337 lines
12 KiB
JavaScript
337 lines
12 KiB
JavaScript
describe("jasmineUnderTest.pp", function () {
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it("should wrap strings in single quotes", function() {
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expect(jasmineUnderTest.pp("some string")).toEqual("'some string'");
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expect(jasmineUnderTest.pp("som' string")).toEqual("'som' string'");
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});
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it("should stringify primitives properly", function() {
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expect(jasmineUnderTest.pp(true)).toEqual("true");
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expect(jasmineUnderTest.pp(false)).toEqual("false");
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expect(jasmineUnderTest.pp(null)).toEqual("null");
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expect(jasmineUnderTest.pp(jasmine.undefined)).toEqual("undefined");
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expect(jasmineUnderTest.pp(3)).toEqual("3");
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expect(jasmineUnderTest.pp(-3.14)).toEqual("-3.14");
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expect(jasmineUnderTest.pp(-0)).toEqual("-0");
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});
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describe('stringify sets', function() {
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it("should stringify sets properly", function() {
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jasmine.getEnv().requireFunctioningSets();
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var set = new Set();
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set.add(1);
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set.add(2);
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expect(jasmineUnderTest.pp(set)).toEqual("Set( 1, 2 )");
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});
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it("should truncate sets with more elments than jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH", function() {
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jasmine.getEnv().requireFunctioningSets();
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var originalMaxSize = jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH;
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try {
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jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH = 2;
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var set = new Set();
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set.add('a');
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set.add('b');
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set.add('c');
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expect(jasmineUnderTest.pp(set)).toEqual("Set( 'a', 'b', ... )");
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} finally {
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jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH = originalMaxSize;
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}
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})
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});
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describe('stringify maps', function() {
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it("should stringify maps properly", function() {
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jasmine.getEnv().requireFunctioningMaps();
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var map = new Map();
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map.set(1,2);
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expect(jasmineUnderTest.pp(map)).toEqual("Map( [ 1, 2 ] )");
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});
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it("should truncate maps with more elments than jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH", function() {
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jasmine.getEnv().requireFunctioningMaps();
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var originalMaxSize = jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH;
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try {
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jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH = 2;
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var map = new Map();
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map.set("a",1);
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map.set("b",2);
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map.set("c",3);
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expect(jasmineUnderTest.pp(map)).toEqual("Map( [ 'a', 1 ], [ 'b', 2 ], ... )");
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} finally {
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jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH = originalMaxSize;
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}
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})
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});
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describe('stringify arrays', function() {
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it("should stringify arrays properly", function() {
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expect(jasmineUnderTest.pp([1, 2])).toEqual("[ 1, 2 ]");
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expect(jasmineUnderTest.pp([1, 'foo', {}, jasmine.undefined, null])).toEqual("[ 1, 'foo', Object({ }), undefined, null ]");
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});
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it("should truncate arrays that are longer than jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH", function() {
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var originalMaxLength = jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH;
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var array = [1, 2, 3];
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try {
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jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH = 2;
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expect(jasmineUnderTest.pp(array)).toEqual("[ 1, 2, ... ]");
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} finally {
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jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH = originalMaxLength;
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}
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});
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it("should stringify arrays with properties properly", function() {
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var arr = [1, 2];
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arr.foo = 'bar';
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arr.baz = {};
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expect(jasmineUnderTest.pp(arr)).toEqual("[ 1, 2, foo: 'bar', baz: Object({ }) ]");
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});
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it("should stringify empty arrays with properties properly", function() {
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var empty = [];
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empty.foo = 'bar';
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empty.baz = {};
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expect(jasmineUnderTest.pp(empty)).toEqual("[ foo: 'bar', baz: Object({ }) ]");
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});
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it("should stringify long arrays with properties properly", function() {
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var originalMaxLength = jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH;
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var long = [1,2,3];
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long.foo = 'bar';
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long.baz = {};
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try {
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jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH = 2;
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expect(jasmineUnderTest.pp(long)).toEqual("[ 1, 2, ..., foo: 'bar', baz: Object({ }) ]");
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} finally {
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jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH = originalMaxLength;
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}
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});
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it("should indicate circular array references", function() {
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var array1 = [1, 2];
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var array2 = [array1];
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array1.push(array2);
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expect(jasmineUnderTest.pp(array1)).toEqual("[ 1, 2, [ <circular reference: Array> ] ]");
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});
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it("should not indicate circular references incorrectly", function() {
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var array = [ [1] ];
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expect(jasmineUnderTest.pp(array)).toEqual("[ [ 1 ] ]");
