| 1 | 1 | var parseAndModify = (typeof exports === 'undefined' ? window.falafel : require("/Users/alexsouthern/Dropbox/blanket/src/./lib/falafel").falafel); |
| 2 | | |
| 3 | 1 | function copy(o){ |
| 4 | 0 | var _copy = Object.create( Object.getPrototypeOf(o) ); |
| 5 | 0 | var propNames = Object.getOwnPropertyNames(o); |
| 6 | | |
| 7 | 0 | propNames.forEach(function(name){ |
| 8 | 0 | var desc = Object.getOwnPropertyDescriptor(o, name); |
| 9 | 0 | Object.defineProperty(_copy, name, desc); |
| 10 | | }); |
| 11 | | |
| 12 | 0 | return _copy; |
| 13 | | } |
| 14 | | |
| 15 | 1 | (typeof exports === 'undefined' ? window : exports).blanket = (function(){ |
| 16 | 1 | var linesToAddTracking = [ |
| 17 | | "ExpressionStatement", |
| 18 | | "LabeledStatement" , |
| 19 | | "BreakStatement" , |
| 20 | | "ContinueStatement" , |
| 21 | | "VariableDeclaration", |
| 22 | | "ReturnStatement" , |
| 23 | | "ThrowStatement" , |
| 24 | | "TryStatement" , |
| 25 | | "FunctionDeclaration" , |
| 26 | | "IfStatement" , |
| 27 | | "WhileStatement" , |
| 28 | | "DoWhileStatement" , |
| 29 | | "ForStatement" , |
| 30 | | "ForInStatement" , |
| 31 | | "SwitchStatement" , |
| 32 | | "WithStatement" |
| 33 | | ], |
| 34 | | linesToAddBrackets = [ |
| 35 | | "IfStatement" , |
| 36 | | |
| 37 | | "WhileStatement" , |
| 38 | | "DoWhileStatement" , |
| 39 | | "ForStatement" , |
| 40 | | "ForInStatement" , |
| 41 | | "WithStatement" |
| 42 | | ], |
| 43 | | covVar = (typeof window === 'undefined' ? "_$jscoverage" : "window._$blanket" ), |
| 44 | | reporter,instrumentFilter,adapter, |
| 45 | | coverageInfo = {},existingRequireJS=false, |
| 46 | | blanket = { |
| 47 | | _reporter: null, |
| 48 | | extend: function(obj) { |
| 49 | | //borrowed from underscore |
| 50 | 0 | blanket._extend(blanket,obj); |
| 51 | | }, |
| 52 | | _extend: function(dest,source){ |
| 53 | 0 | if (source) { |
| 54 | 0 | for (var prop in source) { |
| 55 | 0 | if (dest[prop]){ |
| 56 | 0 | blanket._extend(dest[prop],source[prop]); |
| 57 | | }else{ |
| 58 | 0 | dest[prop] = source[prop]; |
| 59 | | } |
| 60 | | } |
| 61 | | } |
| 62 | | }, |
| 63 | | setExistingRequirejs: function(exists){ |
| 64 | 2 | existingRequireJS = exists || false; |
| 65 | | }, |
| 66 | | getExistingRequirejs: function(){ |
| 67 | 3 | return existingRequireJS; |
| 68 | | }, |
| 69 | | setFilter: function(filter){ |
| 70 | 3 | instrumentFilter = filter; |
| 71 | | }, |
| 72 | | getFilter: function(){ |
| 73 | 4 | return instrumentFilter; |
| 74 | | }, |
| 75 | | setReporter: function(reporterFcn){ |
| 76 | 4 | reporter = reporterFcn; |
| 77 | | }, |
| 78 | | getReporter: function(){ |
| 79 | 4 | return reporter; |
| 80 | | }, |
| 81 | | instrument: function(config, next){ |
| 82 | 2 | var inFile = config.inputFile, |
| 83 | | inFileName = config.inputFileName; |
| 84 | 2 | var sourceArray = this._prepareSource(inFile); |
| 85 | 2 | blanket._trackingArraySetup=[]; |
| 86 | 2 | var instrumented = parseAndModify(inFile,{loc:true,comment:true}, this._addTracking,inFileName); |
| 87 | 2 | instrumented = this._trackingSetup(inFileName,sourceArray)+instrumented; |
| 88 | 2 | next(instrumented); |
| 89 | | }, |
| 90 | | _trackingArraySetup: [], |
| 91 | | _prepareSource: function(source){ |
| 92 | 3 | return source.replace(/\\/g,"\\\\").replace(/'/g,"\\'").replace(/(\r\n|\n|\r)/gm,"\n").split('\n'); |
| 93 | | }, |
| 94 | | _trackingSetup: function(filename,sourceArray){ |
| 95 | | |
| 96 | 3 | var sourceString = sourceArray.join("',\n'"); |
| 97 | 3 | var intro = "if (typeof "+covVar+" === 'undefined') "+covVar+" = {};\n"; |
