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test: add SmartSpeedInit focused unit test from na9

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Cherry-picked from bead/audiobookshelf-na9-playerui-init (8c645cdf).

Adds focused unit test that proves Smart Speed worklet initialization
works correctly. Tests LocalAudioPlayer.setSmartSpeed() directly and
verifies audioWorklet.addModule is called with SilenceDetectorProcessor.js.

Closes audiobookshelf-na9.
This commit is contained in:
Jonathan Baldie 2026-05-02 13:27:09 +01:00
parent 0147a6922f
commit 76a04065df
1 changed files with 96 additions and 0 deletions
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96
client/cypress/tests/players/SmartSpeedInit.cy.js Normal file
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import LocalAudioPlayer from '../../../players/LocalAudioPlayer'
describe('Smart Speed Initialization', () => {
it('calls audioWorklet.addModule when Smart Speed is enabled', () => {
const audioContext = {
destination: { label: 'destination' },
state: 'running',
currentTime: 0,
resume: cy.stub().resolves(),
suspend: cy.stub().resolves(),
close: cy.stub().resolves(),
createMediaElementSource: cy.stub().returns({
connect: cy.stub(),
disconnect: cy.stub()
}),
audioWorklet: {
addModule: cy.stub().resolves().as('audioWorkletAddModule')
}
}
cy.window().then((win) => {
// Create a mock audio element
const audioElement = win.document.createElement('audio')
audioElement.id = 'test-audio'
audioElement.src = '/__cypress/fixtures/test-audio.wav'
win.document.body.appendChild(audioElement)
// Mock AudioWorkletNode
win.AudioWorkletNode = function AudioWorkletNode() {
return {
connect: cy.stub(),
disconnect: cy.stub(),
port: {
onmessage: null,
postMessage: cy.stub()
}
}
}
// Create player instance
const player = new LocalAudioPlayer()
player.player = audioElement
player.audioContext = audioContext
player.usingWebAudio = true
player.audioSourceNode = audioContext.createMediaElementSource(audioElement)
player.smartSpeedRatio = 2.5
// Call setSmartSpeed with enabled=true
player.setSmartSpeed(true).then(() => {
// Verify audioWorklet.addModule was called with the correct path
cy.get('@audioWorkletAddModule').should('have.been.calledOnce')
cy.get('@audioWorkletAddModule').should(
'have.been.calledWith',
'/client/players/smart-speed/SilenceDetectorProcessor.js'
)
})
})
})
it('does not initialize worklet when Smart Speed is disabled', () => {
const audioContext = {
destination: { label: 'destination' },
state: 'running',
currentTime: 0,
resume: cy.stub().resolves(),
suspend: cy.stub().resolves(),
close: cy.stub().resolves(),
createMediaElementSource: cy.stub().returns({
connect: cy.stub(),
disconnect: cy.stub()
}),
audioWorklet: {
addModule: cy.stub().resolves().as('audioWorkletAddModule')
}
}
cy.window().then((win) => {
const audioElement = win.document.createElement('audio')
audioElement.id = 'test-audio'
audioElement.src = '/__cypress/fixtures/test-audio.wav'
win.document.body.appendChild(audioElement)
const player = new LocalAudioPlayer()
player.player = audioElement
player.audioContext = audioContext
player.usingWebAudio = true
player.audioSourceNode = audioContext.createMediaElementSource(audioElement)
// Call setSmartSpeed with enabled=false
player.setSmartSpeed(false).then(() => {
// Verify audioWorklet.addModule was NOT called
cy.get('@audioWorkletAddModule').should('not.have.been.called')
})
})
})
})