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});
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});
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it("should stringify objects properly", function() {
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expect(jasmineUnderTest.pp({foo: 'bar'})).toEqual("Object({ foo: 'bar' })");
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expect(jasmineUnderTest.pp({foo:'bar', baz:3, nullValue: null, undefinedValue: jasmine.undefined})).toEqual("Object({ foo: 'bar', baz: 3, nullValue: null, undefinedValue: undefined })");
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expect(jasmineUnderTest.pp({foo: function () {
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}, bar: [1, 2, 3]})).toEqual("Object({ foo: Function, bar: [ 1, 2, 3 ] })");
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});
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it("should stringify objects that almost look like DOM nodes", function() {
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expect(jasmineUnderTest.pp({nodeType: 1})).toEqual("Object({ nodeType: 1 })");
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});
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it("should truncate objects with too many keys", function () {
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var originalMaxLength = jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH;
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var long = {a: 1, b: 2, c: 3};
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try {
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jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH = 2;
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expect(jasmineUnderTest.pp(long)).toEqual("Object({ a: 1, b: 2, ... })");
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} finally {
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jasmineUnderTest.MAX_PRETTY_PRINT_ARRAY_LENGTH = originalMaxLength;
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}
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});
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function withMaxChars(maxChars, fn) {
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var originalMaxChars = jasmineUnderTest.MAX_PRETTY_PRINT_CHARS;
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try {
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jasmineUnderTest.MAX_PRETTY_PRINT_CHARS = maxChars;
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fn();
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} finally {
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jasmineUnderTest.MAX_PRETTY_PRINT_CHARS = originalMaxChars;
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}
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}
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it("should truncate outputs that are too long", function() {
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var big = [
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{ a: 1, b: "a long string" },
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{}
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];
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withMaxChars(34, function() {
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expect(jasmineUnderTest.pp(big)).toEqual("[ Object({ a: 1, b: 'a long st ...");
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});
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});
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it("should not serialize more objects after hitting MAX_PRETTY_PRINT_CHARS", function() {
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var a = { jasmineToString: function() { return 'object a'; } },
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b = { jasmineToString: function() { return 'object b'; } },
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c = { jasmineToString: jasmine.createSpy('c jasmineToString').and.returnValue('') },
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d = { jasmineToString: jasmine.createSpy('d jasmineToString').and.returnValue('') };
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withMaxChars(30, function() {
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jasmineUnderTest.pp([{a: a, b: b, c: c}, d]);
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expect(c.jasmineToString).not.toHaveBeenCalled();
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expect(d.jasmineToString).not.toHaveBeenCalled();
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});
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});
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it("should print 'null' as the constructor of an object with its own constructor property", function() {
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expect(jasmineUnderTest.pp({constructor: function() {}})).toContain("null({");
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expect(jasmineUnderTest.pp({constructor: 'foo'})).toContain("null({");
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});
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it("should not include inherited properties when stringifying an object", function() {
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var SomeClass = function SomeClass() {};
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SomeClass.prototype.foo = "inherited foo";
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var instance = new SomeClass();
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instance.bar = "my own bar";
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expect(jasmineUnderTest.pp(instance)).toEqual("SomeClass({ bar: 'my own bar' })");
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});
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it("should not recurse objects and arrays more deeply than jasmineUnderTest.MAX_PRETTY_PRINT_DEPTH", function() {
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var originalMaxDepth = jasmineUnderTest.MAX_PRETTY_PRINT_DEPTH;
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var nestedObject = { level1: { level2: { level3: { level4: "leaf" } } } };
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var nestedArray = [1, [2, [3, [4, "leaf"]]]];
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try {
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jasmineUnderTest.MAX_PRETTY_PRINT_DEPTH = 2;
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expect(jasmineUnderTest.pp(nestedObject)).toEqual("Object({ level1: Object({ level2: Object }) })");
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expect(jasmineUnderTest.pp(nestedArray)).toEqual("[ 1, [ 2, Array ] ]");
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jasmineUnderTest.MAX_PRETTY_PRINT_DEPTH = 3;
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expect(jasmineUnderTest.pp(nestedObject)).toEqual("Object({ level1: Object({ level2: Object({ level3: Object }) }) })");
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expect(jasmineUnderTest.pp(nestedArray)).toEqual("[ 1, [ 2, [ 3, Array ] ] ]");
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jasmineUnderTest.MAX_PRETTY_PRINT_DEPTH = 4;
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expect(jasmineUnderTest.pp(nestedObject)).toEqual("Object({ level1: Object({ level2: Object({ level3: Object({ level4: 'leaf' }) }) }) })");
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expect(jasmineUnderTest.pp(nestedArray)).toEqual("[ 1, [ 2, [ 3, [ 4, 'leaf' ] ] ] ]");
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} finally {
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jasmineUnderTest.MAX_PRETTY_PRINT_DEPTH = originalMaxDepth;
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}
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});
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it("should stringify immutable circular objects", function(){
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if(Object.freeze){
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var frozenObject = {foo: {bar: 'baz'}};
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frozenObject.circular = frozenObject;
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frozenObject = Object.freeze(frozenObject);
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expect(jasmineUnderTest.pp(frozenObject)).toEqual("Object({ foo: Object({ bar: 'baz' }), circular: <circular reference: Object> })");
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}
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});
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it("should stringify RegExp objects properly", function() {
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expect(jasmineUnderTest.pp(/x|y|z/)).toEqual("/x|y|z/");
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});
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it("should indicate circular object references", function() {
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var sampleValue = {foo: 'hello'};
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sampleValue.nested = sampleValue;
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expect(jasmineUnderTest.pp(sampleValue)).toEqual("Object({ foo: 'hello', nested: <circular reference: Object> })");
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});
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it("should indicate getters on objects as such", function() {
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var sampleValue = {id: 1};
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if (sampleValue.__defineGetter__) {
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//not supported in IE!
