588 lines
17 KiB
JavaScript
588 lines
17 KiB
JavaScript
const { expect } = require('../test')
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const cds = require('@sap/cds/lib')
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const CQL = ([cql]) => cds.parse.cql(cql)
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const Foo = { name: 'Foo' }
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const Books = { name: 'capire.bookshop.Books' }
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const { cdr } = cds.ql
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// while jest has 'test' as alias to 'it', mocha doesn't
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if (!global.test) global.test = it
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describe('cds.ql → cqn', () => {
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//
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let cqn
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describe.skip(`BUGS + GAPS...`, () => {
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it('should consistently handle *', () => {
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expect({
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SELECT: { from: { ref: ['Foo'] }, columns: ['*'] },
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})
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.to.eql(CQL`SELECT * from Foo`)
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.to.eql(CQL`SELECT from Foo{*}`)
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.to.eql(SELECT('*').from(Foo))
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.to.eql(SELECT.from(Foo,['*']))
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})
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it('should consistently handle lists', () => {
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const ID = 11, args = [`foo`, "'bar'", 3]
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const cqn = CQL`SELECT from Foo where ID=11 and x in (foo,'bar',3)`
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expect(SELECT.from(Foo).where(`ID=${ID} and x in (${args})`)).to.eql(cqn)
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expect(SELECT.from(Foo).where(`ID=`, ID, `and x in`, args)).to.eql(cqn)
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expect(SELECT.from(Foo).where({ ID, x:args })).to.eql(cqn)
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})
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})
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describe(`SELECT...`, () => {
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test('from ( Foo )', () => {
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expect({
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SELECT: { from: { ref: ['Foo'] } },
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})
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.to.eql(CQL`SELECT from Foo`)
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.to.eql(SELECT.from(Foo))
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})
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test('from ( ..., <key>)', () => {
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// Compiler
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expect(CQL`SELECT from Foo[11]`).to.eql({
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SELECT: {
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// REVISIT: add one:true?
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from: { ref: [{ id: 'Foo', where: [{ val: 11 }] }] },
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},
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})
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expect(CQL`SELECT from Foo[ID=11]`).to.eql({
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SELECT: {
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// REVISIT: add one:true
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from: {
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ref: [{ id: 'Foo', where: [{ ref: ['ID'] }, '=', { val: 11 }] }],
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},
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},
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})
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// Runtime ds.ql
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expect(SELECT.from(Foo, 11))
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.to.eql(SELECT.from(Foo, { ID: 11 }))
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.to.eql(SELECT.from(Foo).byKey(11))
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.to.eql(SELECT.from(Foo).byKey({ ID: 11 }))
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.to.eql(SELECT.one.from(Foo).where({ ID: 11 }))
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.to.eql({
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// REVISIT: should produce CQN as the ones above?
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SELECT: {
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one: true,
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from: { ref: ['Foo'] },
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where: [{ ref: ['ID'] }, '=', { val: 11 }],
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},
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})
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expect(CQL`SELECT from Foo[11]{a}`).to.eql({
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SELECT: {
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// REVISIT: add one:true?
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from: { ref: [{ id: 'Foo', where: [{ val: 11 }] }] },
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columns: [{ ref: ['a'] }],
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},
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})
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expect(SELECT.from(Foo, 11, ['a']))
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.to.eql(SELECT.from(Foo, 11, (foo) => foo.a))
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.to.eql({
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// REVISIT: should produce CQN as the ones above?
