public static Stream GenerateStreamFromString(string s) { var stream = new MemoryStream(); var writer = new StreamWriter(stream); writer.Write(s); writer.Flush(); stream.Position = 0; return stream; } Don’t forget to use Using: using (var stream = GenerateStreamFromString(“a,b \n c,d”)) { // … Do stuff to stream } About the StreamWriter not being disposed. StreamWriter is just a wrapper … Read more
Use TestCase.assertRaises (or TestCase.failUnlessRaises) from the unittest module, for example: import mymod class MyTestCase(unittest.TestCase): def test1(self): self.assertRaises(SomeCoolException, mymod.myfunc)
Take a look at the Mockito API docs. As the linked document mentions (Point # 12) you can use any of the doThrow(),doAnswer(),doNothing(),doReturn() family of methods from Mockito framework to mock void methods. For example, Mockito.doThrow(new Exception()).when(instance).methodName(); or if you want to combine it with follow-up behavior, Mockito.doThrow(new Exception()).doNothing().when(instance).methodName(); Presuming that you are looking at … Read more
If you have somewhat of a legacy Java application, and you’re not allowed to change the visibility of your methods, the best way to test private methods is to use reflection. Internally we’re using helpers to get/set private and private static variables as well as invoke private and private static methods. The following patterns will … Read more