diff --git a/koans/AboutApplyingWhatWeHaveLearnt.js b/koans/AboutApplyingWhatWeHaveLearnt.js index e43eb746a..22f69db43 100644 --- a/koans/AboutApplyingWhatWeHaveLearnt.js +++ b/koans/AboutApplyingWhatWeHaveLearnt.js @@ -12,7 +12,7 @@ describe("About Applying What We Have Learnt", function() { { name: "Blue Moon", ingredients: ["blue cheese", "garlic", "walnuts"], containsNuts: true }, { name: "Taste Of Athens", ingredients: ["spinach", "kalamata olives", "sesame seeds"], containsNuts: true } ]; - }); + }); /*********************************************************************************/ diff --git a/koans/AboutArrays.js b/koans/AboutArrays.js index 6fe4313cc..14ec253eb 100644 --- a/koans/AboutArrays.js +++ b/koans/AboutArrays.js @@ -3,16 +3,16 @@ describe("About Arrays", function() { //We shall contemplate truth by testing reality, via spec expectations. it("should create arrays", function() { var emptyArray = []; - expect(typeof(emptyArray)).toBe(FILL_ME_IN); //A mistake? - http:javascript.crockford.com/remedial.html - expect(emptyArray.length).toBe(FILL_ME_IN); + expect(typeof(emptyArray)).toBe('object'); //A mistake? - http:javascript.crockford.com/remedial.html + expect(emptyArray.length).toBe(0); var multiTypeArray = [0, 1, "two", function () { return 3; }, {value1: 4, value2: 5}, [6, 7]]; - expect(multiTypeArray[0]).toBe(FILL_ME_IN); - expect(multiTypeArray[2]).toBe(FILL_ME_IN); - expect(multiTypeArray[3]()).toBe(FILL_ME_IN); - expect(multiTypeArray[4].value1).toBe(FILL_ME_IN); - expect(multiTypeArray[4]["value2"]).toBe(FILL_ME_IN); - expect(multiTypeArray[5][0]).toBe(FILL_ME_IN); + expect(multiTypeArray[0]).toBe(0); + expect(multiTypeArray[2]).toBe('two'); + expect(multiTypeArray[3]()).toBe(3); + expect(multiTypeArray[4].value1).toBe(4); + expect(multiTypeArray[4]["value2"]).toBe(5); + expect(multiTypeArray[5][0]).toBe(6); }); it("should understand array literals", function () { @@ -23,36 +23,36 @@ describe("About Arrays", function() { expect(array).toEqual([1]); array[1] = 2; - expect(array).toEqual([1, FILL_ME_IN]); + expect(array).toEqual([1, 2]); array.push(3); - expect(array).toEqual(FILL_ME_IN); + expect(array).toEqual([1, 2, 3]); }); it("should understand array length", function () { var fourNumberArray = [1, 2, 3, 4]; - expect(fourNumberArray.length).toBe(FILL_ME_IN); + expect(fourNumberArray.length).toBe(4); fourNumberArray.push(5, 6); - expect(fourNumberArray.length).toBe(FILL_ME_IN); + expect(fourNumberArray.length).toBe(6); var tenEmptyElementArray = new Array(10); - expect(tenEmptyElementArray.length).toBe(FILL_ME_IN); + expect(tenEmptyElementArray.length).toBe(10); tenEmptyElementArray.length = 5; - expect(tenEmptyElementArray.length).toBe(FILL_ME_IN); + expect(tenEmptyElementArray.length).toBe(5); }); it("should slice arrays", function () { var array = ["peanut", "butter", "and", "jelly"]; - expect(array.slice(0, 1)).toEqual(FILL_ME_IN); - expect(array.slice(0, 2)).toEqual(FILL_ME_IN); - expect(array.slice(2, 2)).toEqual(FILL_ME_IN); - expect(array.slice(2, 20)).toEqual(FILL_ME_IN); - expect(array.slice(3, 0)).toEqual(FILL_ME_IN); - expect(array.slice(3, 100)).toEqual(FILL_ME_IN); - expect(array.slice(5, 1)).toEqual(FILL_ME_IN); + expect(array.slice(0, 1)).toEqual(['peanut']); + expect(array.slice(0, 2)).toEqual(['peanut', 'butter']); + expect(array.slice(2, 2)).toEqual([]); + expect(array.slice(2, 20)).toEqual(['and', 'jelly']); + expect(array.slice(3, 0)).toEqual([]); + expect(array.slice(3, 100)).toEqual(['jelly']); + expect(array.slice(5, 1)).toEqual([]); }); it("should know array references", function () { @@ -62,36 +62,36 @@ describe("About Arrays", function() { refArray[1] = "changed in function"; } passedByReference(array); - expect(array[1]).toBe(FILL_ME_IN); + expect(array[1]).toBe("changed in function"); var assignedArray = array; assignedArray[5] = "changed in assignedArray"; - expect(array[5]).toBe(FILL_ME_IN); + expect(array[5]).toBe("changed in assignedArray"); var copyOfArray = array.slice(); copyOfArray[3] = "changed