/test/unit/enumerable_test.js
JavaScript | 420 lines | 350 code | 66 blank | 4 comment | 12 complexity | 6064ffbdcec6da199cc82a6113c1dbfc MD5 | raw file
- function prime(value) {
- for (var i = 2; i < value; i++)
- if (value % i == 0) return false;
- return true;
- }
- new Test.Unit.Runner({
- testEachBreak: function() {
- var result = 0;
- Fixtures.Basic.each(function(value) {
- if ((result = value) == 2) throw $break;
- });
-
- this.assertEqual(2, result);
- },
-
- testEachReturnActsAsContinue: function() {
- var results = [];
- Fixtures.Basic.each(function(value) {
- if (value == 2) return;
- results.push(value);
- });
-
- this.assertEqual('1, 3', results.join(', '));
- },
-
- "test #each passes value, index and collection to the iterator": function() {
- var i = 0;
- Fixtures.Basic.each(function(value, index, collection) {
- this.assertIdentical(Fixtures.Basic[i], value);
- this.assertIdentical(i, index);
- this.assertIdentical(Fixtures.Basic, collection);
- i++;
- }, this);
- },
-
- testEachChaining: function() {
- this.assertEqual(Fixtures.Primes, Fixtures.Primes.each(Prototype.emptyFunction));
- this.assertEqual(3, Fixtures.Basic.each(Prototype.emptyFunction).length);
- },
- testEnumContext: function() {
- var results = [];
- Fixtures.Basic.each(function(value) {
- results.push(value * this.i);
- }, { i: 2 });
-
- this.assertEqual('2 4 6', results.join(' '));
- this.assert(Fixtures.Basic.all(function(value){
- return value >= this.min && value <= this.max;
- }, { min: 1, max: 3 }));
- this.assert(!Fixtures.Basic.all(function(value){
- return value >= this.min && value <= this.max;
- }));
- this.assert(Fixtures.Basic.any(function(value){
- return value == this.target_value;
- }, { target_value: 2 }));
- },
- testAny: function() {
- this.assert(!([].any()));
-
- this.assert([true, true, true].any());
- this.assert([true, false, false].any());
- this.assert(![false, false, false].any());
-
- this.assert(Fixtures.Basic.any(function(value) {
- return value > 2;
- }));
- this.assert(!Fixtures.Basic.any(function(value) {
- return value > 5;
- }));
- },
-
- "test #any passes value, index and collection to the iterator": function() {
- var i = 0;
- Fixtures.Basic.any(function(value, index, collection) {
- this.assertIdentical(Fixtures.Basic[i], value);
- this.assertIdentical(i, index);
- this.assertIdentical(Fixtures.Basic, collection);
- i++;
-
- // Iterate over all values
- return value > 5;
- }, this);
- },
-
- testAll: function() {
- this.assert([].all());
-
- this.assert([true, true, true].all());
- this.assert(![true, false, false].all());
- this.assert(![false, false, false].all());
- this.assert(Fixtures.Basic.all(function(value) {
- return value > 0;
- }));
- this.assert(!Fixtures.Basic.all(function(value) {
- return value > 1;
- }));
- },
-
- "test #all passes value, index and collection to the iterator": function() {
- var i = 0;
- Fixtures.Basic.all(function(value, index, collection) {
- this.assertIdentical(Fixtures.Basic[i], value);
- this.assertIdentical(i, index);
- this.assertIdentical(Fixtures.Basic, collection);
- i++;
-
- // Iterate over all values
- return value > 0;
- }, this);
- },
-
- testCollect: function() {
- this.assertEqual(Fixtures.Nicknames.join(', '),
