You can test a private constructor by using Reflection. Insert the following code in your unit test class:
How to test a private constructor
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How to unit test a DAO class in Java
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When you test a DAO class. It is possible you insert or update test data in your database. Of course, we don’t want that. There is a possibility to rollback the transaction when your test is completed.
We use EasyMock to do so.
How to count a specific char from a String in Java
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To count a specific char from a String, you can simply use the Spring framework.
How to unit test getters and setters in Java
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It is possible to test getters and setters (properties) from your model class. Through a test class, it is done in no time.
How to unit test equals and hashcode
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The equals and hashcode methodes are simple to test with JQNO.
How to unit test a web service
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To test your web service, you can use Smock. Smock compares your request with the response by XML files. You just need a response.xml file with your response and a request.xml file with your request.