如何在Log中模拟方法e
16lz
2021-01-22
Here Utils.java is my class to be tested and following is the method which is called in UtilsTest class. Even if I am mocking Log.e method as shown below
这里Utils.java是我要测试的类,以下是在UtilsTest类中调用的方法。即使我正在嘲笑Log.e方法,如下所示
@Before
public void setUp() {
when(Log.e(any(String.class),any(String.class))).thenReturn(any(Integer.class));
utils = spy(new Utils());
}
I am getting the following exception
我收到以下异常
java.lang.RuntimeException: Method e in android.util.Log not mocked. See http://g.co/androidstudio/not-mocked for details.
at android.util.Log.e(Log.java)
at com.xxx.demo.utils.UtilsTest.setUp(UtilsTest.java:41)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:78)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:212)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:68)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)
8 个解决方案
#1
47
This worked out for me. I'm only using JUnit and I was able to mock up the Log
class without any third party lib very easy. Just create a file Log.java
inside app/src/test/java/android/util
with contents:
这对我有用。我只使用JUnit而且我能够在没有任何第三方库的情况下模拟Log类非常容易。只需在app / src / test / java / android / util里面创建一个文件Log.java,内容如下:
public class Log {
public static int d(String tag, String msg) {
System.out.println("DEBUG: " + tag + ": " + msg);
return 0;
}
public static int i(String tag, String msg) {
System.out.println("INFO: " + tag + ": " + msg);
return 0;
}
public static int w(String tag, String msg) {
System.out.println("WARN: " + tag + ": " + msg);
return 0;
}
public static int e(String tag, String msg) {
System.out.println("ERROR: " + tag + ": " + msg);
return 0;
}
// add other methods if required...
}
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