Amit :
I have a main class that accepts command line arguments and I am passing this parameter to another class. Now i have to test the myClass with parameters. I have JUnit to test it but I want to know how do pass this in the test
public class JsonFileTest {
public static void main(String[] fileNames) {
myClass class = new myClass(fileNames);
}
}
I am a beginner in JUnit and learning it so if any guidance would be highly appreciated. I need to pass filenames to a class method.
Progman :
You don't need to pass command line parameters to your JUnit execution. Instead your test methods should build/prepare everything and call your new myClass(...) constructor with the parameters your original program would do when using command line parameters. The code might look like this:
@Test
public void checkForWhatever() {
// prepare everything here like create a temp file
File x = ...;
String filename = x.getName(); // or maybe even x.getAbsolutePath();
String[] arguments = new String[1];
arguments[0] = filename;
// now call your constructor
myClass obj = new myClass(arguments);
// do any checks here now
Assertions.assertTrue(obj.getWhatever());
// ...
}
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