Files
ArtPlayer/test/auto-thumbnail-metadata.test.js
T

103 lines
3.6 KiB
JavaScript

import assert from 'node:assert/strict'
// eslint-disable-next-line test/no-import-node-test -- Verify metadata wait ownership and cancellation.
import test from 'node:test'
import { autoThumbnailCandidate, autoThumbnailEnvironment } from './helpers/auto-thumbnail.js'
const implementation = await autoThumbnailCandidate()
async function setup() {
const env = autoThumbnailEnvironment(implementation)
const result = await env.factory({ width: 80, number: 1 })(env.art)
assert.equal(result.name, 'artplayerPluginAutoThumbnail')
env.art.emit('video:loadedmetadata')
return env
}
function released(env, video = env.videos[0]) {
assert.equal(env.attached.has(video), false)
assert.equal(video.src, undefined)
assert.equal(video.onloadedmetadata, null)
assert.equal(video.onerror, null)
}
test('Auto-thumbnail metadata timeout releases a stalled decoder and ignores late metadata', async () => {
const env = await setup()
const metadata = env.videos[0].onloadedmetadata
const deadline = [...env.timers.values()][0]
assert(deadline, 'Metadata loading must have an owned deadline')
assert.equal(deadline.delay, 30000)
deadline.callback()
released(env)
assert.equal(env.timers.size, 0)
assert.equal(env.warnings.length, 1)
assert.match(env.warnings[0][1].message, /metadata timed out/)
metadata()
deadline.callback()
assert.equal(env.canvases.length, 0)
assert.equal(env.updates.length, 0)
assert.equal(env.warnings.length, 1)
env.art.emit('destroy')
})
for (const scenario of ['destroy', 'restart', 'error', 'metadata']) {
test(`Auto-thumbnail metadata deadline becomes inert after ${scenario}`, async () => {
const env = await setup()
const deadline = [...env.timers.values()][0]
assert(deadline, 'Metadata loading must have an owned deadline')
if (scenario === 'metadata') {
env.metadata()
const frameDeadline = [...env.timers.values()][0]
assert.notEqual(frameDeadline, deadline)
deadline.callback()
assert.equal(env.timers.size, 1, 'A queued metadata timeout cannot cancel the new frame wait')
env.seeked()
env.finish()
assert.equal(env.updates.length, 1)
}
else if (scenario === 'error') {
env.videos[0].error = new Error('Media failed')
env.videos[0].onerror()
}
else {
env.art.emit(scenario)
}
deadline.callback()
released(env)
assert.equal(env.timers.size, 0)
assert.equal(env.warnings.length, scenario === 'error' ? 1 : 0)
env.art.emit('destroy')
})
}
test('Auto-thumbnail stalled replacement retains the previous usable sheet', async () => {
const env = await setup()
env.metadata()
env.seeked()
env.finish()
const sheet = env.art.thumbnails
env.art.emit('restart')
env.art.emit('video:loadedmetadata')
const deadline = [...env.timers.values()][0]
assert(deadline, 'Replacement metadata loading must have a deadline')
deadline.callback()
released(env, env.videos[1])
assert.equal(env.art.thumbnails, sheet)
assert.equal(env.urls.has(sheet.url), true)
assert.equal(env.updates.length, 1)
env.art.emit('destroy')
assert.equal(env.urls.size, 0)
})
test('Auto-thumbnail metadata timer registration cannot start loading after destruction', async () => {
const env = autoThumbnailEnvironment(implementation)
await env.factory({ width: 80, number: 1 })(env.art)
const schedule = env.box.setTimeout
env.box.setTimeout = (...args) => {
env.art.emit('destroy')
return schedule(...args)
}
env.art.emit('video:loadedmetadata')
released(env)
assert.equal(env.timers.size, 0)
assert.equal(env.canvases.length, 0)
})