| 1 | 1 | var inBrowser = typeof exports === 'undefined'; |
| 2 | 1 | var parseAndModify = (inBrowser ? window.falafel : require("/Users/alexsouthern/Dropbox/blanket/src/./lib/falafel").falafel); |
| 3 | | |
| 4 | 1 | (inBrowser ? window : exports).blanket = (function(){ |
| 5 | 1 | var linesToAddTracking = [ |
| 6 | | "ExpressionStatement", |
| 7 | | "BreakStatement" , |
| 8 | | "ContinueStatement" , |
| 9 | | "VariableDeclaration", |
| 10 | | "ReturnStatement" , |
| 11 | | "ThrowStatement" , |
| 12 | | "TryStatement" , |
| 13 | | "FunctionDeclaration" , |
| 14 | | "IfStatement" , |
| 15 | | "WhileStatement" , |
| 16 | | "DoWhileStatement" , |
| 17 | | "ForStatement" , |
| 18 | | "ForInStatement" , |
| 19 | | "SwitchStatement" , |
| 20 | | "WithStatement" |
| 21 | | ], |
| 22 | | linesToAddBrackets = [ |
| 23 | | "IfStatement" , |
| 24 | | "WhileStatement" , |
| 25 | | "DoWhileStatement" , |
| 26 | | "ForStatement" , |
| 27 | | "ForInStatement" , |
| 28 | | "WithStatement" |
| 29 | | ], |
| 30 | | covVar = (inBrowser ? "window._$blanket" : "_$jscoverage" ), |
| 31 | | __blanket, |
| 32 | | copynumber = Math.floor(Math.random()*1000), |
| 33 | | coverageInfo = {},options = { |
| 34 | | reporter: null, |
| 35 | | adapter:null, |
| 36 | | filter: null, |
| 37 | | orderedLoading: true, |
| 38 | | loader: null, |
| 39 | | ignoreScriptError: false, |
| 40 | | existingRequireJS:false, |
| 41 | | autoStart: false, |
| 42 | | timeout: 180, |
| 43 | | branchTracking: false, |
| 44 | | ignoreCors: false |
| 45 | | }; |
| 46 | | |
| 47 | 1 | if (inBrowser && typeof window.blanket !== 'undefined'){ |
| 48 | 0 | __blanket = window.blanket.noConflict(); |
| 49 | | } |
| 50 | | |
| 51 | 1 | _blanket = { |
| 52 | | noConflict: function(){ |
| 53 | 0 | if (__blanket){ |
| 54 | 0 | return __blanket; |
| 55 | | } |
| 56 | 0 | return _blanket; |
| 57 | | }, |
| 58 | | _getCopyNumber: function(){ |
| 59 | | //internal method |
| 60 | | //for differentiating between instances |
| 61 | 0 | return copynumber; |
| 62 | | }, |
| 63 | | extend: function(obj) { |
| 64 | | //borrowed from underscore |
| 65 | 0 | _blanket._extend(_blanket,obj); |
| 66 | | }, |
| 67 | | _extend: function(dest,source){ |
| 68 | 0 | if (source) { |
| 69 | 0 | for (var prop in source) { |
| 70 | 0 | if ( dest[prop] instanceof Object && typeof dest[prop] !== "function"){ |
| 71 | 0 | _blanket._extend(dest[prop],source[prop]); |
| 72 | | }else{ |
| 73 | 0 | dest[prop] = source[prop]; |
| 74 | | } |
| 75 | | } |
| 76 | | } |
| 77 | | }, |
| 78 | | options: function(key,value){ |
| 79 | 101 | if (typeof key !== "string"){ |
| 80 | 0 | _blanket._extend(options,key); |
| 81 | 101 | }else if (typeof value === 'undefined'){ |
| 82 | 100 | return options[key]; |
| 83 | | }else{ |
| 84 | 1 | options[key]=value; |
| 85 | | } |
| 86 | | }, |
| 87 | | instrument: function(config, next){ |
| 88 | 3 | var inFile = config.inputFile, |
| 89 | | inFileName = config.inputFileName; |
| 90 | 3 | var sourceArray = _blanket._prepareSource(inFile); |
| 91 | 3 | _blanket._trackingArraySetup=[]; |
