237 lines
6.8 KiB
JavaScript
237 lines
6.8 KiB
JavaScript
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var assert = require('assert')
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var _db = require('../src')
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// Test lodash-id against Undersocre and Lo-Dash
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var libs = {
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underscore: require('underscore'),
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lodash: require('lodash')
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}
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Object.keys(libs).forEach(function (name) {
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describe(name + ' + lodash-id', function () {
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var db
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var _ = libs[name]
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beforeEach(function () {
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_.mixin(_db)
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db = {
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posts: [
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{ id: 1, body: 'one', published: true },
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{ id: 2, body: 'two', published: false },
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{ id: 3, body: 'three', published: false }
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],
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comments: [
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{ id: 1, body: 'foo', postId: 1 },
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{ id: 2, body: 'bar', postId: 2 }
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],
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authors: [
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{ id: '1', name: 'foo' },
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{ id: '2', name: 'bar' }
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]
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}
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})
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describe('id', function () {
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beforeEach(function () { _.id = 'body' })
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afterEach(function () { delete _.id })
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it('is the property used by get to find document', function () {
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var expect = db.posts[0]
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var doc = _.getById(db.posts, 'one')
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assert.deepEqual(doc, expect)
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})
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})
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describe('createId', function () {
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it('returns an id', function () {
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assert(_.createId())
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})
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})
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describe('getById', function () {
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it('returns doc by id', function () {
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var expect = db.posts[0]
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var doc = _.getById(db.posts, 1)
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assert.deepEqual(doc, expect)
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})
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it('returns doc by id with string param', function () {
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var expect = db.posts[0]
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var doc = _.getById(db.posts, '1')
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assert.deepEqual(doc, expect)
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})
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it('returns doc by id with string id', function () {
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var expect = db.authors[0]
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var doc = _.getById(db.authors, 1)
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assert.deepEqual(doc, expect)
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})
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it('returns undefined if doc is not found', function () {
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var doc = _.getById(db.posts, 9999)
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assert.equal(doc, undefined)
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})
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})
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describe('insert', function () {
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describe('and id is set', function () {
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it('inserts and returns inserted doc', function () {
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var doc = _.insert(db.posts, { id: 'foo', body: 'one' })
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assert.equal(db.posts.length, 4)
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assert.deepEqual(doc, { id: 'foo', body: 'one' })
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assert.deepEqual(_.getById(db.posts, doc.id), { id: 'foo', body: 'one' })
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})
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it('does not replace in place and throws an error', function () {
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var length = db.posts.length
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assert.throws(function () {
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_.insert(db.posts, { id: 2, title: 'one' })
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}, /duplicate/)
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assert.equal(db.posts.length, length)
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assert.deepEqual(_.getById(db.posts, 2), { id: 2, body: 'two', published: false })
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assert.deepEqual(_.map(db.posts, 'id'), [ 1, 2, 3 ])
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})
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})
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describe('and id is not set', function () {
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it('inserts, sets an id and returns inserted doc', function () {
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var doc = _.insert(db.posts, { body: 'one' })
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assert.equal(db.posts.length, 4)
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assert(doc.id)
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assert.equal(doc.body, 'one')
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})
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})
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})
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describe('upsert', function () {
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describe('and id is set', function () {
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it('inserts and returns inserted doc', function () {
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var doc = _.upsert(db.posts, { id: 'foo', body: 'one' })
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assert.equal(db.posts.length, 4)
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assert.deepEqual(doc, { id: 'foo', body: 'one' })
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assert.deepEqual(_.getById(db.posts, doc.id), { id: 'foo', body: 'one' })
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})
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it('replaces in place and returns inserted doc', function () {
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var length = db.posts.length
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var doc = _.upsert(db.posts, {id: 2, title: 'one'})
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assert.equal(db.posts.length, length)
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assert.deepEqual(doc, { id: 2, title: 'one' })
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assert.deepEqual(_.getById(db.posts, doc.id), { id: 2, title: 'one' })
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assert.deepEqual(_.map(db.posts, 'id'), [1, 2, 3])
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})
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})
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describe('and id is not set', function () {
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it('inserts, sets an id and returns inserted doc', function () {
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var doc = _.upsert(db.posts, {body: 'one'})
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assert.equal(db.posts.length, 4)
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assert(doc.id)
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assert.equal(doc.body, 'one')
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})
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})
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})
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describe('updateById', function () {
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it('updates doc and returns updated doc', function () {
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var doc = _.updateById(db.posts, 1, { published: false })
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assert(!db.posts[0].published)
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assert(!doc.published)
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})
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it('keeps initial id type', function () {
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var doc = _.updateById(db.posts, '1', { published: false })
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assert.strictEqual(doc.id, 1)
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})
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it('returns undefined if doc is not found', function () {
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var doc = _.updateById(db.posts, 9999, { published: false })
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assert.equal(doc, undefined)
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})
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})
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describe('updateWhere', function () {
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it('updates docs and returns updated docs', function () {
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var docs = _.updateWhere(db.posts, { published: false }, { published: true })
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assert.equal(docs.length, 2)
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assert(db.posts[1].published)
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assert(db.posts[2].published)
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})
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it('returns an empty array if no docs match', function () {
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var docs = _.updateWhere(db.posts, { published: 'draft' }, { published: true })
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assert.equal(docs.length, 0)
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})
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})
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describe('replaceById', function () {
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it('replaces doc and returns it', function () {
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var doc = _.replaceById(db.posts, 1, { foo: 'bar' })
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assert.deepEqual(doc, db.posts[0])
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assert.deepEqual(db.posts[0], { id: 1, foo: 'bar' })
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})
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it('keeps initial id type', function () {
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var doc = _.replaceById(db.posts, '1', { published: false })
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assert.strictEqual(doc.id, 1)
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})
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it('returns undefined if doc is not found', function () {
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var doc = _.replaceById(db.posts, 9999, {})
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assert.equal(doc, undefined)
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})
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})
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describe('removeById', function () {
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it('removes and returns doc ', function () {
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var expected = db.posts[0]
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var doc = _.removeById(db.posts, 1)
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assert.equal(db.posts.length, 2)
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assert.deepEqual(doc, expected)
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})
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it('returns undefined if doc is not found', function () {
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var doc = _.removeById(db.posts, 9999)
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assert.equal(doc, undefined)
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})
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})
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describe('removeWhere', function () {
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it('removes docs', function () {
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var expected = [db.comments[0]]
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var docs = _.removeWhere(db.comments, { postId: 1 })
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assert.equal(db.comments.length, 1)
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assert.deepEqual(docs, expected)
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})
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it('returns an empty array if no docs match', function () {
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var docs = _.removeWhere(db.comments, { postId: 9999 })
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assert.equal(docs.length, 0)
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})
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})
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})
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})
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