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Rename AudioFlinger to AudioManager framework
This commit is contained in:
Thomas Farstrike
@@ -1,225 +0,0 @@
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# Unit tests for AudioFlinger service
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import unittest
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import sys
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# Import centralized mocks
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from mpos.testing import (
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MockMachine,
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MockPWM,
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MockPin,
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MockThread,
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inject_mocks,
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)
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# Inject mocks before importing AudioFlinger
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inject_mocks({
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'machine': MockMachine(),
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'_thread': MockThread,
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})
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# Now import the module to test
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from mpos.audio.audioflinger import AudioFlinger
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class TestAudioFlinger(unittest.TestCase):
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"""Test cases for AudioFlinger service."""
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def setUp(self):
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"""Initialize AudioFlinger before each test."""
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self.buzzer = MockPWM(MockPin(46))
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self.i2s_pins = {'sck': 2, 'ws': 47, 'sd': 16}
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# Reset singleton instance for each test
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AudioFlinger._instance = None
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AudioFlinger(
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i2s_pins=self.i2s_pins,
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buzzer_instance=self.buzzer
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)
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# Reset volume to default after creating instance
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AudioFlinger.set_volume(70)
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def tearDown(self):
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"""Clean up after each test."""
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AudioFlinger.stop()
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def test_initialization(self):
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"""Test that AudioFlinger initializes correctly."""
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af = AudioFlinger.get()
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self.assertEqual(af._i2s_pins, self.i2s_pins)
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self.assertEqual(af._buzzer_instance, self.buzzer)
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def test_has_i2s(self):
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"""Test has_i2s() returns correct value."""
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# With I2S configured
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AudioFlinger._instance = None
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AudioFlinger(i2s_pins=self.i2s_pins, buzzer_instance=None)
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self.assertTrue(AudioFlinger.has_i2s())
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# Without I2S configured
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AudioFlinger._instance = None
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AudioFlinger(i2s_pins=None, buzzer_instance=self.buzzer)
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self.assertFalse(AudioFlinger.has_i2s())
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def test_has_buzzer(self):
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"""Test has_buzzer() returns correct value."""
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# With buzzer configured
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AudioFlinger._instance = None
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AudioFlinger(i2s_pins=None, buzzer_instance=self.buzzer)
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self.assertTrue(AudioFlinger.has_buzzer())
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# Without buzzer configured
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AudioFlinger._instance = None
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AudioFlinger(i2s_pins=self.i2s_pins, buzzer_instance=None)
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self.assertFalse(AudioFlinger.has_buzzer())
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def test_stream_types(self):
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"""Test stream type constants and priority order."""
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self.assertEqual(AudioFlinger.STREAM_MUSIC, 0)
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self.assertEqual(AudioFlinger.STREAM_NOTIFICATION, 1)
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self.assertEqual(AudioFlinger.STREAM_ALARM, 2)
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# Higher number = higher priority
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self.assertTrue(AudioFlinger.STREAM_MUSIC < AudioFlinger.STREAM_NOTIFICATION)
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self.assertTrue(AudioFlinger.STREAM_NOTIFICATION < AudioFlinger.STREAM_ALARM)
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def test_volume_control(self):
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"""Test volume get/set operations."""
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# Set volume
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AudioFlinger.set_volume(50)
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self.assertEqual(AudioFlinger.get_volume(), 50)
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# Test clamping to 0-100 range
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AudioFlinger.set_volume(150)
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self.assertEqual(AudioFlinger.get_volume(), 100)
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AudioFlinger.set_volume(-10)
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self.assertEqual(AudioFlinger.get_volume(), 0)
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def test_no_hardware_rejects_playback(self):
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"""Test that no hardware rejects all playback requests."""
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# Re-initialize with no hardware
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AudioFlinger._instance = None
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AudioFlinger(i2s_pins=None, buzzer_instance=None)
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# WAV should be rejected (no I2S)
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result = AudioFlinger.play_wav("test.wav")
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self.assertFalse(result)
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# RTTTL should be rejected (no buzzer)
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result = AudioFlinger.play_rtttl("Test:d=4,o=5,b=120:c")
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self.assertFalse(result)
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def test_i2s_only_rejects_rtttl(self):
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"""Test that I2S-only config rejects buzzer playback."""
