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Diffstat (limited to 'node_modules/clone/test.js')
-rw-r--r-- | node_modules/clone/test.js | 372 |
1 files changed, 372 insertions, 0 deletions
diff --git a/node_modules/clone/test.js b/node_modules/clone/test.js new file mode 100644 index 000000000..e8b65b3fe --- /dev/null +++ b/node_modules/clone/test.js @@ -0,0 +1,372 @@ +var clone = require('./'); + +function inspect(obj) { + seen = []; + return JSON.stringify(obj, function (key, val) { + if (val != null && typeof val == "object") { + if (seen.indexOf(val) >= 0) { + return '[cyclic]'; + } + + seen.push(val); + } + + return val; + }); +} + +// Creates a new VM in node, or an iframe in a browser in order to run the +// script +function apartContext(context, script, callback) { + var vm = require('vm'); + + if (vm) { + var ctx = vm.createContext({ ctx: context }); + callback(vm.runInContext(script, ctx)); + } else if (document && document.createElement) { + var iframe = document.createElement('iframe'); + iframe.style.display = 'none'; + document.body.appendChild(iframe); + + var myCtxId = 'tmpCtx' + Math.random(); + + window[myCtxId] = context; + iframe.src = 'test-apart-ctx.html?' + myCtxId + '&' + encodeURIComponent(script); + iframe.onload = function() { + try { + callback(iframe.contentWindow.results); + } catch (e) { + throw e; + } + }; + } else { + console.log('WARNING: cannot create an apart context.'); + } +} + +exports["clone string"] = function (test) { + test.expect(2); // how many tests? + + var a = "foo"; + test.strictEqual(clone(a), a); + a = ""; + test.strictEqual(clone(a), a); + + test.done(); +}; + +exports["clone number"] = function (test) { + test.expect(5); // how many tests? + + var a = 0; + test.strictEqual(clone(a), a); + a = 1; + test.strictEqual(clone(a), a); + a = -1000; + test.strictEqual(clone(a), a); + a = 3.1415927; + test.strictEqual(clone(a), a); + a = -3.1415927; + test.strictEqual(clone(a), a); + + test.done(); +}; + +exports["clone date"] = function (test) { + test.expect(3); // how many tests? + + var a = new Date; + var c = clone(a); + test.ok(!!a.getUTCDate && !!a.toUTCString); + test.ok(!!c.getUTCDate && !!c.toUTCString); + test.equal(a.getTime(), c.getTime()); + + test.done(); +}; + +exports["clone object"] = function (test) { + test.expect(1); // how many tests? + + var a = { foo: { bar: "baz" } }; + var b = clone(a); + + test.deepEqual(b, a); + + test.done(); +}; + +exports["clone array"] = function (test) { + test.expect(2); // how many tests? + + var a = [ + { foo: "bar" }, + "baz" + ]; + var b = clone(a); + + test.ok(b instanceof Array); + test.deepEqual(b, a); + + test.done(); +}; + +exports["clone buffer"] = function (test) { + if (typeof Buffer == 'undefined') { + return test.done(); + } + + test.expect(1); + + var a = new Buffer("this is a test buffer"); + var b = clone(a); + + // no underscore equal since it has no concept of Buffers + test.deepEqual(b, a); + test.done(); +}; + +exports["clone regexp"] = function (test) { + test.expect(5); + + var a = /abc123/gi; + var b = clone(a); + test.deepEqual(b, a); + + var c = /a/g; + test.ok(c.lastIndex === 0); + + c.exec('123a456a'); + test.ok(c.lastIndex === 4); + + var d = clone(c); + test.ok(d.global); + test.ok(d.lastIndex === 4); + + test.done(); +}; + +exports["clone object containing array"] = function (test) { + test.expect(1); // how many tests? + + var a = { + arr1: [ { a: '1234', b: '2345' } ], + arr2: [ { c: '345', d: '456' } ] + }; + + var b = clone(a); + + test.deepEqual(b, a); + + test.done(); +}; + +exports["clone object with circular reference"] = function (test) { + test.expect(8); // how many tests? + + var c = [1, "foo", {'hello': 'bar'}, function () {}, false, [2]]; + var b = [c, 2, 3, 4]; + + var a = {'b': b, 'c': c}; + a.loop = a; + a.loop2 = a; + c.loop = c; + c.aloop = a; + + var aCopy = clone(a); + test.ok(a != aCopy); + test.ok(a.c != aCopy.c); + test.ok(aCopy.c == aCopy.b[0]); + test.ok(aCopy.c.loop.loop.aloop == aCopy); + test.ok(aCopy.c[0] == a.c[0]); + + test.ok(eq(a, aCopy)); + aCopy.c[0] = 2; + test.ok(!eq(a, aCopy)); + aCopy.c = "2"; + test.ok(!eq(a, aCopy)); + + function eq(x, y) { + return