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SELECT: {
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one: true,
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from: { ref: ['Foo'] },
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columns: [{ ref: ['a'] }],
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where: [{ ref: ['ID'] }, '=', { val: 11 }],
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},
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})
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})
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test('from ( ..., => {...})', () => {
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// single *, prefix and postfix, as array and function
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let parsed, fluid
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expect((parsed = CQL`SELECT * from Foo`)).to.eql(CQL`SELECT from Foo{*}`)
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//> .to.eql... FIXME: see skipped 'should handle * correctly' below
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expect((fluid = SELECT('*').from(Foo)))
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.to.eql(SELECT.from(Foo, ['*']))
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.to.eql(SELECT.from(Foo, (foo) => foo('*')))
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.to.eql(SELECT.from(Foo).columns('*'))
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.to.eql(SELECT.from(Foo).columns((foo) => foo('*')))
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.to.eql({
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SELECT: { from: { ref: ['Foo'] }, columns: [{ ref: ['*'] }] },
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})
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if (cdr === 'all') expect(parsed).to.eql(fluid)
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// single column, prefix and postfix, as array and function
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expect(CQL`SELECT a from Foo`)
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expect(CQL`SELECT from Foo {a}`)
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.to.eql(SELECT.from(Foo, ['a']))
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.to.eql(SELECT.from(Foo, (foo) => foo.a))
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.to.eql({
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SELECT: { from: { ref: ['Foo'] }, columns: [{ ref: ['a'] }] },
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})
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// multiple columns, prefix and postfix, as array and function
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expect(CQL`SELECT a,b as c from Foo`)
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expect (CQL`SELECT from Foo {a,b as c}`).to.eql(cqn = {
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SELECT: {
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from: { ref: ['Foo'] },
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columns: [{ ref: ['a'] }, { ref: ['b'], as: 'c' }],
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},
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})
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expect(SELECT.from(Foo, ['a', { b: 'c' }])).to.eql(cqn)
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expect(
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SELECT.from(Foo, (foo) => {
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foo.a, foo.b.as('c')
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})
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).to.eql(cqn)
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expect(SELECT.from(Foo).columns('a', { b: 'c' })).to.eql(cqn)
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expect(SELECT.from(Foo).columns(['a', { b: 'c' }])).to.eql(cqn)
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expect(
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SELECT.from(Foo).columns((foo) => {
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foo.a, foo.b.as('c')
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})
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).to.eql(cqn)
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// multiple columns and *, prefix and postfix, as array and function
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expect(CQL`SELECT *,a,b from Foo`).to.eql(CQL`SELECT from Foo{*,a,b}`)
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//> .to.eql... FIXME: see skipped 'should handle * correctly' below
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expect(SELECT.from(Foo, ['a', 'b', '*']))
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.to.eql(SELECT.from(Foo).columns('a', 'b', '*'))
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.to.eql(SELECT.from(Foo).columns(['a', 'b', '*']))
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.to.eql(
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SELECT.from(Foo, (foo) => {
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foo.a, foo.b, foo('*')
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})
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)
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.to.eql({
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SELECT: {
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from: { ref: ['Foo'] },
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columns: [{ ref: ['a'] }, { ref: ['b'] }, { ref: ['*'] }],
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},
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})
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})
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test('from ( ..., => _.expand ( x=>{...}))', () => {
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// SELECT from Foo { *, x, bar.*, car{*}, boo { *, moo.zoo } }
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expect(
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SELECT.from(Foo, (foo) => {
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foo('*'),
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foo.x,
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foo.car('*'),
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foo.boo((b) => {
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b('*'), b.moo.zoo((x) => x.y.z)
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})
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})
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).to.eql({
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SELECT: {
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from: { ref: ['Foo'] },
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columns: [
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{ ref: ['*'] },
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{ ref: ['x'] },
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{ ref: ['car'], expand: ['*'] },
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{
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ref: ['boo'],
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expand: ['*', { ref: ['moo', 'zoo'], expand: [{ ref: ['y', 'z'] }] }],
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},
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],
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},
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})
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})
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test('from ( ..., => _.inline ( _=>{...}))', () => {
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// SELECT from Foo { *, x, bar.*, car{*}, boo { *, moo.zoo } }
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expect(
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SELECT.from(Foo, (foo) => {
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foo.bar('*'),
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foo.bar('.*'), //> leading dot indicates inline
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foo.boo((x) => x.moo.zoo),
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foo.boo((_) => _.moo.zoo) //> underscore arg name indicates inline
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})
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).to.eql({
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SELECT: {
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from: { ref: ['Foo'] },
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columns: [
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{ ref: ['bar'], expand: ['*'] },
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{ ref: ['bar'], inline: ['*'] },
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{ ref: ['boo'], expand: [{ ref: ['moo', 'zoo'] }] },
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{ ref: ['boo'], inline: [{ ref: ['moo', 'zoo'] }] },
