1 |
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2 |
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3 |
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4 | var expect = require("expect.js")
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5 |
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6 | var sourceMappingURL = require("../")
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7 |
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8 | var comments = {
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9 |
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10 | universal: [
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11 | "/*# sourceMappingURL=foo.js.map */"
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12 | ],
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13 |
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14 | js: [
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15 | "//# sourceMappingURL=foo.js.map"
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16 | ],
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17 |
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18 | block: [
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19 | "/*",
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20 | "# sourceMappingURL=foo.js.map",
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21 | "*/"
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22 | ],
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23 |
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24 | mix: [
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25 | "/*",
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26 | "//# sourceMappingURL=foo.js.map",
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27 | "*/"
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28 | ]
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29 |
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30 | }
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31 |
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32 | var nonTrailingComments = {
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33 |
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34 | jsLeading: {
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35 | contents: [
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36 | "//# sourceMappingURL=foo.js.map",
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37 | "(function(){})"
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38 | ],
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39 | solution: [
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40 | "(function(){})"
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41 | ]
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42 | },
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43 |
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44 | mixEmbedded: {
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45 | contents: [
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46 | "/*! Library Name v1.0.0",
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47 | "//# sourceMappingURL=foo.js.map",
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48 | "*/",
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49 | "(function(){})"
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50 | ],
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51 | solution: [
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52 | "/*! Library Name v1.0.0",
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53 | "*/",
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54 | "(function(){})"
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55 | ]
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56 | }
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57 |
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58 | }
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59 |
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60 | function forEachComment(fn) {
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61 | forOf(comments, function(name, comment) {
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62 | var description = "the '" + name + "' syntax with "
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63 | fn(comment.join("\n"), description + "regular newlines")
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64 | fn(comment.join("\r\n"), description + "Windows newlines")
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65 | })
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66 | }
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67 |
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68 | function forEachNonTrailingComment(fn) {
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69 | forOf(nonTrailingComments, function(name, comment) {
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70 |
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71 | var description = "the '" + name + "' syntax with "
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72 |
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73 | fn({
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74 | contents: comment.contents.join("\n"),
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75 | solution: comment.solution.join("\n")
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76 | }, description + "regular newlines")
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77 |
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78 | fn({
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79 | contents: comment.contents.join("\r\n"),
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80 | solution: comment.solution.join("\r\n")
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81 | }, description + "Windows newlines")
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82 | })
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83 | }
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84 |
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85 | function forOf(obj, fn) {
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86 | for (var key in obj) {
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87 | if (Object.prototype.hasOwnProperty.call(obj, key)) {
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88 | fn(key, obj[key])
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89 | }
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90 | }
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91 | }
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92 |
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93 |
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94 | describe("sourceMappingURL", function() {
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95 |
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96 | describe(".getFrom", function() {
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97 |
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98 | forEachComment(function(comment, description) {
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99 |
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100 | it("gets the url from " + description, function() {
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101 | expect(sourceMappingURL.getFrom("code\n" + comment))
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102 | .to.equal("foo.js.map")
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103 |
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104 | expect(sourceMappingURL.getFrom("code" + comment))
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105 | .to.equal("foo.js.map")
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106 |
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107 | expect(sourceMappingURL.getFrom(comment))
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108 | .to.equal("foo.js.map")
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109 | })
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110 |
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111 | })
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112 |
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113 | forEachNonTrailingComment(function(comment, description) {
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114 |
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115 | it("gets the url from " + description, function() {
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116 | expect(sourceMappingURL.getFrom("code\n" + comment.contents))
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117 | .to.equal("foo.js.map")
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118 |
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119 | expect(sourceMappingURL.getFrom("code" + comment.contents))
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120 | .to.equal("foo.js.map")
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121 |
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122 | expect(sourceMappingURL.getFrom(comment.contents))
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123 | .to.equal("foo.js.map")
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124 | })
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125 |
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126 | })
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127 |
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128 |
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129 | it("returns null if no comment", function() {
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130 | expect(sourceMappingURL.getFrom("code"))
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131 | .to.equal(null)
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132 | })
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133 |
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134 |
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135 | it("can return an empty string as url", function() {
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136 | expect(sourceMappingURL.getFrom("/*# sourceMappingURL= */"))
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137 | .to.equal("")
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138 | })
