Checkbox 691/missing audio device (New)

providers/base/units/audio/jobs.pxu

@@ -699,12 +699,12 @@ imports: from com.canonical.plainbox import manifest
 requires:
  manifest.has_audio_playback == 'True'
 command:
- COUNT=$(alsa_pcm_info.py | grep -c Playback)
- echo "Count: $COUNT"
- if [ "$COUNT" -eq 0 ]; then
- exit 1
- fi
-estimated_duration: 1s
+  COUNT=$(audio_card_resource.py | grep -c 'playback: supported')
+  echo "Count: $COUNT"
+  if [ "$COUNT" -eq 0 ]; then
+  exit 1
+  fi
+estimated_duration: 0.5
 
 id: audio/detect-capture-devices
 _summary: Check that at least one audio capture device exists
@@ -715,12 +715,12 @@ imports: from com.canonical.plainbox import manifest
 requires:
  manifest.has_audio_capture == 'True'
 command:
- COUNT=$(alsa_pcm_info.py | grep -c Capture)
- echo "Count: $COUNT"
- if [ "$COUNT" -eq 0 ]; then
- exit 1
- fi
-esimated_duration: 1s
+  COUNT=$(audio_card_resource.py | grep -c 'capture: supported')
+  echo "Count: $COUNT"
+  if [ "$COUNT" -eq 0 ]; then
+  exit 1
+  fi
+esimated_duration: 0.5
 
 id: audio/alsa-playback
 _summary: Playback works
@@ -920,4 +920,4 @@ plugin: manual
 flags: also-after-suspend
 requires: snap.name == 'pulseaudio'
 category_id: com.canonical.plainbox::audio
-estimated_duration: 1m
+estimated_duration: 1m

providers/base/units/audio/test-plan.pxu

@@ -164,4 +164,4 @@ _description: Automated audio tests for Snappy Ubuntu Core devices
 include:
  after-suspend-audio/detect-playback-devices
  after-suspend-audio/detect-capture-devices
- after-suspend-audio/alsa-loopback-automated
+ after-suspend-audio/alsa-loopback-automated

providers/resource/bin/audio_card_resource.py

@@ -0,0 +1,82 @@
+#!/usr/bin/env python3
+#
+# This file is part of Checkbox.
+#
+# Copyright 2023 Canonical Ltd.
+# Authors: Dio He <dio.he@canonical.com>
+#
+# Checkbox is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 3,
+# as published by the Free Software Foundation.
+#
+# Checkbox is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Checkbox. If not, see <http://www.gnu.org/licenses/>.
+
+
+def get_audio_cards():
+ """Retrieve audio card information."""
+ audio_cards = []
+ PCM_FILE = '/proc/asound/pcm'
+ try:
+ with open(PCM_FILE, 'r') as f:
+ data = f.readlines()
+ except OSError:
+ print('Failed to access {}'.format(PCM_FILE))
+ return []
+
+ for line in data:
+ info = [device_line.strip() for device_line in line.split(':')]
+ ids = info[0].split('-')
+ card_id = ids[0]
+ device_id = ids[1]
+ device_name = info[1]
+ capabilities = info[3:]
+ playback = has_capability('playback', capabilities)
+ capture = has_capability('capture', capabilities)
+ audio_cards.append({
+ 'card': card_id,
+ 'device': device_id,
+ 'name': device_name,
+ 'playback': playback,
+ 'capture': capture
+ })
+
+ return audio_cards
+
+
+def has_capability(capability_prefix: str, capabilities: list) -> bool:
+ return any(capability.startswith(capability_prefix)
+ for capability in capabilities)
+
+
+def print_audio_cards(cards):
+ """Print audio card information."""
+ for card in cards:
+ print("card: {}".format(card["card"]))
+ print("device: {}".format(card["device"]))
+ print("name: {}".format(card["name"]))
+ if card["playback"]:
+ print("playback: supported")
+ else:
+ print("playback: unsupported")
+ if card["capture"]:
+ print("capture: supported")
+ else:
+ print("capture: unsupported")
+ print()
+
+
+def main():
+ cards = get_audio_cards()
+
+ if cards:
+ print_audio_cards(cards)
+
+
+if __name__ == "__main__":
+ main()

providers/resource/jobs/resource.pxu

@@ -468,3 +468,11 @@ command:
  else
  echo "detected: false"
  fi
+
+id: audio_card
+estimated_duration: 0.05
+plugin: resource
+_summary: Collect information about the audio card
+_description: Gets audio resource info from /proc/asound/pcm
+command: audio_card_resource.py
+

providers/resource/tests/test_audio_card_resource.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+#
+# This file is part of Checkbox.
+#
+# Copyright 2023 Canonical Ltd.
+# Authors: Dio He <dio.he@canonical.com>
+#
+# Checkbox is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 3,
+# as published by the Free Software Foundation.
+#
+# Checkbox is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Checkbox. If not, see <http://www.gnu.org/licenses/>.
+
+import unittest
+from io import StringIO
+from unittest.mock import Mock, patch, mock_open
+from audio_card_resource import get_audio_cards
+
+
+class GetAudioCardsTests(unittest.TestCase):
+ def test_get_audio_card_info(self):
+ with patch("os.path.exists") as mock_path:
+ mock_path.return_value = True
+ test_input = "00-00: HDA Analog (*) : : playback 1\n00-01: HDA Digital (*) : : capture 1s"
+ expected_audio_card1 = {'card': '00', 'device': '00', 'name': 'HDA Analog (*)', 'playback': True, 'capture': False}
+ expected_audio_card2 = {'card': '00', 'device': '01', 'name': 'HDA Digital (*)', 'playback': False, 'capture': True}
+ with patch("builtins.open", new=mock_open(read_data=test_input)):
+ audio_cards = get_audio_cards()
+ self.assertEqual(audio_cards[0], expected_audio_card1)
+ self.assertEqual(audio_cards[1], expected_audio_card2)
+