错误=无法找到以下设备的检测信息:ComponentInfo {} [英] Error=Unable to find instrumentation info for: ComponentInfo{ }
问题描述
我正尝试接受意式浓缩咖啡测试,但我不断收到此错误:
I am trying to stand up espresso tests but I keep getting this error:
INSTRUMENTATION_STATUS: Error=Unable to find instrumentation info for: ComponentInfo{com.mikeestrada.test/android.test.InstrumentationTestRunner}
它曾经工作过一次,但是我无法正确重新创建报告.他们只是空白,没有进行任何测试. 我已经尝试了许多命令,包括
It worked once, but I can't get the reports to recreate correctly. They are just blank, didn't test anything. I've tried a plethora of commands including
adb shell am instrument -w -r com.mikeestrada.test/android.test.InstrumentationTestRunner
和
adb shell am instrument -w -r com.mikeestrada.test/com.google.android.apps.common.testing.testrunner.GoogleInstrumentation TestRunner
这是我的代码段:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.myapplication"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="7"
android:targetSdkVersion="19" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.myapplication.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<instrumentationandroid:name="com.google.android.apps.common.testing.testrunner.GoogleInstrumentationTestRunner"
android:targetPackage="com.mikeestrada.test"/>
package com.mikeestrada.test;
import android.test.ActivityInstrumentationTestCase2;
import android.test.ActivityUnitTestCase;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.LargeTest;
import android.view.View;
import com.example.myapplication.MainActivity;
import com.example.myapplication.R;
import com.google.android.apps.common.testing.ui.espresso.Espresso;
import com.google.android.apps.common.testing.ui.espresso.ViewAssertion;
import com.google.android.apps.common.testing.ui.espresso.ViewInteraction;
import com.google.android.apps.common.testing.ui.espresso.action.ViewActions;
import com.google.android.apps.common.testing.ui.espresso.assertion.ViewAssertions;
import com.google.android.apps.common.testing.ui.espresso.matcher.ViewMatchers;
import junit.framework.Assert;
import org.hamcrest.Matcher;
public class TestStartScreen extends ActivityInstrumentationTestCase2<MainActivity> {
public TestStartScreen() {
super(MainActivity.class);
}
@LargeTest
public void testHelloWorld(final Matcher<View> viewMatcher) {
// Find
//ViewInteraction button1 = onView(ViewMatchers.withId(R.id.button1)); // Find the button
ViewInteraction helloWorldText = Espresso.onView(ViewMatchers.withText("Hello world!")); // Find the text
// Action
//button1.perform(ViewActions.click()); // Click the button
helloWorldText.perform(ViewActions.typeText("Bye World!"));
Espresso.onView(ViewMatchers.withText(R.id.withText));
// Check
helloWorldText.check(ViewAssertions.matches((ViewMatchers.isDisplayed()))); // Hello world text is hidden
//Espresso.onView(withId(R.id.my_view)).check(matches(withText("Hello world!")));
}
}
build.gradle
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:0.7.+'
}
}
apply plugin: 'android'
repositories {
mavenCentral()
}
android {
compileSdkVersion 19
buildToolsVersion "19.0.0"
defaultConfig {
minSdkVersion 7
targetSdkVersion 19
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_7
targetCompatibility JavaVersion.VERSION_1_7
}
sourceSets {
main {
manifest.srcFile 'AndroidManifest.xml'
assets.srcDirs = ['assets']
}
}
}
dependencies {
compile 'com.android.support:appcompat-v7:+'
instrumentTestCompile files('libs/espresso-1.1-bundled.jar')
}
android {
defaultConfig {
testInstrumentationRunner "com.google.android.apps.common.testing.testrunner.GoogleInstrumentationTestRunner"
}
}
task wrapper (type: Wrapper) {
gradlerVersion = '1.9'
}
如果有任何含义-清单中<instrumentation>
的属性显示为红色,就好像IntelliJ无法识别它们.
If it means anything - the attributes of <instrumentation>
in the manifest are colored red as if IntelliJ does not recognize them.
任何帮助都很好,谢谢!
Any help is great, thanks!
推荐答案
您需要检查设备上已安装了哪些检测包:
You need to check which instrumentation packages have been installed on your device:
adb shell pm list instrumentation
然后验证 com.mikeestrada.test 是否在那里实际列出.
Then verify whether com.mikeestrada.test is actually listed there.
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