- Fixtures.People.collect(function(person) {
- return person.nickname;
- }).join(", "));
-
- this.assertEqual(26, Fixtures.Primes.map().length);
- },
-
- "test #collect passes value, index and collection to the iterator": function() {
- var i = 0;
- Fixtures.Basic.collect(function(value, index, collection) {
- this.assertIdentical(Fixtures.Basic[i], value);
- this.assertIdentical(i, index);
- this.assertIdentical(Fixtures.Basic, collection);
- i++;
- return value;
- }, this);
- },
-
- testDetect: function() {
- this.assertEqual('Marcel Molina Jr.',
- Fixtures.People.detect(function(person) {
- return person.nickname.match(/no/);
- }).name);
- },
-
- "test #detect passes value, index and collection to the iterator": function() {
- var i = 0;
- Fixtures.Basic.detect(function(value, index, collection) {
- this.assertIdentical(Fixtures.Basic[i], value);
- this.assertIdentical(i, index);
- this.assertIdentical(Fixtures.Basic, collection);
- i++;
-
- // Iterate over all values
- return value > 5;
- }, this);
- },
-
- testEachSlice: function() {
- this.assertEnumEqual([], [].eachSlice(2));
- this.assertEqual(1, [1].eachSlice(1).length);
- this.assertEnumEqual([1], [1].eachSlice(1)[0]);
- this.assertEqual(2, Fixtures.Basic.eachSlice(2).length);
- this.assertEnumEqual(
- [3, 2, 1, 11, 7, 5, 19, 17, 13, 31, 29, 23, 43, 41, 37, 59, 53, 47, 71, 67, 61, 83, 79, 73, 97, 89],
- Fixtures.Primes.eachSlice( 3, function(slice){ return slice.reverse() }).flatten()
- );
- this.assertEnumEqual(Fixtures.Basic, Fixtures.Basic.eachSlice(-10));
- this.assertEnumEqual(Fixtures.Basic, Fixtures.Basic.eachSlice(0));
- this.assertNotIdentical(Fixtures.Basic, Fixtures.Basic.eachSlice(0));
- },
-
- testEachWithIndex: function() {
- var nicknames = [], indexes = [];
- Fixtures.People.each(function(person, index) {
- nicknames.push(person.nickname);
- indexes.push(index);
- });
-
- this.assertEqual(Fixtures.Nicknames.join(', '),
- nicknames.join(', '));
- this.assertEqual('0, 1, 2, 3', indexes.join(', '));
- },
-
- testFindAll: function() {
- this.assertEqual(Fixtures.Primes.join(', '),
- Fixtures.Z.findAll(prime).join(', '));
- },
-
- "test #findAll passes value, index and collection to the iterator": function() {
- var i = 0;
- Fixtures.Basic.findAll(function(value, index, collection) {
- this.assertIdentical(Fixtures.Basic[i], value);
- this.assertIdentical(i, index);
- this.assertIdentical(Fixtures.Basic, collection);
- i++;
- return value > 5;
- }, this);
- },
-
- testGrep: function() {
- this.assertEqual('noradio, htonl',
- Fixtures.Nicknames.grep(/o/).join(", "));
-
- this.assertEqual('NORADIO, HTONL',
- Fixtures.Nicknames.grep(/o/, function(nickname) {
- return nickname.toUpperCase();
- }).join(", "))
- this.assertEnumEqual($('grepHeader', 'grepCell'),
- $('grepTable', 'grepTBody', 'grepRow', 'grepHeader', 'grepCell').grep(new Selector('.cell')));
- // troublesome characters
- this.assertEnumEqual(['?a', 'c?'], ['?a','b','c?'].grep('?'));
- this.assertEnumEqual(['*a', 'c*'], ['*a','b','c*'].grep('*'));
- this.assertEnumEqual(['+a', 'c+'], ['+a','b','c+'].grep('+'));
- this.assertEnumEqual(['{1}a', 'c{1}'], ['{1}a','b','c{1}'].grep('{1}'));
- this.assertEnumEqual(['(a', 'c('], ['(a','b','c('].grep('('));