| 92 | 3 | var instrumented = parseAndModify(inFile,{loc:true,comment:true}, _blanket._addTracking,inFileName); |
| 93 | 3 | instrumented = _blanket._trackingSetup(inFileName,sourceArray)+instrumented; |
| 94 | 3 | next(instrumented); |
| 95 | | }, |
| 96 | | _trackingArraySetup: [], |
| 97 | | _branchingArraySetup: [], |
| 98 | | _prepareSource: function(source){ |
| 99 | 4 | return source.replace(/\\/g,"\\\\").replace(/'/g,"\\'").replace(/(\r\n|\n|\r)/gm,"\n").split('\n'); |
| 100 | | }, |
| 101 | | _trackingSetup: function(filename,sourceArray){ |
| 102 | 4 | var branches = _blanket.options("branchTracking"); |
| 103 | 4 | var sourceString = sourceArray.join("',\n'"); |
| 104 | 4 | var intro = ""; |
| 105 | | |
| 106 | 4 | intro += "if (typeof "+covVar+" === 'undefined') "+covVar+" = {};\n"; |
| 107 | 4 | if (branches){ |
| 108 | 0 | intro += "var _$branchFcn=function(f,l,c,r){ "; |
| 109 | 0 | intro += covVar+"[f].branchData[l][c].push(r);"; |
| 110 | 0 | intro += "return r;};\n"; |
| 111 | | } |
| 112 | 4 | intro += "if (typeof "+covVar+"['"+filename+"'] === 'undefined'){"; |
| 113 | | |
| 114 | 4 | intro += covVar+"['"+filename+"']=[];\n"; |
| 115 | 4 | if (branches){ |
| 116 | 0 | intro += covVar+"['"+filename+"'].branchData=[];\n"; |
| 117 | | } |
| 118 | 4 | intro += covVar+"['"+filename+"'].source=['"+sourceString+"'];\n"; |
| 119 | | //initialize array values |
| 120 | 4 | _blanket._trackingArraySetup.sort(function(a,b){ |
| 121 | 19 | return parseInt(a,10) > parseInt(b,10); |
| 122 | | }).forEach(function(item){ |
| 123 | 16 | intro += covVar+"['"+filename+"']["+item+"]=0;\n"; |
| 124 | | }); |
| 125 | 4 | if (branches){ |
| 126 | 0 | _blanket._branchingArraySetup.sort(function(a,b){ |
| 127 | 0 | return a.line > b.line; |
| 128 | | }).sort(function(a,b){ |
| 129 | 0 | return a.column > b.column; |
| 130 | | }).forEach(function(item){ |
| 131 | 0 | if (item.file === filename){ |
| 132 | 0 | intro += "if (typeof "+ covVar+"['"+filename+"'].branchData["+item.line+"] === 'undefined'){\n"; |
| 133 | 0 | intro += covVar+"['"+filename+"'].branchData["+item.line+"]=[];\n"; |
| 134 | 0 | intro += "}"; |
| 135 | 0 | intro += covVar+"['"+filename+"'].branchData["+item.line+"]["+item.column+"] = [];\n"; |
| 136 | | } |
| 137 | | }); |
| 138 | | } |
| 139 | 4 | intro += "}"; |
| 140 | | |
| 141 | 4 | return intro; |
| 142 | | }, |
| 143 | | _blockifyIf: function(node){ |
| 144 | | |
| 145 | 121 | if (linesToAddBrackets.indexOf(node.type) > -1){ |
| 146 | 9 | var bracketsExistObject = node.consequent || node.body; |
| 147 | 9 | var bracketsExistAlt = node.alternate; |
| 148 | 9 | if( bracketsExistAlt && bracketsExistAlt.type !== "BlockStatement") { |
| 149 | 2 | bracketsExistAlt.update("{\n"+bracketsExistAlt.source()+"}\n"); |
| 150 | | } |
| 151 | 9 | if( bracketsExistObject && bracketsExistObject.type !== "BlockStatement") { |
| 152 | 6 | bracketsExistObject.update("{\n"+bracketsExistObject.source()+"}\n"); |
| 153 | | } |
| 154 | | } |
| 155 | | }, |
| 156 | | _trackBranch: function(node,filename){ |
| 157 | | //recursive on consequent and alternative |
