 -> 1.1.0-alpha01
|    |    +--- androidx.appcompat:appcompat:1.1.0-alpha01
|    |    |    +--- androidx.annotation:annotation:1.0.0 -> 1.1.0-alpha01
|    |    |    +--- androidx.core:core:1.1.0-alpha01 -> 1.1.0-alpha03
|    |    |    |    +--- com.google.guava:listenablefuture:1.0 // <------ GUAVA
|    |    |    |    +--- androidx.annotation:annotation:1.0.1 -> 1.1.0-alpha01
...
+--- com.google.truth:truth:0.42
|    +--- com.google.guava:guava:25.1-android / <------ MORE GUAVA
|    |    +--- com.google.code.findbugs:jsr305:3.0.2
|    |    +--- com.google.errorprone:error_prone_annotations:2.1.3 -> 2.3.1
|    |    +--- com.google.j2objc:j2objc-annotations:1.1
|    |    \--- org.codehaus.mojo:animal-sniffer-annotations:1.14
|    +--- org.checkerframework:checker-compat-qual:2.5.3
|    +--- org.checkerframework:checker-qual:2.5.3
|    +--- junit:junit:4.12 (*)
|    +--- com.googlecode.java-diff-utils:diffutils:1.3.0
|    +--- com.google.auto.value:auto-value-annotations:1.6.2
|    \--- com.google.errorprone:error_prone_annotations:2.3.1
...

AndroidX核心取决于新的“ListableFuture-only”构建的番石榴，Truth取决于完整的Guava 25。

我想我理解ListenableFuture的基本问题：https://groups.google.com/forum/#!topic/guava-announce/Km82fZG68Sw

这里的解决方案是什么？

我不想完全从真理中排除番石榴（否则真相不会编译）

androidTestImplementation("com.google.truth:truth:0.42") {
    exclude group: 'com.google.guava', module: 'guava'
}

我可以通过使其成为第一级依赖项来将强制更新排除到Guava 27：

androidTestImplementation("com.google.truth:truth:$rootProject.ext.truthVersion") {
    exclude group: 'com.google.guava', module: 'guava'
}
// must add guava as top level dependency to force Truth to use latest version
androidTestImplementation 'com.google.guava:guava:27.0.1-android'

如果我这样做，我应该使用guava的android或JRE版本吗？

Side question:

在查看compile类路径时，为什么我看不到番石榴的依赖？错误是编译时错误，而不是运行时错误

./gradlew api:dependencies --configuration debugAndroidTestCompileClasspath | grep --color -E "guava|$"

结果deps：

debugAndroidTestCompileClasspath - Resolved configuration for compilation for variant: debugAndroidTest
+--- project :test_utils // <----------- why are test_utils deps not listed here???
...
+--- com.google.truth:truth:0.42
|    +--- com.google.guava:guava:25.1-android <------ GUAVA
|    |    +--- com.google.code.findbugs:jsr305:3.0.2
|    |    +--- org.checkerframework:checker-compat-qual:2.0.0 -> 2.5.3
|    |    +--- com.google.errorprone:error_prone_annotations:2.1.3 -> 2.3.1
|    |    +--- com.google.j2objc:j2objc-annotations:1.1
|    |    \--- org.codehaus.mojo:animal-sniffer-annotations:1.14
|    +--- org.checkerframework:checker-compat-qual:2.5.3
|    +--- org.checkerframework:checker-qual:2.5.3
|    +--- junit:junit:4.12 (*)
|    +--- com.googlecode.java-diff-utils:diffutils:1.3.0
|    +--- com.google.auto.value:auto-value-annotations:1.6.2
|    \--- com.google.errorprone:error_prone_annotations:2.3.1
...
+--- com.google.truth:truth:{strictly 0.42} -> 0.42 (c)
+--- com.google.guava:guava:{strictly 25.1-android} -> 25.1-android (c) // <--------- why is this listed again here at top level?

Update:

更新到真相0.43后，我现在看到这个错误：

> Could not resolve all artifacts for configuration ':mymodule:debugAndroidTestRuntimeClasspath'.
   > Could not resolve com.google.guava:listenablefuture:{strictly 1.0}.
     Required by:
         project :mymodule
      > Cannot find a version of 'com.google.guava:listenablefuture' that satisfies the version constraints:
           Dependency path 'example:mymodule:unspecified' --> 'com.google.truth:truth:0.43' --> 'com.google.guava:guava:27.0.1-android' --> 'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava'
           Constraint path 'example:mymodule:unspecified' --> 'com.google.guava:listenablefuture:{strictly 1.0}' because of the following reason: debugRuntimeClasspath uses version 1.0
           Dependency path 'example:mymodule:unspecified' --> 'example:myothermodule:unspecified' --> 'andrexampleoidx.core:core:1.1.0-alpha04' --> 'com.google.guava:listenablefuture:1.0'
           Constraint path 'example:mymodule:unspecified' --> 'com.google.guava:listenablefuture:{strictly 1.0}' because of the following reason: debugRuntimeClasspath uses version 1.0
            ...
           Dependency path 'example:mymodule:unspecified' --> 'example:myothermodule:unspecified' --> 'androidx.core:core:1.1.0-alpha04' --> 'androidx.concurrent:concurrent-futures:1.0.0-alpha02' --> 'com.google.guava:listenablefuture:1.0'
           Constraint path 'example:mymodule:unspecified' --> 'com.google.guava:listenablefuture:{strictly 1.0}' because of the following reason: debugRuntimeClasspath uses version 1.0
           ...

