jinq
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jinqJs provides you the ability to query, update and delete javaScript arrays using SQL like syntaxes and LINQ like expressions.
961 lines (720 loc) • 39.7 kB
JavaScript
describe('jinqJS Suite', function () {
'use strict';
var people1 = [
{ Name: 'Tom', Age: 29, Location: 'Port Jeff', Sex: 'Male' },
{ Name: 'Jen', Age: 30, Location: 'Port Jeff', Sex: 'Female' },
{ Name: 'Tom', Age: 14, Location: 'Port Jeff', Sex: 'Male' },
{ Name: 'Diana', Age: 11, Location: 'Port Jeff', Sex: 'Female' }
];
var people2 = [
{ Name: 'Tom', Age: 14, Location: 'Port Jeff', Sex: 'Male' },
{ Name: 'Jane', Age: 20, Location: 'Smithtown', Sex: 'Female' },
{ Name: 'Ken', Age: 57, Location: 'Islip', Sex: 'Male' }
];
var people3 = [{ Name: 'Frank', Age: 1, Location: 'Melville', Sex: 'Male' }];
var people4 = [{ Name: 'Frank', Age: 67, Location: 'Melville', Sex: 'Male' }];
var sexType = [{ Sex: 'Male', Location: 'Islip', Title: 'Its a boy!' },
{ Sex: 'Female', Location: 'Islip', Title: 'Its a girl!' }];
var population = [
{ Location: 'Islip', people: 123 },
{ Location: 'Melville', people: 332 },
];
var temps = [
{ Location: 'Islip', temp: 85 }
];
var simpleAges1 = [29, 2, 1, 57];
var simpleAges2 = [14, 30, 1, 60];
var weatherSvc = 'http://api.openweathermap.org/data/2.5/weather?q=Port Jefferson,NY'
if (typeof module !== 'undefined' && typeof module.exports !== 'undefined') {
jinqJs = require('../jinqjs-unstable');
console.log('Testing node.js instance.');
}
else
console.log('Testing as client instance.');
describe('.from()', function () {
jasmine.DEFAULT_TIMEOUT_INTERVAL = 10000;
it('sync', function () {
var result = new jinqJs().from(people1).select();
expect(result.length).toEqual(4);
expect(result[0].Age).toEqual(29);
expect(result[3].Age).toEqual(11);
});
it('async', function (done) {
new jinqJs().from(weatherSvc, function (self) {
var resultAsync = self.select();
expect(resultAsync.length).toEqual(1);
expect(resultAsync[0].coord.lat).toEqual(40.95);
done();
});
});
it('UNION All (Complex)', function () {
var result = new jinqJs().from(people1, people2, people3).select();
expect(result.length).toEqual(8);
expect(result[0].Age).toEqual(29);
expect(result[4].Age).toEqual(14);
expect(result[7].Age).toEqual(1);
});
it('UNION All (Simple)', function () {
var result = new jinqJs().from(simpleAges1, simpleAges2).select();
expect(result.length).toEqual(8);
expect(result[0]).toEqual(29);
expect(result[4]).toEqual(14);
});
});
describe('.concat()', function () {
it('(Complex)', function () {
var result = new jinqJs().from(people1).concat(people2, people3).select();
expect(result.length).toEqual(8);
expect(result[0].Age).toEqual(29);
expect(result[4].Age).toEqual(14);
expect(result[7].Age).toEqual(1);
});
it('(Simple)', function () {
var result = new jinqJs().from(simpleAges1).concat(simpleAges2, [88,99]).select();
expect(result.length).toEqual(10);
expect(result[0]).toEqual(29);
expect(result[4]).toEqual(14);
expect(result[8]).toEqual(88);
});
});
describe('.union()', function () {
it('(Complex)', function () {
var result = new jinqJs().from(people1).union(people2, people3).select();
expect(result.length).toEqual(7);
expect(result[0].Age).toEqual(29);
expect(result[2].Age).toEqual(14);
expect(result[4].Age).toEqual(20);
});
it('(Simple) Numbers', function () {
var result = new jinqJs().from(simpleAges1).union(simpleAges2, [30,50]).select();
expect(result.length).toEqual(8);
expect(result[0]).toEqual(29);
expect(result[6]).toEqual(60);
expect(result[7]).toEqual(50);
});
it('(Simple) Strings', function () {
var result = new jinqJs().from(['Tom','Frank']).union(['Bob', 'Tom' ], ['Chris']).select();
expect(result.length).toEqual(4);
expect(result[0]).toEqual('Tom');
expect(result[3]).toEqual('Chris');
