/
sandbox.js
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/
sandbox.js
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"use strict";
var arrayProto = require("@sinonjs/commons").prototypes.array;
var collectOwnMethods = require("./collect-own-methods");
var getPropertyDescriptor = require("./util/core/get-property-descriptor");
var isEsModule = require("./util/core/is-es-module");
var isPropertyConfigurable = require("./util/core/is-property-configurable");
var isNonExistentOwnProperty = require("./util/core/is-non-existent-own-property");
var match = require("@sinonjs/samsam").createMatcher;
var sinonAssert = require("./assert");
var sinonClock = require("./util/fake-timers");
var sinonMock = require("./mock");
var sinonSpy = require("./spy");
var sinonStub = require("./stub");
var sinonFake = require("./fake");
var valueToString = require("@sinonjs/commons").valueToString;
var fakeServer = require("nise").fakeServer;
var fakeXhr = require("nise").fakeXhr;
var usePromiseLibrary = require("./util/core/use-promise-library");
var filter = arrayProto.filter;
var forEach = arrayProto.filter;
var push = arrayProto.push;
var reverse = arrayProto.reverse;
function applyOnEach(fakes, method) {
var matchingFakes = filter(fakes, function(fake) {
return typeof fake[method] === "function";
});
forEach(matchingFakes, function(fake) {
fake[method]();
});
}
function Sandbox() {
var sandbox = this;
var collection = [];
var fakeRestorers = [];
var promiseLib;
sandbox.serverPrototype = fakeServer;
// this is for testing only
sandbox.getFakes = function getFakes() {
return collection;
};
// this is for testing only
sandbox.getRestorers = function() {
return fakeRestorers;
};
sandbox.createStubInstance = function createStubInstance(constructor) {
if (typeof constructor !== "function") {
throw new TypeError("The constructor should be a function.");
}
return this.stub(Object.create(constructor.prototype));
};
sandbox.inject = function inject(obj) {
obj.spy = function() {
return sandbox.spy.apply(null, arguments);
};
obj.stub = function() {
return sandbox.stub.apply(null, arguments);
};
obj.mock = function() {
return sandbox.mock.apply(null, arguments);
};
obj.createStubInstance = function() {
return sandbox.createStubInstance.apply(sandbox, arguments);
};
obj.fake = function() {
return sandbox.fake.apply(null, arguments);
};
obj.replace = function() {
return sandbox.replace.apply(null, arguments);
};
obj.replaceSetter = function() {
return sandbox.replaceSetter.apply(null, arguments);
};
obj.replaceGetter = function() {
return sandbox.replaceGetter.apply(null, arguments);
};
if (sandbox.clock) {
obj.clock = sandbox.clock;
}
if (sandbox.server) {
obj.server = sandbox.server;
obj.requests = sandbox.server.requests;
}
obj.match = match;
return obj;
};
sandbox.mock = function mock() {
var m = sinonMock.apply(null, arguments);
push(collection, m);
usePromiseLibrary(promiseLib, m);
return m;
};
sandbox.reset = function reset() {
applyOnEach(collection, "reset");
applyOnEach(collection, "resetHistory");
};
sandbox.resetBehavior = function resetBehavior() {
applyOnEach(collection, "resetBehavior");
};
sandbox.resetHistory = function resetHistory() {
function privateResetHistory(f) {
var method = f.resetHistory || f.reset;
if (method) {
method.call(f);
}
}
forEach(collection, function(fake) {
if (typeof fake === "function") {
privateResetHistory(fake);
return;
}
var methods = [];
if (fake.get) {
push(methods, fake.get);
}
if (fake.set) {
push(methods, fake.set);
}
forEach(methods, privateResetHistory);
});
};
sandbox.restore = function restore() {
if (arguments.length) {
throw new Error("sandbox.restore() does not take any parameters. Perhaps you meant stub.restore()");
}
reverse(collection);
applyOnEach(collection, "restore");
collection = [];
forEach(fakeRestorers, function(restorer) {
restorer();
});
fakeRestorers = [];
sandbox.restoreContext();
};
sandbox.restoreContext = function restoreContext() {
var injectedKeys = sandbox.injectedKeys;
var injectInto = sandbox.injectInto;
if (!injectedKeys) {
return;
}
forEach(injectedKeys, function(injectedKey) {
delete injectInto[injectedKey];
});
injectedKeys = [];
};
function getFakeRestorer(object, property) {
var descriptor = getPropertyDescriptor(object, property);
function restorer() {
Object.defineProperty(object, property, descriptor);
}
restorer.object = object;
restorer.property = property;
return restorer;
}
function verifyNotReplaced(object, property) {
forEach(fakeRestorers, function(fakeRestorer) {
if (fakeRestorer.object === object && fakeRestorer.property === property) {
throw new TypeError("Attempted to replace " + property + " which is already replaced");
}
});
}
sandbox.replace = function replace(object, property, replacement) {
