From be4e107c8500adfc9212e9292b376a86b1a56f9d Mon Sep 17 00:00:00 2001
From: Adam Gastineau <adam@agg.im>
Date: Fri, 14 Feb 2025 10:19:07 -0800
Subject: [PATCH] TerminalReporter display of warnings

---
 packages/playwright/src/reporters/base.ts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/packages/playwright/src/reporters/base.ts b/packages/playwright/src/reporters/base.ts
index 1748cac9b9..9c82f6a504 100644
--- a/packages/playwright/src/reporters/base.ts
+++ b/packages/playwright/src/reporters/base.ts
@@ -270,6 +270,7 @@ export class TerminalReporter implements ReporterV2 {
     if (full && summary.failuresToPrint.length && !this._omitFailures)
       this._printFailures(summary.failuresToPrint);
     this._printSlowTests();
+    this._printWarnings();
     this._printSummary(summaryMessage);
   }
 
@@ -289,6 +290,28 @@ export class TerminalReporter implements ReporterV2 {
       console.log(this.screen.colors.yellow('  Consider running tests from slow files in parallel, see https://playwright.dev/docs/test-parallel.'));
   }
 
+  private _printWarnings() {
+    const warningTests = this.suite.allTests().filter(test => test.annotations.some(a => a.type === 'warning'));
+    const encounteredWarnings = new Map<string, Array<TestCase>>();
+    for (const test of warningTests) {
+      for (const annotation of test.annotations) {
+        if (annotation.type !== 'warning' || annotation.description === undefined)
+          continue;
+        let tests = encounteredWarnings.get(annotation.description);
+        if (!tests) {
+          tests = [];
+          encounteredWarnings.set(annotation.description, tests);
+        }
+        tests.push(test);
+      }
+    }
+    for (const [description, tests] of encounteredWarnings) {
+      console.log(this.screen.colors.yellow('  Warning: ') + description);
+      for (const test of tests)
+        console.log(this.formatTestHeader(test, { indent: '    ', mode: 'default' }));
+    }
+  }
+
   private _printSummary(summary: string) {
     if (summary.trim())
       console.log(summary);