我正在尝试使用./gradlew clean connectectedAndroidTest运行Espresso测试.此命令最终会导致此错误消息：
:app:dexDebugAndroidTest
UNEXPECTED TOP-LEVEL EXCEPTION:
java.lang.IllegalArgumentException: already added: Landroid/support/test/InstrumentationRegistry;
我的顶级build.gradle包含：
classpath 'com.android.tools.build:gradle:1.2.3'
我通过包装器使用Gradle 2.4.
我的项目的build.gradle看起来像这样：
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'org.robolectric:robolectric-gradle-plugin:1.0.1'
// classpath 'me.tatarka:gradle-retrolambda:3.1.0'
}
}
apply plugin: 'android-sdk-manager'
apply plugin: 'com.android.application'
//apply plugin: 'me.tatarka.retrolambda'
apply plugin: 'org.robolectric'
android {
compileSdkVersion 21
buildToolsversion "22.0.1"
defaultConfig {
applicationId "com.something"
minSdkVersion 15
targetSdkVersion 21
versionCode 1
versionName "1.0"
multiDexEnabled true
testInstrumentationRunner "com.android.test.runner.MultiDexTestRunner"
}
dexOptions {
javaMaxHeapSize "2g"
preDexLibraries = false
}
buildTypes {
debug {
versionNameSuffix '-DEBUG'
minifyEnabled false
shrinkResources = false
zipAlignEnabled = false
}
release {
minifyEnabled false
shrinkResources = true
zipAlignEnabled = true
}
}
lintOptions {
checkReleaseBuilds false
abortOnError false
}
packagingOptions {
exclude 'LICENSE.txt'
exclude 'meta-inf/DEPENDENCIES'
exclude 'meta-inf/NOTICE'
exclude 'meta-inf/LICENSE'
exclude 'meta-inf/LICENSE.txt'
exclude 'meta-inf/NOTICE.txt' }
}
dependencies {
//compile 'com.google.dexmaker:dexmaker:1.0'
compile 'com.android.support:multidex:1.0.1'
// Auth0
compile 'com.auth0.android:lock:1.7.0'
compile 'com.auth0.android:lock-googleplus:1.7.0'
compile 'com.android.support:appcompat-v7:22.1.1'
compile 'com.google.code.gson:gson:2.3.1'
compile 'com.squareup.picasso:picasso:2.1.1'
compile 'com.squareup.retrofit:retrofit:1.9.0'
compile 'com.squareup.okhttp:okhttp:2.4.0'
compile 'com.google.android.gms:play-services-plus:7.3.0'
compile 'io.reactivex:rxandroid:0.24.0'
compile 'com.amazonaws:aws-android-sdk-cognito:2.2.1'
compile 'com.amazonaws:aws-android-sdk-core:2.2.1'
compile 'com.amazonaws:aws-android-sdk-mobileanalytics:2.2.1'
// Robolectric
//testCompile 'junit:junit:4.12'
testCompile "org.robolectric:robolectric:3.0-rc3"
testCompile "org.robolectric:shadows-multidex:3.0-rc3" // otherwise robolectric tests fail on MultiDex.install
androidTestCompile ('com.android.support.test:rules:0.2') {
exclude module: 'support-v4'
exclude module: 'support-annotations'
}
androidTestCompile ('com.android.support.test:testing-support-lib:0.1') {
exclude group: 'junit'
}
androidTestCompile ('com.android.support.test.espresso:espresso-core:2.0') {
exclude module: 'testing-support-lib'
exclude module: 'support-v4'
exclude module: 'support-annotations'
exclude group: 'javax.inject'
}
}
robolectric {
// Configure includes / excludes
include '**/*Test.class'
exclude '**/espresso/**/*.class'
// Configure max heap size of the test JVM
maxHeapSize = '2048m'
// Configure the test JVM arguments - Does not apply to Java 8
//jvmArgs '-XX:MaxPermSize=512m', '-XX:-UseSplitVerifier'
// Specify max number of processes (default is 1)
maxParallelForks = 4
// Specify max number of test classes to execute in a test process
// before restarting the process (default is unlimited)
forkEvery = 150
// configure whether failing tests should fail the build
ignoreFailures true
// use afterTest to listen to the test execution results
afterTest { descriptor, result ->
println "Executing test for ${descriptor.name} with result: ${result.resultType}"
}
}
现在我一直在试图弄清楚发生了什么,例如通过使用./gradlew -q app查看依赖关系：依赖关系导致(以及其他内部配置)：
androidJacocoAgent - The Jacoco agent to use to get coverage data.
