chore: Merged fiori into bookstore and tests into subprojects

bookshop/test/hierarchical-data/hierarchical-data.test.js

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+const cds = require('@sap/cds')
+const { expect } = cds.test.in(__dirname,'..','..')
+
+describe('cap/samples - Hierarchical Data', ()=>{
+
+	const csn = CDL`
+		entity Categories {
+			key ID   : Integer;
+			name     : String;
+			children : Composition of many Categories on children.parent = $self;
+			parent   : Association to Categories;
+		}
+	`
+	const model = cds.compile.for.nodejs(csn)
+	const {Categories:Cats} = model.definitions
+
+	before ('bootstrap sqlite in-memory db...', async()=>{
+		await cds.deploy (csn) .to ('sqlite::memory:') // REVISIT: cds.compile.to.sql should accept cds.compiled.for.nodejs models
+		expect (cds.db) .to.exist
+		expect (cds.db.model) .to.exist
+	})
+
+	it ('supports deeply nested inserts', ()=> INSERT.into (Cats,
+		{ ID:100, name:'Some Cats...', children:[
+			{ ID:101, name:'Cat', children:[
+				{ ID:102, name:'Kitty', children:[
+					{ ID:103, name:'Kitty Cat', children:[
+						{ ID:104, name:'Aristocat' } ]},
+					{ ID:105, name:'Kitty Bat' } ]},
+				{ ID:106, name:'Catwoman', children:[
+					{ ID:107, name:'Catalina' } ]} ]},
+			{ ID:108, name:'Catweazle' }
+		]}
+	))
+
+	it ('should generate correct queries for expands', ()=>{
+		let q = SELECT.from (Cats, c => { c.ID, c.name, c.children (c => c.name) })
+		expect (q) .to.eql ({
+			SELECT: {
+				from: { ref:[ "Categories" ] },
+				columns: [
+					{ ref: [ "ID" ] },
+					{ ref: [ "name" ] },
+					{ ref: [ "children" ], expand: [ {ref:['name']} ] },
+				]
+			}
+		})
+		/* temp skip for release
+		if (q.forSQL) expect (q.forSQL()) .to.eql ({
+			SELECT: {
+				from: { ref:[ "Categories" ], as: "Categories" },
+				columns: [
+					{ ref: [ "Categories", "ID" ] },
+					{ ref: [ "Categories", "name" ] },
+					{ as: "children", SELECT: { expand: true,
+						one: false,
+						columns: [{ ref: [ "children", "name" ]}],
+						from: { ref:["Categories"], as: "children" },
+						where: [
+							{ref:[ "Categories", "ID" ]}, "=", {ref:[ "children", "parent_ID" ]}
+						],
+					}},
+				],
+			}
+		})
+		if (q.toSql) expect (q.toSql()) .to.eql (
+			`SELECT json_insert('{}',` +
+				`'$."ID"',ID,` +
+				`'$."name"',name,` +
+				`'$."children"',children->'$'` +
+			`) as _json_ FROM (` +
+				`SELECT Categories.ID,Categories.name,(` +
+					`SELECT jsonb_group_array(jsonb_insert('{}','$."name"',name)) as _json_ FROM (` +
+						`SELECT children.name FROM Categories as children WHERE Categories.ID = children.parent_ID` +
+					`)` +
+				`) as children FROM Categories as Categories` +
+			`)`
+		)
+		*/
+	})
+
+	it ('supports nested reads', ()=> expect (
+		SELECT.one.from (Cats, c=>{
+			c.ID, c.name.as('parent'), c.children (c=>{
+				c.name.as('child')
+			})
+		}) .where ({name:'Cat'})
+	) .to.eventually.eql (
+		{ ID:101, parent:'Cat', children:[
+			{ child:'Kitty' },
+			{ child:'Catwoman' },
+		]}
+	))
+
+	it ('supports deeply nested reads', ()=> expect (
+		SELECT.one.from (Cats, c=>{
+			c.ID, c.name, c.children (
+				c => { c.name },
+				{levels:3}
+			)
+		}) .where ({name:'Cat'})
+	) .to.eventually.eql (
+		{ ID:101, name:'Cat', children:[
+			{ name:'Kitty', children:[
+				{ name:'Kitty Cat', children:[
+					{ name:'Aristocat' }, ]},  // level 3
+				{ name:'Kitty Bat', children:[] }, ]},
+			{ name:'Catwoman', children:[
+				{ name:'Catalina', children:[] } ]},
+		]}
+	))
+
+	it ('supports cascaded deletes', async()=>{
+		const affectedRows = await DELETE.from (Cats) .where ({ID:[102,106]})
+		expect (affectedRows) .to.be.greaterThan (0)
+		await expect (SELECT`ID,name`.from(Cats) ).to.eventually.eql ([
+			{ ID:100, name:'Some Cats...' },
+			{ ID:101, name:'Cat' },
+			{ ID:108, name:'Catweazle' }
+		])
+	})
+
+})

bookshop/test/hierarchical-data/requests.http

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+#################################################
+#
+#   Genres
+#
+
+GET http://localhost:4004/odata/v4/test/Genres?
+###
+
+GET http://localhost:4004/odata/v4/test/Genres?
+&$filter=parent_ID eq null&$select=name
+&$expand=children($select=name)
+###
+
+POST http://localhost:4004/odata/v4/test/Genres?
+Content-Type: application/json
+
+{ "ID":"100aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa", "name":"Some Sample Genres...", "children":[
+    { "ID":"101aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa", "name":"Cat", "children":[
+        { "ID":"102aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa", "name":"Kitty", "children":[
+            { "ID":"103aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa", "name":"Aristocat" },
+            { "ID":"104aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa", "name":"Kitty Bat" } ]},
+        { "ID":"105aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa", "name":"Catwoman", "children":[
+            { "ID":"106aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa", "name":"Catalina" } ]} ]},
+    { "ID":"107aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa", "name":"Catweazle" }
+]}
+###
+
+GET http://localhost:4004/odata/v4/test/Genres(100aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa)?
+&$expand=children
+&$expand=children($expand=children($expand=children($expand=children)))
+###
+
+DELETE http://localhost:4004/odata/v4/test/Genres(103aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa)
+###
+
+DELETE http://localhost:4004/odata/v4/test/Genres(100aaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa)
+###

bookshop/test/hierarchical-data/services.cds

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+using { sap.capire.bookshop as my } from '../../db/schema';
+service TestService {
+  entity Genres as projection on my.Genres;
+}