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default-behaviors.js
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default-behaviors.js
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"use strict";
var getPropertyDescriptor = require("./util/core/get-property-descriptor");
var slice = [].slice;
var useLeftMostCallback = -1;
var useRightMostCallback = -2;
function throwsException(fake, error, message) {
if (typeof error === "function") {
fake.exceptionCreator = error;
} else if (typeof error === "string") {
fake.exceptionCreator = function () {
var newException = new Error(message || "");
newException.name = error;
return newException;
};
} else if (!error) {
fake.exceptionCreator = function () {
return new Error("Error");
};
} else {
fake.exception = error;
}
}
function isPropertyConfigurable(obj, propName) {
var propertyDescriptor = getPropertyDescriptor(obj, propName);
return propertyDescriptor ? propertyDescriptor.configurable : true;
}
module.exports = {
callsFake: function callsFake(fake, fn) {
fake.fakeFn = fn;
},
callsArg: function callsArg(fake, pos) {
if (typeof pos !== "number") {
throw new TypeError("argument index is not number");
}
fake.callArgAt = pos;
fake.callbackArguments = [];
fake.callbackContext = undefined;
fake.callArgProp = undefined;
fake.callbackAsync = false;
},
callsArgOn: function callsArgOn(fake, pos, context) {
if (typeof pos !== "number") {
throw new TypeError("argument index is not number");
}
fake.callArgAt = pos;
fake.callbackArguments = [];
fake.callbackContext = context;
fake.callArgProp = undefined;
fake.callbackAsync = false;
},
callsArgWith: function callsArgWith(fake, pos) {
if (typeof pos !== "number") {
throw new TypeError("argument index is not number");
}
fake.callArgAt = pos;
fake.callbackArguments = slice.call(arguments, 2);
fake.callbackContext = undefined;
fake.callArgProp = undefined;
fake.callbackAsync = false;
},
callsArgOnWith: function callsArgWith(fake, pos, context) {
if (typeof pos !== "number") {
throw new TypeError("argument index is not number");
}
fake.callArgAt = pos;
fake.callbackArguments = slice.call(arguments, 3);
fake.callbackContext = context;
fake.callArgProp = undefined;
fake.callbackAsync = false;
},
usingPromise: function usingPromise(fake, promiseLibrary) {
fake.promiseLibrary = promiseLibrary;
},
yields: function (fake) {
fake.callArgAt = useLeftMostCallback;
fake.callbackArguments = slice.call(arguments, 1);
fake.callbackContext = undefined;
fake.callArgProp = undefined;
fake.callbackAsync = false;
},
yieldsRight: function (fake) {
fake.callArgAt = useRightMostCallback;
fake.callbackArguments = slice.call(arguments, 1);
fake.callbackContext = undefined;
fake.callArgProp = undefined;
fake.callbackAsync = false;
},
yieldsOn: function (fake, context) {
fake.callArgAt = useLeftMostCallback;
fake.callbackArguments = slice.call(arguments, 2);
fake.callbackContext = context;
fake.callArgProp = undefined;
fake.callbackAsync = false;
},
yieldsTo: function (fake, prop) {
fake.callArgAt = useLeftMostCallback;
fake.callbackArguments = slice.call(arguments, 2);
fake.callbackContext = undefined;
fake.callArgProp = prop;
fake.callbackAsync = false;
},
yieldsToOn: function (fake, prop, context) {
fake.callArgAt = useLeftMostCallback;
fake.callbackArguments = slice.call(arguments, 3);
fake.callbackContext = context;
fake.callArgProp = prop;
fake.callbackAsync = false;
},
throws: throwsException,
throwsException: throwsException,
returns: function returns(fake, value) {
fake.returnValue = value;
fake.resolve = false;
fake.reject = false;
fake.returnValueDefined = true;
fake.exception = undefined;
fake.exceptionCreator = undefined;
fake.fakeFn = undefined;
},
returnsArg: function returnsArg(fake, pos) {
if (typeof pos !== "number") {
throw new TypeError("argument index is not number");
}
fake.returnArgAt = pos;
},
throwsArg: function throwsArg(fake, pos) {
if (typeof pos !== "number") {
throw new TypeError("argument index is not number");
}
fake.throwArgAt = pos;
},
returnsThis: function returnsThis(fake) {
fake.returnThis = true;
},
resolves: function resolves(fake, value) {
fake.returnValue = value;
fake.resolve = true;
fake.resolveThis = false;
fake.reject = false;
fake.returnValueDefined = true;
fake.exception = undefined;
fake.exceptionCreator = undefined;
fake.fakeFn = undefined;
},
rejects: function rejects(fake, error, message) {
var reason;
if (typeof error === "string") {
reason = new Error(message || "");
reason.name = error;
} else if (!error) {
reason = new Error("Error");
} else {
reason = error;
}
fake.returnValue = reason;
fake.resolve = false;
fake.resolveThis = false;
fake.reject = true;
fake.returnValueDefined = true;
fake.exception = undefined;
fake.exceptionCreator = undefined;
fake.fakeFn = undefined;
return fake;
},
resolvesThis: function resolvesThis(fake) {
fake.returnValue = undefined;
fake.resolve = false;
fake.resolveThis = true;
fake.reject = false;
fake.returnValueDefined = false;
fake.exception = undefined;
fake.fakeFn = undefined;
},
callThrough: function callThrough(fake) {
fake.callsThrough = true;
},
get: function get(fake, getterFunction) {
var rootStub = fake.stub || fake;
Object.defineProperty(rootStub.rootObj, rootStub.propName, {
get: getterFunction,
configurable: isPropertyConfigurable(rootStub.rootObj, rootStub.propName)
});
return fake;
},
set: function set(fake, setterFunction) {
var rootStub = fake.stub || fake;
Object.defineProperty(rootStub.rootObj, rootStub.propName, { // eslint-disable-line accessor-pairs
set: setterFunction,
configurable: isPropertyConfigurable(rootStub.rootObj, rootStub.propName)
});
return fake;
},
value: function value(fake, newVal) {
var rootStub = fake.stub || fake;
Object.defineProperty(rootStub.rootObj, rootStub.propName, {
value: newVal,
enumerable: true,
configurable: isPropertyConfigurable(rootStub.rootObj, rootStub.propName)
});
return fake;
}
};
function createAsyncVersion(syncFnName) {
return function () {
var result = module.exports[syncFnName].apply(this, arguments);
this.callbackAsync = true;
return result;
};
}
// create asynchronous versions of callsArg* and yields* methods
Object.keys(module.exports).forEach(function (method) {
// need to avoid creating anotherasync versions of the newly added async methods
if (method.match(/^(callsArg|yields)/) && !method.match(/Async/)) {
module.exports[method + "Async"] = createAsyncVersion(method);
}
});