Make test more robust against future model changes

Compare subset of JSON, not full JSON.

.eslintrc

@@ -6,7 +6,7 @@
         "jest": true
     },
     "parserOptions": {
-        "ecmaVersion": 2018
+        "ecmaVersion": 2017
     },
     "globals": {
         "SELECT": true,

.gitignore

@@ -13,3 +13,5 @@ target/
 connection.properties
 default-env.json
 packages/messageBox
+*.db
+

.vscode/launch.json

@@ -5,27 +5,7 @@
   "version": "0.2.0",
   "configurations": [
     {
-      "name": "bookshop",
+      "name": "cds run",
-      "request": "launch",
-      "type": "node",
-      "runtimeExecutable": "npx",
-      "runtimeArgs": [
-        "-n"
-      ],
-      "args": [
-        "--",
-        "cds",
-        "run",
-        "--in-memory"
-      ],
-      "cwd": "${workspaceFolder}/packages/bookshop",
-      "console": "integratedTerminal",
-      "skipFiles": [
-        "<node_internals>/**"
-      ]
-    },
-    {
-      "name": "cds run ...",
       "request": "launch",
       "type": "node",
       "runtimeExecutable": "npx",
@@ -37,10 +17,15 @@
         "cds",
         "run",
         "--with-mocks",
-        "--in-memory?"
+        "--in-memory"
-      ],
+      ], // the leading "--" arg ensures it works with as well as without debugging
       "cwd": "${workspaceFolder}/packages/${input:service}",
       "console": "integratedTerminal",
+      "serverReadyAction": {
+        "pattern": "server listening on (https?://\\S+|[0-9]+)",
+        "uriFormat": "http://localhost:%s",
+        "action": "openExternally"
+      },
       "skipFiles": [
         "<node_internals>/**"
       ]
@@ -56,7 +41,10 @@
         "bookstore",
         "media-server",
         "office-supplies",
-        "reviews-service"
+        "orders-service",
+        "products-service",
+        "reviews-service",
+        "user-service"
       ],
       "default": "bookshop"
     }

.vscode/settings.json

@@ -1,6 +1,7 @@
 {
   "files.exclude": {
-    "**/.gitignore": true,
+    "**/.gitignore": false,
-    "**/.vscode": true
+    "**/.git": false,
+    "**/.vscode": false
   }
 }

.vscode/tasks.json

@@ -4,14 +4,23 @@
     "version": "2.0.0",
     "tasks": [
         {
-            "type": "npm", "script": "watch", "path": "packages/bookshop/",
+            "type": "shell", "label": "cds run bookshop",
-            "options": { "env": { "PORT": "4004" }},
+            "command": "npx", "args": [ "cds", "watch", "packages/bookshop" ],
-            "presentation": { "group": "A" }
+            "presentation": { "group": "A" },
+            "problemMatcher": []
         },
         {
-            "type": "npm", "script": "watch", "path": "packages/reviews-service/",
+            "type": "shell", "label": "cds run bookshop-enhanced",
-            "options": { "env": { "PORT": "5005" }},
+            "command": "npx", "args": [ "cds", "watch", "packages/bookshop-enhanced" ],
-            "presentation": { "group": "A" }
+            "presentation": { "group": "A" },
+            "problemMatcher": []
+        },
+        {
+            "type": "shell", "label": "cds run reviews-service",
+            "command": "npx", "args": [ "cds", "watch", "packages/reviews-service" ],
+            "options": {"env": { "PORT":"5005" }},
+            "presentation": { "group": "A" },
+            "problemMatcher": []
         }
     ]
 }

README.md

@@ -11,7 +11,7 @@ In SAP Business Application Studio, open a terminal.
 Then clone the repo with this specific branch:
 
 ```sh
-git clone https://github.com/sap-samples/cloud-cap-samples projects/cloud-cap-samples -b openSAP-week3-unit4
+git clone https://github.com/sap-samples/cloud-cap-samples projects/cloud-cap-samples -b openSAP-week2-unit4567
 cd projects/cloud-cap-samples
 ```
 
