From f03975a0df333166a722c2dc59adc78ba1760790 Mon Sep 17 00:00:00 2001
From: Rohan <45748283+r100-stack@users.noreply.github.com>
Date: Mon, 30 Sep 2024 14:44:46 -0400
Subject: [PATCH] Prevent cypress environments from being treated as unit tests
 (#2273)

---
 .changeset/slow-otters-deny.md                    | 5 +++++
 packages/itwinui-react/src/utils/functions/dev.ts | 4 +++-
 2 files changed, 8 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/slow-otters-deny.md

diff --git a/.changeset/slow-otters-deny.md b/.changeset/slow-otters-deny.md
new file mode 100644
index 00000000000..2d8cf3b7449
--- /dev/null
+++ b/.changeset/slow-otters-deny.md
@@ -0,0 +1,5 @@
+---
+'@itwin/itwinui-react': patch
+---
+
+Fixed an issue where the internal unit test detection logic was incorrectly treating Cypress like a unit test environment.
diff --git a/packages/itwinui-react/src/utils/functions/dev.ts b/packages/itwinui-react/src/utils/functions/dev.ts
index 32a5fc3a066..5fb8e911d2b 100644
--- a/packages/itwinui-react/src/utils/functions/dev.ts
+++ b/packages/itwinui-react/src/utils/functions/dev.ts
@@ -6,10 +6,12 @@
 // @ts-expect-error -- jest is not used in iTwinUI but may be used in consuming apps
 const isJest = typeof jest !== 'undefined';
 
+const isCypress = typeof (globalThis as any).Cypress !== 'undefined';
 const isMocha =
   typeof (globalThis as any).beforeEach !== 'undefined' &&
   `${(globalThis as any).beforeEach}`.replace(/\s/g, '') ===
-    'function(name,fn){suites[0].beforeEach(name,fn);}';
+    'function(name,fn){suites[0].beforeEach(name,fn);}' &&
+  !isCypress;
 const isVitest = typeof (globalThis as any).__vitest_index__ !== 'undefined';
 
 const isUnitTest = isJest || isVitest || isMocha;