Looks like there is no such API (please raise an issue, it should be!) Fortunately (following your comment below) there is a method in the `org.mockito.internal.util` package:

    import org.mockito.internal.util.MockUtil;

    new MockUtil().isMock(obj)

In the future `Mockito.isMock()` method might be added to public API, see: [Issue 313: Provide isMock outside of org.mockito.internal)](http://code.google.com/p/mockito/issues/detail?id=313).

As a follow up, the Mockito public API now has [this method](https://javadoc.io/doc/org.mockito/mockito-core/latest/org/mockito/Mockito.html#mockingDetails-java.lang.Object-):

    MockingDetails org.mockito.Mockito.mockingDetails(Object toInspect)

Which is the result of the issue that @David Wallace raised. The returned object supports the methods `isMock()` as well as `isSpy()` along with a few other methods that provide additional mocking information.

if you are using io.mockk.mockk then you can do :

    isMockKMock()



I am working on a large dataset, with some rows with NAs and others with blanks:

    df &lt;- data.frame(ID = c(1:7),                                   
             home_pc = c(&quot;&quot;,&quot;CB4 2DT&quot;, &quot;NE5 7TH&quot;, &quot;BY5 8IB&quot;, &quot;DH4 6PB&quot;,&quot;MP9 7GH&quot;,&quot;KN4 5GH&quot;),               
             start_pc = c(NA,&quot;Home&quot;, &quot;FC5 7YH&quot;,&quot;Home&quot;, &quot;CB3 5TH&quot;, &quot;BV6 5PB&quot;,NA),               
             end_pc = c(NA,&quot;CB5 4FG&quot;,&quot;Home&quot;,&quot;&quot;,&quot;Home&quot;,&quot;&quot;,NA))

How do I remove the NAs and blanks in one go (in the start_pc and end_pc columns)?  I have in the past used:

    df&lt;- df[-which(is.na(df$start_pc)), ]

... to remove the NAs - is there a similar command to remove the blanks?

Delete rows with blank values in one particular column

I have a 3 fragments in an activity when the a tablet is held in portrait. However I only have 2 of these fragments when in landscape. The problem I am having is when going from portrait to landscape the activity is creating the 3rd fragment. I receive and error as this fragment cannot be created. 

I have worked out that this fragment is being created because it is in the back stack.

I have tried to remove the fragment in the onDestroy method by using 

    FragmentTransaction f = fragmentManager.beginTransaction();
    f.remove(mf);
    f.commit();

However the I get an error saying that I cannot use this function after the onSaveInstanceState

What would be the correct way of taking this fragment out of the back stack?

Update
--------

I should probably add that the fragment I am having problems with is a mapFragment from this libary

https://github.com/petedoyle/android-support-v4-googlemaps

The way I use it is like so

    mf = MapFragment.newInstance(1, true);

    ft = fragmentManager.beginTransaction();
    ft.replace(R.id.mapContainer, mf);
    ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
    ft.addToBackStack(&quot;map&quot;);
    ft.commit();

Removing a Fragment from the back stack

Is it possible to tell in code if a given object is a Mockito mock or not?

The reason I&#39;d like to do this is to return a different error message when a mock is being used. This would be used to suggest to other developers that they should use a pre-prepared mock that is already set to answer calls in a useful way rather than creating the mock themselves.

At the moment the best I have is `object.getClass().getName().contains(&quot;EnhancerByMockitoWithCGLIB&quot;)` but this feels hacky.

How can I tell if an object is a Mockito mock?

Is it possible to tell in code if a given object is a Mockito mock or not?
The reason I'd like to do this is to return a different error message when a mock is being used. This would be used to suggest to other developers that they should use a pre-prepared mock that is already set to answer calls in a useful way rather than creating the mock themselves.
At the moment the best I have is <code>object.getClass().getName().contains("EnhancerByMockitoWithCGLIB")</code> but this feels hacky.

I would like to know the regex to match words such that the words have a maximum length. 
for eg, if a word is of maximum 10 characters in length, I would like the regex to match, but if the length exceeds 10, then the regex should not match.  

I tried 
 

    ^(\w{10})$

but that brings me matches only if the minimum length of the word is 10 characters. If the word is more than 10 characters, it still matches, but matches only first 10 characters. 

Regex to match words of a certain length

I have this date object:

    SimpleDateFormat df = new SimpleDateFormat(&quot;yyyy-mm-dd HH:mm&quot;);
    Date d1 = df.parse(interviewList.get(37).getTime());

value of d1 is `Fri Jan 07 17:40:00 PKT 2011`

Now I am trying to add 10 minutes to the date above.