| 98 | 3 | intro += "if (typeof "+covVar+"['"+filename+"'] === 'undefined'){"; |
| 99 | | |
| 100 | 3 | intro += covVar+"['"+filename+"']=[];\n"; |
| 101 | 3 | intro += covVar+"['"+filename+"'].source=['"+sourceString+"'];\n"; |
| 102 | | //initialize array values |
| 103 | 3 | blanket._trackingArraySetup.sort(function(a,b){ |
| 104 | 9 | return parseInt(a,10) > parseInt(b,10); |
| 105 | | }).forEach(function(item){ |
| 106 | 10 | intro += covVar+"['"+filename+"']["+item+"]=0;\n"; |
| 107 | | }); |
| 108 | | |
| 109 | 3 | intro += "}"; |
| 110 | 3 | return intro; |
| 111 | | }, |
| 112 | | _blockifyIf: function(node){ |
| 113 | | |
| 114 | 87 | if (linesToAddBrackets.indexOf(node.type) > -1){ |
| 115 | 7 | var bracketsExistObject = node.consequent || node.body; |
| 116 | 7 | var bracketsExistAlt = node.alternate; |
| 117 | 7 | if( bracketsExistAlt && bracketsExistAlt.type !== "BlockStatement") { |
| 118 | 2 | bracketsExistAlt.update("{\n"+bracketsExistAlt.source()+"}\n"); |
| 119 | | } |
| 120 | 7 | if( bracketsExistObject && bracketsExistObject.type !== "BlockStatement") { |
| 121 | 6 | bracketsExistObject.update("{\n"+bracketsExistObject.source()+"}\n"); |
| 122 | | } |
| 123 | | } |
| 124 | | }, |
| 125 | | _addTracking: function (node,filename) { |
| 126 | 87 | blanket._blockifyIf(node); |
| 127 | 87 | if (linesToAddTracking.indexOf(node.type) > -1){ |
| 128 | 19 | if (node.type === "VariableDeclaration" && |
| 129 | | (node.parent.type === "ForStatement" || node.parent.type === "ForInStatement")){ |
| 130 | 0 | return; |
| 131 | | } |
| 132 | 19 | if (node.loc && node.loc.start){ |
| 133 | 19 | node.update(covVar+"['"+filename+"']["+node.loc.start.line+"]++;\n"+node.source()); |
| 134 | 19 | blanket._trackingArraySetup.push(node.loc.start.line); |
| 135 | | }else{ |
| 136 | | //I don't think we can handle a node with no location |
| 137 | 0 | throw new Error("The instrumenter encountered a node with no location: "+Object.keys(node)); |
| 138 | | } |
| 139 | | } |
| 140 | | }, |
| 141 | | setupCoverage: function(){ |
| 142 | 1 | coverageInfo.instrumentation = "blanket"; |
| 143 | 1 | coverageInfo.stats = { |
| 144 | | "suites": 0, |
| 145 | | "tests": 0, |
| 146 | | "passes": 0, |
| 147 | | "pending": 0, |
| 148 | | "failures": 0, |
| 149 | | "start": new Date() |
| 150 | | }; |
| 151 | | }, |
| 152 | | _checkIfSetup: function(){ |
| 153 | 4 | if (!coverageInfo.stats){ |
| 154 | 0 | throw new Error("You must call blanket.setupCoverage() first."); |
| 155 | | } |
| 156 | | }, |
| 157 | | testEvents: { |
| 158 | | onTestStart: function(){ |
| 159 | 1 | blanket._checkIfSetup(); |
| 160 | 1 | coverageInfo.stats.tests++; |
| 161 | 1 | coverageInfo.stats.pending++; |
| 162 | | }, |
| 163 | | onTestDone: function(total,passed){ |
| 164 | 1 | blanket._checkIfSetup(); |
| 165 | 1 | if(passed === total){ |
| 166 | 1 | coverageInfo.stats.passes++; |
| 167 | | }else{ |
| 168 | 0 | coverageInfo.stats.failures++; |
| 169 | | } |
| 170 | 1 | coverageInfo.stats.pending--; |
| 171 | | }, |
| 172 | | onModuleStart: function(){ |
| 173 | 1 | blanket._checkIfSetup(); |
| 174 | 1 | coverageInfo.stats.suites++; |
| 175 | | }, |
| 176 | | onTestsDone: function(){ |
| 177 | 1 | blanket._checkIfSetup(); |
| 178 | 1 | coverageInfo.stats.end = new Date(); |
| 179 | 1 | if (typeof exports === 'undefined'){ |
| 180 | 0 | blanket.report(coverageInfo); |
| 181 | | }else{ |
| 182 | 1 | blanket.getReporter().call(this,coverageInfo); |
| 183 | | } |
| 184 | | } |
| 185 | | } |
| 186 | | }; |
| 187 | 1 | return blanket; |
| 188 | | })(); |
| 189 | | |