inspect(x) === inspect(y); + } + + test.done(); +}; + +exports['clone prototype'] = function (test) { + test.expect(3); // how many tests? + + var a = { + a: "aaa", + x: 123, + y: 45.65 + }; + var b = clone.clonePrototype(a); + + test.strictEqual(b.a, a.a); + test.strictEqual(b.x, a.x); + test.strictEqual(b.y, a.y); + + test.done(); +}; + +exports['clone within an apart context'] = function (test) { + var results = apartContext({ clone: clone }, + "results = ctx.clone({ a: [1, 2, 3], d: new Date(), r: /^foo$/ig })", + function (results) { + test.ok(results.a.constructor.toString() === Array.toString()); + test.ok(results.d.constructor.toString() === Date.toString()); + test.ok(results.r.constructor.toString() === RegExp.toString()); + test.done(); + }); +}; + +exports['clone object with no constructor'] = function (test) { + test.expect(3); + + var n = null; + + var a = { foo: 'bar' }; + a.__proto__ = n; + test.ok(typeof a === 'object'); + test.ok(typeof a !== null); + + var b = clone(a); + test.ok(a.foo, b.foo); + + test.done(); +}; + +exports['clone object with depth argument'] = function (test) { + test.expect(6); + + var a = { + foo: { + bar : { + baz : 'qux' + } + } + }; + + var b = clone(a, false, 1); + test.deepEqual(b, a); + test.notEqual(b, a); + test.strictEqual(b.foo, a.foo); + + b = clone(a, true, 2); + test.deepEqual(b, a); + test.notEqual(b.foo, a.foo); + test.strictEqual(b.foo.bar, a.foo.bar); + + test.done(); +}; + +exports['maintain prototype chain in clones'] = function (test) { + test.expect(1); + + function T() {} + + var a = new T(); + var b = clone(a); + test.strictEqual(Object.getPrototypeOf(a), Object.getPrototypeOf(b)); + + test.done(); +}; + +exports['parent prototype is overriden with prototype provided'] = function (test) { + test.expect(1); + + function T() {} + + var a = new T(); + var b = clone(a, true, Infinity, null); + test.strictEqual(b.__defineSetter__, undefined); + + test.done(); +}; + +exports['clone object with null children'] = function (test) { + test.expect(1); + var a = { + foo: { + bar: null, + baz: { + qux: false + } + } + }; + + var b = clone(a); + + test.deepEqual(b, a); + test.done(); +}; + +exports['clone instance with getter'] = function (test) { + test.expect(1); + function Ctor() {}; + Object.defineProperty(Ctor.prototype, 'prop', { + configurable: true, + enumerable: true, + get: function() { + return 'value'; + } + }); + + var a = new Ctor(); + var b = clone(a); + + test.strictEqual(b.prop, 'value'); + test.done(); +}; + +exports['get RegExp flags'] = function (test) { + test.strictEqual(clone.__getRegExpFlags(/a/), '' ); + test.strictEqual(clone.__getRegExpFlags(/a/i), 'i' ); + test.strictEqual(clone.__getRegExpFlags(/a/g), 'g' ); + test.strictEqual(clone.__getRegExpFlags(/a/gi), 'gi'); + test.strictEqual(clone.__getRegExpFlags(/a/m), 'm' ); + + test.done(); +}; + +exports["recognize Array object"] = function (test) { + var results = apartContext(null, "results = [1, 2, 3]", function(alien) { + var local = [4, 5, 6]; + test.ok(clone.__isArray(alien)); // recognize in other context. + test.ok(clone.__isArray(local)); // recognize in local context. + test.ok(!clone.__isDate(alien)); + test.ok(!clone.__isDate(local)); + test.ok(!clone.__isRegExp(alien)); + test.ok(!clone.__isRegExp(local)); + test.done(); + }); +}; + +exports["recognize Date object"] = function (test) { + var results = apartContext(null, "results = new Date()", function(alien) { + var local = new Date(); + + test.ok(clone.__isDate(alien)); // recognize in other context. + test.ok(clone.__isDate(local)); // recognize in local context. + test.ok(!clone.__isArray(alien)); + test.ok(!clone.__isArray(local)); + test.ok(!clone.__isRegExp(alien)); + test.ok(!clone.__isRegExp(local)); + + test.done(); + }); +}; + +exports["recognize RegExp object"] = function (test) { + var results = apartContext(null, "results = /foo/", function(alien) { + var local = /bar/; + + test.ok(clone.__isRegExp(alien)); // recognize in other context. + test.ok(clone.__isRegExp(local)); // recognize in local context. + test.ok(!clone.__isArray(alien)); + test.ok(!clone.__isArray(local)); + test.ok(!clone.__isDate(alien)); + test.ok(!clone.__isDate(local)); + test.done(); + }); +}; |