Add test for hz2khz function

questrail · Aug 21, 2015 · a84588b · a84588b
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -3,6 +3,11 @@ This file contains all notable changes to the [siganalysis][] project.
 
 ## Unreleased
 
+## v0.3.3 - 2015-08-21
+
+### Added
+- Add test for hz2khz function.
+
 ## v0.3.2 - 2015-08-20
 
 ### Changed

diff --git a/siganalysis.py b/siganalysis.py
@@ -23,7 +23,7 @@
 import scipy
 import matplotlib.pyplot as plt
 
-__version__ = '0.3.2'
+__version__ = '0.3.3'
 
 
 def time_slice_zip(number_of_samples, samples_per_time_slice):

diff --git a/tests/test_siganalysis.py b/tests/test_siganalysis.py
@@ -165,3 +165,13 @@ def test_peak_hold_size_error(self):
             siganalysis.calculate_peak_hold,
             self.data_stft,
             self.freq_array_stft[:-1])
+
+
+class TestFrequencyConversion(unittest.TestCase):
+
+    def test_convert_hz_to_khz(self):
+        given_frequencies_hz = [1, 20, 300, 4000, 50000, 600000, 7000000]
+        expected_khz = [0.001, 0.02, 0.3, 4, 50, 600, 7000]
+        calculated_khz = [siganalysis.hz2khz(input_frequency_hz)
+                          for input_frequency_hz in given_frequencies_hz]
+        self.assertEqual(calculated_khz, expected_khz)