projects / extjs.git / blame
| Commit | Line | Data |
|---|---|---|
| 6527f429 DM |
1 | describe("Ext.Util", function() {\r |
| 2 | describe("Ext.callback", function() {\r | |
| 3 | var spy;\r | |
| 4 | \r | |
| 5 | beforeEach(function() {\r | |
| 6 | spy = jasmine.createSpy();\r | |
| 7 | });\r | |
| 8 | \r | |
| 9 | it('should not fail if given a null callback', function () {\r | |
| 10 | expect(function() {\r | |
| 11 | Ext.callback(null);\r | |
| 12 | }).not.toThrow();\r | |
| 13 | });\r | |
| 14 | \r | |
| 15 | it('should not fail if given an undefined callback', function () {\r | |
| 16 | expect(function() {\r | |
| 17 | Ext.callback(undefined);\r | |
| 18 | }).not.toThrow();\r | |
| 19 | });\r | |
| 20 | \r | |
| 21 | it('should not fail if given an invalid callback', function () {\r | |
| 22 | expect(function() {\r | |
| 23 | Ext.callback(42);\r | |
| 24 | }).not.toThrow();\r | |
| 25 | });\r | |
| 26 | \r | |
| 27 | it("should pass arguments to the callback function", function() {\r | |
| 28 | Ext.callback(spy, fakeScope, [1, 2, 3, 4, 6]);\r | |
| 29 | expect(spy).toHaveBeenCalledWith(1, 2, 3, 4,6);\r | |
| 30 | });\r | |
| 31 | \r | |
| 32 | it("should be able to defer function call", function() {\r | |
| 33 | runs(function() {\r | |
| 34 | Ext.callback(spy, undefined, [1, 2, 3, 4, 6], 1);\r | |
| 35 | expect(spy).not.toHaveBeenCalled();\r | |
| 36 | });\r | |
| 37 | waitsFor(function() {\r | |
| 38 | return spy.callCount > 0;\r | |
| 39 | }, "deferred callback never called");\r | |
| 40 | runs(function() {\r | |
| 41 | expect(spy).toHaveBeenCalledWith(1, 2, 3, 4, 6);\r | |
| 42 | });\r | |
| 43 | \r | |
| 44 | });\r | |
| 45 | \r | |
| 46 | it("should return the return value of the given function", function () {\r | |
| 47 | var x = 0,\r | |
| 48 | fn = function (y) {\r | |
| 49 | return x = this.z * 10 + y;\r | |
| 50 | },\r | |
| 51 | y = Ext.callback(fn, {z: 42}, [7]);\r | |
| 52 | \r | |
| 53 | expect(x).toBe(427);\r | |
| 54 | expect(y).toBe(427);\r | |
| 55 | });\r | |
| 56 | \r | |
| 57 | describe("scoping", function() {\r | |
| 58 | describe("with a function", function() {\r | |
| 59 | describe("scope 'this'", function() {\r | |
| 60 | it("should resolve the scope to the defaultScope", function() {\r | |
| 61 | Ext.callback(spy, 'this', undefined, undefined, undefined, fakeScope);\r | |
| 62 | expect(spy.mostRecentCall.object).toBe(fakeScope);\r | |
| 63 | });\r | |
| 64 | \r | |
| 65 | it("should resolve the scope to the caller", function() {\r | |
| 66 | Ext.callback(spy, 'this', undefined, undefined, fakeScope);\r | |
| 67 | expect(spy.mostRecentCall.object).toBe(fakeScope);\r | |
| 68 | });\r | |
| 69 | \r | |
| 70 | it("should prefer the defaultScope to the caller", function() {\r | |
| 71 | Ext.callback(spy, 'this', undefined, undefined, {}, fakeScope);\r | |
| 72 | expect(spy.mostRecentCall.object).toBe(fakeScope);\r | |
| 73 | });\r | |
| 74 | \r | |
| 75 | it("should fallback to global scope if no caller is passed", function() {\r | |
| 76 | Ext.callback(spy, 'this');\r | |
| 77 | expect(spy.mostRecentCall.object).toBe(Ext.global);\r | |
| 78 | });\r | |
| 79 | });\r | |
| 80 | \r | |
| 81 | describe("scope 'controller'", function() {\r | |
| 82 | it("should resolve the scope to the defaultScope", function() {\r | |