in copyOfArray"; - expect(array[3]).toBe(FILL_ME_IN); + expect(array[3]).toBe('three'); }); it("should push and pop", function () { var array = [1, 2]; array.push(3); - expect(array).toEqual(FILL_ME_IN); + expect(array).toEqual([1, 2, 3]); var poppedValue = array.pop(); - expect(poppedValue).toBe(FILL_ME_IN); - expect(array).toEqual(FILL_ME_IN); + expect(poppedValue).toBe(3); + expect(array).toEqual([1, 2]); }); it("should know about shifting arrays", function () { var array = [1, 2]; array.unshift(3); - expect(array).toEqual(FILL_ME_IN); + expect(array).toEqual([3, 1, 2]); var shiftedValue = array.shift(); - expect(shiftedValue).toEqual(FILL_ME_IN); - expect(array).toEqual(FILL_ME_IN); + expect(shiftedValue).toEqual(3); + expect(array).toEqual([1, 2]); }); }); diff --git a/koans/AboutExpects.js b/koans/AboutExpects.js index 52148b243..5715798a9 100644 --- a/koans/AboutExpects.js +++ b/koans/AboutExpects.js @@ -2,12 +2,12 @@ describe("About Expects", function() { //We shall contemplate truth by testing reality, via spec expectations. it("should expect true", function() { - expect(false).toBeTruthy(); //This should be true + expect(true).toBeTruthy(); //This should be true }); //To understand reality, we must compare our expectations against reality. it("should expect equality", function () { - var expectedValue = FILL_ME_IN; + var expectedValue = 2; var actualValue = 1 + 1; expect(actualValue === expectedValue).toBeTruthy(); @@ -15,7 +15,7 @@ describe("About Expects", function() { //Some ways of asserting equality are better than others. it("should assert equality a better way", function () { - var expectedValue = FILL_ME_IN; + var expectedValue = 2; var actualValue = 1 + 1; // toEqual() compares using common sense equality. @@ -24,7 +24,7 @@ describe("About Expects", function() { //Sometimes you need to be really exact about what you "type". it("should assert equality with ===", function () { - var expectedValue = FILL_ME_IN; + var expectedValue = '2'; var actualValue = (1 + 1).toString(); // toBe() will always use === to compare. @@ -33,6 +33,6 @@ describe("About Expects", function() { //Sometimes we will ask you to fill in the values. it("should have filled in values", function () { - expect(1 + 1).toEqual(FILL_ME_IN); + expect(1 + 1).toEqual(2); }); }); diff --git a/koans/AboutFunctions.js b/koans/AboutFunctions.js index 77b379a3a..1ce6446d2 100644 --- a/koans/AboutFunctions.js +++ b/koans/AboutFunctions.js @@ -6,7 +6,7 @@ describe("About Functions", function() { return a + b; } - expect(add(1, 2)).toBe(FILL_ME_IN); + expect(add(1, 2)).toBe(3); }); it("should know internal variables override outer variables", function () { @@ -21,9 +21,9 @@ describe("About Functions", function() { return message; } - expect(getMessage()).toBe(FILL_ME_IN); - expect(overrideMessage()).toBe(FILL_ME_IN); - expect(message).toBe(FILL_ME_IN); + expect(getMessage()).toBe('Outer'); + expect(overrideMessage()).toBe('Inner'); + expect(message).toBe('Outer'); }); it("should have lexical scoping", function () { @@ -35,7 +35,7 @@ describe("About Functions", function() { } return childfunction(); } - expect(parentfunction()).toBe(FILL_ME_IN); + expect(parentfunction()).toBe('local'); }); it("should use lexical scoping to synthesise functions", function () { @@ -49,7 +49,7 @@ describe("About Functions", function() { var increaseBy3 = makeIncreaseByFunction(3); var increaseBy5 = makeIncreaseByFunction(5); - expect(increaseBy3(10) + increaseBy5(10)).toBe(FILL_ME_IN); + expect(increaseBy3(10) + increaseBy5(10)).toBe(28); }); it("should allow extra function arguments", function () { @@ -58,13 +58,13 @@ describe("About Functions", function() { return firstArg; } - expect(returnFirstArg("first", "second", "third")).toBe(FILL_ME_IN); + expect(returnFirstArg("first", "second", "third")).toBe('first'); function returnSecondArg(firstArg, secondArg) { return secondArg; } - expect(returnSecondArg("only give first arg")).toBe(FILL_ME_IN); + expect(returnSecondArg("only give first