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139 |
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140 |
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141 | it("is detachable", function() {
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142 | var get = sourceMappingURL.getFrom
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143 | expect(get("/*# sourceMappingURL=foo */"))
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144 | .to.equal("foo")
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145 | })
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146 |
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147 | })
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148 |
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149 |
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150 | describe(".existsIn", function() {
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151 |
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152 | forEachComment(function(comment, description) {
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153 |
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154 | it("returns true for " + description, function() {
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155 | expect(sourceMappingURL.existsIn("code\n" + comment))
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156 | .to.equal(true)
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157 |
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158 | expect(sourceMappingURL.existsIn("code" + comment))
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159 | .to.equal(true)
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160 |
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161 | expect(sourceMappingURL.existsIn(comment))
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162 | .to.equal(true)
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163 | })
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164 |
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165 | })
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166 |
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167 | forEachNonTrailingComment(function(comment, description) {
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168 |
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169 | it("returns true for " + description, function() {
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170 | expect(sourceMappingURL.existsIn("code\n" + comment.contents))
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171 | .to.equal(true)
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172 |
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173 | expect(sourceMappingURL.existsIn("code" + comment.contents))
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174 | .to.equal(true)
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175 |
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176 | expect(sourceMappingURL.existsIn(comment.contents))
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177 | .to.equal(true)
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178 | })
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179 |
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180 | })
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181 |
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182 |
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183 | it("returns false if no comment", function() {
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184 | expect(sourceMappingURL.existsIn("code"))
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185 | .to.equal(false)
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186 | })
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187 |
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188 |
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189 | it("is detachable", function() {
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190 | var has = sourceMappingURL.existsIn
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191 | expect(has("/*# sourceMappingURL=foo */"))
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192 | .to.equal(true)
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193 | })
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194 |
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195 | })
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196 |
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197 |
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198 | describe(".removeFrom", function() {
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199 |
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200 | forEachComment(function(comment, description) {
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201 |
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202 | it("removes the comment for " + description, function() {
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203 | expect(sourceMappingURL.removeFrom("code\n" + comment))
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204 | .to.equal("code\n")
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205 |
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206 | expect(sourceMappingURL.removeFrom("code" + comment))
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207 | .to.equal("code")
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208 |
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209 | expect(sourceMappingURL.removeFrom(comment))
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210 | .to.equal("")
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211 | })
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212 |
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213 | })
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214 |
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215 | forEachNonTrailingComment(function(comment, description) {
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216 |
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217 | it("removes the comment for " + description, function() {
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218 | expect(sourceMappingURL.removeFrom("code\n" + comment.contents))
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219 | .to.equal("code\n" + comment.solution)
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220 |
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221 | expect(sourceMappingURL.removeFrom("code" + comment.contents))
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222 | .to.equal("code" + comment.solution)
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223 |
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224 | expect(sourceMappingURL.removeFrom(comment.contents))
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225 | .to.equal(comment.solution)
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226 | })
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227 |
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228 | })
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229 |
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230 |
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231 | it("does nothing if no comment", function() {
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232 | expect(sourceMappingURL.removeFrom("code\n"))
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233 | .to.equal("code\n")
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234 | })
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235 |
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236 |
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237 | it("is detachable", function() {
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238 | var remove = sourceMappingURL.removeFrom
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239 | expect(remove("/*# sourceMappingURL=foo */"))
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240 | .to.equal("")
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241 | })
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242 |
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243 | })
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244 |
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245 |
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246 | describe(".insertBefore", function() {
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247 |
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248 | forEachComment(function(comment, description) {
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249 |
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250 | it("inserts a string before the comment for " + description, function() {
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251 | expect(sourceMappingURL.insertBefore("code\n" + comment, "more code\n"))
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252 | .to.equal("code\nmore code\n" + comment)
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253 |
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254 | expect(sourceMappingURL.insertBefore("code" + comment, "\nmore code"))
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255 | .to.equal("code\nmore code" + comment)
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256 |
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257 | expect(sourceMappingURL.insertBefore(comment, "some code"))
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258 | .to.equal("some code" + comment)
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259 | })
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260 |
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261 | })
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262 |
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263 |
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264 | it("inserts a string before an embedded comment", function() {
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265 | expect(sourceMappingURL.insertBefore("/*! Library Name v1.0.0\n" +
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266 | "//# sourceMappingURL=foo.js.map\n*/\n(function(){})", "code\n"))
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267 | .to.equal("/*! Library Name v1.0.0\ncode\n" +
