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How to test a dynamic search method that employs JPA Criteria API using JUnit 5?

 
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Hi Everyone! I'm trying to get 100% code coverage for a particular service class, but a dynamic search method that I successfully implemented is denying me from obtaining that. Please help. The method uses the criteria api to return search results from a MySQL database. Here is the method.



All lines are covered except for when it hits the 2nd to the last line. It throws a NullPointerException. Here is the unit test so far:


 
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