waterline-utils
Version:
Various utilities for working with Waterline queries and adapters.
332 lines (316 loc) • 10.2 kB
JavaScript
var Analyzer = require('../../../index').query.analyzer;
var tokenize = require('../../support/tokenize');
var assert = require('assert');
describe('Analyzer ::', function() {
describe('JOINS', function() {
it('should generate a valid group when JOIN is used', function() {
var tokens = tokenize({
select: ['users.id', 'contacts.phone'],
from: 'users',
join: [
{
from: 'contacts',
on: {
users: 'id',
contacts: 'user_id'
}
}
]
});
var result = Analyzer(tokens);
assert.deepEqual(result, [
[
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: 'users.id' }
],
[
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: 'contacts.phone' }
],
[
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' }
],
[
{ 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' }
]
]
]);
});
it('should generate a valid group when multiple JOINs are used', function() {
var tokens = tokenize({
select: ['users.id', 'contacts.phone'],
from: 'users',
join: [
{
from: 'contacts',
on: {
users: 'id',
contacts: 'user_id'
}
},
{
from: 'carriers',
on: {
users: 'id',
carriers: 'user_id'
}
}
]
});
var result = Analyzer(tokens);
assert.deepEqual(result, [
[
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: 'users.id' }
],
[
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: 'contacts.phone' }
],
[
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' }
],
[
{ 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: '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' }
]
]
]);
});
it('should generate a valid group when INNERJOIN', function() {
var tokens = tokenize({
select: ['users.id', 'contacts.phone'],
from: 'users',
innerJoin: [
{
from: 'contacts',
on: {
users: 'id',
contacts: 'user_id'
}
}
]
});
var result = Analyzer(tokens);
assert.deepEqual(result, [
[
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: 'users.id' }
],
[
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: 'contacts.phone' }
],
[
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' }
],
[
{ 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' }
]
]
]);
});
it('should generate a valid group when grouped JOINs are used', function() {
var tokens = tokenize({
select: ['*'],
from: 'users',
join: [
{
from: 'accounts',
on: [
{
accounts: 'id',
users: 'account_id'
},
{
accounts: 'owner_id',
users: 'id'
}
]
}
]
});
var result = Analyzer(tokens);
assert.deepEqual(result, [
[
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: '*' }
],
[
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' }
],
[
{ 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' }
]
]
]);
});
it('should generate a valid group when multiple grouped JOINs are used', function() {
var tokens = tokenize({
select: ['*'],
from: 'users',
join: [
{
from: 'accounts',
on: [
{
accounts: 'id',
users: 'account_id'
},
{
accounts: 'owner_id',
users: 'id'
}
]
},
{
from: 'contacts',
on: [
{
accounts: 'id',
contacts: 'account_id'
},
{
accounts: 'owner_id',
contacts: 'id'
}
]
}
]
});
var result = Analyzer(tokens);
assert.deepEqual(result, [
[
{ type: 'IDENTIFIER', value: 'SELECT' },
{ type: 'VALUE', value: '*' }
],
[
{ type: 'IDENTIFIER', value: 'FROM' },
{ type: 'VALUE', value: 'users' }
],
[
{ 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: 'IDENTIFIER', value: 'JOIN' },
[
{ type: 'KEY', value: 'TABLE' },
{ type: 'VALUE', value: 'contacts' },
{ 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: 'contacts' },
{ 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: 'contacts' },
{ type: 'KEY', value: 'COLUMN_KEY' },
{ type: 'VALUE', value: 'id' }
]
]
]);
});
});
});