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],
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},
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})
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})
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test('one / distinct ...', () => {
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expect(SELECT.distinct.from(Foo).SELECT)
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// .to.eql(CQL(`SELECT distinct from Foo`).SELECT)
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.to.eql(SELECT.distinct(Foo).SELECT)
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.to.eql({ distinct: true, from: { ref: ['Foo'] } })
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expect(SELECT.one.from(Foo).SELECT)
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// .to.eql(CQL(`SELECT one from Foo`).SELECT)
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.to.eql(SELECT.one(Foo).SELECT)
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.to.eql({ one: true, from: { ref: ['Foo'] } })
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expect(SELECT.one('a').from(Foo).SELECT)
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// .to.eql(CQL(`SELECT distinct a from Foo`).SELECT)
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.to.eql(SELECT.one(['a']).from(Foo).SELECT)
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.to.eql(SELECT.one(Foo, ['a']).SELECT)
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.to.eql(SELECT.one(Foo, (foo) => foo.a).SELECT)
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.to.eql(SELECT.one.from(Foo, (foo) => foo.a).SELECT)
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.to.eql(SELECT.one.from(Foo, ['a']).SELECT)
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.to.eql({
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one: true,
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from: { ref: ['Foo'] },
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columns: [{ ref: ['a'] }],
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})
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// same for works distinct
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})
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it('should correctly handle { ... and:{...} }', () => {
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expect(SELECT.from(Foo).where({ x: 1, and: { y: 2, or: { z: 3 } } })).to.eql({
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SELECT: {
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from: { ref: ['Foo'] },
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where: cdr ? [
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{ ref: ['x'] },
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'=',
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{ val: 1 },
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'and',
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// '(',
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{xpr:[
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{ ref: ['y'] },
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'=',
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{ val: 2 },
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'or',
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{ ref: ['z'] },
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'=',
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{ val: 3 },
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]},
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// ')',
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] : [
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{ ref: ['x'] },
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'=',
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{ val: 1 },
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'and',
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'(',
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// {xpr:[
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{ ref: ['y'] },
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'=',
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{ val: 2 },
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'or',
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{ ref: ['z'] },
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'=',
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{ val: 3 },
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// ]},
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')',
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],
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},
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})
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})
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test('where ( ... cql | {x:y} )', () => {
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const args = [`foo`, "'bar'", 3]
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const ID = 11
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// using simple predicate objects
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// (Note: this doesn't support paths in left-hand-sides, nor references in arrays)
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expect(
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SELECT.from(Foo).where({
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ID,
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args,
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and: { x: { like: '%x%' }, or: { y: { '>=': 9 } } },
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})
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).to.eql({
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SELECT: {
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from: { ref: ['Foo'] },
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where: cdr
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? [
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{ ref: ['ID'] },
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'=',
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{ val: ID },
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'and',
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{ ref: ['args'] },
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'in',
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{ list: args.map(val => ({ val })) },
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'and',
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{xpr:[
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{ ref: ['x'] },
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'like',
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{ val: '%x%' },
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'or',
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{ ref: ['y'] },
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'>=',
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{ val: 9 },
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]},
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]
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: [
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{ ref: ['ID'] },
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'=',
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{ val: ID },
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'and',
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{ ref: ['args'] },
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'in',
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{ list: args.map(val => ({ val })) },
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'and',
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'(',
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{ ref: ['x'] },
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'like',
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{ val: '%x%' },
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'or',
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{ ref: ['y'] },
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'>=',
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{ val: 9 },
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')',
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],
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},
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})
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// using CQL fragments -> uses cds.parse.expr
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const is_v2 = !!cds.parse.expr('(1,2)').list
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if (is_v2) expect((cqn = CQL`SELECT from Foo where ID=11 and x in ( foo, 'bar', 3)`)).to.eql({
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SELECT: {
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from: { ref: ['Foo'] },
