+class aubio_slicing_with_ends_test_case(TestCase):
+
+ def setUp(self):
+ self.source_file = get_default_test_sound(self)
+ self.output_dir = tempfile.mkdtemp(suffix = 'aubio_slicing_test_case')
+
+ def test_slice_start_and_ends_no_gap(self):
+ regions_start = [i*1000 for i in range(n_slices)]
+ regions_ends = [start - 1 for start in regions_start[1:]] + [1e120]
+ slice_source_at_stamps(self.source_file, regions_start, regions_ends,
+ output_dir = self.output_dir)
+ original_samples = count_samples_in_file(self.source_file)
+ written_samples = count_samples_in_directory(self.output_dir)
+ total_files = count_files_in_directory(self.output_dir)
+ assert_equal(n_slices, total_files,
+ "number of slices created different from expected")
+ assert_equal(written_samples, original_samples,
+ "number of samples written different from number of original samples")
+
+ def test_slice_start_and_ends_200_gap(self):
+ regions_start = [i*1000 for i in range(n_slices)]
+ regions_ends = [start + 199 for start in regions_start]
+ slice_source_at_stamps(self.source_file, regions_start, regions_ends,
+ output_dir = self.output_dir)
+ expected_samples = 200 * n_slices
+ written_samples = count_samples_in_directory(self.output_dir)
+ total_files = count_files_in_directory(self.output_dir)
+ assert_equal(n_slices, total_files,
+ "number of slices created different from expected")
+ assert_equal(written_samples, expected_samples,
+ "number of samples written different from number of original samples")
+
+ def test_slice_start_and_ends_overlaping(self):
+ regions_start = [i*1000 for i in range(n_slices)]
+ regions_ends = [start + 1199 for start in regions_start]
+ slice_source_at_stamps(self.source_file, regions_start, regions_ends,
+ output_dir = self.output_dir)
+ expected_samples = 1200 * n_slices
+ written_samples = count_samples_in_directory(self.output_dir)
+ total_files = count_files_in_directory(self.output_dir)
+ assert_equal(n_slices, total_files,
+ "number of slices created different from expected")
+ assert_equal(written_samples, expected_samples,
+ "number of samples written different from number of original samples")
+
+ def tearDown(self):
+ shutil.rmtree(self.output_dir)
+
+