Add dedupe tests again.

Author: onurtemizkan

packages/browser/test/e2e/test/dedupe.test.js

@@ -0,0 +1,52 @@
+const { test, expect } = require('@playwright/test');
+const Sentry = require('@sentry/browser');
+
+const { getSentryEvents } = require('./utils/helpers');
+
+test.describe('Dedupe Integration', () => {
+  test.beforeEach(async ({ baseURL, page }) => {
+    await page.goto(baseURL);
+  });
+
+  test(`doesn't drop message event if it has a different message from previous`, async ({ page }) => {
+    const browserEvents = await getSentryEvents(page, () => {
+      [0, 1].forEach(idx => {
+        Sentry.captureMessage(`test_${idx}`);
+      });
+    });
+
+    expect(browserEvents).toHaveLength(2);
+  });
+
+  test('drops duplicate event if it has the same message as previous', async ({ page }) => {
+    const browserEvents = await getSentryEvents(page, () => {
+      [0, 1].forEach(() => {
+        Sentry.captureMessage('test');
+      });
+    });
+
+    expect(browserEvents).toHaveLength(1);
+  });
+
+  test(`drops separately thrown exceptions of the same type and message`, async ({ page }) => {
+    const browserEvents = await getSentryEvents(page, () => {
+      [0, 1].forEach(() => {
+        Sentry.captureException(Error('test'));
+      });
+    });
+
+    expect(browserEvents).toHaveLength(1);
+  });
+
+  test('drops duplicate exception if it has the same fingerprint as previous', async ({ page }) => {
+    const browserEvents = await getSentryEvents(page, () => {
+      const testError = Error('test');
+
+      [0, 1].forEach(() => {
+        Sentry.captureException(testError);
+      });
+    });
+
+    expect(browserEvents).toHaveLength(1);
+  });
+});