});
});
describe('.join() and .on()', function () {
it('(Complex - Single Collection)', function () {
var result = new jinqJs().from(people1).union(people2).join(population).on('Location').select();
expect(result.length).toEqual(1);
expect(result[0].people).toEqual(123);
});
it('(Complex - Multiple Collections)', function () {
var result = new jinqJs().from(people1).union(people2).join(population, temps).on('Location').select();
expect(result.length).toEqual(1);
expect(result[0].people).toEqual(123);
expect(result[0].temp).toEqual(85);
});
});
describe('.on()', function () {
it('(Complex - Multiple Columns)', function () {
var result = new jinqJs().from(people1).union(people2).join(sexType).on('Location', 'Sex').select();
expect(result.length).toEqual(1);
expect(result[0].Title).toEqual('Its a boy!');
expect(result[0].Age).toEqual(57);
});
it('(Complex - Predicate - inner join)', function () {
var result = new jinqJs().from(people1, people2).join(sexType).on(function (left, right) {
return left.Location === right.Location;
}).select();
//Multiple matches (Both are Male because its using the field from the left side collection)
expect(result.length).toEqual(2);
expect(result[0].Sex).toEqual('Male');
expect(result[1].Sex).toEqual('Male');
var result = new jinqJs().from(people1, people2).join(sexType).on(function (left, right) {
return left.Location === right.Location && left.Sex === right.Sex;
}).select();
//Single match
expect(result.length).toEqual(1);
expect(result[0].Title).toEqual('Its a boy!');
expect(result[0].Age).toEqual(57);
});
it('(Complex - Predicate - outer join)', function () {
var result = new jinqJs().from(people1, people2).leftJoin(sexType).on(function (left, right) {
return left.Location === right.Location && left.Sex === right.Sex;
}).select();
expect(result.length).toEqual(7);
var result = new jinqJs().from(people2).leftJoin(sexType).on(function (left, right) {
return left.Location === right.Location && left.Sex === right.Sex;
}).select();
expect(result.length).toEqual(3);
expect(result[0].Age).toEqual(14);
expect(result[2].Age).toEqual(57);
expect(result[0].Title).toEqual('');
expect(result[1].Title).toEqual('');
expect(result[2].Title).toEqual('Its a boy!');
});
});
describe('.leftJoin()', function () {
it ('Complex - Column', function() {
var result = new jinqJs().from(people2).leftJoin(population).on('Location').select();
expect(result.length).toEqual(3);
result = new jinqJs().from(result).where('Location == Islip').select();
expect(result[0].people).toEqual(123);
result = new jinqJs().from(people2).leftJoin(population).on('Location').select();
result = new jinqJs().from(result).where('Location == Smithtown').select();
expect(result[0].people).toEqual('');
});
it('Complex - Multiple Collections', function () {
var result = new jinqJs().from(people2).leftJoin(population, temps).on('Location').select();
expect(result.length).toEqual(3);
expect(result[0].people).toEqual('');
expect(result[2].people).toEqual(123);
result = new jinqJs().from(result).where('Location == Islip').select();
expect(result[0].temp).toEqual(85);
expect(result[0].people).toEqual(123);
result = new jinqJs().from(people2).leftJoin(population, temps).on('Location').select();
result = new jinqJs().from(result).where('Location == Smithtown').select();
expect(result[0].temp).toEqual('');
expect(result[0].people).toEqual('');
});
it('Complex - Multiple Columns', function () {
var result = new jinqJs().from(people2).leftJoin(sexType).on('Location', 'Sex').select();
expect(result.length).toEqual(3);
expect(result[0].Age).toEqual(14);
expect(result[2].Age).toEqual(57);
expect(result[0].Title).toEqual('');
expect(result[1].Title).toEqual('');
expect(result[2].Title).toEqual('Its a boy!');
