extracted method load_pickled_asset

pysstv/tests/common.py

@@ -1,4 +1,9 @@
 from os import path
+import pickle
 
 def get_asset_filename(filename):
     return path.join(path.dirname(__file__), 'assets', filename)
+
+def load_pickled_asset(filename):
+    with open(get_asset_filename(filename + '.p'), 'rb') as f:
+        return pickle.load(f)

pysstv/tests/test_color.py

@@ -1,11 +1,10 @@
 import unittest
 from itertools import islice
-import pickle
 
 from PIL import Image
 
 from pysstv import color
-from pysstv.tests.common import get_asset_filename
+from pysstv.tests.common import get_asset_filename, load_pickled_asset
 
 
 class TestMartinM1(unittest.TestCase):
@@ -17,14 +16,12 @@ class TestMartinM1(unittest.TestCase):
         self.lena = color.MartinM1(lena, 48000, 16)
 
     def test_gen_freq_bits(self):
-        with open(get_asset_filename("MartinM1_freq_bits.p"), 'rb') as f:
-            expected = pickle.load(f)
+        expected = load_pickled_asset("MartinM1_freq_bits")
         actual = list(islice(self.s.gen_freq_bits(), 0, 1000))
         self.assertEqual(expected, actual)
 
     def test_gen_freq_bits_lena(self):
-        with open(get_asset_filename("MartinM1_freq_bits_lena.p"), 'rb') as f:
-            expected = pickle.load(f)
+        expected = load_pickled_asset("MartinM1_freq_bits_lena")
         actual = list(islice(self.lena.gen_freq_bits(), 0, 1000))
         self.assertEqual(expected, actual)
 
@@ -42,7 +39,6 @@ class TestMartinM1(unittest.TestCase):
         self.maxDiff = None
         line_numbers = [1, 10, 100]
         for line in line_numbers:
-            with open(get_asset_filename("MartinM1_encode_line_lena%d.p" % line), 'rb') as f:
-                expected = pickle.load(f)
+            expected = load_pickled_asset("MartinM1_encode_line_lena{0}".format(line))
             actual = list(self.lena.encode_line(line))
             self.assertEqual(expected, actual)

pysstv/tests/test_sstv.py

@@ -1,7 +1,6 @@
 import unittest
 from itertools import islice
 from six.moves import zip
-import pickle
 import mock
 from mock import MagicMock
 from six import BytesIO
@@ -10,7 +9,7 @@ import hashlib
 
 from pysstv import sstv
 from pysstv.sstv import SSTV
-from pysstv.tests.common import get_asset_filename
+from pysstv.tests.common import load_pickled_asset
 
 
 class TestSSTV(unittest.TestCase):
@@ -47,8 +46,7 @@ class TestSSTV(unittest.TestCase):
     # FIXME: Instead of using a test fixture, 'expected' should be synthesized?
     def test_gen_values(self):
         gen_values = self.s.gen_values()
-        with open(get_asset_filename("SSTV_gen_values.p"), 'rb') as f:
-            expected = pickle.load(f)
+        expected = load_pickled_asset("SSTV_gen_values")
         for e, g in zip(expected, gen_values):
             self.assertAlmostEqual(e, g, delta=0.000000001)
 
@@ -60,8 +58,7 @@ class TestSSTV(unittest.TestCase):
         # and having different results.
         # https://en.wikipedia.org/wiki/Quantization_%28signal_processing%29
         sstv.random = MagicMock(return_value=0.4)  # xkcd:221
-        with open(get_asset_filename("SSTV_gen_samples.p"), 'rb') as f:
-            expected = pickle.load(f)
+        expected = load_pickled_asset("SSTV_gen_samples")
         actual = list(islice(gen_values, 0, 1000))
         for e, a in zip(expected, actual):
             self.assertAlmostEqual(e, a, delta=1)