| 158 | 0 | var line = node.loc.start.line; |
| 159 | 0 | var col = node.loc.start.column; |
| 160 | | |
| 161 | 0 | _blanket._branchingArraySetup.push({ |
| 162 | | line: line, |
| 163 | | column: col, |
| 164 | | file:filename |
| 165 | | }); |
| 166 | | |
| 167 | 0 | var source = node.source(); |
| 168 | 0 | var updated = "_$branchFcn"+ |
| 169 | | "('"+filename+"',"+line+","+col+","+source.slice(0,source.indexOf("?"))+ |
| 170 | | ")"+source.slice(source.indexOf("?")); |
| 171 | 0 | node.update(updated); |
| 172 | | }, |
| 173 | | _addTracking: function (node,filename) { |
| 174 | 121 | _blanket._blockifyIf(node); |
| 175 | 121 | if (linesToAddTracking.indexOf(node.type) > -1 && node.parent.type !== "LabeledStatement"){ |
| 176 | 26 | if (node.type === "VariableDeclaration" && |
| 177 | | (node.parent.type === "ForStatement" || node.parent.type === "ForInStatement")){ |
| 178 | 1 | return; |
| 179 | | } |
| 180 | 25 | if (node.loc && node.loc.start){ |
| 181 | 25 | node.update(covVar+"['"+filename+"']["+node.loc.start.line+"]++;\n"+node.source()); |
| 182 | 25 | _blanket._trackingArraySetup.push(node.loc.start.line); |
| 183 | | }else{ |
| 184 | | //I don't think we can handle a node with no location |
| 185 | 0 | throw new Error("The instrumenter encountered a node with no location: "+Object.keys(node)); |
| 186 | | } |
| 187 | 95 | }else if (_blanket.options("branchTracking") && node.type === "ConditionalExpression"){ |
| 188 | 0 | _blanket._trackBranch(node,filename); |
| 189 | | } |
| 190 | | }, |
| 191 | | setupCoverage: function(){ |
| 192 | 1 | coverageInfo.instrumentation = "blanket"; |
| 193 | 1 | coverageInfo.stats = { |
| 194 | | "suites": 0, |
| 195 | | "tests": 0, |
| 196 | | "passes": 0, |
| 197 | | "pending": 0, |
| 198 | | "failures": 0, |
| 199 | | "start": new Date() |
| 200 | | }; |
| 201 | | }, |
| 202 | | _checkIfSetup: function(){ |
| 203 | 4 | if (!coverageInfo.stats){ |
| 204 | 0 | throw new Error("You must call blanket.setupCoverage() first."); |
| 205 | | } |
| 206 | | }, |
| 207 | | onTestStart: function(){ |
| 208 | 1 | this._checkIfSetup(); |
| 209 | 1 | coverageInfo.stats.tests++; |
| 210 | 1 | coverageInfo.stats.pending++; |
| 211 | | }, |
| 212 | | onTestDone: function(total,passed){ |
| 213 | 1 | this._checkIfSetup(); |
| 214 | 1 | if(passed === total){ |
| 215 | 1 | coverageInfo.stats.passes++; |
| 216 | | }else{ |
| 217 | 0 | coverageInfo.stats.failures++; |
| 218 | | } |
| 219 | 1 | coverageInfo.stats.pending--; |
| 220 | | }, |
| 221 | | onModuleStart: function(){ |
| 222 | 1 | this._checkIfSetup(); |
| 223 | 1 | coverageInfo.stats.suites++; |
| 224 | | }, |
| 225 | | onTestsDone: function(){ |
| 226 | 1 | this._checkIfSetup(); |
| 227 | 1 | coverageInfo.stats.end = new Date(); |
| 228 | | |
| 229 | 1 | if (typeof exports === 'undefined'){ |
| 230 | 0 | this.report(coverageInfo); |
| 231 | | }else{ |
| 232 | 1 | delete _$jscoverage.branchFcn; |
| 233 | 1 | this.options("reporter").call(this,coverageInfo); |
| 234 | | } |
| 235 | | } |
| 236 | | }; |
| 237 | 1 | return _blanket; |
| 238 | | })(); |
| 239 | | |