powermock | Java framework that allows you to unit test code | Mock library
kandi X-RAY | powermock Summary
kandi X-RAY | powermock Summary
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Top functions reviewed by kandi - BETA
- Finds a method or throws an exception if not found .
- Executes a command on the target VM .
- Compares two versions .
- Create a defer constructor .
- Reads the class .
- Reset the given objects .
- Checks whether the given text matches the pattern .
- Update the error message based on the verifyNoInteractionsMessage
- Create a delegate runner for the given test class .
- Create a concrete sub class .
powermock Key Features
powermock Examples and Code Snippets
Community Discussions
Trending Discussions on powermock
QUESTION
I am trying to write a testcase for the below method and I need to mock the response obtained from the elastic search db.
...ANSWER
Answered 2022-Mar-31 at 06:09There's a workaround I can think of, you can mock the static method of object creation of RestHighLevelClient
using mock static(checkout)
https://mvnrepository.com/artifact/org.mockito/mockito-inline
I am using Gradle testImplementation 'org.mockito:mockito-inline:3.4.6'
This worked for me, let me know
QUESTION
Even though I have read the manual and gone through multiple answers for Powermock, could not mock a static method for my use case.
Class:
...ANSWER
Answered 2022-Mar-27 at 01:05java.net.InetAddress
is a system class. The caller of the system class should be defined in @PrepareForTest({ClassThatCallsTheSystemClass.class})
.
See documentation.
The way to go about mocking system classes are a bit different than usual though. Normally you would prepare the class that contains the static methods (let's call it X) you like to mock but because it's impossible for PowerMock to prepare a system class for testing so another approach has to be taken. So instead of preparing X you prepare the class that calls the static methods in X!
Please note @InjectMocks
annotation does not inject static mocks, it can be removed.
Example of working test:
QUESTION
I am attempting to unit test a method that is part of my use case layer of an Android app. The method receives an XML RSS feed and returns it to the view model as GSON-parsed objects. The testing class is annotated with @RunWith(RobolectricTestRunner::class)
.
The test fails because a java.lang.ExceptionInInitializerError
(among others) is thrown by .fromHtml()
within this method of the use case class:
ANSWER
Answered 2022-Mar-21 at 13:56I have discovered a solution. Add the following to the android
section of the module build.gradle
:
QUESTION
I use PowerMock to test a static method as mentioned its documentation.
As far as I see, there may be a bug, but I am not sure:
Static mocking broken for Mockito >= 2.26.1
...
I tried the workarounds mentioned on the following pages, however it does not fix the problem and some of them cannot be applicable as they are outdated.
NotAMockException when trying to verify a static method
verifyStatic get NotAMockExcption from mockito
However, I get "Argument passed to verify() is of type Class and is not a mock!" error. Here is the service method that I am testing and test method:
service:
...ANSWER
Answered 2022-Mar-14 at 12:17Since you asked in another comment, here's a pattern I've used in the past to prevent the need for static mocking:
Imagine we have a static method...
QUESTION
I getting this warning while running application.
I tried solution [here][1] but it is not working ,I am not sure what am I missing, could anyone help here? Thanks in advance.
...ANSWER
Answered 2022-Mar-08 at 22:49You have to use the information SLF4J provide you and back trace the dependency using dependency:tree
and its includes
option.
This message:
QUESTION
I stumbled into an issue where all my unit test classes fail to run, providing the following error:
...ANSWER
Answered 2022-Jan-24 at 19:40They probably just changed the naming scheme for the plugin. Looks like you have one that is about one and a half years out of date.
Anyway, go to File -> Settings -> Languages & Frameworks -> Kotlin and click the Install button.
QUESTION
I'm trying to test a method which calls another method which makes use of a private final static variable initialized inline. I'm then trying to change the value for the variable when the tests run. I've been trying things such as spring reflection or adding a setter for that specific field but maybe I should use something as powermock, which I never used before. I'm on my own trying to implement this with no one to ask so if I could have some guidance on what is the best way to proceed, please.
UPDATE
Based on some feedback I got here, mocking the private final variable may not be what I should do for my my tests. I've opened a different issue here Mock return value for cookie.getValue() using Mockito
...ANSWER
Answered 2021-Dec-23 at 07:10Not sure if even Powermock will be able to help.
The recommended way is to not use inline constants which need to be changed while testing.
- If you want to change this, you need to introduce an interface in between which supplies constants. Use one implementation of it for the actual source and one for tests. Switch the implementation while testing.
If you do not want to change this, you could try the below approach with reflection
- Make the field accessible.
- Remove the final modifier
- edit the field value
I got this suggestion from this discussion
QUESTION
I am trying to write unit tests for a RecyclerView.ViewHolder class which uses ViewBinding but I am facing issues to inflate my ViewBinding in my test class, having this error when running my test :
Binary XML file line #38: Binary XML file line #38: Error inflating class Caused by: java.lang.UnsupportedOperationException: Failed to resolve attribute at index 5: TypedValue{t=0x2/d=0x7f04015d a=2}
I could not find code examples of ViewBinding inflate in test classes, is that possible ? I found this StackOverflow thread but it uses PowerMock to mock a ViewBinding class. I'm using mockK in my project and I think using a real ViewBinding instance would be better in my case.
My ViewHolder looks like this :
...ANSWER
Answered 2021-Dec-15 at 13:55I was able to get this working (using Mockito, but it should be applicable to MockK too) by looking in the generated binding class to see what methods I needed to mock to get it to inflate and return mocked views properly. These files are in app/build/generated/data_binding_base_class_source_out/debug/out/your/package/databinding
for a standard build
Here is an example of a generated data binding class with three views in a ConstraintLayout.
QUESTION
I need a powermock for private method test.
It is working well if I use only @RunWith(PowerMockRunner.class) without @PowerMockRunnerDelegate(SpringJUnit4ClassRunner.class).
I need to use @PowerMockRunnerDelegate(SpringJUnit4ClassRunner.class) for @autowired.
But It doesn't fail to start.
ANSWER
Answered 2021-Dec-12 at 02:49I solved that though adding code under line. But I can't understand what was cause.
QUESTION
I am new to Mockito , I am trying to write Unit Tests for Main Class facing some issue not able to instantiate the bean. Please anyone help me to fix that issue. If anyone give me suggestion how to approach to write the unit tests in mockito for below class.
Main class
...ANSWER
Answered 2021-Nov-09 at 08:57There's little value in writing a unit test for your Spring Boot entry-point class ObsDocumentApplication
as you end up with almost an exact copy of your implementation.
Such tests can only verify that your mocking setup matches your implementation. Any change to your implementation will most probably fail the unit test as the stubbing setup needs to be adjusted.
A better approach is to write an integration test that makes sure your Spring ApplicationContext
can launch (which will implicitly verify your ObsDocumentApplication
).
You can use the @SpringBootTest
annotation for this purpose.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install powermock
You can use powermock like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the powermock component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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