var descriptor = getPropertyDescriptor(object, property);
if (typeof descriptor === "undefined") {
throw new TypeError("Cannot replace non-existent own property " + valueToString(property));
}
if (typeof replacement === "undefined") {
throw new TypeError("Expected replacement argument to be defined");
}
if (typeof descriptor.get === "function") {
throw new Error("Use sandbox.replaceGetter for replacing getters");
}
if (typeof descriptor.set === "function") {
throw new Error("Use sandbox.replaceSetter for replacing setters");
}
if (typeof object[property] !== typeof replacement) {
throw new TypeError("Cannot replace " + typeof object[property] + " with " + typeof replacement);
}
verifyNotReplaced(object, property);
// store a function for restoring the replaced property
push(fakeRestorers, getFakeRestorer(object, property));
object[property] = replacement;
return replacement;
};
sandbox.replaceGetter = function replaceGetter(object, property, replacement) {
var descriptor = getPropertyDescriptor(object, property);
if (typeof descriptor === "undefined") {
throw new TypeError("Cannot replace non-existent own property " + valueToString(property));
}
if (typeof replacement !== "function") {
throw new TypeError("Expected replacement argument to be a function");
}
if (typeof descriptor.get !== "function") {
throw new Error("`object.property` is not a getter");
}
verifyNotReplaced(object, property);
// store a function for restoring the replaced property
push(fakeRestorers, getFakeRestorer(object, property));
Object.defineProperty(object, property, {
get: replacement,
configurable: isPropertyConfigurable(object, property)
});
return replacement;
};
sandbox.replaceSetter = function replaceSetter(object, property, replacement) {
var descriptor = getPropertyDescriptor(object, property);
if (typeof descriptor === "undefined") {
throw new TypeError("Cannot replace non-existent own property " + valueToString(property));
}
if (typeof replacement !== "function") {
throw new TypeError("Expected replacement argument to be a function");
}
if (typeof descriptor.set !== "function") {
throw new Error("`object.property` is not a setter");
}
verifyNotReplaced(object, property);
// store a function for restoring the replaced property
push(fakeRestorers, getFakeRestorer(object, property));
// eslint-disable-next-line accessor-pairs
Object.defineProperty(object, property, {
set: replacement,
configurable: isPropertyConfigurable(object, property)
});
return replacement;
};
sandbox.spy = function spy() {
var s = sinonSpy.apply(sinonSpy, arguments);
push(collection, s);
return s;
};
sandbox.stub = function stub(object, property) {
if (isEsModule(object)) {
throw new TypeError("ES Modules cannot be stubbed");
}
if (isNonExistentOwnProperty(object, property)) {
throw new TypeError("Cannot stub non-existent own property " + valueToString(property));
}
var stubbed = sinonStub.apply(null, arguments);
var isStubbingEntireObject = typeof property === "undefined" && typeof object === "object";
if (isStubbingEntireObject) {
var ownMethods = collectOwnMethods(stubbed);
forEach(ownMethods, function(method) {
push(collection, method);
});
usePromiseLibrary(promiseLib, ownMethods);
} else {
push(collection, stubbed);
usePromiseLibrary(promiseLib, stubbed);
}
return stubbed;
};
// eslint-disable-next-line no-unused-vars
sandbox.fake = function fake(f) {
var s = sinonFake.apply(sinonFake, arguments);
push(collection, s);
return s;
};
forEach(Object.keys(sinonFake), function(key) {
var fakeBehavior = sinonFake[key];
if (typeof fakeBehavior === "function") {
sandbox.fake[key] = function() {
var s = fakeBehavior.apply(fakeBehavior, arguments);
push(collection, s);
return s;
};
}
});
sandbox.useFakeTimers = function useFakeTimers(args) {
var clock = sinonClock.useFakeTimers.call(null, args);
sandbox.clock = clock;
push(collection, clock);
return clock;
};
sandbox.verify = function verify() {
applyOnEach(collection, "verify");
};
sandbox.verifyAndRestore = function verifyAndRestore() {
var exception;
try {
sandbox.verify();
} catch (e) {
exception = e;
}
sandbox.restore();
if (exception) {
throw exception;
}
};
sandbox.useFakeServer = function useFakeServer() {
var proto = sandbox.serverPrototype || fakeServer;
if (!proto || !proto.create) {
return null;
}
sandbox.server = proto.create();
push(collection, sandbox.server);
return sandbox.server;
};
sandbox.useFakeXMLHttpRequest = function useFakeXMLHttpRequest() {
var xhr = fakeXhr.useFakeXMLHttpRequest();
push(collection, xhr);
return xhr;
};
sandbox.usingPromise = function usingPromise(promiseLibrary) {
promiseLib = promiseLibrary;
collection.promiseLibrary = promiseLibrary;
return sandbox;
};
}
Sandbox.prototype.assert = sinonAssert;
Sandbox.prototype.match = match;
module.exports = Sandbox;