| 83 | Ext.callback(spy, 'controller', undefined, undefined, undefined, fakeScope);\r | |
| 84 | expect(spy.mostRecentCall.object).toBe(fakeScope);\r | |
| 85 | });\r | |
| 86 | \r | |
| 87 | it("should resolve the scope to the caller", function() {\r | |
| 88 | Ext.callback(spy, 'controller', undefined, undefined, fakeScope);\r | |
| 89 | expect(spy.mostRecentCall.object).toBe(fakeScope);\r | |
| 90 | });\r | |
| 91 | \r | |
| 92 | it("should prefer the defaultScope to the caller", function() {\r | |
| 93 | Ext.callback(spy, 'controller', undefined, undefined, {}, fakeScope);\r | |
| 94 | expect(spy.mostRecentCall.object).toBe(fakeScope);\r | |
| 95 | });\r | |
| 96 | \r | |
| 97 | it("should fallback to global scope if no caller is passed", function() {\r | |
| 98 | Ext.callback(spy, 'controller');\r | |
| 99 | expect(spy.mostRecentCall.object).toBe(Ext.global);\r | |
| 100 | });\r | |
| 101 | });\r | |
| 102 | \r | |
| 103 | it("should execute the passed function in the specified scope", function() {\r | |
| 104 | Ext.callback(spy, fakeScope);\r | |
| 105 | expect(spy.mostRecentCall.object).toBe(fakeScope);\r | |
| 106 | });\r | |
| 107 | \r | |
| 108 | it("should default the scope to Ext.global", function() {\r | |
| 109 | Ext.callback(spy);\r | |
| 110 | expect(spy.mostRecentCall.object).toBe(Ext.global);\r | |
| 111 | });\r | |
| 112 | });\r | |
| 113 | \r | |
| 114 | describe("with a string", function() {\r | |
| 115 | var scopeInfo;\r | |
| 116 | \r | |
| 117 | beforeEach(function() {\r | |
| 118 | scopeInfo = {\r | |
| 119 | foo: function() {\r | |
| 120 | \r | |
| 121 | }\r | |
| 122 | };\r | |
| 123 | spyOn(scopeInfo, 'foo');\r | |
| 124 | });\r | |
| 125 | \r | |
| 126 | describe("without caller", function() {\r | |
| 127 | it("should throw if no scope is passed", function() {\r | |
| 128 | expect(function() {\r | |
| 129 | Ext.callback('foo');\r | |
| 130 | }).toThrow();\r | |
| 131 | });\r | |
| 132 | \r | |
| 133 | it("should throw if the method cannot be found on the passed scope", function() {\r | |
| 134 | expect(function() {\r | |
| 135 | Ext.callback('foo', {});\r | |
| 136 | }).toThrow();\r | |
| 137 | });\r | |
| 138 | \r | |
| 139 | // Can't resolve the string scope without a caller\r | |
| 140 | it("should throw if passed 'this' as scope", function() {\r | |
| 141 | expect(function() {\r | |
| 142 | Ext.callback('foo', 'this');\r | |
| 143 | }).toThrow();\r | |
| 144 | });\r | |
| 145 | \r | |
| 146 | it("should throw if passed 'controller' as scope", function() {\r | |
| 147 | expect(function() {\r | |
| 148 | Ext.callback('foo', 'controller');\r | |
| 149 | }).toThrow();\r | |
| 150 | });\r | |
| 151 | \r | |
| 152 | it("should call the resolved method on the passed scope", function() {\r | |
| 153 | Ext.callback('foo', scopeInfo);\r | |
| 154 | expect(scopeInfo.foo).toHaveBeenCalled();\r | |
| 155 | expect(scopeInfo.foo.mostRecentCall.object).toBe(scopeInfo);\r | |
| 156 | });\r | |
| 157 | \r | |
| 158 | it("should retain scope on defer", function() {\r | |
| 159 | runs(function() {\r | |
| 160 | Ext.callback('foo', scopeInfo, undefined, 1);\r | |
| 161 | expect(scopeInfo.foo).not.toHaveBeenCalled();\r | |
| 162 | });\r | |
| 163 | waitsFor(function() {\r | |
| 164 | return scopeInfo.foo.callCount > 0;\r | |
