Fix failures on the pipelines due to memory issues (#1206)

The testkit pipelines are failing given the log size generated from the
testkit tests.

This PR enables the configuration of log levels for testkit backend ('info' by
default) and downgrades the message parameters messages to 'debug' for
saving space on logs.

packages/testkit-backend/deno/controller.ts

@@ -64,12 +64,14 @@ export function createHandler(
   ) {
     const context = newContext();
     const wire = newWire(context, (response) => {
-      console.log("response:", response);
+      console.log("response:", response.name);
+      console.debug(response.data);
       return reply(response);
     });
 
     for await (const request of requests()) {
-      console.log("request:", request);
+      console.log("request:", request.name);
+      console.debug(request.data);
       const { data, name } = request;
       if (!(name in requestHandlers)) {
         console.log("Unknown request: " + name);

packages/testkit-backend/deno/deps.ts

@@ -6,3 +6,4 @@ export { default as neo4j } from "../../neo4j-driver-deno/lib/mod.ts";
 export { createGetFeatures } from "../src/feature/index.js";
 export * as handlers from "../src/request-handlers.js";
 export { default as CypherNativeBinders } from "../src/cypher-native-binders.js";
+export { default as configurableConsole } from "../src/console.configurable.js";

packages/testkit-backend/deno/index.ts

@@ -1,4 +1,5 @@
 import {
+  configurableConsole,
   Context,
   createGetFeatures,
   CypherNativeBinders,
@@ -29,6 +30,7 @@ const logLevel = Deno.env.get("TEST_LOG_LEVEL");
 const createContext = () =>
   new Context(shouldRunTest, getFeatures, binder, logLevel);
 
+configurableConsole.install(logLevel);
 const listener = channel.listen(9876);
 const handle = controller.createHandler(neo4j, createContext, requestHandlers);
 

packages/testkit-backend/src/channel/testkit-protocol.js

@@ -62,14 +62,16 @@ export default class Protocol extends EventEmitter {
 
   serializeResponse (response) {
     const responseStr = stringify(response)
-    console.log('> writing response', responseStr)
+    console.log('> writing response', response.name)
+    console.debug(responseStr)
     return ['#response begin', responseStr, '#response end'].join('\n') + '\n'
   }
 
   _emitRequest () {
     const request = JSON.parse(this._request)
     const { name, data } = request
-    console.log('> Got request ' + name, data)
+    console.log('> Got request ' + name)
+    console.debug(data)
     this.emit('request', { name, data })
   }
 }

packages/testkit-backend/src/console.configurable.js

@@ -0,0 +1,42 @@
+const originalConsole = console
+
+const config = {
+  level: 'info',
+  canRun: (method) => {
+    if (config.level === 'debug') {
+      return true
+    } else if (config.level === 'info') {
+      return method !== 'debug'
+    } else if (config.level === 'warn') {
+      return method !== 'debug' &&
+               method !== 'log'
+    } else if (config.level === 'error') {
+      return method !== 'debug' &&
+                method !== 'log' &&
+                method !== 'warn'
+    }
+    return true
+  }
+}
+
+export default {
+  install (level = 'info') {
+    this.setLevel(level)
+    // eslint-disable-next-line no-global-assign
+    console = new Proxy({}, {
+      get: (_, method) => (...args) => {
+        if (config.canRun(method)) {
+          originalConsole[method].apply(originalConsole, args)
+        }
+      }
+    })
+  },
+  setLevel (level) {
+    config.level = (level || 'info').toLowerCase()
+  },
+  uninstall () {
+    config.level = 'info'
+    // eslint-disable-next-line no-global-assign
+    console = originalConsole
+  }
+}

packages/testkit-backend/src/index.js

@@ -8,6 +8,7 @@ import { createGetFeatures } from './feature'
 import * as REQUEST_HANDLERS from './request-handlers.js'
 import * as RX_REQUEST_HANDLERS from './request-handlers-rx.js'
 import remoteConsole from './console.remote.js'
+import configurableConsole from './console.configurable.js'
 
 const SUPPORTED_TLS = (() => {
   if (tls.DEFAULT_MAX_VERSION) {
@@ -39,6 +40,8 @@ function main () {
   const shouldRunTest = getShouldRunTest([...driverDescriptorList, sessionTypeDescriptor])
   const getFeatures = createGetFeatures([sessionTypeDescriptor], SUPPORTED_TLS)
 
+  configurableConsole.install(process.env.TEST_LOG_LEVEL || 'info')
+
   const newChannel = () => {
     if (channelType.toUpperCase() === 'WEBSOCKET') {
       const channel = new WebSocketChannel(new URL(`ws://localhost:${backendPort}`))

packages/testkit-backend/src/request-handlers.js

@@ -1,4 +1,5 @@
 import * as responses from './responses.js'
+import configurableConsole from './console.configurable.js'
 
 export function throwFrontendError () {
   throw new Error('TestKit FrontendError')
@@ -376,6 +377,9 @@ export function StartTest (_, context, { testName }, wire) {
   } else {
     context.logLevel = null
   }
+
+  configurableConsole.setLevel(context.logLevel || context.environmentLogLevel)
+
   const shouldRunTest = context.getShouldRunTestFunction()
   shouldRunTest(testName, {
     onRun: () => {