\--- org.jacoco:org.jacoco.agent:0.7.4.201502262128
androidJacocoAnt - The Jacoco ant tasks to use to get execute Gradle tasks.
\--- org.jacoco:org.jacoco.ant:0.7.4.201502262128
+--- org.jacoco:org.jacoco.core:0.7.4.201502262128
| \--- org.ow2.asm:asm-debug-all:5.0.1
+--- org.jacoco:org.jacoco.report:0.7.4.201502262128
| +--- org.jacoco:org.jacoco.core:0.7.4.201502262128 (*)
| \--- org.ow2.asm:asm-debug-all:5.0.1
\--- org.jacoco:org.jacoco.agent:0.7.4.201502262128
androidTestCompile - Classpath for compiling the androidTest sources.
+--- com.android.support.test:rules:0.2
| \--- com.android.support.test:runner:0.2
| +--- junit:junit-dep:4.10
| | \--- org.hamcrest:hamcrest-core:1.1
| \--- com.android.support.test:exposed-instrumentation-api-publish:0.2
+--- com.android.support.test:testing-support-lib:0.1
\--- com.android.support.test.espresso:espresso-core:2.0
+--- com.squareup:javawriter:2.1.1
+--- org.hamcrest:hamcrest-integration:1.1
| \--- org.hamcrest:hamcrest-core:1.1
+--- org.hamcrest:hamcrest-library:1.1
| \--- org.hamcrest:hamcrest-core:1.1
+--- com.android.support.test.espresso:espresso-idling-resource:2.0
+--- com.google.code.findbugs:jsr305:2.0.1
+--- javax.annotation:javax.annotation-api:1.2
\--- org.hamcrest:hamcrest-core:1.1
compile - Classpath for compiling the main sources.
+--- com.android.support:multidex:1.0.1
+--- com.auth0.android:lock:1.7.0
| +--- com.android.support:appcompat-v7:22.0.0 -> 22.1.1
| | \--- com.android.support:support-v4:22.1.1
| | \--- com.android.support:support-annotations:22.1.1
| +--- com.squareup:otto:1.3.5
| +--- com.auth0.android:identity-core:1.7.0
| | +--- com.hannesdorfmann.smoothprogressbar:library:1.0.0
| | +--- com.android.support:appcompat-v7:21.0.2 -> 22.1.1 (*)
| | \--- com.auth0.android:core:1.7.0
| | +--- com.fasterxml.jackson.core:jackson-annotations:2.4.1
| | +--- com.fasterxml.jackson.core:jackson-core:2.4.1
| | +--- com.loopj.android:android-async-http:1.4.5
| | \--- com.fasterxml.jackson.core:jackson-databind:2.4.1
| | +--- com.fasterxml.jackson.core:jackson-annotations:2.4.0 -> 2.4.1
| | \--- com.fasterxml.jackson.core:jackson-core:2.4.1
| \--- com.auth0.android:core:1.7.0 (*)
+--- com.auth0.android:lock-googleplus:1.7.0
| +--- com.android.support:appcompat-v7:21.0.2 -> 22.1.1 (*)
| +--- com.auth0.android:identity-core:1.7.0 (*)
| \--- com.google.android.gms:play-services-plus:6.5.87 -> 7.3.0
| \--- com.google.android.gms:play-services-base:7.3.0
| \--- com.android.support:support-v4:22.0.0 -> 22.1.1 (*)
+--- com.android.support:appcompat-v7:22.1.1 (*)
+--- com.google.code.gson:gson:2.3.1
+--- com.squareup.picasso:picasso:2.1.1
+--- com.squareup.retrofit:retrofit:1.9.0
| \--- com.google.code.gson:gson:2.3.1
+--- com.squareup.okhttp:okhttp:2.4.0
| \--- com.squareup.okio:okio:1.4.0
+--- com.google.android.gms:play-services-plus:7.3.0 (*)
+--- io.reactivex:rxandroid:0.24.0
| \--- io.reactivex:rxjava:1.0.4
+--- com.amazonaws:aws-android-sdk-cognito:2.2.1
| \--- com.amazonaws:aws-android-sdk-core:2.2.1
| +--- commons-logging:commons-logging:1.1.1
| \--- com.google.code.gson:gson:2.2.4 -> 2.3.1
+--- com.amazonaws:aws-android-sdk-core:2.2.1 (*)
\--- com.amazonaws:aws-android-sdk-mobileanalytics:2.2.1
\--- com.amazonaws:aws-android-sdk-core:2.2.1 (*)
testCompile - Classpath for compiling the test sources.
