Files
MeshCore/test/test_notification_preview.py
T

158 lines
7.3 KiB
Python

#!/usr/bin/env python3
"""Optional browser checks for notification audio. Requires Playwright and its browser.
Use MESHCORE_PREVIEW_BROWSER=webkit to also check the Safari engine, or set
MESHCORE_NOTIFICATION_PREVIEW_URL to check the deployed editor.
"""
import os
from pathlib import Path
import unittest
try:
from playwright.sync_api import sync_playwright
except ImportError:
sync_playwright = None
ROOT = Path(__file__).resolve().parents[1]
TAP_AUDIO = """() => {
const audio = document.querySelector('[data-role="preview-audio"]');
window.previewAudioStats = { plays: 0, rms: 0 };
// Attach before playback: late MediaElementSource wiring is silent in WebKit.
const context = new AudioContext(), analyser = context.createAnalyser();
context.createMediaElementSource(audio).connect(analyser);
analyser.connect(context.destination);
const samples = new Float32Array(analyser.fftSize);
setInterval(() => {
analyser.getFloatTimeDomainData(samples);
const rms = Math.sqrt(samples.reduce((sum, v) => sum + v * v, 0) / samples.length);
previewAudioStats.rms = Math.max(previewAudioStats.rms, rms);
}, 10);
audio.addEventListener('playing', () => {
previewAudioStats.plays++;
context.resume();
});
}"""
@unittest.skipUnless(sync_playwright, "Install Playwright to run browser audio checks")
class NotificationAudioTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.playwright = sync_playwright().start()
engine = getattr(cls.playwright, os.environ.get("MESHCORE_PREVIEW_BROWSER", "chromium"))
try:
cls.browser = engine.launch(headless=True)
except Exception:
cls.playwright.stop()
raise
@classmethod
def tearDownClass(cls):
cls.browser.close()
cls.playwright.stop()
def setUp(self):
self.page = self.browser.new_page()
self.errors = []
self.page.on("pageerror", lambda error: self.errors.append(str(error)))
url = os.environ.get("MESHCORE_NOTIFICATION_PREVIEW_URL")
if url:
self.page.goto(url, wait_until="networkidle")
else:
source = (ROOT / "docs/notifications.md").read_text(encoding="utf-8")
editor = '<div class="notification-builder"' + source.split('<div class="notification-builder"', 1)[1].split("\n</div>", 1)[0] + "\n</div>"
self.page.set_content(editor)
self.page.add_script_tag(path=str(ROOT / "docs/_javascript/notification_builder.js"))
self.page.evaluate(TAP_AUDIO)
def tearDown(self):
self.page.close()
self.assertEqual(self.errors, [])
def click(self, action):
self.page.locator('[data-action="' + action + '"]').click()
def audible(self):
# Inspect decoded audio at the speaker output, not just a successful play() call.
self.page.wait_for_function("previewAudioStats.rms > 0.05")
def test_examples_play_audible_melodies_once_without_a_recipient(self):
for index, example in enumerate(("food", "find", "vip"), 1):
self.page.locator('[data-example="' + example + '"]').click()
self.page.evaluate("previewAudioStats.rms = 0")
self.click("preview")
self.audible()
self.assertEqual(self.page.locator('[data-role="error"]').inner_text(), "")
self.page.wait_for_function("document.querySelector('[data-role=preview-sound]').textContent === 'Cycle finished'")
self.assertEqual(self.page.evaluate("previewAudioStats.plays"), index)
self.assertTrue(self.page.evaluate("document.querySelector('audio').paused && !document.querySelector('audio').hasAttribute('src')"))
def test_timer_waits_for_audio_and_stop_cancels_pending_start(self):
self.page.evaluate("""() => {
const original = HTMLMediaElement.prototype.play;
const originalLoad = HTMLMediaElement.prototype.load;
let cancelStart;
HTMLMediaElement.prototype.play = function() {
return new Promise((resolve, reject) => {
const timer = setTimeout(() => {
cancelStart = null;
original.call(this).then(resolve, reject);
}, 1200);
cancelStart = () => {
clearTimeout(timer); cancelStart = null;
reject(new DOMException('Playback stopped', 'AbortError'));
};
});
};
// Native pending play() promises reject when load() cancels the source.
HTMLMediaElement.prototype.load = function() {
if (cancelStart) cancelStart();
return originalLoad.call(this);
};
}""")
self.click("preview")
self.page.wait_for_timeout(1000) # Longer than the default 910 ms visual cycle.
self.assertEqual(self.page.locator('[data-role="preview-time"]').inner_text(), "0 / 910 ms")
self.assertEqual(self.page.evaluate("previewAudioStats.plays"), 0)
self.assertTrue(self.page.locator('[data-action="preview"]').is_disabled())
self.assertTrue(self.page.locator('[data-action="preview-stop"]').is_enabled())
self.audible()
self.page.wait_for_function("document.querySelector('[data-role=preview-sound]').textContent === 'Cycle finished'")
self.click("preview")
self.click("preview-stop")
self.page.wait_for_timeout(1500)
self.assertEqual(self.page.evaluate("previewAudioStats.plays"), 1)
self.assertEqual(self.page.locator('[data-role="error"]').inner_text(), "")
self.assertEqual(self.page.locator('[data-role="preview-sound"]').inner_text(), "Stopped")
self.assertTrue(self.page.locator('[data-action="preview"]').is_enabled())
def test_off_inherit_stop_and_playback_errors(self):
for value in ("off", "inherit"):
self.page.locator('input[name="sound"]').fill(value)
self.click("preview")
self.page.wait_for_timeout(80)
self.assertEqual(self.page.evaluate("previewAudioStats.plays"), 0)
self.assertIn("ms", self.page.locator('[data-role="preview-time"]').inner_text())
self.click("preview-stop")
self.page.locator('[data-example="food"]').click()
self.page.evaluate("""() => {
window.originalPlay = HTMLMediaElement.prototype.play;
HTMLMediaElement.prototype.play = () => Promise.reject(new DOMException('Playback blocked', 'NotAllowedError'));
}""")
self.click("preview")
self.assertIn("Playback blocked", self.page.locator('[data-role="error"]').inner_text())
self.assertEqual(self.page.locator('[data-role="preview-sound"]').inner_text(), "Sound unavailable")
self.page.evaluate("() => { HTMLMediaElement.prototype.play = originalPlay; }")
self.click("preview")
self.audible()
self.click("preview-stop")
self.assertTrue(self.page.evaluate("document.querySelector('audio').paused && !document.querySelector('audio').hasAttribute('src')"))
self.assertEqual(self.page.locator('[data-role="error"]').inner_text(), "")
self.assertEqual(self.page.locator('[data-indicator="screen"]').get_attribute("data-on"), "false")
if __name__ == "__main__":
unittest.main()