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where: [
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{ ref: ['ID'] },
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'=',
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{ val: ID },
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'and',
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{ ref: ['x'] },
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'in',
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{list:[
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{ ref: ['foo'] },
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{ val: 'bar' },
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{ val: 3 },
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]}
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],
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},
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})
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else expect((cqn = CQL`SELECT from Foo where ID=11 and x in ( foo, 'bar', 3)`)).to.eql({
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SELECT: {
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from: { ref: ['Foo'] },
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where: [
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{ ref: ['ID'] },
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'=',
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{ val: ID },
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'and',
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{ ref: ['x'] },
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'in',
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'(',
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{ ref: ['foo'] },
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',',
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{ val: 'bar' },
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',',
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{ val: 3 },
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')',
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],
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},
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})
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if (!is_v2) expect(
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SELECT.from(Foo).where(`x=`, 1, `or y.z is null and (a>`, 2, `or b=`, 3, `)`)
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).to.eql(CQL`SELECT from Foo where x=1 or y.z is null and (a>2 or b=3)`)
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expect(SELECT.from(Foo).where(`x between`, 1, `and`, 9)).to.eql(
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CQL`SELECT from Foo where x between 1 and 9`
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)
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})
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test('w/ sub selects', () => {
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// in where causes
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expect(SELECT.from(Foo).where({ x: SELECT('y').from('Bar') })).to.eql(
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CQL`SELECT from Foo where x in (SELECT y from Bar)`
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)
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// using query api
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expect(SELECT.from('Books').where(
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`author.name in`, SELECT('name').from('Authors'))).to.eql(CQL`SELECT from Books where author.name in (SELECT name from Authors)`
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)
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// in classical semi joins
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expect(
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SELECT('x').from(Foo) .where ( `exists`,
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SELECT(1).from('Bar') .where ({ y: { ref: ['x'] } })
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) // prettier-ignore
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).to.eql(CQL`SELECT x from Foo where exists (SELECT 1 from Bar where y=x)`)
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// in select clauses
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cqn = CQL`SELECT from Foo { x, (SELECT y from Bar) as y }`
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cds.version >= '3.33.3' &&
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expect(
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SELECT.from(Foo, (foo) => {
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foo.x, foo(SELECT.from('Bar', (b) => b.y)).as('y')
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})
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).to.eql(cqn)
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cds.version >= '3.33.3' &&
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expect(
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SELECT.from(Foo, ['x', Object.assign(SELECT('y').from('Bar'), { as: 'y' })])
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).to.eql(cqn)
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})
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it('w/ plain SQL', () => {
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expect(SELECT.from(Books) + 'WHERE ...').to.eql(
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'SELECT * FROM capire_bookshop_Books WHERE ...'
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)
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})
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//
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})
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describe(`INSERT...`, () => {
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test('entries ({a,b}, ...)', () => {
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const entries = [{ foo: 1 }, { boo: 2 }]
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expect(INSERT(...entries).into(Foo))
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.to.eql(INSERT(entries).into(Foo))
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.to.eql(INSERT.into(Foo).entries(...entries))
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.to.eql(INSERT.into(Foo).entries(entries))
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.to.eql({
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INSERT: { into: 'Foo', entries },
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})
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})
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test('rows ([1,2], ...)', () => {
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expect(
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INSERT.into(Foo)
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.columns('a', 'b')
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.rows([
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[1, 2],
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[3, 4],
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])
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)
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.to.eql(INSERT.into(Foo).columns('a', 'b').rows([1, 2], [3, 4]))
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.to.eql({
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INSERT: {
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into: 'Foo',
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columns: ['a', 'b'],
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rows: [
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[1, 2],
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[3, 4],
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],
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},
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})
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})
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test('values (1,2)', () => {
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expect(INSERT.into(Foo).columns('a', 'b').values([1, 2]))
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.to.eql(INSERT.into(Foo).columns('a', 'b').values(1, 2))
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.to.eql({
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INSERT: { into: 'Foo', columns: ['a', 'b'], values: [1, 2] },
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})
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})
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test('w/ plain SQL', () => {
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expect(INSERT.into(Books) + 'VALUES ...').to.eql(
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'INSERT INTO capire_bookshop_Books VALUES ...'
