also support passing env variables from the config

Author: uwinkelvos

package.json

@@ -128,8 +128,16 @@
           },
           "nodejs-testing.envFile": {
             "type": "string",
-            "description": "Absolute path to a file containing environment variable definitions.\n\nNote: template parameters like ${workspaceFolder} will be resolved.",
+            "markdownDescription": "Absolute path to a file containing environment variable definitions.\n\nNote: template parameters like ${workspaceFolder} will be resolved.",
             "default": ""
+          },
+          "nodejs-testing.env": {
+            "type": "object",
+            "markdownDescription": "Environment variables passed to the program. The value null removes the variable from the environment.\n\nNote: This takes precedence over envFile.",
+            "additionalProperties": {
+              "type": "string"
+            },
+            "default": {}
           }
         }
       }

src/extension.ts

@@ -25,6 +25,7 @@ export async function activate(context: vscode.ExtensionContext) {
     context.extensionUri.fsPath,
     new ConfigValue("nodejsParameters", []),
     new ConfigValue("envFile", ""),
+    new ConfigValue("env", {}),
     extensions,
   );
 

src/runner.ts

@@ -38,6 +38,7 @@ export class TestRunner {
     extensionDir: string,
     private readonly nodejsParameters: ConfigValue<string[]>,
     private readonly envFile: ConfigValue<string>,
+    private readonly env: ConfigValue<Record<string, string>>,
     private readonly extensions: ConfigValue<ExtensionConfig[]>,
   ) {
     this.workerPath = join(extensionDir, "out", "runner-worker.js");
@@ -88,9 +89,14 @@ export class TestRunner {
         const outputQueue = new OutputQueue();
 
         const extensions = this.extensions.value;
-        const extraEnv = this.envFile.value
-          ? parseEnv(await fs.readFile(replaceVariables(this.envFile.value), "utf-8"))
-          : {};
+        const envFile = this.envFile.value
+          ? await fs.readFile(replaceVariables(this.envFile.value))
+          : null;
+        const envFileValues = envFile ? parseEnv(envFile) : {};
+        const extraEnv = {
+          ...envFileValues,
+          ...this.env.value,
+        };
 
         await new Promise<void>((resolve, reject) => {
           const socket = getRandomPipe();