Cleaned up tests

test/capire.js

@@ -0,0 +1,119 @@
+/** For static usage w/o launching a server */
+const { resolve, dirname } = require('path')
+
+class CDSTestKit {
+  for (...paths) {
+    const tk = new CDSTestKit
+    tk.root = resolve (...paths)
+    return tk
+  }
+  get chai() {
+    const chai = require('chai')
+    chai.use (require('chai-as-promised'))
+    chai.use (require('chai-subset'))
+    chai.should()
+    Object.defineProperty (this, 'chai', {value:chai})
+    return chai
+  }
+  get expect(){ return this.chai.expect }
+  get assert(){ return this.chai.assert }
+}
+
+const lazy = (new CDSTestKit) .for (__dirname,'../..')
+module.exports = exports = lazy
+
+// harmonizing jest and mocha
+const is_mocha = !global.test
+const is_jest = !!global.test
+if (is_jest) { // it's jest
+  global.before = (msg,fn) => global.beforeAll(fn||msg)
+  global.after = (msg,fn) => global.afterAll(fn||msg)
+} else { // it's mocha
+  global.beforeAll = global.before
+  global.afterAll = global.after
+  global.test = global.it
+}
+
+
+/** Launching and testing a cds server */
+exports.launch = (project, ...args) => {
+
+  // Setting up test server
+  const console = global.console, logs=[]
+  const axios = require('axios').default
+  const test = {
+
+    GET: (path,...etc) => axios.get (test.url+path,...etc) .catch(_error),
+    PUT: (path,...etc) => axios.put (test.url+path,...etc) .catch(_error),
+    POST: (path,...etc) => axios.post (test.url+path,...etc) .catch(_error),
+    PATCH: (path,...etc) => axios.patch (test.url+path,...etc) .catch(_error),
+    DELETE: (path,...etc) => axios.delete (test.url+path,...etc) .catch(_error),
+
+    get: (path,...etc) => axios.get (test.url+path,...etc) .catch(_error),
+    put: (path,...etc) => axios.put (test.url+path,...etc) .catch(_error),
+    post: (path,...etc) => axios.post (test.url+path,...etc) .catch(_error),
+    patch: (path,...etc) => axios.patch (test.url+path,...etc) .catch(_error),
+    delete: (path,...etc) => axios.delete (test.url+path,...etc) .catch(_error),
+
+    get chai(){ return lazy.chai },
+    get expect(){ return lazy.expect },
+    get assert(){ return lazy.assert },
+  }
+
+  // launch cds server...
+  before (done => {
+
+    const cds = require('@sap/cds'), { isdir } = cds.utils
+
+    let cmd = 'run'
+    if (project.startsWith('cds ')) [ cmd, project ] = [ project.slice(4), args.shift() ]
+    if (!args.length) args = ['--in-memory?']
+
+    // Supporting .launch (<package name>)
+    if (cmd === 'run') {
+      if (isdir(project)) ; //> all fine
+      else if (isdir(resolve(this.root,project))) project = resolve(this.root,project)
+      else try { project = dirname (require.resolve(project+'/package.json')) }
+      catch(e) { throw cds.error (`Cannot resolve project folder for '${project}'`) }
+    }
+
+    if (!process.env.CDS_TEST_VERBOSE) global.console = { __proto__: global.console, logs,
+      time: ()=>{}, timeEnd: (...args)=> logs.push(args),
+      debug: (...args)=> logs.push(args),
+      log: (...args)=> logs.push(args),
+      warn: (...args)=> logs.push(args),
+      error: (...args)=> logs.push(args),
+      dump(){ for (let each of logs) console.log (...each) },
+    }
+
+    // return done (new Error(11))
+    process.env.PORT = '0'
+    const p = cds.exec (cmd, project, ...args) // TODO w/ @sap/cds@3.33.3: , '--port', '0')
+    if (p && 'catch' in p) p.catch (e => {
+      if (is_mocha) console.error(e)
+      done(e)
+  })
+    // return done(new Error('dfghjkl'))
+
+    cds.once('listening', ({ server, url }) => {
+      Object.assign (test,{server,url})
+      done()
+    })
+  })
+
+  // shutdown cds server...
+  after (done => {
+    if (global.console !== console) global.console = console
+    test.server ? test.server.close (done) : done()
+  })
+
+  function _error (e) {
+    if (!e.response)  throw e
+    if (!e.response.data)  throw e
+    if (!e.response.data.error)  throw e
+    const { code, message } = e.response.data.error
+    throw new Error (code && code !== 'null' ? `${code} - ${message}` : message)
+  }
+
+  return test
+}