Wrote test for repr method

test/waveform_generator_tests.py

@@ -32,6 +32,21 @@ class TestWaveformGeneratorInstantiationWithoutOptionalParameters(unittest.TestC
         del self.waveform_generator
         del self.simulation_parameters
 
+    def test_repr(self):
+        expected = 'WaveformGenerator(duration={}, sampling_frequency={}, start_time={}, ' \
+                   'frequency_domain_source_model={}, time_domain_source_model={}, parameters={}, ' \
+                   'parameter_conversion={}, non_standard_sampling_parameter_keys={}, waveform_arguments={})'\
+            .format(self.waveform_generator.duration,
+                    self.waveform_generator.sampling_frequency,
+                    self.waveform_generator.start_time,
+                    self.waveform_generator.frequency_domain_source_model.__name__,
+                    self.waveform_generator.time_domain_source_model,
+                    self.waveform_generator.parameters,
+                    None,
+                    self.waveform_generator.non_standard_sampling_parameter_keys,
+                    self.waveform_generator.waveform_arguments)
+        self.assertEqual(expected, repr(self.waveform_generator))
+
     def test_duration(self):
         self.assertEqual(self.waveform_generator.duration, 1)