diff options
Diffstat (limited to 'test/__set__.test.js')
-rw-r--r-- | test/__set__.test.js | 89 |
1 files changed, 8 insertions, 81 deletions
diff --git a/test/__set__.test.js b/test/__set__.test.js index fe6f529..c883c27 100644 --- a/test/__set__.test.js +++ b/test/__set__.test.js @@ -1,7 +1,5 @@ var expect = require("expect.js"), - setModule = require("../lib/__set__.js") - __set__ = setModule["__set__"], - __with__ = setModule["__with__"], + __set__ = require("../lib/__set__.js"), vm = require("vm"), expectReferenceError = expectError(ReferenceError), @@ -18,12 +16,15 @@ describe("__set__", function () { beforeEach(function () { moduleFake = { + module: { + exports: {} + }, myValue: 0, // copy by value myReference: {} // copy by reference }; vm.runInNewContext( - "__set__ = " + __set__.toString() + "; " + + "__set__ = module.exports.__set__ = " + __set__.toString() + "; " + "getValue = function () { return myValue; }; " + "getReference = function () { return myReference; }; ", moduleFake @@ -72,10 +73,10 @@ describe("__set__", function () { expect(moduleFake.getReference()).to.be(newObj); }); it("should return a function that when invoked reverts to the values before set was called", function () { - undo = moduleFake.__set__("myValue", 4) + undo = moduleFake.__set__("myValue", 4); expect(typeof undo).to.be("function"); expect(moduleFake.getValue()).to.be(4); - undo() + undo(); expect(moduleFake.getValue()).to.be(0); }); it("should be able to revert when calling with an env-obj", function () { @@ -126,78 +127,4 @@ describe("__set__", function () { moduleFake.__set__("someVar"); // misfitting number of params }).to.throwException(expectTypeError); }); -}); - -describe("__with__", function() { - var moduleFake; - - beforeEach(function () { - moduleFake = { - myValue: 0, // copy by value - myReference: {} // copy by reference - }; - - //__with__ requires __set__ to be in scope - vm.runInNewContext( - "__set__ = " + __set__.toString() + "; " + - "__with__ = " + __with__.toString() + "; " + - "getValue = function () { return myValue; }; " + - "getReference = function () { return myReference; }; ", - moduleFake - ); - }); - - it("should return a function that can be invoked with a callback which guarantees __sets__ undo function is called for you at the end", function () { - var newObj = { hello: "hello" }; - - expect(moduleFake.getValue()).to.be(0); - expect(moduleFake.getReference()).to.eql({}); - - moduleFake.__with__({ - myValue: 2, - myReference: newObj - })(function() { - //changes will be visible from within this callback function - expect(moduleFake.getValue()).to.be(2); - expect(moduleFake.getReference()).to.be(newObj); - }) - - //undo will automatically get called for you after returning from your callback function - expect(moduleFake.getValue()).to.be(0); - expect(moduleFake.getReference()).to.eql({}); - }); - - it("should still revert values if the callback throws an exception", function(){ - var newObj = { hello: "hello" }; - function withError(){ - moduleFake.__with__({ - myValue: 2, - myReference: newObj - })(function() { - throw new Error("something went wrong..."); - }) - } - expect(withError).to.throwError(); - expect(moduleFake.getValue()).to.be(0); - expect(moduleFake.getReference()).to.eql({}); - }); - - it("should throw an error if something other than a function is passed as the callback", function() { - var newObj = { hello: "hello" }, - withFunction = moduleFake.__with__({ - myValue: 2, - myReference: newObj - }) - callWithFunction = function(){ - var args = arguments; - return function() { - withFunction.apply(null, args); - }; - }; - - expect(callWithFunction(1)).to.throwError(); - expect(callWithFunction("a string")).to.throwError(); - expect(callWithFunction({})).to.throwError(); - expect(callWithFunction(function(){})).to.not.throwError(); - }); -}); +});
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