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268 | "//# sourceMappingURL=foo.js.map\n*/\n(function(){})")
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269 | })
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270 |
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271 |
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272 | it("inserts a string before a leading comment", function() {
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273 | expect(sourceMappingURL.insertBefore("//# sourceMappingURL=foo.js.map\n" +
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274 | "(function(){})", "code\n"))
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275 | .to.equal("code\n//# sourceMappingURL=foo.js.map\n" +
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276 | "(function(){})")
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277 | })
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278 |
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279 |
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280 | it("appends if no comment", function() {
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281 | expect(sourceMappingURL.insertBefore("code", "\nmore code"))
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282 | .to.equal("code\nmore code")
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283 | })
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284 |
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285 |
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286 | it("is detachable", function() {
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287 | var insertBefore = sourceMappingURL.insertBefore
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288 | expect(insertBefore("/*# sourceMappingURL=foo */", "bar"))
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289 | .to.equal("bar/*# sourceMappingURL=foo */")
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290 | })
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291 |
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292 | })
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293 |
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294 |
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295 | describe(".regex", function() {
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296 |
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297 | it("includes ._innerRegex", function() {
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298 | expect(sourceMappingURL.regex.source)
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299 | .to.contain(sourceMappingURL._innerRegex.source)
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300 | })
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301 |
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302 |
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303 | var match = function(code) {
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304 | expect(code)
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305 | .to.match(sourceMappingURL.regex)
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306 | }
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307 |
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308 | var noMatch = function(code) {
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309 | expect(code)
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310 | .not.to.match(sourceMappingURL.regex)
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311 | }
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312 |
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313 |
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314 | forEachComment(function(comment, description) {
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315 |
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316 | it("matches " + description, function() {
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317 | match("code\n" + comment)
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318 | match("code" + comment)
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319 | match(comment)
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320 | })
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321 |
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322 |
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323 | it("matches " + description + ", with trailing whitespace", function() {
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324 | match(comment + " ")
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325 | match(comment + "\n")
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326 | match(comment + "\n\n\t\n \t ")
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327 | })
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328 |
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329 | })
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330 |
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331 |
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332 | it("does not match some cases that are easy to mess up", function() {
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333 | noMatch(
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334 | "/* # sourceMappingURL=foo */"
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335 | )
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336 |
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337 | noMatch(
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338 | "// # sourceMappingURL=foo"
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339 | )
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340 | })
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341 |
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342 |
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343 | it("is liberal regarding inner whitespace", function() {
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344 | match(
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345 | "/*# sourceMappingURL=foo*/"
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346 | )
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347 |
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348 | match(
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349 | "/*# sourceMappingURL=foo */"
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350 | )
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351 |
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352 | match(
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353 | "/*# sourceMappingURL=foo \t\n" +
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354 | "*/"
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355 | )
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356 |
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357 | match(
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358 | "/* \n" +
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359 | "# sourceMappingURL=foo\n" +
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360 | "*/"
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361 | )
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362 |
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363 | match(
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364 | "/*\n" +
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365 | "# sourceMappingURL=foo\n" +
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366 | " */"
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367 | )
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368 |
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369 | match(
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370 | "/*\n" +
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371 | "# sourceMappingURL=foo\n" +
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372 | "\n" +
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373 | "\t\n" +
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374 | "*/"
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375 | )
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376 | })
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377 |
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378 | })
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379 |
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380 |
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381 | describe("._innerRegex", function() {
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382 |
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383 | it("matches the contents of sourceMappingURL comments", function() {
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384 | expect("# sourceMappingURL=http://www.example.com/foo/bar.js.map")
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385 | .to.match(sourceMappingURL._innerRegex)
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386 | })
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387 |
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388 |
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389 | it("captures the url in the first capture group", function() {
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390 | expect(sourceMappingURL._innerRegex.exec("# sourceMappingURL=foo")[1])
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391 | .to.equal("foo")
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392 | })
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393 |
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394 |
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395 | it("supports the legacy syntax", function() {
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396 | expect("@ sourceMappingURL=http://www.example.com/foo/bar.js.map")
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397 | .to.match(sourceMappingURL._innerRegex)
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398 | })
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399 |
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400 | })
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401 |
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402 | })
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