test: implemented ql tests marked as todo (#268)

* test: implemented ql tests marked as todo

* test: restored deleted test

__tests__/lib/pg/ql.test.js

@@ -68,11 +68,57 @@ describe('QL to PostgreSQL', () => {
  expect(beer).toBeNull()
  })
 
- test.todo('-> with distinct')
- test.todo('-> with orderBy')
- test.todo('-> with groupBy')
- test.todo('-> with having')
- test.todo('-> with joins')
+ test('-> with distinct', async () => {
+ const { Beers } = cds.entities('csw')
+ const results = await cds.run(SELECT.distinct.from(Beers).columns('abv'))
+ expect(results.length).toStrictEqual(6)
+ const otherResults = await cds.run(SELECT.distinct.from(Beers).columns('abv', 'ibu'))
+ expect(otherResults.length).toStrictEqual(9)
+ })
+
+ test('-> with orderBy', async () => {
+ const { Beers } = cds.entities('csw')
+ const beers = await cds.run(
+ SELECT.from(Beers)
+ .where({ abv: { '>': 1.0 } })
+ .orderBy({ abv: 'desc' })
+ )
+ expect(beers[0].abv).toStrictEqual('5.9')
+ const reverseBeers = await cds.run(
+ SELECT.from(Beers)
+ .where({ abv: { '>': 1.0 } })
+ .orderBy({ abv: 'asc' })
+ )
+ expect(reverseBeers[0].abv).toStrictEqual('4.9')
+ })
+
+ test('-> with groupBy', async () => {
+ const { Beers } = cds.entities('csw')
+ const results = await cds.run(SELECT.from(Beers).columns('count(*) as count', 'brewery_id').groupBy('brewery_id'))
+ expect(results.length).toStrictEqual(6)
+ })
+
+ test('-> with having', async () => {
+ const { Beers } = cds.entities('csw')
+ const results = await cds.run(
+ SELECT.from(Beers).columns('brewery_id').groupBy('brewery_id').having('count(*) >=', 2)
+ )
+ expect(results.length).toStrictEqual(3)
+ })
+
+ test('-> with joins', async () => {
+ const { Beers } = cds.entities('csw')
+ const results = await cds.run(
+ SELECT.from(Beers, (b) => {
+ b`.*`,
+ b.brewery((br) => {
+ br`.*`
+ })
+ }).where({ brewery_id: '4aeebbed-90c2-4bdd-aa70-d8eecb8eaebb' })
+ )
+ expect(results[0].brewery).toHaveProperty('name', 'Rittmayer Hallerndorf')
+ expect(results.length).toStrictEqual(4)
+ })
  })
 
  describe('INSERT', () => {