Memorynotfound Java Programming Tutorials
When JUnit encounters an assert failure it’ll immediately fail the test. Sometimes this is not desirable and you want to inspect all the assert statements before failing the test. The JUnit ErrorCollector rule was...
Testing code that throws exceptions is as important than testing only the happy path. It may be even more important. Luckily JUnit provides us with a basic toolkit to verify if an exception is...
The TemporaryFolder rule facilitates the creation and deletion of files and or folders. You can easily create a new file/folder using the TemporaryFolder#newFile() method. The file or folder is guaranteed to be deleted after...
A normal test captures the intended behavior in one particular scenario, given an input it expects a certain output. A theory captures some aspect of the intended behavior in possibly infinite numbers of potential...
The Parameterized test runner allows you to run a test many times with different sets of parameters. To run a test class with the Parameterized test runner, you must meet the following requirements. The...
Sometimes our test fails due to an external environment configuration or a date or time zone issue that we don’t have control over. We can defend our tests by using the org.junit.Assume class. This...
By design, JUnit does not specify the execution order of test method invocations. The JUnit runner depends on reflection to execute the tests. The JVM does not specify any particular order and could be...
Using Suite as a runner allows you to build a suite containing tests. To create a suite, annotate a class with @RunWith(Suite.class). To add test classes to that suite, annotate the same class and...
By default Gson serializes enums by name in lowercase. If this is not sufficient and you want some other stirng or an integer value, then have a look at the @SerializedName annotation. Gson can...
Gson Tree Model API provides support to read and parse a JSON String into a Tree Model. We can use the JsonParser to parse the JSON string into a Tree Model of type JsonElement....