@@ -20,6 +20,16 @@ In the `cloud-cap-samples` folder run:
 npm install
 ```
 
+### Cloud Foundry Login
+This is required later in the demo.  In Studio's terminal, execute:
+```sh
+cf login
+```
+As input, provide
+- The Cloud Foundry API endpoint, which is usally `https://api.cf.eu10.hana.ondemand.com`.  It can be obtained from the Overview page of your Subaccount in Cloud Cockpit.
+- Your user's email address and password
+- The name of your trial organization and space
+
 ## Run
 
 Now you're ready to run the samples, for example:

package.json

@@ -5,9 +5,10 @@
   "author": "daniel.hutzel@sap.com",
   "private": true,
   "scripts": {
-    "lerna": "npx --no-install lerna -v > /dev/null || npm i lerna --no-save",
-    "install": "(npm -s run lerna) && lerna bootstrap --hoist",
     "cleanup": "lerna clean -y && rm -fr node_modules",
+    "install": "(npm -s run lerna) && lerna bootstrap --hoist",
+    "lerna": "npx --no-install lerna -v > /dev/null || npm i lerna --no-save",
+    "test": "jest",
     "bookshop": "cds watch packages/bookshop"
   },
   "dependencies": {
@@ -15,11 +16,11 @@
     "express": "^4"
   },
   "devDependencies": {
-    "sqlite3": "*"
-  },
-  "--add-these-to-devDependencies-for-tests": {
     "@types/jest": "*",
-    "jest": "*"
+    "sqlite3": "*",
+    "jest": "*",
+    "supertest": "^4.0.2",
+    "@sap/hdi-deploy": "3.7.0"
   },
   "license": "SAP SAMPLE CODE LICENSE"
 }

packages/bookshop/.vscode/launch.json

@@ -0,0 +1,31 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Run bookshop",
+      "request": "launch",
+      "type": "node",
+      "cwd": "/home/user/projects/cloud-cap-samples/packages/bookshop",
+      "runtimeExecutable": "npx",
+      "runtimeArgs": [
+        "-n"
+      ],
+      "args": [
+        "--",
+        "cds",
+        "run",
+        "--in-memory?"
+      ],
+      "console": "internalConsole",
+      "internalConsoleOptions": "openOnSessionStart",
+      "skipFiles": [
+        "<node_internals>/**"
+      ],
+      "env": {
+        "run.config": "{\"handlerId\":\"cap_run_config_handler_id\",\"runnableId\":\"/home/user/projects/cloud-cap-samples/packages/bookshop\"}"
+      }
+    }
+  ]
+}

packages/bookshop/package.json

@@ -1,25 +1,18 @@
 {
-    "name": "@sap/capire-bookshop",
+  "name": "@sap/capire-bookshop",
-    "version": "1.0.0",
+  "version": "1.0.0",
-    "description": "A simple bookshop application, build in a self-contained all-in-one fashion, i.e. w/o reusing other packages.",
+  "description": "A simple bookshop application, build in a self-contained all-in-one fashion, i.e. w/o reusing other packages.",
-    "license": "SAP SAMPLE CODE LICENSE",
+  "license": "SAP SAMPLE CODE LICENSE",
-    "dependencies": {
+  "dependencies": {
-      "@sap/cds": "^3",
+    "@sap/cds": "^3",
-      "express": "^4"
+    "express": "^4",
-    },
+    "hdb": "^0.17.1"
-    "scripts": {
+  },
-        "start": "cds run --in-memory?",
+  "devDependencies": {
-        "watch": "cds watch"
+    "jest": "*"
-    },
+  },
-    "cds": {
+  "scripts": {
-        "requires": {
+    "start": "npx cds run",
-            "db": {
+    "test": "jest"
-                "model": [
+  }
-                    "db",
-                    "srv"
-                ],
-                "kind": "sqlite"
-            }
-        }
-    }
 }

packages/bookshop/srv/admin-service.cds

@@ -8,9 +8,8 @@ service AdminService @(_requires:'authenticated-user') {
 
 // Enable Fiori Draft for Orders
 annotate AdminService.Orders with @odata.draft.enabled;
-// annotate AdminService.Books with @odata.draft.enabled;
 
-// Temporary workaround -> https://github.wdf.sap.corp/cap/issues/issues/3121
+// Temporary workaround -> cap/issues#3121
 extend service AdminService with {
   entity OrderItems as select from my.OrderItems;
 }

packages/bookshop/srv/admin-service.js

@@ -0,0 +1,22 @@
+const cds = require('@sap/cds')
+
+/** Service implementation for AdminService */
+module.exports = cds.service.impl(srv => {
+  const { OrderItems } = srv.entities ('sap.capire.bookshop')
+
+  srv.after (['READ','EDIT'], 'Orders', _calculateTotals)
+ 
+  // on-the-fly calculate the total Order price based on the OrderItems' netAmounts
+  async function _calculateTotals (orders, req) {
+    const ordersByID = Array.isArray(orders)
+      ? orders.reduce ((all,o) => { (all[o.ID] = o).total=0; return all },{})
+      : { [orders.ID]: orders }
+    return cds.transaction(req) .run (
+      SELECT.from(OrderItems) .columns ('parent_ID', 'netAmount')
+       .where ({ parent_ID: {in: Object.keys(ordersByID)} })
+    ) .then (items =>
+      items.forEach (item => ordersByID [item.parent_ID] .total += item.netAmount)
+    )
+  }
+
+})

packages/bookshop/srv/cat-service.cds

