Android studio下gradle Robolectric单元测试配置

buildscript {
  repositories {
        mavenCentral()
        maven {
            url ‘https://oss.sonatype.org/content/repositories/snapshots/‘
        }
    }
 
    dependencies {
        classpath ‘com.android.tools.build:gradle:0.12.+‘
//        classpath ‘org.robolectric:robolectric-gradle-plugin:0.13.+’
    //引用相关gradle插件
        classpath ‘com.github.jcandksolutions.gradle:android-unit-test:1.6.2‘
    }
}
apply plugin: ‘android-library‘
apply plugin: ‘idea‘
idea {
    module {
    //设置测试类的输出目录
        testOutputDir = file(‘build/test-classes‘)
    }
}
repositories {
    mavenCentral()
    maven {
        url ‘https://oss.sonatype.org/content/repositories/snapshots/‘
    }
}
//由于android studiode 一个bug，必须把module的iml文件中的android sdk引用放到最下面
task pushDownJdkDependency {
//这里是待测试项目的iml文件名
    def imlFile = file("library.iml")
    doLast {
        try {
            def parsedXml = (new XmlParser()).parse(imlFile)
            def jdkNode = parsedXml.component[1].orderEntry.find { it.‘@type‘ == ‘jdk‘ }

            parsedXml.component[1].remove(jdkNode)
//这里是target sdk版本，只需要改数字就行
            new Node(parsedXml.component[1], ‘orderEntry‘, [‘type‘: ‘jdk‘, ‘jdkName‘: "Android API 19 Platform", ‘jdkType‘: ‘Android SDK‘])
            def writer = new StringWriter()
            new XmlNodePrinter(new PrintWriter(writer)).print(parsedXml)
            imlFile.text = writer.toString()

        } catch (FileNotFoundException e) {
            // nop, iml not found
        }
    }
}
//在build之前修改iml文件
gradle.projectsEvaluated {
    preBuild.dependsOn(pushDownJdkDependency)
}
android {
    compileSdkVersion 19
    buildToolsVersion ‘19.1.0‘

    sourceSets {
        main {
            manifest.srcFile ‘AndroidManifest.xml‘
            java.srcDirs = [‘src/main/java‘]
            res.srcDirs = [‘res’]
//指定测试文件所在目录
            androidTest.setRoot(‘src/test‘)
        }
    }
    defaultConfig {
        minSdkVersion 10
        targetSdkVersion 19
        versionCode 2
        versionName "2.0.0"
        testInstrumentationRunner "com.google.android.apps.common.testing.testrunner.GoogleInstrumentationTestRunner"
    }
}
//应用插件
apply plugin: ‘android-unit-test‘

dependencies {
    compile ‘com.android.support:support-v4:19.1.0’
//注意，如果https://github.com/evant/android-studio-unit-test-plugin，此插件没有安装，则可能无法识别testCompile语义
//junit:junit和org.robolectric:robolectric是必须项，其他的项目根据实际引用添加
    testCompile ‘junit:junit:4.10‘
    testCompile ‘org.robolectric:robolectric:2.3‘
    testDebugCompile ‘org.debugonly.dependency‘
    testFreeCompile ‘Admob.jar‘
    testCompile ‘org.mockito:mockito-all:1.9.5‘
    testCompile(‘com.squareup:fest-android:1.0.+‘) { exclude module: ‘support-v4‘ }
}