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)
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})
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})
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describe(`UPDATE...`, () => {
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test('entity (..., <key>)', () => {
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expect(UPDATE(Books, 4711))
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.to.eql(UPDATE(Books, { ID: 4711 }))
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.to.eql(UPDATE(Books).byKey(4711))
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.to.eql(UPDATE(Books).byKey({ ID: 4711 }))
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.to.eql(UPDATE(Books).where({ ID: 4711 }))
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.to.eql(UPDATE(Books).where(`ID=`, 4711))
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.to.eql(UPDATE.entity(Books, 4711))
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.to.eql(UPDATE.entity(Books, { ID: 4711 }))
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// etc...
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.to.eql({
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UPDATE: {
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entity: 'capire.bookshop.Books',
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where: [{ ref: ['ID'] }, '=', { val: 4711 }],
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},
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})
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})
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/*
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UPDATE.with allows to pass in plain data payloads, e.g. as obtained from REST clients.
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In addition, UPDATE.with supports specifying expressions, either in CQL fragements
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notation or as simple expression objects.
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UPDATE.data allows to pass in plain data payloads, e.g. as obtained from REST clients.
|
|
The passed in object can be modified subsequently, e.g. by adding or modifying values
|
|
before the query is finally executed.
|
|
*/
|
|
test('with + data', () => {
|
|
if (cds.version < '4.1.0') return
|
|
const o = {}
|
|
const q = UPDATE(Foo).data(o).with(`bar-=`, 22)
|
|
o.foo = 11
|
|
expect(q)
|
|
.to.eql(UPDATE(Foo).with(`foo=`, 11, `bar-=`, 22))
|
|
.to.eql(UPDATE(Foo).with({ foo: 11, bar: { '-=': 22 } }))
|
|
.to.eql({
|
|
UPDATE: {
|
|
entity: 'Foo',
|
|
data: { foo: 11 },
|
|
with: {
|
|
bar: { xpr: [{ ref: ['bar'] }, '-', { val: 22 }] },
|
|
},
|
|
},
|
|
})
|
|
|
|
// some more
|
|
expect(UPDATE(Foo).with(`bar = coalesce(x,y), car = 'foo''s bar, car'`)).to.eql({
|
|
UPDATE: {
|
|
entity: 'Foo',
|
|
data: {
|
|
car: "foo's bar, car",
|
|
},
|
|
with: {
|
|
bar: { func: 'coalesce', args: [{ ref: ['x'] }, { ref: ['y'] }] },
|
|
},
|
|
},
|
|
})
|
|
})
|
|
|
|
test('w/ plain SQL', () => {
|
|
expect(UPDATE(Books) + 'SET ...').to.eql('UPDATE capire_bookshop_Books SET ...')
|
|
})
|
|
})
|
|
|
|
describe(`DELETE...`, () => {
|
|
test('from (..., <key>)', () => {
|
|
expect(DELETE(Books, 4711))
|
|
.to.eql(DELETE(Books, { ID: 4711 }))
|
|
.to.eql(DELETE.from(Books, 4711))
|
|
.to.eql(DELETE.from(Books, { ID: 4711 }))
|
|
.to.eql(DELETE.from(Books).byKey(4711))
|
|
.to.eql(DELETE.from(Books).byKey({ ID: 4711 }))
|
|
.to.eql(DELETE.from(Books).where({ ID: 4711 }))
|
|
.to.eql(DELETE.from(Books).where(`ID=`, 4711))
|
|
.to.eql({
|
|
DELETE: {
|
|
from: 'capire.bookshop.Books',
|
|
where: [{ ref: ['ID'] }, '=', { val: 4711 }],
|
|
},
|
|
})
|
|
})
|
|
|
|
test('/w plain SQL', () => {
|
|
expect(DELETE.from(Books) + 'WHERE ...').to.eql(
|
|
'DELETE FROM capire_bookshop_Books WHERE ...'
|
|
)
|
|
})
|
|
})
|
|
|
|
describe(`cds.ql etc...`, () => {
|
|
it('should keep null and undefined', () => {
|
|
for (let each of [null, undefined]) {
|
|
expect(SELECT.from(Foo).where({ ID: each })).to.eql({
|
|
SELECT: {
|
|
from: { ref: ['Foo'] },
|
|
where: [{ ref: ['ID'] }, '=', { val: each }],
|
|
},
|
|
})
|
|
}
|
|
})
|
|
})
|
|
|
|
//
|
|
})
|