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comparison: addon-sdk/source/lib/method/test/common.js
addon-sdk/source/lib/method/test/common.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:f9ab5e745fd8 |
|---|---|
| 1 "use strict"; | |
| 2 | |
| 3 var Method = require("../core") | |
| 4 | |
| 5 function type(value) { | |
| 6 return Object.prototype.toString.call(value). | |
| 7 split(" "). | |
| 8 pop(). | |
| 9 split("]"). | |
| 10 shift(). | |
| 11 toLowerCase() | |
| 12 } | |
| 13 | |
| 14 var values = [ | |
| 15 null, // 0 | |
| 16 undefined, // 1 | |
| 17 Infinity, // 2 | |
| 18 NaN, // 3 | |
| 19 5, // 4 | |
| 20 {}, // 5 | |
| 21 Object.create({}), // 6 | |
| 22 Object.create(null), // 7 | |
| 23 [], // 8 | |
| 24 /foo/, // 9 | |
| 25 new Date(), // 10 | |
| 26 Function, // 11 | |
| 27 function() {}, // 12 | |
| 28 true, // 13 | |
| 29 false, // 14 | |
| 30 "string" // 15 | |
| 31 ] | |
| 32 | |
| 33 function True() { return true } | |
| 34 function False() { return false } | |
| 35 | |
| 36 var trues = values.map(True) | |
| 37 var falses = values.map(False) | |
| 38 | |
| 39 exports["test throws if not implemented"] = function(assert) { | |
| 40 var method = Method("nope") | |
| 41 | |
| 42 assert.throws(function() { | |
| 43 method({}) | |
| 44 }, /not implement/i, "method throws if not implemented") | |
| 45 | |
| 46 assert.throws(function() { | |
| 47 method(null) | |
| 48 }, /not implement/i, "method throws on null") | |
| 49 } | |
| 50 | |
| 51 exports["test all types inherit from default"] = function(assert) { | |
| 52 var isImplemented = Method("isImplemented") | |
| 53 isImplemented.define(function() { return true }) | |
| 54 | |
| 55 values.forEach(function(value) { | |
| 56 assert.ok(isImplemented(value), | |
| 57 type(value) + " inherits deafult implementation") | |
| 58 }) | |
| 59 } | |
| 60 | |
| 61 exports["test default can be implemented later"] = function(assert) { | |
| 62 var isImplemented = Method("isImplemented") | |
| 63 isImplemented.define(function() { | |
| 64 return true | |
| 65 }) | |
| 66 | |
| 67 values.forEach(function(value) { | |
| 68 assert.ok(isImplemented(value), | |
| 69 type(value) + " inherits deafult implementation") | |
| 70 }) | |
| 71 } | |
| 72 | |
| 73 exports["test dispatch not-implemented"] = function(assert) { | |
| 74 var isDefault = Method("isDefault") | |
| 75 values.forEach(function(value) { | |
| 76 assert.throws(function() { | |
| 77 isDefault(value) | |
| 78 }, /not implement/, type(value) + " throws if not implemented") | |
| 79 }) | |
| 80 } | |
| 81 | |
| 82 exports["test dispatch default"] = function(assert) { | |
| 83 var isDefault = Method("isDefault") | |
| 84 | |
| 85 // Implement default | |
| 86 isDefault.define(True) | |
| 87 assert.deepEqual(values.map(isDefault), trues, | |
| 88 "all implementation inherit from default") | |
| 89 | |
| 90 } | |
| 91 | |
| 92 exports["test dispatch null"] = function(assert) { | |
| 93 var isNull = Method("isNull") | |
| 94 | |
| 95 // Implement default | |
| 96 isNull.define(False) | |
| 97 isNull.define(null, True) | |
| 98 assert.deepEqual(values.map(isNull), | |
| 99 [ true ]. | |
| 100 concat(falses.slice(1)), | |
| 101 "only null gets methods defined for null") | |
| 102 } | |
| 103 | |
| 104 exports["test dispatch undefined"] = function(assert) { | |
| 105 var isUndefined = Method("isUndefined") | |
| 106 | |
| 107 // Implement default | |
| 108 isUndefined.define(False) | |
| 109 isUndefined.define(undefined, True) | |
| 110 assert.deepEqual(values.map(isUndefined), | |
| 111 [ false, true ]. | |
| 112 concat(falses.slice(2)), | |
| 113 "only undefined gets methods defined for undefined") | |
| 114 } | |
| 115 | |
| 116 exports["test dispatch object"] = function(assert) { | |
| 117 var isObject = Method("isObject") | |
| 118 | |
| 119 // Implement default | |
| 120 isObject.define(False) | |
| 121 isObject.define(Object, True) | |
| 122 assert.deepEqual(values.map(isObject), | |
| 123 [ false, false, false, false, false ]. | |
| 124 concat(trues.slice(5, 13)). | |
| 125 concat([false, false, false]), | |
| 126 "all values except primitives inherit Object methods") | |
| 127 | |
| 128 } | |
| 129 | |
| 130 exports["test dispatch number"] = function(assert) { | |
| 131 var isNumber = Method("isNumber") | |
| 132 isNumber.define(False) | |
| 133 isNumber.define(Number, True) | |
| 134 | |
| 135 assert.deepEqual(values.map(isNumber), | |
| 136 falses.slice(0, 2). | |
| 137 concat(true, true, true). | |
| 138 concat(falses.slice(5)), | |
| 139 "all numbers inherit from Number method") | |
| 140 } | |
| 141 | |
| 142 exports["test dispatch string"] = function(assert) { | |
| 143 var isString = Method("isString") | |
| 144 isString.define(False) | |
