61 lines
1.7 KiB
JavaScript
61 lines
1.7 KiB
JavaScript
getJasmineRequireObj().SpyRegistry = function(j$) {
|
|
|
|
function SpyRegistry(options) {
|
|
options = options || {};
|
|
var currentSpies = options.currentSpies || function() { return []; };
|
|
|
|
this.spyOn = function(obj, methodName) {
|
|
if (j$.util.isUndefined(obj)) {
|
|
throw new Error('spyOn could not find an object to spy upon for ' + methodName + '()');
|
|
}
|
|
|
|
if (j$.util.isUndefined(methodName)) {
|
|
throw new Error('No method name supplied');
|
|
}
|
|
|
|
if (j$.util.isUndefined(obj[methodName])) {
|
|
throw new Error(methodName + '() method does not exist');
|
|
}
|
|
|
|
if (obj[methodName] && j$.isSpy(obj[methodName])) {
|
|
//TODO?: should this return the current spy? Downside: may cause user confusion about spy state
|
|
throw new Error(methodName + ' has already been spied upon');
|
|
}
|
|
|
|
var descriptor;
|
|
try {
|
|
descriptor = Object.getOwnPropertyDescriptor(obj, methodName);
|
|
} catch(e) {
|
|
// IE 8 doesn't support `definePropery` on non-DOM nodes
|
|
}
|
|
|
|
if (descriptor && !(descriptor.writable || descriptor.set)) {
|
|
throw new Error(methodName + ' is not declared writable or has no setter');
|
|
}
|
|
|
|
var spy = j$.createSpy(methodName, obj[methodName]);
|
|
|
|
currentSpies().push({
|
|
spy: spy,
|
|
baseObj: obj,
|
|
methodName: methodName,
|
|
originalValue: obj[methodName]
|
|
});
|
|
|
|
obj[methodName] = spy;
|
|
|
|
return spy;
|
|
};
|
|
|
|
this.clearSpies = function() {
|
|
var spies = currentSpies();
|
|
for (var i = spies.length - 1; i >= 0; i--) {
|
|
var spyEntry = spies[i];
|
|
spyEntry.baseObj[spyEntry.methodName] = spyEntry.originalValue;
|
|
}
|
|
};
|
|
}
|
|
|
|
return SpyRegistry;
|
|
};
|