+--- org.robolectric:robolectric:3.0-rc3
| +--- junit:junit:4.8.2
| +--- org.robolectric:robolectric-annotations:3.0-rc3
| +--- org.robolectric:robolectric-resources:3.0-rc3
| | +--- org.robolectric:robolectric-utils:3.0-rc3
| | | +--- org.robolectric:robolectric-annotations:3.0-rc3
| | | \--- com.google.android.apps.common.testing.accessibility.framework:accessibility-test-framework:1.0
| | +--- org.robolectric:robolectric-annotations:3.0-rc3
| | \--- com.ximpleware:vtd-xml:2.11
| +--- org.robolectric:robolectric-utils:3.0-rc3 (*)
| +--- org.robolectric:shadows-core:3.0-rc3
| | +--- org.robolectric:robolectric-annotations:3.0-rc3
| | +--- org.robolectric:robolectric-utils:3.0-rc3 (*)
| | +--- org.robolectric:robolectric-resources:3.0-rc3 (*)
| | +--- com.ibm.icu:icu4j:53.1
| | \--- com.almworks.sqlite4java:sqlite4java:0.282
| +--- org.bouncycastle:bcprov-jdk16:1.46
| +--- org.ow2.asm:asm:5.0.1
| +--- org.ow2.asm:asm-commons:5.0.1
| | \--- org.ow2.asm:asm-tree:5.0.1
| | \--- org.ow2.asm:asm:5.0.1
| +--- org.ow2.asm:asm-util:5.0.1
| | \--- org.ow2.asm:asm-tree:5.0.1 (*)
| +--- org.ow2.asm:asm-analysis:5.0.1
| | \--- org.ow2.asm:asm-tree:5.0.1 (*)
| +--- com.ximpleware:vtd-xml:2.11
| +--- org.apache.maven:maven-ant-tasks:2.1.3
| \--- org.apache.ant:ant:1.8.0
| \--- org.apache.ant:ant-launcher:1.8.0
\--- org.robolectric:shadows-multidex:3.0-rc3
\--- org.robolectric:robolectric:3.0-rc3 (*)
现在我的问题是,我该如何找出造成重复的原因？据我所知,它应该是一些包含另一个定义InstrumentationRegistry的库的库.
解决方法:
来自Espresso 2.1 release notes：
“…测试运行器工件分为两部分,名称从com.android.support.test：testing-support-lib：0.1更改为com.android.support.test：runner：0.2 com.android.support.test：规则：0.2 …”
在您的依赖项中,您通过包含旧的testing-support-lib和新规则来混合两个测试运行器.
所以你要么通过添加一个runner：0.2依赖而不是旧的support-lib或者选择不使用规则来完全切换到新的测试运行器.
如果你想保留规则,你的androidTest依赖项将如下所示：
androidTestCompile('com.android.support.test:rules:0.2') {
exclude module: 'support-v4'
exclude module: 'support-annotations'
}
androidTestCompile('com.android.support.test:runner:0.2') {
exclude module: 'support-annotations'
}
androidTestCompile('com.android.support.test.espresso:espresso-core:2.0') {
exclude module: 'testing-support-lib'
exclude module: 'support-v4'
exclude module: 'support-annotations'
exclude group: 'javax.inject'
}
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