result = new jinqJs().from(result).where('Location == Islip').select();
expect(result[0].Title).toEqual('Its a boy!');
result = new jinqJs().from(people2).leftJoin(sexType).on('Location', 'Sex').select();
result = new jinqJs().from(result).where('Location == Smithtown').select();
expect(result[0].Title).toEqual('');
});
});
describe('.fullJoin()', function() {
it('Complex - Single Column', function() {
var result = new jinqJs().from(people2).fullJoin(population).on('Location').select();
expect(result.length).toEqual(4);
expect(result[0].people).toEqual('');
expect(result[0].Location).toEqual('Port Jeff');
expect(result[1].people).toEqual('');
expect(result[2].people).toEqual(123);
expect(result[2].Location).toEqual('Islip');
expect(result[3].people).toEqual(332);
expect(result[3].Location).toEqual('Melville');
expect(result[3].Name).toBeNull();
});
it('Complex - Multiple Columns', function() {
var result = new jinqJs().from(people2).fullJoin(sexType).on('Sex', 'Location').select();
expect(result.length).toEqual(4);
expect(result[0].Title).toEqual('');
expect(result[2].Title).toEqual('Its a boy!');
expect(result[3].Title).toEqual('Its a girl!');
expect(result[3].Location).toEqual('Islip');
expect(result[3].Name).toBeNull();
});
});
describe('.in()', function () {
it('Complex - Complex to Complex (Single Column)', function () {
var result = new jinqJs().from(people1).in(people2, 'Name').select();
expect(result.length).toEqual(2);
});
it('Complex - Complex to Complex (Multiple Columns)', function () {
var result = new jinqJs().from(people1).in(people2, 'Name', 'Age').select();
expect(result.length).toEqual(1);
});
it('Complex - Complex to Simple (Single Column)', function () {
var result = new jinqJs().from(people1).in(['Jen', 'Diana'], 'Name').select();
expect(result.length).toEqual(2);
});
it('Complex - Simple to Simple', function () {
var result = new jinqJs().from([1,2,3,4]).in([3,4,5]).select();
expect(result.length).toEqual(2);
});
describe('.not().in()', function () {
it('Complex - Complex to Complex (Single Column)', function () {
var result = new jinqJs().from(people1).not().in(people2, 'Name').select();
expect(result.length).toEqual(2);
expect(result[0].Age).toEqual(30);
expect(result[1].Age).toEqual(11);
});
it('Complex - Complex to Complex (Multiple Columns)', function () {
var result = new jinqJs().from(people1).not().in(people2, 'Name', 'Age').select();
expect(result.length).toEqual(3);
expect(result[0].Age).toEqual(29);
expect(result[1].Age).toEqual(30);
expect(result[2].Age).toEqual(11);
});
it('Complex - Complex to Simple (Single Column)', function () {
var result = new jinqJs().from(people1).not().in(['Jen', 'Tom'], 'Name').select();
expect(result.length).toEqual(1);
expect(result[0].Name).toEqual('Diana');
});
it('Complex - Simple to Simple', function () {
var result = new jinqJs().from([1, 2, 3, 4]).not().in([2, 3, 4, 5]).select();
expect(result.length).toEqual(1);
expect(result[0]).toEqual(1);
});
});
});
describe('.where()', function () {
it('Complex - Multiple Simple Conditions', function () {
var result = new jinqJs().from(people1).where('Age < 20', 'Sex === Male').select();
expect(result.length).toEqual(1);
expect(result[0].Age).toEqual(14);
});
it('Complex - Predicate Using row & index', function () {
var result = new jinqJs().from(people1).where(function (row, index) { return index === 1 && row.Name === 'Jen'; }).select();
expect(result.length).toEqual(1);
expect(result[0].Age).toEqual(30);
});
it('Simple - Predicate Using row & index', function () {
var result = new jinqJs().from([1,2,3,4,5,6]).where(function (row, index) { return row % 2 === 0; }).select();
expect(result.length).toEqual(3);
expect(result[0]).toEqual(2);
});
it('Simple - Simple Condition Using Contains', function () {