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sampleValue.__defineGetter__('calculatedValue', function() {
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throw new Error("don't call me!");
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});
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}
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if (sampleValue.__defineGetter__) {
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expect(jasmineUnderTest.pp(sampleValue)).toEqual("Object({ id: 1, calculatedValue: <getter> })");
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}
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else {
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expect(jasmineUnderTest.pp(sampleValue)).toEqual("Object({ id: 1 })");
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}
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});
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it('should not do HTML escaping of strings', function() {
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expect(jasmineUnderTest.pp('some <b>html string</b> &', false)).toEqual('\'some <b>html string</b> &\'');
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});
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it("should abbreviate the global (usually window) object", function() {
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expect(jasmineUnderTest.pp(jasmine.getGlobal())).toEqual("<global>");
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});
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it("should stringify Date objects properly", function() {
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var now = new Date();
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expect(jasmineUnderTest.pp(now)).toEqual("Date(" + now.toString() + ")");
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});
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it("should stringify spy objects properly", function() {
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var TestObject = {
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someFunction: function() {}
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},
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env = new jasmineUnderTest.Env();
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var spyRegistry = new jasmineUnderTest.SpyRegistry({
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currentSpies: function() {return [];},
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createSpy: function(name, originalFn) {
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return jasmineUnderTest.Spy(name, originalFn);
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}
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});
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spyRegistry.spyOn(TestObject, 'someFunction');
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expect(jasmineUnderTest.pp(TestObject.someFunction)).toEqual("spy on someFunction");
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expect(jasmineUnderTest.pp(env.createSpy("something"))).toEqual("spy on something");
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});
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it("should stringify objects that implement jasmineToString", function () {
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var obj = {
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jasmineToString: function () { return "strung"; }
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};
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expect(jasmineUnderTest.pp(obj)).toEqual("strung");
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});
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it("should stringify objects that implement custom toString", function () {
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var obj = {
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toString: function () { return "my toString"; }
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};
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expect(jasmineUnderTest.pp(obj)).toEqual("my toString");
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// Simulate object from another global context (e.g. an iframe or Web Worker) that does not actually have a custom
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// toString despite obj.toString !== Object.prototype.toString
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var objFromOtherContext = {
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foo: 'bar',
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toString: function () { return Object.prototype.toString.call(this); }
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};
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expect(jasmineUnderTest.pp(objFromOtherContext)).toEqual("Object({ foo: 'bar', toString: Function })");
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});
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it("should stringify objects have have a toString that isn't a function", function() {
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var obj = {
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toString: "foo"
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};
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expect(jasmineUnderTest.pp(obj)).toEqual("Object({ toString: 'foo' })");
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});
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it("should stringify objects from anonymous constructors with custom toString", function () {
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var MyAnonymousConstructor = (function() { return function () {}; })();
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MyAnonymousConstructor.toString = function () { return ''; };
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var a = new MyAnonymousConstructor();
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expect(jasmineUnderTest.pp(a)).toEqual("<anonymous>({ })");
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});
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it("should handle objects with null prototype", function() {
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var obj = Object.create(null);
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obj.foo = 'bar';
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expect(jasmineUnderTest.pp(obj)).toEqual("null({ foo: 'bar' })");
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});
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});
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