| 165 | }, "deferred callback never called");\r | |
| 166 | runs(function() {\r | |
| 167 | expect(scopeInfo.foo).toHaveBeenCalled();\r | |
| 168 | expect(scopeInfo.foo.mostRecentCall.object).toBe(scopeInfo);\r | |
| 169 | });\r | |
| 170 | });\r | |
| 171 | });\r | |
| 172 | \r | |
| 173 | describe("with caller", function() {\r | |
| 174 | var theScope, caller;\r | |
| 175 | beforeEach(function() {\r | |
| 176 | theScope = {\r | |
| 177 | foo: function() {\r | |
| 178 | \r | |
| 179 | }\r | |
| 180 | };\r | |
| 181 | caller = {\r | |
| 182 | resolveListenerScope: function() {\r | |
| 183 | return theScope;\r | |
| 184 | }\r | |
| 185 | };\r | |
| 186 | spyOn(theScope, 'foo');\r | |
| 187 | });\r | |
| 188 | \r | |
| 189 | describe("object scope", function() {\r | |
| 190 | it("should favour a passed scope", function() {\r | |
| 191 | Ext.callback('foo', scopeInfo, undefined, undefined, caller);\r | |
| 192 | expect(scopeInfo.foo).toHaveBeenCalled();\r | |
| 193 | expect(scopeInfo.foo.mostRecentCall.object).toBe(scopeInfo);\r | |
| 194 | expect(theScope.foo).not.toHaveBeenCalled();\r | |
| 195 | });\r | |
| 196 | \r | |
| 197 | it("should throw if the method cannot be found on the passed caller", function() {\r | |
| 198 | expect(function() {\r | |
| 199 | Ext.callback('fake', undefined, undefined, undefined, caller);\r | |
| 200 | }).toThrow();\r | |
| 201 | });\r | |
| 202 | \r | |
| 203 | it("should call the resolved method on the passed scope", function() {\r | |
| 204 | Ext.callback('foo', undefined, undefined, undefined, caller);\r | |
| 205 | expect(theScope.foo).toHaveBeenCalled();\r | |
| 206 | expect(theScope.foo.mostRecentCall.object).toBe(caller.resolveListenerScope());\r | |
| 207 | });\r | |
| 208 | \r | |
| 209 | it("should retain scope on defer", function() {\r | |
| 210 | runs(function() {\r | |
| 211 | Ext.callback('foo', undefined, undefined, 1, caller);\r | |
| 212 | expect(theScope.foo).not.toHaveBeenCalled();\r | |
| 213 | });\r | |
| 214 | waitsFor(function() {\r | |
| 215 | return theScope.foo.callCount > 0;\r | |
| 216 | }, "deferred callback never called");\r | |
| 217 | runs(function() {\r | |
| 218 | expect(theScope.foo).toHaveBeenCalled();\r | |
| 219 | expect(theScope.foo.mostRecentCall.object).toBe(caller.resolveListenerScope());\r | |
| 220 | });\r | |
| 221 | });\r | |
| 222 | });\r | |
| 223 | \r | |
| 224 | describe("scope: 'this'", function() {\r | |
| 225 | it("should call resolveListenerScope on the caller", function() {\r | |
| 226 | spyOn(caller, 'resolveListenerScope').andCallThrough();\r | |
| 227 | Ext.callback('foo', 'this', undefined, undefined, caller);\r | |
| 228 | expect(caller.resolveListenerScope).toHaveBeenCalledWith('this');\r | |
| 229 | expect(theScope.foo).toHaveBeenCalled();\r | |
| 230 | expect(theScope.foo.mostRecentCall.object).toBe(theScope);\r | |
| 231 | });\r | |
| 232 | \r | |
| 233 | it("should throw if the method cannot be found on the passed caller", function() {\r | |
| 234 | expect(function() {\r | |
| 235 | Ext.callback('fake', 'this', undefined, undefined, caller);\r | |
| 236 | }).toThrow();\r | |
| 237 | });\r | |
| 238 | \r | |
| 239 | it("should retain scope on defer", function() {\r | |
| 240 | runs(function() {\r | |
| 241 | Ext.callback('foo', 'this', undefined, 1, caller);\r | |