var result = new jinqJs().from(people1).where('Name * om').select();
expect(result.length).toEqual(2);
expect(result[0].Name === 'Tom' && result[1].Name === 'Tom').toBeTruthy();
});
it('Simple - Predicate Using row & index with the filter()', function () {
var result = new jinqJs().from([1,2,3,4,5,6]).filter(function (row, index) { return row % 2 === 0; }).select();
expect(result.length).toEqual(3);
expect(result[0]).toEqual(2);
});
});
describe('.groupBy()', function () {
describe('.sum()', function () {
it('Complex - Multiple Columns', function () {
var result = new jinqJs().from(people1).groupBy('Name', 'Age').sum('Age').select();
expect(result.length).toEqual(4);
result = new jinqJs().from(result).where('Name == Tom').select();
expect(result.length).toEqual(2);
expect(result[0].Age === 29 && result[1].Age === 14).toBeTruthy();
});
it('Complex - Multiple Columns & Multiple Aggregate Columns', function () {
var result = new jinqJs().from(people2, people3, people4).leftJoin(population).on('Location').groupBy('Name', 'Age').sum('Age', 'people').select();
expect(result.length).toEqual(5);
result = new jinqJs().from(result).where('Name == Frank').select();
expect(result.length).toEqual(2);
expect(result[0].Age === 1 && result[0].people === 332 && result[1].Age === 67 && result[1].people === 332).toBeTruthy();
});
it('Complex - Single Columns & Multiple Aggregate Columns', function () {
var result = new jinqJs().from(people2, people3, people4).leftJoin(population).on('Location').groupBy('Name').sum('Age', 'people').select();
expect(result.length).toEqual(4);
result = new jinqJs().from(result).where('Name == Frank').select();
expect(result.length).toEqual(1);
expect(result[0].Age === 68 && result[0].people === 664).toBeTruthy();
});
it('Complex - Single Column', function () {
var result = new jinqJs().from(people1).groupBy('Name').sum('Age').select();
expect(result.length).toEqual(3);
result = new jinqJs().from(result).where('Name == Tom').select();
expect(result.length).toEqual(1);
expect(result[0].Age).toEqual(29 + 14);
});
it('Simple', function () {
var result = new jinqJs().from([1,2,3,4,5]).sum().select();
expect(result.length).toEqual(1);
expect(result[0]).toEqual(15);
});
});
describe('.min()', function () {
it('Complex - Multiple Columns', function () {
var result = new jinqJs().from(people1).groupBy('Name', 'Age').min('Age').select();
expect(result.length).toEqual(4);
result = new jinqJs().from(result).where('Name == Tom').select();
expect(result.length).toEqual(2);
expect(result[0].Age === 29 && result[1].Age === 14).toBeTruthy();
});
it('Complex - Multiple Columns & Multiple Aggregate Columns', function () {
var result = new jinqJs().from(people2, people3, people4).leftJoin(population).on('Location').groupBy('Name', 'Age').min('Age', 'people').select();
expect(result.length).toEqual(5);
result = new jinqJs().from(result).where('Name == Frank').select();
expect(result.length).toEqual(2);
expect(result[0].Age === 1 && result[0].people === 332 && result[1].Age === 67 && result[1].people === 332).toBeTruthy();
});
it('Complex - Single Columns & Multiple Aggregate Columns', function () {
var result = new jinqJs().from(people2, people3, people4).leftJoin(population).on('Location').groupBy('Name').min('Age', 'people').select();
expect(result.length).toEqual(4);
result = new jinqJs().from(result).where('Name == Frank').select();
expect(result.length).toEqual(1);
expect(result[0].Age === 1 && result[0].people === 332).toBeTruthy();
});
it('Complex - Single Column', function () {
var result = new jinqJs().from(people1).groupBy('Name').min('Age').select();
expect(result.length).toEqual(3);
result = new jinqJs().from(result).where('Name == Tom').select();
expect(result.length).toEqual(1);
expect(result[0].Age).toEqual(14);
});
it('Simple', function () {
var result = new jinqJs().from([2, 1, 3, 4, 5]).min().select();
expect(result.length).toEqual(1);
expect(result[0]).toEqual(1);
});
});
describe('.max()', function () {
it('Complex - Multiple Columns', function () {
var result = new jinqJs().from(people1).groupBy('Name', 'Age').max('Age').select();
expect(result.length).toEqual(4);
result = new jinqJs().from(result).where('Name == Tom').select();
expect(result.length).toEqual(2);
expect(result[0].Age === 29 && result[1].Age === 14).toBeTruthy();
});
it('Complex - Multiple Columns & Multiple Aggregate Columns', function () {
var result = new jinqJs().from(people2, people3, people4).leftJoin(population).on('Location').groupBy('Name', 'Age').max('Age', 'people').select();
expect(result.length).toEqual(5);
result = new jinqJs().from(result).where('Name == Frank').select();
expect(result.length).toEqual(2);
expect(result[0].Age === 1 && result[0].people === 332 && result[1].Age === 67 && result[1].people === 332).toBeTruthy();
});
it('Complex - Single Columns & Multiple Aggregate Columns', function () {
var result = new jinqJs().from(people2, people3, people4).leftJoin(population).on('Location').groupBy('Name').max('Age', 'people').select();
expect(result.length).toEqual(4);
result = new jinqJs().from(result).where('Name == Frank').select();
expect(result.length).toEqual(1);
expect(result[0].Age === 67 && result[0].people === 332).toBeTruthy();
});
it('Complex - Single Column', function () {
var result = new jinqJs().from(people1).groupBy('Name').max('Age').select();
expect(result.length).toEqual(3);
result = new jinqJs().from(result).where('Name == Tom').select();
expect(result.length).toEqual(1);
expect(result[0].Age).toEqual(29);
});
it('Simple', function () {
var result = new jinqJs().from([2, 1, 3, 4, 5]).max().select();
expect(result.length).toEqual(1);
expect(result[0]).toEqual(5);
});
});
describe('.avg()', function () {
it('Complex - Multiple Columns', function () {
var result = new jinqJs().from(people1).groupBy('Name', 'Age').avg('Age').select();
expect(result.length).toEqual(4);
result = new jinqJs().from(result).where('Name == Tom').select();
expect(result.length).toEqual(2);
expect(result[0].Age === 29 && result[1].Age === 14).toBeTruthy();
});
it('Complex - Multiple Columns & Multiple Aggregate Columns', function () {
var result = new jinqJs().from(people2, people3, people4).leftJoin(population).on('Location').groupBy('Name', 'Age').avg('Age', 'people').select();
expect(result.length).toEqual(5);
result = new jinqJs().from(result).where('Name == Frank').select();
expect(result.length).toEqual(2);
expect(result[0].Age === 1 && result[0].people === 332 && result[1].Age === 67 && result[1].people === 332).toBeTruthy();
});
it('Complex - Single Columns & Multiple Aggregate Columns', function () {
var result = new jinqJs().from(people2, people3, people4).leftJoin(population).on('Location').groupBy('Name').avg('Age', 'people').select();
expect(result.length).toEqual(4);
result = new jinqJs().from(result).where('Name == Frank').select();
expect(result.length).toEqual(1);
expect(result[0].Age === 34 && result[0].people === 332).toBeTruthy();
});
it('Complex - Single Column', function () {
var result = new jinqJs().from(people1).groupBy('Name').avg('Age').select();
expect(result.length).toEqual(3);
result = new jinqJs().from(result).where('Name == Tom').select();
expect(result.length).toEqual(1);
expect(result[0].Age).toEqual(21.5);
});
it('Simple', function () {
var result = new jinqJs().from([2, 1, 3, 4, 5]).avg().select();
expect(result.length).toEqual(1);
expect(result[0]).toEqual(3);
});
});
describe('.count()', function () {
it('Complex - Multiple Columns', function () {
var result = new jinqJs().from(people1).groupBy('Name', 'Age').count('Age').select();
expect(result.length).toEqual(4);
result = new jinqJs().from(result).where('Name == Tom').select();
expect(result.length).toEqual(2);
expect(result[0].Age === 1 && result[1].Age === 1).toBeTruthy();
});
it('Complex - Multiple Columns & Multiple Aggregate Columns', function () {
var result = new jinqJs().from(people2, people3, people4).leftJoin(population).on('Location').groupBy('Name', 'Age').count('Age', 'people').select();
expect(result.length).toEqual(5);
result = new jinqJs().from(result).where('Name == Frank').select();
expect(result.length).toEqual(2);
expect(result[0].Age === 1 && result[0].people === 1 && result[1].Age === 1 && result[1].people === 1).toBeTruthy();
});
it('Complex - Single Columns & Multiple Aggregate Columns', function () {
var result = new jinqJs().from(people2, people3, people4).leftJoin(population).on('Location').groupBy('Name').count('Age', 'people').select();
expect(result.length).toEqual(4);
result = new jinqJs().from(result).where('Name == Frank').select();
expect(result.length).toEqual(1);
expect(result[0].Age === 2 && result[0].people === 2).toBeTruthy();
});
it('Complex - Single Column', function () {
var result = new jinqJs().from(people1).groupBy('Name').count('Age').select();
expect(result.length).toEqual(3);
result = new jinqJs().from(result).where('Name == Tom').select();
expect(result.length).toEqual(1);
expect(result[0].Age).toEqual(2);
});
});
describe('.distinct()', function () {
it('Complex - Single Column', function () {
var result = new jinqJs().from(people1).distinct('Location').select();
expect(result.length).toEqual(1);
});
it('Complex - Multiple Columns', function () {
var result = new jinqJs().from(people1).distinct('Name', 'Location').select();
expect(result.length).toEqual(3);
result = new jinqJs().from(result).where('Name == Tom').select();
expect(result.length).toEqual(1);
});
it('Complex - Array of Columns', function() {
var result = new jinqJs().from(people1).distinct( ['Name', 'Location'] ).select();
expect(result.length).toEqual(3);
result = new jinqJs().from(result).where('Name == Tom').select();
expect(result.length).toEqual(1);
});
it('Simple', function () {
var result = new jinqJs().from([1,2,2,3,4,3,5]).distinct().select();
expect(result.length).toEqual(5);
expect(result[0]).toEqual(1);
expect(result[4]).toEqual(5);
});
});
});
describe('.orderBy()', function () {
it('Complex - Multiple Columns Simple', function () {
var result = new jinqJs().from(people1).orderBy('Name', 'Age').select();
expect(result[0].Name === 'Diana').toBeTruthy();
expect(result[2].Name === 'Tom' && result[2].Age === 14).toBeTruthy();
});
it('Complex - Multiple Columns Complex [field only]', function () {
var result = new jinqJs().from(people1).orderBy([{field: 'Name'},{field: 'Age'}]).select();
expect(result[0].Name === 'Diana').toBeTruthy();
expect(result[2].Name === 'Tom' && result[2].Age === 14).toBeTruthy();
});
it('Complex - Multiple Columns Complex [field by name & sort]', function () {
var result = new jinqJs().from(people1).orderBy([{ field: 'Name' }, { field: 'Age', sort: 'desc' }]).select();
expect(result[0].Name === 'Diana').toBeTruthy();
expect(result[2].Name === 'Tom' && result[2].Age === 29).toBeTruthy();
});
it('Complex - Multiple Columns Complex [field by positional # & sort]', function () {
var result = new jinqJs().from(people1).orderBy([{ field: 0, sort: 'asc' }, { field: 1, sort: 'desc' }]).select();
expect(result[0].Name === 'Diana').toBeTruthy();
expect(result[2].Name === 'Tom' && result[2].Age === 29).toBeTruthy();
});
it('Simple - Ascending Numbers', function () {
var result = new jinqJs().from([4,2,8,1,3]).orderBy([{sort: 'asc' }]).select();
expect(result[0] === 1 && result[4] === 8).toBeTruthy();
});
it('Simple - Descending String', function () {
var result = new jinqJs().from(['Anna', 'Zillow', 'Mike']).orderBy([{ sort: 'desc' }]).select();
expect(result[0] === 'Zillow' && result[2] === 'Anna').toBeTruthy();
});
});
describe('.identity()', function () {
it('Complex - No Column', function () {
var result = new jinqJs().from(people1, people2).identity().select();
expect(result.length).toEqual(7);
expect(result[0].ID).toEqual(1);
expect(result[6].ID).toEqual(7);
});
it('Complex - With Column', function () {
var result = new jinqJs().from(people1, people2).identity('Row').select();
expect(result.length).toEqual(7);
expect(result[0].Row).toEqual(1);
expect(result[6].Row).toEqual(7);
});
it('Simple - No Column', function () {
var result = new jinqJs().from(simpleAges1, simpleAges2).identity().select();
expect(result.length).toEqual(8);
expect(result[0].ID).toEqual(1);
expect(result[7].ID).toEqual(8);
});
it('Simple - With Column', function () {
var result = new jinqJs().from(simpleAges1, simpleAges2).identity('Row').select();
expect(result.length).toEqual(8);
expect(result[0].Row).toEqual(1);
expect(result[7].Row).toEqual(8);
});
it('Global Identity Setting', function () {
new jinqJs({ includeIdentity: true });
var result = new jinqJs().from(simpleAges1, simpleAges2).select();
expect(result.length).toEqual(8);
expect(result[0].ID).toEqual(1);
expect(result[7].ID).toEqual(8);
new jinqJs({ includeIdentity: false });
});
});
describe('.skip()', function () {
it('Complex - Fixed Number', function () {
var result = new jinqJs().from(people1).skip(3).select();
expect(result.length).toEqual(1);
expect(result[0].Age).toEqual(11);
});
it('Complex - Percent', function () {
var result = new jinqJs().from(people1).skip(.25).select();
expect(result.length).toEqual(3);
expect(result[0].Age).toEqual(30);
expect(result[2].Age).toEqual(11);
});
it('Simple - Fixed Number', function () {
var result = new jinqJs().from(['Tom','Jen','Diana','Sandy']).skip(2).select();
expect(result.length).toEqual(2);
expect(result[0]).toEqual('Diana');
expect(result[1]).toEqual('Sandy');
});
it('Simple - Percent', function () {
var result = new jinqJs().from(['Tom', 'Jen', 'Diana', 'Sandy']).skip(.75).select();
expect(result.length).toEqual(1);
expect(result[0]).toEqual('Sandy');
});
});
describe('.top()', function () {
it('Complex - Fixed Number', function () {
var result = new jinqJs().from(people1).top(2).select();
expect(result.length).toEqual(2);
expect(result[0].Age).toEqual(29);
expect(result[1].Age).toEqual(30);
});
it('Complex - Percent', function () {
var result = new jinqJs().from(people1).top(.75).select();
expect(result.length).toEqual(3);
expect(result[0].Age).toEqual(29);
expect(result[2].Age).toEqual(14);
});
it('Simple - Fixed Number', function () {
var result = new jinqJs().from(['Tom','Jen','Diana','Sandy']).top(2).select();
expect(result.length).toEqual(2);
expect(result[0]).toEqual('Tom');
expect(result[1]).toEqual('Jen');
});
it('Simple - Percent', function () {
var result = new jinqJs().from(['Tom', 'Jen', 'Diana', 'Sandy']).top(.75).select();
expect(result.length).toEqual(3);
expect(result[0]).toEqual('Tom');
expect(result[2]).toEqual('Diana');
});
});
describe('.bottom()', function () {
it('Complex - Fixed Number', function () {
var result = new jinqJs().from(people1).bottom(2).select();
expect(result.length).toEqual(2);
expect(result[0].Age).toEqual(14);
expect(result[1].Age).toEqual(11);
});
it('Complex - Percent', function () {
var result = new jinqJs().from(people1).bottom(.75).select();
expect(result.length).toEqual(3);
expect(result[0].Age).toEqual(30);
expect(result[2].Age).toEqual(11);
});
it('Simple - Fixed Number', function () {
var result = new jinqJs().from(['Tom', 'Jen', 'Diana', 'Sandy']).bottom(2).select();
expect(result.length).toEqual(2);
expect(result[0]).toEqual('Diana');
expect(result[1]).toEqual('Sandy');
});
it('Simple - Percent', function () {
var result = new jinqJs().from([8,4,2,7]).bottom(.75).select();
expect(result.length).toEqual(3);
expect(result[0]).toEqual(4);
expect(result[2]).toEqual(7);
});
});
describe('.select()', function () {
it('Complex - Predicate Using row & index', function () {
var result = new jinqJs().from(people1).select(function (row, index) {
row.index = index+1;
return row;
});
expect(result.length).toEqual(4);
expect(result[0].index).toEqual(1);
expect(result[3].index).toEqual(4);
});
it('Complex - Multiple Specific String Columns', function () {
var result = new jinqJs().from(people1).select('Age', 'Name');
expect(result.length).toEqual(4);
expect(result[0].Age).toEqual(29);
expect(result[0].Name).toEqual('Tom');
expect(result[0].Location).toBeUndefined();
});
it('Complex - Complex Array Object - Constant Column', function () {
var result = new jinqJs().from(people1).select([{ field: 'Age' }, { field: 'Name' }, {text: 'IsHuman', value: true}]);
expect(result.length).toEqual(4);
expect(result[0].Age).toEqual(29);
expect(result[0].Name).toEqual('Tom');
expect(result[0].Location).toBeUndefined();
expect(result[0].IsHuman).toBeTruthy();
});
it('Complex - Complex Array Object - Calculated Column', function () {
var result = new jinqJs().from(people1).select([{ field: 'Age' }, { field: 'Name' }, {
text: 'IsHuman', value: function (row) {
row.IsHuman = true;
return row;
}}]);
expect(result.length).toEqual(4);
expect(result[0].Age).toEqual(29);
expect(result[0].Name).toEqual('Tom');
expect(result[0].Location).toBeUndefined();
expect(result[0].IsHuman).toBeTruthy();
});
it('Complex - Complex Array Object - Change field text', function () {
var result = new jinqJs().from(people1).select([{ field: 'Age' }, { field: 'Name', text: 'Title'}]);
expect(result.length).toEqual(4);
expect(result[0].Age).toEqual(29);
expect(result[0].Name).toBeUndefined();
expect(result[0].Title).toEqual('Tom');
});
it('Simple - Converting a string array to a collection', function () {
var result = new jinqJs().from(['Tom', 'Jen', 'Sandy']).select([{ text: 'Name' }]);
expect(result.length).toEqual(3);
expect(result[0].Name).toEqual('Tom');
});
it('Key/Value - Converting to collections using positional', function () {
var result = new jinqJs().from([{ "john": 28 }, { "bob": 34 }, { "joe": 4 }]).select([{field:0, text: 'Ages' }]);
expect(result.length).toEqual(3);
expect(result[0].Ages).toEqual(28);
});
});
describe('Extensibility', function () {
it('Plugin - Chaining', function() {
jinqJs.addPlugin('overTheHill', function(result){
'use strict';
for(var i=result.length-1;i > -1;i--)
{
if (result[i].Age < 40)
result.splice(i,1)
}
//Must return this when chaining functions.
return this;
});
var result = new jinqJs().from(people2).overTheHill().select();
expect(result.length).toEqual(1);
expect(result[0].Age).toEqual(57);
});
it('Plugin - Parameters, Storage', function() {
jinqJs.addPlugin('selectCustom', function(result, args, store){
'use strict';
store.timesCalled = store.timesCalled || 0;
store.timesCalled++;
if (store.timesCalled === 1){
result.push({
Name: args[0],
TimesCalled: store.timesCalled
});
}
else{
result[result.length-1].TimesCalled = store.timesCalled;
}
//Return array when ending with the jinqJs chain.
return result;
});
var jinq = new jinqJs().from(people2)
var result = jinq.selectCustom('Sample');
expect(result.length).toEqual(4);
expect(result[3].Name).toEqual('Sample');
expect(result[3].TimesCalled).toEqual(1);
result = jinq.selectCustom('Sample');
expect(result.length).toEqual(4);
expect(result[3].Name).toEqual('Sample');
expect(result[3].TimesCalled).toEqual(2);
});
});
});