| 145 isString.define(String, True) | |
| 146 | |
| 147 assert.deepEqual(values.map(isString), | |
| 148 falses.slice(0, 15). | |
| 149 concat(true), | |
| 150 "all strings inherit from String method") | |
| 151 } | |
| 152 | |
| 153 exports["test dispatch function"] = function(assert) { | |
| 154 var isFunction = Method("isFunction") | |
| 155 isFunction.define(False) | |
| 156 isFunction.define(Function, True) | |
| 157 | |
| 158 assert.deepEqual(values.map(isFunction), | |
| 159 falses.slice(0, 11). | |
| 160 concat(true, true). | |
| 161 concat(falses.slice(13)), | |
| 162 "all functions inherit from Function method") | |
| 163 } | |
| 164 | |
| 165 exports["test dispatch date"] = function(assert) { | |
| 166 var isDate = Method("isDate") | |
| 167 isDate.define(False) | |
| 168 isDate.define(Date, True) | |
| 169 | |
| 170 assert.deepEqual(values.map(isDate), | |
| 171 falses.slice(0, 10). | |
| 172 concat(true). | |
| 173 concat(falses.slice(11)), | |
| 174 "all dates inherit from Date method") | |
| 175 } | |
| 176 | |
| 177 exports["test dispatch RegExp"] = function(assert) { | |
| 178 var isRegExp = Method("isRegExp") | |
| 179 isRegExp.define(False) | |
| 180 isRegExp.define(RegExp, True) | |
| 181 | |
| 182 assert.deepEqual(values.map(isRegExp), | |
| 183 falses.slice(0, 9). | |
| 184 concat(true). | |
| 185 concat(falses.slice(10)), | |
| 186 "all regexps inherit from RegExp method") | |
| 187 } | |
| 188 | |
| 189 exports["test redefine for descendant"] = function(assert) { | |
| 190 var isFoo = Method("isFoo") | |
| 191 var ancestor = {} | |
| 192 isFoo.implement(ancestor, function() { return true }) | |
| 193 var descendant = Object.create(ancestor) | |
| 194 isFoo.implement(descendant, function() { return false }) | |
| 195 | |
| 196 assert.ok(isFoo(ancestor), "defined on ancestor") | |
| 197 assert.ok(!isFoo(descendant), "overrided for descendant") | |
| 198 } | |
| 199 | |
| 200 exports["test on custom types"] = function(assert) { | |
| 201 function Bar() {} | |
| 202 var isBar = Method("isBar") | |
| 203 | |
| 204 isBar.define(function() { return false }) | |
| 205 isBar.define(Bar, function() { return true }) | |
| 206 | |
| 207 assert.ok(!isBar({}), "object is get's default implementation") | |
| 208 assert.ok(isBar(new Bar()), "Foo type objects get own implementation") | |
| 209 | |
| 210 var isObject = Method("isObject") | |
| 211 isObject.define(function() { return false }) | |
| 212 isObject.define(Object, function() { return true }) | |
| 213 | |
| 214 assert.ok(isObject(new Bar()), "foo inherits implementation from object") | |
| 215 | |
| 216 | |
| 217 isObject.define(Bar, function() { return false }) | |
| 218 | |
| 219 assert.ok(!isObject(new Bar()), | |
| 220 "implementation inherited form object can be overrided") | |
| 221 } | |
| 222 | |
| 223 | |
| 224 exports["test error types"] = function(assert) { | |
| 225 var isError = Method("isError") | |
| 226 isError.define(function() { return false }) | |
| 227 isError.define(Error, function() { return true }) | |
| 228 | |
| 229 assert.ok(isError(Error("boom")), "error is error") | |
| 230 assert.ok(isError(TypeError("boom")), "type error is an error") | |
| 231 assert.ok(isError(EvalError("boom")), "eval error is an error") | |
| 232 assert.ok(isError(RangeError("boom")), "range error is an error") | |
| 233 assert.ok(isError(ReferenceError("boom")), "reference error is an error") | |
| 234 assert.ok(isError(SyntaxError("boom")), "syntax error is an error") | |
| 235 assert.ok(isError(URIError("boom")), "URI error is an error") | |
| 236 } | |
| 237 | |
| 238 exports["test override define polymorphic method"] = function(assert) { | |
| 239 var define = Method.define | |
| 240 var implement = Method.implement | |
| 241 | |
| 242 var fn = Method("fn") | |
| 243 var methods = {} | |
| 244 implement(define, fn, function(method, label, implementation) { | |
| 245 methods[label] = implementation | |
| 246 }) | |
| 247 | |
| 248 function foo() {} | |
| 249 | |
| 250 define(fn, "foo-case", foo) | |
| 251 | |
| 252 assert.equal(methods["foo-case"], foo, "define set property") | |
| 253 } | |
| 254 | |
| 255 exports["test override define via method API"] = function(assert) { | |
| 256 var define = Method.define | |
| 257 var implement = Method.implement | |
| 258 | |
| 259 var fn = Method("fn") | |
| 260 var methods = {} | |
| 261 define.implement(fn, function(method, label, implementation) { | |
| 262 methods[label] = implementation | |
| 263 }) | |
| 264 | |
| 265 function foo() {} | |
| 266 | |
| 267 define(fn, "foo-case", foo) | |
| 268 | |
| 269 assert.equal(methods["foo-case"], foo, "define set property") | |
| 270 } | |
| 271 | |
| 272 require("test").run(exports) |