- this.assertEnumEqual(['|a', 'c|'], ['|a','b','c|'].grep('|'));
- },
-
- "test #grep passes value, index and collection to the iterator": function() {
- var i = 0;
- Fixtures.Basic.grep(/\d/, function(value, index, collection) {
- this.assertIdentical(Fixtures.Basic[i], value);
- this.assertIdentical(i, index);
- this.assertIdentical(Fixtures.Basic, collection);
- i++;
- return value;
- }, this);
- },
-
- testInclude: function() {
- this.assert(Fixtures.Nicknames.include('sam-'));
- this.assert(Fixtures.Nicknames.include('noradio'));
- this.assert(!Fixtures.Nicknames.include('gmosx'));
- this.assert(Fixtures.Basic.include(2));
- this.assert(Fixtures.Basic.include('2'));
- this.assert(!Fixtures.Basic.include('4'));
- },
-
- testInGroupsOf: function() {
- this.assertEnumEqual([], [].inGroupsOf(3));
-
- var arr = [1, 2, 3, 4, 5, 6].inGroupsOf(3);
- this.assertEqual(2, arr.length);
- this.assertEnumEqual([1, 2, 3], arr[0]);
- this.assertEnumEqual([4, 5, 6], arr[1]);
-
- arr = [1, 2, 3, 4, 5, 6].inGroupsOf(4);
- this.assertEqual(2, arr.length);
- this.assertEnumEqual([1, 2, 3, 4], arr[0]);
- this.assertEnumEqual([5, 6, null, null], arr[1]);
-
- var basic = Fixtures.Basic
-
- arr = basic.inGroupsOf(4,'x');
- this.assertEqual(1, arr.length);
- this.assertEnumEqual([1, 2, 3, 'x'], arr[0]);
-
- this.assertEnumEqual([1,2,3,'a'], basic.inGroupsOf(2, 'a').flatten());
- arr = basic.inGroupsOf(5, '');
- this.assertEqual(1, arr.length);
- this.assertEnumEqual([1, 2, 3, '', ''], arr[0]);
- this.assertEnumEqual([1,2,3,0], basic.inGroupsOf(2, 0).flatten());
- this.assertEnumEqual([1,2,3,false], basic.inGroupsOf(2, false).flatten());
- },
-
- testInject: function() {
- this.assertEqual(1061,
- Fixtures.Primes.inject(0, function(sum, value) {
- return sum + value;
- }));
- },
-
- "test #inject passes memo, value, index and collection to the iterator": function() {
- var i = 0;
- Fixtures.Basic.inject(0, function(memo, value, index, collection) {
- this.assertIdentical(Fixtures.Basic[i], value);
- this.assertIdentical(i, index);
- this.assertIdentical(Fixtures.Basic, collection);
- i++;
- return memo + value;
- }, this);
- },
-
- testInvoke: function() {
- var result = [[2, 1, 3], [6, 5, 4]].invoke('sort');
- this.assertEqual(2, result.length);
- this.assertEqual('1, 2, 3', result[0].join(', '));
- this.assertEqual('4, 5, 6', result[1].join(', '));
-
- result = result.invoke('invoke', 'toString', 2);
- this.assertEqual('1, 10, 11', result[0].join(', '));
- this.assertEqual('100, 101, 110', result[1].join(', '));
- },
-
- testMax: function() {
- this.assertEqual(100, Fixtures.Z.max());
- this.assertEqual(97, Fixtures.Primes.max());
- this.assertEqual(2, [ -9, -8, -7, -6, -4, -3, -2, 0, -1, 2 ].max());
- this.assertEqual('sam-', Fixtures.Nicknames.max()); // ?s > ?U
- },
-
- "test #max passes value, index and collection to the iterator": function() {
- var i = 0;
- Fixtures.Basic.max(function(value, index, collection) {
- this.assertIdentical(Fixtures.Basic[i], value);
- this.assertIdentical(i, index);
- this.assertIdentical(Fixtures.Basic, collection);
- i++;
- return value;
- }, this);
- },
-
- testMin: function() {
- this.assertEqual(1, Fixtures.Z.min());