arg")).toBe(undefined); function returnAllArgs() { var argsArray = []; @@ -74,7 +74,7 @@ describe("About Functions", function() { return argsArray.join(","); } - expect(returnAllArgs("first", "second", "third")).toBe(FILL_ME_IN); + expect(returnAllArgs("first", "second", "third")).toBe("first,second,third"); }); it("should pass functions as values", function () { @@ -88,21 +88,24 @@ describe("About Functions", function() { }; var praiseSinger = { givePraise: appendRules }; - expect(praiseSinger.givePraise("John")).toBe(FILL_ME_IN); + expect(praiseSinger.givePraise("John")).toBe('John rules!'); praiseSinger.givePraise = appendDoubleRules; - expect(praiseSinger.givePraise("Mary")).toBe(FILL_ME_IN); + expect(praiseSinger.givePraise("Mary")).toBe('Mary totally rules!'); }); it("should use function body as a string", function () { var add = new Function("a", "b", "return a + b;"); - expect(add(1, 2)).toBe(FILL_ME_IN); + expect(add(1, 2)).toBe(3); var multiply = function (a, b) { //An internal comment return a * b; }; - expect(multiply.toString()).toBe(FILL_ME_IN); + expect(multiply.toString()).toBe(`function (a, b) { + //An internal comment + return a * b; + }`); }); }); diff --git a/koans/AboutObjects.js b/koans/AboutObjects.js index 374944e80..760a7a3e2 100644 --- a/koans/AboutObjects.js +++ b/koans/AboutObjects.js @@ -8,12 +8,12 @@ describe("About Objects", function () { }); it("should confirm objects are collections of properties", function () { - expect(meglomaniac.mastermind).toBe(FILL_ME_IN); + expect(meglomaniac.mastermind).toBe("Joker"); }); it("should confirm that properties are case sensitive", function () { - expect(meglomaniac.henchwoman).toBe(FILL_ME_IN); - expect(meglomaniac.henchWoman).toBe(FILL_ME_IN); + expect(meglomaniac.henchwoman).toBe('Harley'); + expect(meglomaniac.henchWoman).toBe(undefined); }); }); @@ -29,7 +29,7 @@ describe("About Objects", function () { }; var battleCry = meglomaniac.battleCry(4); - expect(FILL_ME_IN).toMatch(battleCry); + expect('They are Pinky and the Brain Brain Brain Brain').toMatch(battleCry); }); it("should confirm that when a function is attached to an object, 'this' refers to the object", function () { @@ -44,8 +44,8 @@ describe("About Objects", function () { } }; - expect(currentYear).toBe(FILL_ME_IN); - expect(meglomaniac.calculateAge()).toBe(FILL_ME_IN); + expect(currentYear).toBe(2020); + expect(meglomaniac.calculateAge()).toBe(50); }); describe("'in' keyword", function () { @@ -62,27 +62,27 @@ describe("About Objects", function () { var hasBomb = "theBomb" in meglomaniac; - expect(hasBomb).toBe(FILL_ME_IN); + expect(hasBomb).toBe(true); }); it("should not have the detonator however", function () { var hasDetonator = "theDetonator" in meglomaniac; - expect(hasDetonator).toBe(FILL_ME_IN); + expect(hasDetonator).toBe(false); }); }); it("should know that properties can be added and deleted", function () { var meglomaniac = { mastermind : "Agent Smith", henchman: "Agent Smith" }; - expect("secretary" in meglomaniac).toBe(FILL_ME_IN); + expect("secretary" in meglomaniac).toBe(false); meglomaniac.secretary = "Agent Smith"; - expect("secretary" in meglomaniac).toBe(FILL_ME_IN); + expect("secretary" in meglomaniac).toBe(true); delete meglomaniac.henchman; - expect("henchman" in meglomaniac).toBe(FILL_ME_IN); + expect("henchman" in meglomaniac).toBe(false); }); @@ -96,14 +96,14 @@ describe("About Objects", function () { var colouredCircle = new Circle(5); colouredCircle.colour = "red"; - expect(simpleCircle.colour).toBe(FILL_ME_IN); - expect(colouredCircle.colour).toBe(FILL_ME_IN); + expect(simpleCircle.colour).toBe(undefined); + expect(colouredCircle.colour).toBe('red'); Circle.prototype.describe = function () { return "This circle has a radius of: " + this.radius; }; - expect(simpleCircle.describe()).toBe(FILL_ME_IN); - expect(colouredCircle.describe()).toBe(FILL_ME_IN); + expect(simpleCircle.describe()).toBe("This circle has a radius of: 10"); + expect(colouredCircle.describe()).toBe("This circle has a radius of: 5"); }); });