def test_can_specify_amplitude(self): gen = SineWaveGenerator(2, 1) self.assertAlmostEquals(gen.generate(0.0), 0) self.assertAlmostEquals(gen.generate(0.25), 2) self.assertAlmostEquals(gen.generate(0.5), 0) self.assertAlmostEquals(gen.generate(0.75), -2) self.assertAlmostEquals(gen.generate(1.0), 0)
def test_can_specify_frequency(self): gen = SineWaveGenerator(1, 2) self.assertAlmostEquals(gen.generate(0.0), 0) self.assertAlmostEquals(gen.generate(0.125), 1) self.assertAlmostEquals(gen.generate(0.25), 0) self.assertAlmostEquals(gen.generate(0.375), -1) self.assertAlmostEquals(gen.generate(0.5), 0) self.assertAlmostEquals(gen.generate(0.625), 1) self.assertAlmostEquals(gen.generate(0.75), 0) self.assertAlmostEquals(gen.generate(0.875), -1) self.assertAlmostEquals(gen.generate(1.0), 0)