- this.assertEqual(0, [ 1, 2, 3, 4, 5, 6, 7, 8, 0, 9 ].min());
- this.assertEqual('Ulysses', Fixtures.Nicknames.min()); // ?U < ?h
- },
-
- "test #min passes value, index and collection to the iterator": function() {
- var i = 0;
- Fixtures.Basic.min(function(value, index, collection) {
- this.assertIdentical(Fixtures.Basic[i], value);
- this.assertIdentical(i, index);
- this.assertIdentical(Fixtures.Basic, collection);
- i++;
- return value;
- }, this);
- },
-
- testPartition: function() {
- var result = Fixtures.People.partition(function(person) {
- return person.name.length < 15;
- }).invoke('pluck', 'nickname');
-
- this.assertEqual(2, result.length);
- this.assertEqual('sam-, htonl', result[0].join(', '));
- this.assertEqual('noradio, Ulysses', result[1].join(', '));
- },
-
- "test #partition passes value, index and collection to the iterator": function() {
- var i = 0;
- Fixtures.Basic.partition(function(value, index, collection) {
- this.assertIdentical(Fixtures.Basic[i], value);
- this.assertIdentical(i, index);
- this.assertIdentical(Fixtures.Basic, collection);
- i++;
- return value < 2;
- }, this);
- },
-
- testPluck: function() {
- this.assertEqual(Fixtures.Nicknames.join(', '),
- Fixtures.People.pluck('nickname').join(', '));
- },
-
- testReject: function() {
- this.assertEqual(0,
- Fixtures.Nicknames.reject(Prototype.K).length);
-
- this.assertEqual('sam-, noradio, htonl',
- Fixtures.Nicknames.reject(function(nickname) {
- return nickname != nickname.toLowerCase();
- }).join(', '));
- },
-
- "test #reject passes value, index and collection to the iterator": function() {
- var i = 0;
- Fixtures.Basic.reject(function(value, index, collection) {
- this.assertIdentical(Fixtures.Basic[i], value);
- this.assertIdentical(i, index);
- this.assertIdentical(Fixtures.Basic, collection);
- i++;
- return value < 2;
- }, this);
- },
-
- testSortBy: function() {
- this.assertEqual('htonl, noradio, sam-, Ulysses',
- Fixtures.People.sortBy(function(value) {
- return value.nickname.toLowerCase();
- }).pluck('nickname').join(', '));
- },
-
- "test #sortBy passes value, index and collection to the iterator": function() {
- var i = 0;
- Fixtures.Basic.sortBy(function(value, index, collection) {
- this.assertIdentical(Fixtures.Basic[i], value);
- this.assertIdentical(i, index);
- this.assertIdentical(Fixtures.Basic, collection);
- i++;
- return value;
- }, this);
- },
-
- testToArray: function() {
- var result = Fixtures.People.toArray();
- this.assert(result != Fixtures.People); // they're different objects...
- this.assertEqual(Fixtures.Nicknames.join(', '),
- result.pluck('nickname').join(', ')); // but the values are the same
- },
-
- testZip: function() {
- var result = [1, 2, 3].zip([4, 5, 6], [7, 8, 9]);
- this.assertEqual('[[1, 4, 7], [2, 5, 8], [3, 6, 9]]', result.inspect());
-
- result = [1, 2, 3].zip([4, 5, 6], [7, 8, 9], function(array) { return array.reverse() });
- this.assertEqual('[[7, 4, 1], [8, 5, 2], [9, 6, 3]]', result.inspect());
- },
-
- testSize: function() {
- this.assertEqual(4, Fixtures.People.size());
- this.assertEqual(4, Fixtures.Nicknames.size());
- this.assertEqual(26, Fixtures.Primes.size());
- this.assertEqual(0, [].size());
- }
- });