testkit: Enable routing tests

Treating the messages SessionBeginTransaction and TransactionCommit, and fix the session access mode param.

Author: bigmontz

testkit-backend/context.js

@@ -0,0 +1,90 @@
+export default class Context {
+  constructor () {
+    this._id = 0
+    this._drivers = {}
+    this._sessions = {}
+    this._txs = {}
+    this._resultObservers = {}
+    this._errors = {}
+  }
+
+  addDriver (driver) {
+    return this._add(this._drivers, driver)
+  }
+
+  addSession (session) {
+    return this._add(this._sessions, session)
+  }
+
+  addTx (tx, sessionId, resolve, reject) {
+    const id = this._add(this._txs, {
+      sessionId,
+      tx,
+      resolve,
+      reject
+    })
+    this._txs[id].id = id
+    return id
+  }
+
+  addError (error) {
+    return this._add(this._errors, error)
+  }
+
+  addResultObserver (observer) {
+    return this._add(this._resultObservers, observer)
+  }
+
+  getDriver (id) {
+    return this._drivers[id]
+  }
+
+  getSession (id) {
+    console.log(this._sessions)
+    return this._sessions[id]
+  }
+
+  getTx (id) {
+    return this._txs[id]
+  }
+
+  getResultObserver (id) {
+    return this._resultObservers[id]
+  }
+
+  getError (id) {
+    return this._errors[id]
+  }
+
+  removeDriver (id) {
+    delete this._drivers[id]
+  }
+
+  removeSession (id) {
+    delete this._sessions[id]
+  }
+
+  removeTx (id) {
+    delete this._txs[id]
+  }
+
+  removeResultObserver (id) {
+    delete this._resultObservers[id]
+  }
+
+  getResultObserversBySessionId (sessionId) {
+    return Object.values(this._resultObservers).filter(
+      obs => obs.sessionId === sessionId
+    )
+  }
+
+  getTxsBySessionId (sessionId) {
+    return Object.values(this._txs).filter(tx => tx.sessionId === sessionId)
+  }
+
+  _add (map, object) {
+    this._id++
+    map[this._id] = object
+    return this._id
+  }
+}

testkit-backend/cypher-native-binders.js

@@ -1,4 +1,4 @@
-const neo4j = require('neo4j-driver')
+import neo4j from 'neo4j-driver'
 
 export function valueResponse (name, value) {
   return { name: name, data: { value: value } }