    Calendar cal = Calendar.getInstance();
    cal.setTime(d1);
    cal.add(Calendar.MINUTE, 10);
    String newTime = df.format(cal.getTime());

Value of `newTime` changes to `2011-50-07 17:50`
but it should be `07-01-2011 17:50`.

It adds minutes correctly but it also changes month, don&#39;t know why!

Why is the month changed to 50 after I added 10 minutes?

I have created simple project from maven-achetype-quickstart under Eclipse Indigo, then I went to pom.xml gui editor and in dependencies tab added dependency `log4j` by search in appropriate dialog. Now my pom.xml looks like

    &lt;project xmlns=&quot;http://maven.apache.org/POM/4.0.0&quot; xmlns:xsi=&quot;http://www.w3.org/2001/XMLSchema-instance&quot;
      xsi:schemaLocation=&quot;http://maven.apache.org/POM/4.0.0 http://maven.apache.org xsd/maven-.0.0.xsd&quot;&gt;
    &lt;modelVersion&gt;4.0.0&lt;/modelVersion&gt;
    &lt;groupId&gt;mygroup&lt;/groupId&gt;
      &lt;artifactId&gt;Test_Maven_03&lt;/artifactId&gt;
      &lt;version&gt;0.0.1-SNAPSHOT&lt;/version&gt;
      &lt;packaging&gt;jar&lt;/packaging&gt;

      &lt;name&gt;Test_Maven_03&lt;/name&gt;
      &lt;url&gt;http://maven.apache.org&lt;/url&gt;

      &lt;properties&gt;
        &lt;project.build.sourceEncoding&gt;UTF-8&lt;/project.build.sourceEncoding&gt;
      &lt;/properties&gt;

      &lt;dependencies&gt;
        &lt;dependency&gt;
          &lt;groupId&gt;junit&lt;/groupId&gt;
          &lt;artifactId&gt;junit&lt;/artifactId&gt;
          &lt;scope&gt;test&lt;/scope&gt;
        &lt;/dependency&gt;
        &lt;dependency&gt;
        	&lt;groupId&gt;log4j&lt;/groupId&gt;
        	&lt;artifactId&gt;log4j&lt;/artifactId&gt;
        	&lt;version&gt;1.2.15&lt;/version&gt;
        &lt;/dependency&gt;
      &lt;/dependencies&gt;
      &lt;dependencyManagement&gt;
  	&lt;dependencies&gt;
  		&lt;dependency&gt;
  			&lt;groupId&gt;junit&lt;/groupId&gt;
  			&lt;artifactId&gt;junit&lt;/artifactId&gt;
  			&lt;version&gt;3.8.1&lt;/version&gt;
  		&lt;/dependency&gt;
  	&lt;/dependencies&gt;
      &lt;/dependencyManagement&gt;
    &lt;/project&gt;


Eclipse says my POM have many problems like 

Missing artifact javax.jms:jms:jar:1.1	pom.xml	/Test_Maven_03	line 2	Maven Dependency Problem

What does it mean and how to see maven feature of automatic jar downloading. 


**EDIT 1**
If I select log4j 1.2.16 instead of 1.2.15, I get another error: `Missing artifact log4j:log4j:bundle:1.2.16`. So I see no automatic jar management at all.

Missing artifact com.sun.jdmk:jmxtools:jar:1.2.1

Just a simple velocity standalone app based on maven structure. Here is the code snippet written in Scala to render the template `helloworld.vm` in `${basedir}/src/main/resources` folder: 

    com.ggd543.velocitydemo
    
    import org.apache.velocity.app.VelocityEngine
    import org.apache.velocity.VelocityContext
    import java.io.StringWriter
    
    /**
     * @author ${user.name}
     */
    object App {
    
      def main(args: Array[String]) {
        //First , get and initialize an engine
        val ve = new VelocityEngine();
        ve.init();
    
        //Second, get the template
        val resUrl = getClass.getResource(&quot;/helloworld.vm&quot;)
        val t = ve.getTemplate(&quot;helloworld.vm&quot;);   // not work 
    //    val t = ve.getTemplate(&quot;/helloworld.vm&quot;);  // not work
    //    val t = ve.getTemplate(resUrl.toString);  // not work yet
        //Third, create a context and add data
        val context = new VelocityContext();
        context.put(&quot;name&quot;, &quot;Archer&quot;)
        context.put(&quot;site&quot;, &quot;http://www.baidu.com&quot;)
        //Finally , render the template into a StringWriter
        val sw = new StringWriter
        t.merge(context, sw)
        println(sw.toString);
      }
    
    }

when to compile and run the program, I got the following error:

    2012-1-29 14:03:59 org.apache.velocity.runtime.log.JdkLogChute log
    严重: ResourceManager : unable to find resource &#39;/helloworld.vm&#39; in any resource loader.
    Exception in thread &quot;main&quot; org.apache.velocity.exception.ResourceNotFoundException: Unable to find resource &#39;/helloworld.vm&#39;
    	at org.apache.velocity.runtime.resource.ResourceManagerImpl.loadResource(ResourceManagerImpl.java:474)
    	at org.apache.velocity.runtime.resource.ResourceManagerImpl.getResource(ResourceManagerImpl.java:352)
    	at org.apache.velocity.runtime.RuntimeInstance.getTemplate(RuntimeInstance.java:1533)
    	at org.apache.velocity.runtime.RuntimeInstance.getTemplate(RuntimeInstance.java:1514)
    	at org.apache.velocity.app.VelocityEngine.getTemplate(VelocityEngine.java:373)
    	at com.ggd543.velocitydemo.App$.main(App.scala:20)
    	at com.ggd543.velocitydemo.App.main(App.scala)
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    	at java.lang.reflect.Method.invoke(Method.java:597)
    	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
    
    Process finished with exit code 1



Unable to find velocity template resources

From the command line, how do I set the Java CLASSPATH option to point to one or more directories containing multiple jar file? Are there wildcards for recursive directory and sub-directory support?

(My JAR files are sorted in several sub-directories.)

Set folder for classpath

I have a very simple test case that is using Mockito and Spring Test framework. When I do 

    when(pcUserService.read(&quot;1&quot;)).thenReturn(pcUser);

I get this exception. 

    org.mockito.exceptions.misusing.MissingMethodInvocationException: 
    when() requires an argument which has to be &#39;a method call on a mock&#39;.
    For example:
        when(mock.getArticles()).thenReturn(articles);
    
    Also, this error might show up because:
    1. you stub either of: final/private/equals()/hashCode() methods.
       Those methods *cannot* be stubbed/verified.
    2. inside when() you don&#39;t call method on mock but on some other object.
    
    	at com.project.cleaner.controller.test.PcUserControllerTest.shouldGetPcUser(PcUserControllerTest.java:93)
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    	at java.lang.reflect.Method.invoke(Unknown Source)
    	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)

I have tried with different methods but keep on getting this error message. I am using Spring 3.1.0.RELEASE with Mockito. Please share and guide me in the right direction.

Mockito Exception - when() requires an argument which has to be a method call on a mock

I have a few static util methods in my project, some of them just pass or throw an exception. There are a lot of examples out there on how to mock a static method that has a return type other than void. But how can I mock a static method that returns void to just &quot;`doNothing()`&quot;?

The non-void version uses these lines of codes:

    @PrepareForTest(StaticResource.class)
...

    PowerMockito.mockStatic(StaticResource.class);

...

    Mockito.when(StaticResource.getResource(&quot;string&quot;)).thenReturn(&quot;string&quot;);


However if applied to a `StaticResources` that returns `void`, the compile will complain that `when(T)` is not applicable for void... 

Any ideas?

A workaround would probably be to just have all static methods return some `Boolean` for success but I dislike workarounds.

How do I mock a static method that returns void with PowerMock?

I am new to Mockito.

Given the class below, how can I use Mockito to verify that `someMethod` was invoked exactly once after `foo` was invoked?

    public class Foo
    {
        public void foo(){
            Bar bar = new Bar();
            bar.someMethod();
        }
    }

I would like to make the following verification call,

    verify(bar, times(1)).someMethod();

where `bar` is a mocked instance of `Bar`.

Mockito : how to verify method was called on an object created within a method?

With Mockito, I want to `verify()` a method call with `byte[]` in its argument list, but I didn&#39;t find how to write this.

     myMethod( byte[] )

I just want something like `anyByteArray()`, how to do that with Mockito ?


Mockito matcher and array of primitives

Mockito offers:


&lt;!-- language: lang-java&gt;

    when(mock.process(Matchers.any(List.class)));
&lt;/pre&gt;

How to avoid warning if `process` takes a `List&lt;Bar&gt;` instead?&lt;br/&gt;


Content Type	Original Author	Original Content on Stackoverflow
Question	mikej	View Question on Stackoverflow
Solution 1 - Java	Tomasz Nurkiewicz	View Answer on Stackoverflow
Solution 2 - Java	Spina	View Answer on Stackoverflow
Solution 3 - Java	surga	View Answer on Stackoverflow

How can I tell if an object is a Mockito mock?

Java Problem Overview

Java Solutions

Solution 1 - Java

Solution 2 - Java

Solution 3 - Java

Removing a Fragment from the back stack

Delete rows with blank values in one particular column

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