   > Could not resolve com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava.
     Required by:
         project :mymodule > com.google.truth:truth:0.43 > com.google.guava:guava:27.0.1-android
      > Cannot find a version of 'com.google.guava:listenablefuture' that satisfies the version constraints:
           Dependency path 'example:mymodule:unspecified' --> 'com.google.truth:truth:0.43' --> 'com.google.guava:guava:27.0.1-android' --> 'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava'
           Constraint path 'example:mymodule:unspecified' --> 'com.google.guava:listenablefuture:{strictly 1.0}' because of the following reason: debugRuntimeClasspath uses version 1.0
           Dependency path 'example:mymodule:unspecified' --> 'example:myothermodule:unspecified' --> 'androidx.core:core:1.1.0-alpha04' --> 'com.google.guava:listenablefuture:1.0'
           ...
           Dependency path 'example:mymodule:unspecified' --> 'example:myothermodule:unspecified' --> 'androidx.core:core:1.1.0-alpha04' --> 'androidx.concurrent:concurrent-futures:1.0.0-alpha02' --> 'com.google.guava:listenablefuture:1.0'
           Constraint path 'example:mymodule:unspecified' --> 'com.google.guava:listenablefuture:{strictly 1.0}' because of the following reason: debugRuntimeClasspath uses version 1.0
           ...

   > Could not resolve com.google.guava:listenablefuture:1.0.
     Required by:
         project :mymodule > androidx.core:core:1.1.0-alpha04
         project :mymodule > androidx.concurrent:concurrent-futures:1.0.0-alpha02
      > Cannot find a version of 'com.google.guava:listenablefuture' that satisfies the version constraints:
           Dependency path 'example:mymodule:unspecified' --> 'com.google.truth:truth:0.43' --> 'com.google.guava:guava:27.0.1-android' --> 'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava'
           Constraint path 'example:mymodule:unspecified' --> 'com.google.guava:listenablefuture:{strictly 1.0}' because of the following reason: debugRuntimeClasspath uses version 1.0
           ...
           Dependency path 'example:mymodule:unspecified' --> 'example:myothermodule:unspecified' --> 'androidx.core:core:1.1.0-alpha04' --> 'androidx.concurrent:concurrent-futures:1.0.0-alpha02' --> 'com.google.guava:listenablefuture:1.0'
           Constraint path 'example:mymodule:unspecified' --> 'com.google.guava:listenablefuture:{strictly 1.0}' because of the following reason: debugRuntimeClasspath uses version 1.0
           ...

如果我理解正确：

  • 真相0.43取决于番石榴27
  • Guava 27依赖于9999.0-empty，因为它内部包含ListenableFuture的副本，版本9999.0-empty很“空”。
  • 其他libs如AndroidX核心依赖于listenablefuture:1.0
  • 解决冲突时（我应该使用版本1.0还是9999.0？）Gradle将选择最新版本，在本例中为9999.0。
  • 所以AndroidX核心实际上是通过Guava从classpath获得ListenableFuture，但它并不是更明智的。
  • 但是，strictly关键字强制使用1.0
  • 发生这种情况是因为Android Gradle Plugin强制运行时和编译时间类路径依赖于相同的版本=（qazxsw poi）

所以目前我仍然坚持要做什么。

android gradle guava androidx google-truth
3个回答
4
投票

要解决冲突，仅仅添加对Guava 27的依赖就足够了。这样做应该是自动的（尽管read more here中描述的“版本99不存在”黑客）阻止the post you linked的第二个副本被拉入。（如果没有，请告诉我们！）

既然你正在开发一个Android库，听起来你想要ListenableFuture而不是guava-27.0.1-android。

抱歉，我对你的问题一无所知。很抱歉没有回应这么久。

1
投票

类似的东西应该防止重复：

-jre

更新库的部分似乎是正确的：

implementation ("com.google.android.material:material:1.1.0-alpha03") {
    exclude group: "com.google.guava", module: "listenablefuture"
}

只能假设没有androidTestImplementation "com.google.guava:guava:27.0.1-android" androidTestImplementation ("com.google.truth:truth:0.42") { exclude group: "com.google.guava", module: "guava" } 。

0
投票

应该“工作”的另一件事是让你的应用程序本身（不只是测试，但整个应用程序）依赖于build.gradle。如果你的构建使用Proguard，它应该在构建期间被删除（除了guava:27.0.1-android）。但是，如果你不是，那么Guava是一个很大的依赖，特别是只是为了解决我们的ListenableFuture技巧和随后的Android Gradle插件之间的糟糕互动:(

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