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# Re-initialize with I2S only
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AudioFlinger._instance = None
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AudioFlinger(i2s_pins=self.i2s_pins, buzzer_instance=None)
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# RTTTL should be rejected (no buzzer)
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result = AudioFlinger.play_rtttl("Test:d=4,o=5,b=120:c")
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self.assertFalse(result)
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def test_buzzer_only_rejects_wav(self):
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"""Test that buzzer-only config rejects I2S playback."""
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# Re-initialize with buzzer only
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AudioFlinger._instance = None
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AudioFlinger(i2s_pins=None, buzzer_instance=self.buzzer)
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# WAV should be rejected (no I2S)
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result = AudioFlinger.play_wav("test.wav")
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self.assertFalse(result)
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def test_is_playing_initially_false(self):
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"""Test that is_playing() returns False initially."""
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# Reset to ensure clean state
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AudioFlinger._instance = None
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AudioFlinger(i2s_pins=self.i2s_pins, buzzer_instance=self.buzzer)
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self.assertFalse(AudioFlinger.is_playing())
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def test_stop_with_no_playback(self):
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"""Test that stop() can be called when nothing is playing."""
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# Should not raise exception
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AudioFlinger.stop()
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self.assertFalse(AudioFlinger.is_playing())
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def test_audio_focus_check_no_current_stream(self):
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"""Test audio focus allows playback when no stream is active."""
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af = AudioFlinger.get()
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result = af._check_audio_focus(AudioFlinger.STREAM_MUSIC)
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self.assertTrue(result)
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def test_volume_default_value(self):
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"""Test that default volume is reasonable."""
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# After init, volume should be at default (70)
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AudioFlinger(i2s_pins=None, buzzer_instance=None)
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self.assertEqual(AudioFlinger.get_volume(), 70)
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class TestAudioFlingerRecording(unittest.TestCase):
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"""Test cases for AudioFlinger recording functionality."""
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def setUp(self):
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"""Initialize AudioFlinger with microphone before each test."""
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self.buzzer = MockPWM(MockPin(46))
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# I2S pins with microphone input
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self.i2s_pins_with_mic = {'sck': 2, 'ws': 47, 'sd': 16, 'sd_in': 15}
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# I2S pins without microphone input
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self.i2s_pins_no_mic = {'sck': 2, 'ws': 47, 'sd': 16}
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# Reset singleton instance for each test
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AudioFlinger._instance = None
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AudioFlinger(
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i2s_pins=self.i2s_pins_with_mic,
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buzzer_instance=self.buzzer
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)
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# Reset volume to default after creating instance
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AudioFlinger.set_volume(70)
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def tearDown(self):
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"""Clean up after each test."""
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AudioFlinger.stop()
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def test_has_microphone_with_sd_in(self):
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"""Test has_microphone() returns True when sd_in pin is configured."""
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AudioFlinger._instance = None
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AudioFlinger(i2s_pins=self.i2s_pins_with_mic, buzzer_instance=None)
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self.assertTrue(AudioFlinger.has_microphone())
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def test_has_microphone_without_sd_in(self):
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"""Test has_microphone() returns False when sd_in pin is not configured."""
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AudioFlinger._instance = None
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AudioFlinger(i2s_pins=self.i2s_pins_no_mic, buzzer_instance=None)
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self.assertFalse(AudioFlinger.has_microphone())
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def test_has_microphone_no_i2s(self):
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"""Test has_microphone() returns False when no I2S is configured."""
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AudioFlinger._instance = None
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AudioFlinger(i2s_pins=None, buzzer_instance=self.buzzer)
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self.assertFalse(AudioFlinger.has_microphone())
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def test_is_recording_initially_false(self):
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"""Test that is_recording() returns False initially."""
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self.assertFalse(AudioFlinger.is_recording())
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def test_record_wav_no_microphone(self):
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"""Test that record_wav() fails when no microphone is configured."""
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AudioFlinger._instance = None
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AudioFlinger(i2s_pins=self.i2s_pins_no_mic, buzzer_instance=None)
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result = AudioFlinger.record_wav("test.wav")
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self.assertFalse(result, "record_wav() fails when no microphone is configured")
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def test_record_wav_no_i2s(self):
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AudioFlinger._instance = None
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AudioFlinger(i2s_pins=None, buzzer_instance=self.buzzer)
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result = AudioFlinger.record_wav("test.wav")
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self.assertFalse(result, "record_wav() should fail when no I2S is configured")
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def test_stop_with_no_recording(self):
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"""Test that stop() can be called when nothing is recording."""
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# Should not raise exception
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AudioFlinger.stop()
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self.assertFalse(AudioFlinger.is_recording())
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