@@ -1,6 +1,7 @@
 using { sap.capire.bookshop as my } from '../db/schema';
 
 @path:'/browse'
+// @impl: './cat-service.js'
 service CatalogService {
 
   @readonly entity Books as SELECT from my.Books {*,

packages/bookshop/srv/cat-service.js

@@ -2,25 +2,27 @@ const cds = require('@sap/cds')
 const { Books } = cds.entities
 
 /** Service implementation for CatalogService */
-module.exports = cds.service.impl(function() {
+module.exports = cds.service.impl(srv => {
-  this.after ('READ', 'Books', each => each.stock > 111 && _addDiscount2(each,11))
+  srv.after ('READ', 'Books', each => each.stock > 111 && _addDiscount2(each,11))
-  this.before ('CREATE', 'Orders', _reduceStock)
+  srv.before ('CREATE', 'Orders', _reduceStock)
+  // srv.before ('*', (req) => { console.debug ('>>>', req.method, req.target.name) })
 })
 
 /** Add some discount for overstocked books */
 function _addDiscount2 (each,discount) {
   each.title += ` -- ${discount}% discount!`
 }
-
 /** Reduce stock of ordered books if available stock suffices */
 async function _reduceStock (req) {
-  const { Items: OrderItems } = req.data
+  const { Items: orderItems } = req.data
-  return cds.transaction(req) .run (()=> OrderItems.map (order =>
+
-    UPDATE (Books) .set ('stock -=', order.amount)
+  return cds.transaction(req) .run (()=> orderItems.map (item =>
-    .where ('ID =', order.book_ID) .and ('stock >=', order.amount)
+    UPDATE (Books)
-  )) .then (all => all.forEach ((affectedRows,i) => {
+      .set ('stock -=', item.amount)
-    if (affectedRows === 0)  req.error (409,
+      .where ('ID =', item.book_ID) .and ('stock >=', item.amount)
-      `${OrderItems[i].amount} exceeds stock for book #${OrderItems[i].book_ID}`
+  )).then (all => all.forEach ((affectedRows,i) => {
-    )
+    if (affectedRows === 0) {
+      req.error (409, `${orderItems[i].amount} exceeds stock for book #${orderItems[i].book_ID}`)
+    }
   }))
 }

packages/bookshop/tests/bookshop.test.js

@@ -0,0 +1,79 @@
+
+const cds = require('@sap/cds')
+
+describe('Bookshop: OData Protocol Level Testing', () => {
+  jest.setTimeout(20*1000)
+  const app = require('express')()
+  const request = require('supertest')(app)
+
+  beforeAll(async () => {
+    await cds.deploy(__dirname + '/../srv/cat-service').to('sqlite::memory:')
+    await cds.serve('CatalogService').from(__dirname + '/../srv/cat-service').in(app)
+  })
+
+  it('Service $metadata document', async () => {
+    const response = await request
+      .get('/browse/$metadata')
+      .expect('Content-Type', /^application\/xml/)
+      .expect(200)
+
+    const expectedVersion = '<edmx:Edmx Version="4.0" xmlns:edmx="http://docs.oasis-open.org/odata/ns/edmx">'
+    const expectedBooksEntitySet = '<EntitySet Name="Books" EntityType="CatalogService.Books">'
+    expect(response.text.includes(expectedVersion)).toBeTruthy()
+    expect(response.text.includes(expectedBooksEntitySet)).toBeTruthy()
+  })
+
+
+  it('Get with select, expand and localized', async () => {
+    const response = await request
+      .get('/browse/Books?$select=title,author&$expand=currency')
+      .set('Accept-Language', 'de')
+      .expect('Content-Type', /^application\/json/)
+      .expect(200)
+
+    expect(response.body.value).toMatchObject([
+      {
+        ID: 201, title: "Sturmhöhe", author: "Emily Brontë",
+        currency: { name: "Pfund", descr: "Britische Pfund", code: "GBP", symbol: "£" }
+      },
+      {
+        ID: 207, title: "Jane Eyre", author: "Charlotte Brontë",
+        currency: { name: "Pfund", descr: "Britische Pfund", code: "GBP", symbol: "£" }
+      },
+      {
+        ID: 251, title: "The Raven", author: "Edgar Allen Poe",
+        currency: { name: "US-Dollar", descr: "United States Dollar", code: "USD", symbol: "$" }
+      },
+      {
+        ID: 252, title: "Eleonora", author: "Edgar Allen Poe",
+        currency: { name: "US-Dollar", descr: "United States Dollar", code: "USD", symbol: "$" }
+      },
+      {
+        ID: 271, title: "Catweazle", author: "Richard Carpenter",
+        currency: { name: "Euro", descr: "European Euro", code: "EUR", symbol: "€" }
+      }
+    ])
+  })
+})
+
+describe('Bookshop: CDS Service Level Testing', () => {
+  let srv, Books
+
+  beforeAll(async () => {
+    srv = await cds.serve('CatalogService').from(__dirname + '/../srv/cat-service')
+    Books = srv.entities.Books
+    expect(Books).toBeDefined()
+  })
+
+  it('GETs all books', async () => {
+    const books = await srv.read(Books, b => { b.title })
+
+    expect(books).toMatchObject([
+      { title: 'Wuthering Heights' },
+      { title: 'Jane Eyre' },
+      { title: 'The Raven' },
+      { title: 'Eleonora' },
+      { title: 'Catweazle' }
+    ])
+  })
+})