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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 | 2x 2x 2x 2x 2x 2x 2x 350x 350x 350x 350x 350x 15000x 15000x 15000x 15000x 15000x 15000x 15000x 15000x 26689x 26689x 5632x 2780x 2780x 2780x 2852x 2852x 2852x 5632x 5632x 21057x 5202x 5202x 5202x 5317x 5317x 5317x 5322x 5322x 5322x 5216x 5216x 5216x 21057x 15000x 7982x 7982x 7982x 7982x 7982x 7982x 4083x 7982x 7982x 4041x 4041x 2823x 7982x 7982x 8169x 8169x 8169x 8169x 8169x 8169x 4145x 8169x 8169x 4142x 4142x 2835x 8169x 5322x 5322x 5322x 5322x 5322x 5216x 5216x 5216x 5216x 5216x 5216x 3483x 5216x 5216x 5216x 5216x 5216x 5216x 13399x 13399x 13399x 13399x 26735x 26735x 8822x 8822x 8848x 8848x 9065x 9065x 13399x | import Delta from 'quill-delta'; import {randomU32} from 'hyperdyperid/lib/randomU32'; import {Fuzzer} from '@jsonjoy.com/util/lib/Fuzzer'; import {isEmpty} from '@jsonjoy.com/util/lib/isEmpty'; import type {QuillDeltaAttributes, QuillDeltaOp, QuillDeltaOpInsert, QuillDeltaOpRetain, QuillTrace} from '../types'; import {RandomJson} from '@jsonjoy.com/util/lib/json-random'; import {removeErasures} from '../util'; export interface QuillDeltaFuzzerOptions { maxOperationsPerPatch: number; } export class QuillDeltaFuzzer { public options: QuillDeltaFuzzerOptions; public delta: Delta = new Delta([]); public patch: QuillDeltaOp[] = []; public transactions: QuillDeltaOp[][] = []; constructor(options: Partial<QuillDeltaFuzzerOptions> = {}) { this.options = { maxOperationsPerPatch: 3, ...options, }; } public trace(): QuillTrace { return { contents: {ops: this.delta.ops as QuillDeltaOp[]}, transactions: this.transactions, }; } public applyPatch(): Delta { this.transactions.push(this.patch); this.delta = this.delta.compose(new Delta(this.patch)); return this.delta; } public createPatch(): QuillDeltaOp[] { this.patch = []; let pos = 0; const length = this.delta.length(); const opCount = randomU32(1, this.options.maxOperationsPerPatch); for (let i = 0; i < opCount; i++) { const remaining = length - pos; if (!remaining) { const op = Fuzzer.pick([ () => { const [offset, patch] = this.createInsertTextOp(this.delta, pos); this.patch.push(...patch); pos += offset; }, () => { const [offset, patch] = this.createInsertEmbedOp(this.delta, pos); this.patch.push(...patch); pos += offset; }, ]); op(); break; } const op = Fuzzer.pick([ () => { const [offset, patch] = this.createInsertTextOp(this.delta, pos); this.patch.push(...patch); pos += offset; }, () => { const [offset, patch] = this.createInsertEmbedOp(this.delta, pos); this.patch.push(...patch); pos += offset; }, () => { const [offset, patch] = this.createDeleteOp(length, pos); this.patch.push(...patch); pos += offset; }, () => { const [offset, patch] = this.createAnnotateOp(length, pos); this.patch.push(...patch); pos += offset; }, ]); op(); } return this.patch; } public createInsertOp(delta: Delta, pos: number): [offset: number, patch: QuillDeltaOp[]] { const [offset, patch] = this.createInsertTextOp(delta, pos); return [offset, patch]; } public createInsertTextOp(delta: Delta, pos: number): [offset: number, patch: QuillDeltaOp[]] { const length = delta.length(); const remaining = length - pos; const offset = !remaining ? 0 : randomU32(0, remaining); const text = RandomJson.genString(randomU32(1, 5)); const patch: QuillDeltaOp[] = []; if (offset > 0) { patch.push({retain: offset}); } const insertOp: QuillDeltaOpInsert = {insert: text}; if (randomU32(0, 1)) { const attributes = removeErasures(this.createAttributes()); if (attributes && !isEmpty(attributes)) { insertOp.attributes = attributes; } } patch.push(insertOp); return [offset, patch]; } public createInsertEmbedOp(delta: Delta, pos: number): [offset: number, patch: QuillDeltaOp[]] { const length = delta.length(); const remaining = length - pos; const offset = !remaining ? 0 : randomU32(0, remaining); const insert = {link: RandomJson.genString(randomU32(1, 5))}; const patch: QuillDeltaOp[] = []; if (offset > 0) { patch.push({retain: offset}); } const insertOp: QuillDeltaOpInsert = {insert}; if (randomU32(0, 1)) { const attributes = removeErasures(this.createAttributes()); if (attributes && !isEmpty(attributes)) { insertOp.attributes = attributes; } } return [offset, patch]; } public createDeleteOp(length: number, pos: number): [offset: number, patch: QuillDeltaOp[]] { const remaining = length - pos; Iif (remaining <= 0) return [pos, []]; const deleteLength = randomU32(1, remaining); const patch: QuillDeltaOp[] = [{delete: deleteLength}]; return [deleteLength, patch]; } public createAnnotateOp(length: number, pos: number): [offset: number, patch: QuillDeltaOp[]] { const remaining = length - pos; Iif (remaining <= 0) return [pos, []]; const offset = remaining < 2 ? 0 : randomU32(0, remaining - 1); const annotationLength = randomU32(1, remaining - offset); const patch: QuillDeltaOp[] = []; if (offset > 0) { patch.push({retain: offset}); } const retainOp: QuillDeltaOpRetain = {retain: annotationLength}; const attributes = this.createAttributes(); if (attributes && !isEmpty(attributes)) { retainOp.attributes = attributes; } patch.push(retainOp); return [offset + annotationLength, patch]; } public createAttributes(): QuillDeltaAttributes { const length = randomU32(1, 3); const attrKeys = ['bold', 'italic', 'color']; const attributes: QuillDeltaAttributes = {}; for (let i = 0; i < length; i++) { const attrKey = Fuzzer.pick(attrKeys); switch (attrKey) { case 'bold': { attributes.bold = Fuzzer.pick([true, null]); break; } case 'italic': { attributes.italic = Fuzzer.pick([true, null]); break; } case 'color': { attributes.color = Fuzzer.pick(['red', 'blue', null]); break; } } } return attributes; } } |