Test

Drawer

wrapper should exist and have correct tagName

handleEvent should return 0.5 if clicked in the middle of wrapper

handleEvent should return 0.9 if clicked 10% from the end

handleEvent should return 0 if clicked on wrapper left position

handleEvent should return 0 if clicked on wrapper left position -1px

handleEvent should not return 0 if clicked on wrapper left position +1px

handleEvent should return 1 if clicked on wrapper right position

handleEvent should return 1 if clicked on wrapper right position +1px

handleEvent should not return 1 if clicked on wrapper right position -1px

Drawer/vertical:

wrapper should exist and have correct tagName

handleEvent should return 0.5 if clicked in the middle of wrapper

handleEvent should return 0.9 if clicked 10% from the end

handleEvent should return 0 if clicked on wrapper left position

handleEvent should return 0 if clicked on wrapper left position -1px

handleEvent should not return 0 if clicked on wrapper left position +1px

handleEvent should return 1 if clicked on wrapper right position

handleEvent should return 1 if clicked on wrapper right position +1px

handleEvent should not return 1 if clicked on wrapper right position -1px

WaveSurfer/MediaElementWebAudio:

WaveSurfer/MediaElementWebAudio/errors:

WaveSurfer/MediaElement:

WaveSurfer/MediaElement/errors:

PeakCache:

empty cache returns full range

different length clears cache

consecutive calls return no ranges

sliding window returns window sized range

disjoint set creates two ranges

filling in disjoint sets coalesces

filling in disjoint sets coalesces / edge cases

WaveSurfer/plugin API:

addPlugin adds staticProps and correctly builds and instantiates plugin class

initPlugin calls init function of the plugin and adds its name to the initialisedPluginList

destroyPlugin calls plugin destroy function and removes the plugin name from the initialisedPluginList

registerPlugin adds a plugin but does not call plugin init function if the plugin property deferInit is truethy

registerPlugin adds a plugin ands calls plugin init function if the plugin property deferInit is falsey

getActivePlugins returns map of plugin names that are currently initialised

util.fetchFile:

load ArrayBuffer response

load Blob response

load JSON response

load text response

load unknown response type

throws error when URL contains credentials

throws error when URL is missing

throws error when options are missing

fires error event when the file is not found

accepts custom request headers

util:

getId returns a random string with a default prefix

getId returns a random string with a custom prefix

min returns the smallest number in the provided array

min returns +Infinity for an empty array

max returns the largest number in the provided array

max returns -Infinity for an empty array

absMax returns largest absolute number in the provided array when largest is positive

absMax returns largest absolute number in the provided array when largest is negative

absMax returns -Infinity for an empty array

style applies a map of styles to an element

util.clamp:

clamp should return min if val is less than min

clamp should return val if val is more than min and less than max

clamp should return max if val is more than max

WaveSurfer/playback:

be ready

have version number

play

pause

play or pause

cancelAjax

loadBlob

get duration

get currentTime

set currentTime

should skip backward

skip forward

get playback rate

set playback rate

get volume

set volume

toggle mute

set mute

get mute

set zoom parameters

set unzoom parameters

allow getting waveColor

allow setting waveColor

allow setting waveColor gradient using array of fill colors

allow setting waveColor using CanvasGradient

allow getting progressColor

allow setting progressColor

split channels options

allow getting channel waveColor

allow setting channel waveColor

allow getting channel progressColor

allow setting channel progressColor

allow getting cursorColor

allow setting cursorColor

allow getting backgroundColor

allow setting backgroundColor

allow getting height

allow setting height

return Promise with PCM array data

return Promise with PCM array data in new window

return the list of current set filters as an array

export image data

destroy

seek event emission

when event emissions are not disabled

all event handlers should be called

when seek and interaction events are disabled

should not call event handlers for either "seek" or "interaction"

WaveSurfer/errors:

throw when container element is not found

throw when media container element is not found

throw for invalid maxCanvasWidth param

throw for invalid renderer

not throw when rendered and media is not loaded

throw when url parameter for load is empty

Doesn't call load() automatically so you can test loading behaviour here

load should accept HTMLMediaElement as the url