write tests for SoundStat

aircox/tests/controllers/test_sound_stats.py

@@ -55,7 +55,20 @@ def sox_stats(sox_interfaces):
 
 @pytest.fixture
 def stats():
-    return sound_stats.SoundStats()
+    return sound_stats.SoundStats("/tmp/audio.wav", sample_length=10)
+
+
+@pytest.fixture
+def stats_interfaces(stats):
+    def iw(path, **kw):
+        kw["path"] = path
+        kw.setdefault("length", stats.sample_length * 2)
+        return kw
+
+    SxS = sound_stats.SoxStats
+    sound_stats.SoxStats = iw
+    yield iw
+    sound_stats.SoxStats = SxS
 
 
 class TestSoxStats:
@@ -73,20 +86,38 @@ class TestSoxStats:
 
 
 class TestSoundStats:
-    def test___init__(self):
-        pass
+    def test_get_file_stats(self, stats):
+        file_stats = {"a": 134}
+        stats.stats = [file_stats]
+        assert stats.get_file_stats() is file_stats
 
-    def test_get_file_stats(self):
-        pass
+    def test_get_file_stats_none(self, stats):
+        stats.stats = []
+        assert stats.get_file_stats() is None
 
-    def test_analyze(self):
-        pass
+    def test_analyse(self, stats, stats_interfaces):
+        stats.analyse()
+        assert stats.stats == [
+            {"path": stats.path, "length": stats.sample_length * 2},
+            {"path": stats.path, "at": 0, "length": stats.sample_length},
+            {"path": stats.path, "at": 10, "length": stats.sample_length},
+        ]
 
-    def test_analyze_no_sample_length(self):
-        pass
+    def test_analyse_no_sample_length(self, stats, stats_interfaces):
+        stats.sample_length = 0
+        stats.analyse()
+        assert stats.stats == [{"length": 0, "path": stats.path}]
 
-    def test_check(self):
-        pass
+    def test_check(self, stats):
+        good = [{"val": i} for i in range(0, 11)]
+        bad = [{"val": i} for i in range(-10, 0)] + [
+            {"val": i} for i in range(11, 20)
+        ]
+        stats.stats = good + bad
+        calls = {}
+        stats.resume = lambda *_: calls.setdefault("resume", True)
+        stats.check("val", 0, 10)
 
-    def test_resume(self):
-        pass
+        assert calls == {"resume": True}
+        assert all(i < len(good) for i in stats.good)
+        assert all(i >= len(good) for i in stats.bad)