tests: playlist_import, log_archiver, sound_stats.SoxStats

aircox/tests/controllers/test_sound_stats.py

@@ -1,30 +1,75 @@
+import subprocess
+
 import pytest
 
-from aircox.controllers.sound_stats import SoxStats, SoundStats
+from aircox.test import Interface
+from aircox.controllers import sound_stats
+
+
+sox_output = """
+    DC offset   0.000000\n
+    Min level   0.000000\n
+    Max level   0.000000\n
+    Pk lev dB       -inf\n
+    RMS lev dB      -inf\n
+    RMS Pk dB       -inf\n
+    RMS Tr dB       -inf\n
+    Crest factor    1.00\n
+    Flat factor   179.37\n
+    Pk count       1.86G\n
+    Bit-depth       0/0\n
+    Num samples     930M\n
+    Length s   19383.312\n
+    Scale max   1.000000\n
+    Window s       0.050\n
+"""
+sox_values = {
+    "DC offset": 0.0,
+    "Min level": 0.0,
+    "Max level": 0.0,
+    "Pk lev dB": float("-inf"),
+    "RMS lev dB": float("-inf"),
+    "RMS Pk dB": float("-inf"),
+    "RMS Tr dB": float("-inf"),
+    "Flat factor": 179.37,
+    "length": 19383.312,
+}
 
 
 @pytest.fixture
-def sox_stats():
-    return SoxStats()
+def sox_interfaces():
+    process = Interface(
+        None, {"communicate": ("", sox_output.encode("utf-8"))}
+    )
+    subprocess = Interface.inject(
+        sound_stats, "subprocess", {"Popen": lambda *_, **__: process}
+    )
+    yield {"process": process, "subprocess": subprocess}
+    subprocess._irelease()
 
 
 @pytest.fixture
-def sound_stats():
-    return SoundStats()
+def sox_stats(sox_interfaces):
+    return sound_stats.SoxStats()
+
+
+@pytest.fixture
+def stats():
+    return sound_stats.SoundStats()
 
 
 class TestSoxStats:
-    def test___init__(self):
-        pass
+    def test_parse(self, sox_stats):
+        values = sox_stats.parse(sox_output)
+        assert values == sox_values
 
-    def test_get(self):
-        pass
-
-    def test_parse(self):
-        pass
-
-    def test_analyse(self):
-        pass
+    def test_analyse(self, sox_stats, sox_interfaces):
+        sox_stats.analyse("fake_path", 1, 2)
+        assert sox_interfaces["subprocess"]._trace("Popen") == (
+            (["sox", "fake_path", "-n", "trim", "1", "2", "stats"],),
+            {"stdout": subprocess.PIPE, "stderr": subprocess.PIPE},
+        )
+        assert sox_stats.values == sox_values
 
 
 class TestSoundStats: