pouchdb-find
Version:
Easy-to-use query language for PouchDB
315 lines (300 loc) • 8.19 kB
JavaScript
'use strict';
var testUtils = require('../test-utils');
var sortById = testUtils.sortById;
var should = testUtils.should;
module.exports = function (dbType, context) {
describe(dbType + ': limit-skip', function () {
beforeEach(function () {
return context.db.bulkDocs([
{ name: 'Mario', _id: 'mario', rank: 5, series: 'Mario', debut: 1981 },
{ name: 'Jigglypuff', _id: 'puff', rank: 8, series: 'Pokemon', debut: 1996 },
{ name: 'Link', rank: 10, _id: 'link', series: 'Zelda', debut: 1986 },
{ name: 'Donkey Kong', rank: 7, _id: 'dk', series: 'Mario', debut: 1981 },
{ name: 'Pikachu', series: 'Pokemon', _id: 'pikachu', rank: 1, debut: 1996 },
{ name: 'Captain Falcon', _id: 'falcon', rank: 4, series: 'F-Zero', debut: 1990 },
{ name: 'Luigi', rank: 11, _id: 'luigi', series: 'Mario', debut: 1983 },
{ name: 'Fox', _id: 'fox', rank: 3, series: 'Star Fox', debut: 1993 },
{ name: 'Ness', rank: 9, _id: 'ness', series: 'Earthbound', debut: 1994 },
{ name: 'Samus', rank: 12, _id: 'samus', series: 'Metroid', debut: 1986 },
{ name: 'Yoshi', _id: 'yoshi', rank: 6, series: 'Mario', debut: 1990 },
{ name: 'Kirby', _id: 'kirby', series: 'Kirby', rank: 2, debut: 1992 }
]);
});
it('should work with $and 1-1', function () {
var db = context.db;
return db.createIndex({
"index": {
"fields": ["series"]
}
}).then(function () {
return db.createIndex({
"index": {
"fields": ["debut"]
}
});
}).then(function() {
return db.find({
selector: {
$and: [
{series: 'Mario'},
{debut: {$gte: 1982}}
]
},
fields: ['_id'],
limit: 1,
skip: 1
});
}).then(function (res) {
res.docs.sort(sortById);
res.docs.should.deep.equal([{_id: 'yoshi'}]);
});
});
it('should work with $and 1 1-2', function () {
var db = context.db;
return db.createIndex({
"index": {
"fields": ["series"]
}
}).then(function () {
return db.createIndex({
"index": {
"fields": ["debut"]
}
});
}).then(function() {
return db.find({
selector: {
$and: [
{series: 'Mario'},
{debut: {$gte: 1982}}
]
},
fields: ['_id'],
limit: 1,
skip: 2
});
}).then(function (res) {
res.docs.sort(sortById);
res.docs.should.deep.equal([]);
});
});
it('should work with $and 1 2-0', function () {
var db = context.db;
return db.createIndex({
"index": {
"fields": ["series"]
}
}).then(function () {
return db.createIndex({
"index": {
"fields": ["debut"]
}
});
}).then(function() {
return db.find({
selector: {
$and: [
{series: 'Mario'},
{debut: {$gte: 1982}}
]
},
fields: ['_id'],
limit: 2,
skip: 0
});
}).then(function (res) {
res.docs.sort(sortById);
res.docs.should.deep.equal([{_id: 'luigi'}, {_id: 'yoshi'}]);
});
});
it('should work with $and 2, same index 0-1', function () {
var db = context.db;
return db.createIndex({
"index": {
"fields": ["series", "debut"]
}
}).then(function() {
return db.find({
selector: {
$and: [
{series: 'Mario'},
{debut: {$gte: 1982}}
]
},
fields: ['_id'],
limit: 0,
skip: 1
});
}).then(function (res) {
res.docs.sort(sortById);
res.docs.should.deep.equal([]);
});
});
it('should work with $and 2, same index 4-2', function () {
var db = context.db;
return db.createIndex({
"index": {
"fields": ["series", "debut"]
}
}).then(function() {
return db.find({
selector: {
$and: [
{series: 'Mario'},
{debut: {$gte: 1970}}
]
},
sort: ['series', 'debut'],
fields: ['_id'],
limit: 4,
skip: 2
});
}).then(function (res) {
res.docs.sort(sortById);
res.docs.should.deep.equal([
{_id: 'luigi'},
{_id: 'yoshi'}
]);
});
});
it('should work with $and 2, same index 2-2', function () {
var db = context.db;
return db.createIndex({
"index": {
"fields": ["series", "debut"]
}
}).then(function() {
return db.find({
selector: {
$and: [
{series: 'Mario'},
{debut: {$gte: 1980}}
]
},
fields: ['_id'],
limit: 2,
skip: 2
});
}).then(function (res) {
res.docs.sort(sortById);
res.docs.should.deep.equal([{_id: 'luigi'}, {_id: 'yoshi'}]);
});
});
it('should work with $and 3, index/no-index 10-0', function () {
var db = context.db;
return db.createIndex({
"index": {
"fields": ["series"]
}
}).then(function () {
return db.createIndex({
"index": {
"fields": ["rank"]
}
});
}).then(function() {
return db.find({
selector: {
$and: [
{series: 'Mario'},
{debut: {$lte: 1990}}
]
},
fields: ['_id'],
limit: 10,
skip: 0
});
}).then(function (res) {
res.docs.sort(sortById);
res.docs.should.deep.equal([
{_id: 'dk'},
{_id: 'luigi'},
{_id: 'mario'},
{_id: 'yoshi'}
]);
});
});
it('should work with $and 3, index/no-index 1-0', function () {
var db = context.db;
return db.createIndex({
"index": {
"fields": ["series"]
}
}).then(function () {
return db.createIndex({
"index": {
"fields": ["rank"]
}
});
}).then(function() {
return db.find({
selector: {
$and: [
{series: 'Star Fox'},
{debut: {$gte: 1982}}
]
},
fields: ['_id'],
limit: 1,
skip: 0
});
}).then(function (res) {
res.docs.sort(sortById);
res.docs.should.deep.equal([{_id: 'fox'}]);
});
});
it('should work with $and 3, index/no-index 2-0', function () {
var db = context.db;
return db.createIndex({
"index": {
"fields": ["series"]
}
}).then(function () {
return db.createIndex({
"index": {
"fields": ["rank"]
}
});
}).then(function() {
return db.find({
selector: {
$and: [
{series: 'Mario'},
{debut: {$gte: 1983}}
]
},
fields: ['_id'],
limit: 2,
skip: 0
});
}).then(function (res) {
res.docs.sort(sortById);
res.docs.should.deep.equal([{_id: 'luigi'}, {_id: 'yoshi'}]);
});
});
it('should work with $and 4, wrong index', function () {
var db = context.db;
return db.createIndex({
"index": {
"fields": ["rank"]
}
}).then(function() {
return db.find({
selector: {
$and: [
{series: 'Mario'},
{debut: {$gte: 1990}}
]
},
fields: ['_id'],
limit: 1,
skip: 1
}).then(function () {
throw new Error('should not be here');
}, function (err) {
should.exist(err);
});
});
});
});
};