142 lines
3.1 KiB
JavaScript
142 lines
3.1 KiB
JavaScript
import EventEmitter from "events"
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import { createSpy } from "expect"
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export class Range {
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constructor(...args) {
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this._args = args
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}
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}
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const ACE_STUBS = [
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"setKeyboardHandler",
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"focus",
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"resize",
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"destroy",
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"setTheme",
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"setFontSize",
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"setHighlightActiveLine",
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"setReadOnly",
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"setShowPrintMargin",
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]
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const SESSION_STUBS = [
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"setMode",
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"setUseWrapMode",
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"setAnnotations"
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]
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export class Session extends EventEmitter {
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constructor() {
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super()
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this.$markerId = 0
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this._markers = []
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SESSION_STUBS.forEach(stub => {
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this[stub] = createSpy()
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})
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this.selection = new EventEmitter()
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this.selection.toJSON = createSpy().andReturn({fake: true})
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this.selection.fromJSON = createSpy().andReturn({fake: true})
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}
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addMarker = createSpy().andCall((marker) => {
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this._markers.push({...marker, id: this.$markerId++ })
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})
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getMarkers = createSpy().andCall(() => {
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return this._markers
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})
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removeMarker = createSpy().andCall((markerId) => {
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this._markers = this._markers.filter(a => a.id !== markerId)
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})
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}
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export default class Ace extends EventEmitter {
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constructor() {
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super()
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this.session = new Session()
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this.$options = {}
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this._undoStack = [""]
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this._undoPointer = 0 // It starts with nothing..
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ACE_STUBS.forEach(stub => {
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this[stub] = createSpy()
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})
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this.renderer = {
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setShowGutter: createSpy(),
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setScrollMargin: createSpy()
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}
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}
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edit = createSpy().andReturn(this)
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acequire = createSpy().andCall((module) => {
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if(module == "ace/range") {
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return { Range }
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}
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})
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getSession = createSpy().andCall(() => {
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return this.session
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})
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setOption = createSpy().andCall((option, val) => {
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this.$options[option] = val
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})
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setOptions = createSpy().andCall((options) => {
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this.$options = {...this.$options, ...options}
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})
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getOption = createSpy().andCall((optionName) => {
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return this.$options[optionName]
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})
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setValue = createSpy().andCall((val, addToUndo=true) => {
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if(addToUndo) {
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// Wipe out line of redos
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this._undoStack = this._undoStack.slice(0, this._undoPointer + 1)
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// Add new value
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this._undoStack.push(val)
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this._undoPointer++
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}
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this._value = val
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this.emit("change") // Remove
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this.emit("change") // Insert
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})
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getValue = createSpy().andCall(() => {
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return this._value || ""
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})
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// User API, which closer matches what we want to test ( ie: implementation can improve )
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userTypes = createSpy().andCall((val) => {
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this.setValue(this.getValue() + val)
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})
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userSees = createSpy().andCall(() => {
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return this.getValue()
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})
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userUndo = createSpy().andCall(() => {
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this._undoPointer = this._undoPointer > 0 ? this._undoPointer - 1 : 0
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this.setValue(this._undoStack[this._undoPointer], false)
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})
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userRedo = createSpy().andCall(() => {
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const max = this._undoStack.length - 1
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// const oriPointer = this._undoPointer
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this._undoPointer = this._undoPointer < max ? this._undoPointer + 1 : max
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this.setValue(this._undoStack[this._undoPointer], false)
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})
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}
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