knex/test/tape/query-builder.js

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2016-03-02 16:52:32 +01:00
'use strict';
var tape = require('tape')
var omit = require('lodash/omit')
var QueryBuilder = require('../../lib/query/builder')
var Client = require('../../lib/client')
tape('accumulates multiple update calls #647', function(t) {
t.plan(1)
var qb = new QueryBuilder({})
qb.update('a', 1).update('b', 2)
t.deepEqual(qb._single.update, {a: 1, b: 2})
})
tape('allows for object syntax in join', function(t) {
t.plan(1)
var qb = new QueryBuilder(new Client())
var sql = qb.table('users').innerJoin('accounts', {
'accounts.id': 'users.account_id',
'accounts.owner_id': 'users.id'
}).toSQL('join')
t.equal(sql.sql,
'inner join "accounts" on "accounts"."id" = "users"."account_id" and "accounts"."owner_id" = "users"."id"')
})
tape('clones correctly', function(t) {
var qb = new QueryBuilder(new Client())
var original = qb.table('users').debug().innerJoin('accounts', {
'accounts.id': 'users.account_id',
'accounts.owner_id': 'users.id'
});
var cloned = original.clone();
t.notEqual(original, cloned);
// `deepEqual` freezes when it encounters circular references,
// so they must be omitted.
t.deepEqual(
omit(cloned, 'client', 'and'),
omit(original, 'client', 'and')
);
t.equal(
cloned.client,
original.client,
'clone references same client'
);
t.equal(cloned.and, cloned, 'cloned `and` references self');
t.end();
});