chore: added teardown script (#1162)

e2e/teardown.ts

@@ -0,0 +1,27 @@
+import dotenv from "dotenv";
+import postgres from "postgres";
+
+dotenv.config(); // Load .env file contents into process.env
+
+export const teardown = async () => {
+  try {
+    if (!process.env.DATABASE_URL || !process.env.E2E_USER_ID)
+      throw new Error("Missing env variables for DB clean up script");
+    const db = postgres(process.env.DATABASE_URL as string);
+
+    // the test suit adds posts created by the E2E user. We want to remove them between test runs
+    await db`
+    DELETE FROM "Post" WHERE "userId" = ${process.env.E2E_USER_ID as string}
+  `;
+    // the test suit adds comments created by the E2E user. We want to remove them between test runs
+    await db`
+    DELETE FROM "Comment" WHERE "userId" = ${process.env.E2E_USER_ID as string}
+  `;
+
+    console.log("DB clean up successful");
+  } catch (err) {
+    console.log("Error while cleaning up DB after E2E test run", err);
+  }
+};
+
+export default teardown;

playwright.config.ts

@@ -10,6 +10,7 @@ import { defineConfig, devices } from "@playwright/test";
  * See https://playwright.dev/docs/test-configuration.
  */
 export default defineConfig({
+  globalTeardown: "./e2e/teardown.ts",
   testDir: "e2e",
   /* Run tests in files in parallel */
   fullyParallel: true,