| 242 | expect(theScope.foo).not.toHaveBeenCalled();\r | |
| 243 | });\r | |
| 244 | waitsFor(function() {\r | |
| 245 | return theScope.foo.callCount > 0;\r | |
| 246 | }, "deferred callback never called");\r | |
| 247 | runs(function() {\r | |
| 248 | expect(theScope.foo).toHaveBeenCalled();\r | |
| 249 | expect(theScope.foo.mostRecentCall.object).toBe(theScope);\r | |
| 250 | });\r | |
| 251 | });\r | |
| 252 | });\r | |
| 253 | \r | |
| 254 | describe("scope: 'controller'", function() {\r | |
| 255 | it("should call resolveListenerScope on the caller", function() {\r | |
| 256 | spyOn(caller, 'resolveListenerScope').andCallThrough();\r | |
| 257 | Ext.callback('foo', 'controller', undefined, undefined, caller);\r | |
| 258 | expect(caller.resolveListenerScope).toHaveBeenCalledWith('controller');\r | |
| 259 | expect(theScope.foo).toHaveBeenCalled();\r | |
| 260 | expect(theScope.foo.mostRecentCall.object).toBe(theScope);\r | |
| 261 | });\r | |
| 262 | \r | |
| 263 | it("should throw if the method cannot be found on the passed caller", function() {\r | |
| 264 | expect(function() {\r | |
| 265 | Ext.callback('fake', 'controller', undefined, undefined, caller);\r | |
| 266 | }).toThrow();\r | |
| 267 | });\r | |
| 268 | \r | |
| 269 | it("should retain scope on defer", function() {\r | |
| 270 | runs(function() {\r | |
| 271 | Ext.callback('foo', 'controller', undefined, 1, caller);\r | |
| 272 | expect(theScope.foo).not.toHaveBeenCalled();\r | |
| 273 | });\r | |
| 274 | waitsFor(function() {\r | |
| 275 | return theScope.foo.callCount > 0;\r | |
| 276 | }, "deferred callback never called");\r | |
| 277 | runs(function() {\r | |
| 278 | expect(theScope.foo).toHaveBeenCalled();\r | |
| 279 | expect(theScope.foo.mostRecentCall.object).toBe(theScope);\r | |
| 280 | });\r | |
| 281 | });\r | |
| 282 | });\r | |
| 283 | });\r | |
| 284 | });\r | |
| 285 | });\r | |
| 286 | }); // Ext.callback\r | |
| 287 | \r | |
| 288 | describe('copyToIf String[]', function () {\r | |
| 289 | var dest;\r | |
| 290 | var source = { a: 1, b: 'x', c: 42 };\r | |
| 291 | \r | |
| 292 | beforeEach(function () {\r | |
| 293 | dest = { a: 427 };\r | |
| 294 | });\r | |
| 295 | \r | |
| 296 | it('should leave existing properties alone', function () {\r | |
| 297 | Ext.copyToIf(dest, source, ['a']);\r | |
| 298 | expect(dest).toEqual({ a: 427 });\r | |
| 299 | });\r | |
| 300 | \r | |
| 301 | it('should add new properties', function () {\r | |
| 302 | Ext.copyToIf(dest, source, ['a','b']);\r | |
| 303 | expect(dest).toEqual({ a: 427, b: 'x' });\r | |
| 304 | });\r | |
| 305 | });\r | |
| 306 | \r | |
| 307 | describe('copyToIf String', function () {\r | |
| 308 | var dest;\r | |
| 309 | var source = { a: 1, b: 'x', c: 42 };\r | |
| 310 | \r | |
| 311 | beforeEach(function () {\r | |
| 312 | dest = { a: 427 };\r | |
| 313 | });\r | |
| 314 | \r | |
| 315 | it('should leave existing properties alone', function () {\r | |
| 316 | Ext.copyToIf(dest, source, 'a');\r | |
| 317 | expect(dest).toEqual({ a: 427 });\r | |
| 318 | });\r | |
| 319 | \r | |
| 320 | it('should add new properties', function () {\r | |
| 321 | Ext.copyToIf(dest, source, 'a,b');\r | |
| 322 | expect(dest).toEqual({ a: 427, b: 'x' });\r | |
| 323 | });\r | |
| 324 | })\r | |
| 325 | });\r |