waterline-utils
Version:
Various utilities for working with Waterline queries and adapters.
254 lines (243 loc) • 8.8 kB
JavaScript
var Tokenizer = require('../../../index').query.tokenizer;
var assert = require('assert');
describe('Tokenizer ::', function() {
describe('JOINS ::', function() {
it('should generate a valid token array when a JOIN operation is used', function() {
var result = Tokenizer({
select: ['users.id', 'contacts.phone'],
from: 'users',
join: [
{
from: 'contacts',
on: {
users: 'id',
contacts: 'user_id'
}
}
]
});
assert.deepEqual(result, [
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: 'users.id' },
{ type: 'ENDIDENTIFIER', value: 'SELECT' },
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: 'contacts.phone' },
{ type: 'ENDIDENTIFIER', value: 'SELECT' },
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' },
{ type: 'ENDIDENTIFIER', value: 'FROM' },
{ type: 'IDENTIFIER', value: 'JOIN' },
{ type: 'KEY', value: 'TABLE' },
{ type: 'VALUE', value: 'contacts' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'users' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'id' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'contacts' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'user_id' },
{ type: 'ENDIDENTIFIER', value: 'JOIN' }
]);
});
it('should generate a valid token array when multiple JOIN operations is used', function() {
var result = Tokenizer({
select: ['users.id', 'contacts.phone'],
from: 'users',
join: [
{
from: 'contacts',
on: {
users: 'id',
contacts: 'user_id'
}
},
{
from: 'carriers',
on: {
users: 'id',
carriers: 'user_id'
}
}
]
});
assert.deepEqual(result, [
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: 'users.id' },
{ type: 'ENDIDENTIFIER', value: 'SELECT' },
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: 'contacts.phone' },
{ type: 'ENDIDENTIFIER', value: 'SELECT' },
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' },
{ type: 'ENDIDENTIFIER', value: 'FROM' },
{ type: 'IDENTIFIER', value: 'JOIN' },
{ type: 'KEY', value: 'TABLE' },
{ type: 'VALUE', value: 'contacts' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'users' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'id' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'contacts' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'user_id' },
{ type: 'ENDIDENTIFIER', value: 'JOIN' },
{ type: 'IDENTIFIER', value: 'JOIN' },
{ type: 'KEY', value: 'TABLE' },
{ type: 'VALUE', value: 'carriers' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'users' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'id' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'carriers' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'user_id' },
{ type: 'ENDIDENTIFIER', value: 'JOIN' }
]);
});
it('should generate a valid token array when an INNERJOIN operation is used', function() {
var result = Tokenizer({
select: ['users.id', 'contacts.phone'],
from: 'users',
innerJoin: [
{
from: 'contacts',
on: {
users: 'id',
contacts: 'user_id'
}
}
]
});
assert.deepEqual(result, [
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: 'users.id' },
{ type: 'ENDIDENTIFIER', value: 'SELECT' },
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: 'contacts.phone' },
{ type: 'ENDIDENTIFIER', value: 'SELECT' },
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' },
{ type: 'ENDIDENTIFIER', value: 'FROM' },
{ type: 'IDENTIFIER', value: 'INNERJOIN' },
{ type: 'KEY', value: 'TABLE' },
{ type: 'VALUE', value: 'contacts' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'users' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'id' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'contacts' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'user_id' },
{ type: 'ENDIDENTIFIER', value: 'INNERJOIN' }
]);
});
it('should generate a valid token array when a grouped OR JOIN operation is used', function() {
var result = Tokenizer({
select: ['*'],
from: 'users',
join: [
{
from: 'accounts',
on: {
or: [
{
accounts: 'id',
users: 'account_id'
},
{
accounts: 'owner_id',
users: 'id'
}
]
}
}
]
});
assert.deepEqual(result, [
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: '*' },
{ type: 'ENDIDENTIFIER', value: 'SELECT' },
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' },
{ type: 'ENDIDENTIFIER', value: 'FROM' },
{ type: 'IDENTIFIER', value: 'JOIN' },
{ type: 'KEY', value: 'TABLE' },
{ type: 'VALUE', value: 'accounts' },
{ type: 'COMBINATOR', value: 'OR' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'accounts' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'id' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'users' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'account_id' },
{ type: 'COMBINATOR', value: 'OR' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'accounts' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'owner_id' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'users' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'id' },
{ type: 'ENDIDENTIFIER', value: 'JOIN' }
]);
});
it('should generate a valid token array when a grouped AND JOIN operation is used', function() {
var result = Tokenizer({
select: ['*'],
from: 'users',
join: [
{
from: 'accounts',
on: [
{
accounts: 'id',
users: 'account_id'
},
{
accounts: 'owner_id',
users: 'id'
}
]
}
]
});
assert.deepEqual(result, [
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: '*' },
{ type: 'ENDIDENTIFIER', value: 'SELECT' },
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' },
{ type: 'ENDIDENTIFIER', value: 'FROM' },
{ type: 'IDENTIFIER', value: 'JOIN' },
{ type: 'KEY', value: 'TABLE' },
{ type: 'VALUE', value: 'accounts' },
{ type: 'COMBINATOR', value: 'AND' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'accounts' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'id' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'users' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'account_id' },
{ type: 'COMBINATOR', value: 'AND' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'accounts' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'owner_id' },
{ type: 'KEY', value: 'TABLE_KEY' },
{ type: 'VALUE', value: 'users' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'id' },
{ type: 'ENDIDENTIFIER', value: 'JOIN' }
]);
});
});
});