changeset 86:2b38e5824e13

Add tests for AudioRegion creation

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test_core.py	Thu Jan 03 23:25:17 2019 +0100
@@ -0,0 +1,178 @@
+import unittest
+from genty import genty, genty_dataset
+from auditok import AudioRegion
+
+
+@genty
+class TestAudioRegion(unittest.TestCase):
+    @genty_dataset(
+        simple=(b"\0" * 8000, 0, 8000, 1, 1, 1, 1, 1000),
+        one_ms_less_than_1_sec=(
+            b"\0" * 7992,
+            0,
+            8000,
+            1,
+            1,
+            0.999,
+            0.999,
+            999,
+        ),
+        tree_quarter_ms_less_than_1_sec=(
+            b"\0" * 7994,
+            0,
+            8000,
+            1,
+            1,
+            0.99925,
+            0.99925,
+            999,
+        ),
+        half_ms_less_than_1_sec=(
+            b"\0" * 7996,
+            0,
+            8000,
+            1,
+            1,
+            0.9995,
+            0.9995,
+            1000,
+        ),
+        quarter_ms_less_than_1_sec=(
+            b"\0" * 7998,
+            0,
+            8000,
+            1,
+            1,
+            0.99975,
+            0.99975,
+            1000,
+        ),
+        simple_sample_width_2=(b"\0" * 8000 * 2, 0, 8000, 2, 1, 1, 1, 1000),
+        simple_stereo=(b"\0" * 8000 * 2, 0, 8000, 1, 2, 1, 1, 1000),
+        simple_multichannel=(b"\0" * 8000 * 5, 0, 8000, 1, 5, 1, 1, 1000),
+        simple_sample_width_2_multichannel=(
+            b"\0" * 8000 * 2 * 5,
+            0,
+            8000,
+            2,
+            5,
+            1,
+            1,
+            1000,
+        ),
+        one_ms_less_than_1s_sw_2_multichannel=(
+            b"\0" * 7992 * 2 * 5,
+            0,
+            8000,
+            2,
+            5,
+            0.999,
+            0.999,
+            999,
+        ),
+        tree_qrt_ms_lt_1_s_sw_2_multichannel=(
+            b"\0" * 7994 * 2 * 5,
+            0,
+            8000,
+            2,
+            5,
+            0.99925,
+            0.99925,
+            999,
+        ),
+        half_ms_lt_1s_sw_2_multichannel=(
+            b"\0" * 7996 * 2 * 5,
+            0,
+            8000,
+            2,
+            5,
+            0.9995,
+            0.9995,
+            1000,
+        ),
+        quarter_ms_lt_1s_sw_2_multichannel=(
+            b"\0" * 7998 * 2 * 5,
+            0,
+            8000,
+            2,
+            5,
+            0.99975,
+            0.99975,
+            1000,
+        ),
+        arbitrary_length_1=(
+            b"\0" * int(8000 * 1.33),
+            2.7,
+            8000,
+            1,
+            1,
+            4.03,
+            1.33,
+            1330,
+        ),
+        arbitrary_length_2=(
+            b"\0" * int(8000 * 0.476),
+            11.568,
+            8000,
+            1,
+            1,
+            12.044,
+            0.476,
+            476,
+        ),
+        arbitrary_length_sw_2_multichannel=(
+            b"\0" * int(8000 * 1.711) * 2 * 3,
+            9.415,
+            8000,
+            2,
+            3,
+            11.126,
+            1.711,
+            1711,
+        ),
+        arbitrary_samplig_rate=(
+            b"\0" * int(3172 * 1.318),
+            17.236,
+            3172,
+            1,
+            1,
+            17.236 + int(3172 * 1.318) / 3172,
+            int(3172 * 1.318) / 3172,
+            1318,
+        ),
+        arbitrary_sr_sw_2_multichannel=(
+            b"\0" * int(11317 * 0.716) * 2 * 3,
+            18.811,
+            11317,
+            2,
+            3,
+            18.811 + int(11317 * 0.716) / 11317,
+            int(11317 * 0.716) / 11317,
+            716,
+        ),
+    )
+    def test_creation(
+        self,
+        data,
+        start,
+        sampling_rate,
+        sample_width,
+        channels,
+        expected_end,
+        expected_duration_s,
+        expected_duration_ms,
+    ):
+        region = AudioRegion(
+            data, start, sampling_rate, sample_width, channels
+        )
+        self.assertEqual(region.sampling_rate, sampling_rate)
+        self.assertEqual(region.sr, sampling_rate)
+        self.assertEqual(region.sample_width, sample_width)
+        self.assertEqual(region.sw, sample_width)
+        self.assertEqual(region.channels, channels)
+        self.assertEqual(region.ch, channels)
+        self.assertEqual(region.start, start)
+        self.assertEqual(region.end, expected_end)
+        self.assertEqual(region.duration, expected_duration_s)
+        self.assertEqual(len(region), expected_duration_ms)
+        self.assertEqual(bytes(region), data)