feature: Adding debug logging

Author: ryan-bennett

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@eresearchqut/jest-testcontainers",
-  "version": "3.6.0",
+  "version": "3.6.1",
   "description": "Jest preset for starting docker containers that stay up while your tests run.",
   "main": "dist/index",
   "types": "dist/index",

src/environment.ts

@@ -1,17 +1,19 @@
 import { readFileSync } from "fs";
 import NodeEnvironment from "jest-environment-node";
-import { join } from "path";
 import { Script } from "vm";
+import {log} from "./logger";
+import {GLOBAL_VARS_JSON_PATH} from "./setup";
 
-const GLOBAL_VARS_JSON_PATH = join(__dirname, "global.vars.json");
 
 export function setGlobalsWithJsonString(globals: any, jsonString: string) {
   const globalVars = JSON.parse(jsonString);
   const globalVarKeys = Object.keys(globalVars);
 
   globalVarKeys.forEach(globalVarKey => {
+    log.debug(`${globals[globalVarKey]}=${globalVars[globalVarKey]}`);
     // @ts-ignore
     globals[globalVarKey] = globalVars[globalVarKey];
+
   });
 }
 
@@ -22,8 +24,8 @@ export class TestcontainersEnvironment extends NodeEnvironment {
   }
 
   public async setup() {
+    log.debug(`Reading global vars from ${GLOBAL_VARS_JSON_PATH}`);
     const globalVarsJsonString = readFileSync(GLOBAL_VARS_JSON_PATH, "utf-8");
-
     setGlobalsWithJsonString(this.global, globalVarsJsonString);
     await super.setup();
   }

src/setup.ts

@@ -6,9 +6,9 @@ import {
   startAllContainers
 } from "./containers";
 
-import { log } from "./logger";
 
-const GLOBAL_VARS_JSON_PATH = join(__dirname, "global.vars.json");
+
+export const GLOBAL_VARS_JSON_PATH = join(__dirname, "global.vars.json");
 const createEnv = (name: string, key: string) =>
   `__TESTCONTAINERS_${name.toUpperCase()}_${key.toUpperCase()}__`;
 
@@ -48,7 +48,7 @@ async function setup(opts: any) {
     allStartedContainersMetaInfo
   );
 
-  log.debug(`Writing global env: ${JSON.stringify({location: GLOBAL_VARS_JSON_PATH, globalEnv})}`);
+
   writeFileSync(GLOBAL_VARS_JSON_PATH, JSON.stringify(globalEnv), "utf-8");
   // @ts-ignore
   global.__TESTCONTAINERS__ = Object.values(allStartedContainersMetaInfo).map(