From 48a7679b8a8b3df80d7f90ac6f4a852f47a8df22 Mon Sep 17 00:00:00 2001
From: anatawa12 <anatawa12@icloud.com>
Date: Sun, 14 Apr 2024 08:08:26 +0900
Subject: [PATCH] test: do not use indexedDB in cypress environment due to
 chrome bug (#13709)

---
 cypress/support/commands.ts                |  4 ++++
 packages/frontend/src/scripts/idb-proxy.ts | 10 ++++++++++
 2 files changed, 14 insertions(+)

diff --git a/cypress/support/commands.ts b/cypress/support/commands.ts
index c2d92e166..281f2e6cc 100644
--- a/cypress/support/commands.ts
+++ b/cypress/support/commands.ts
@@ -30,9 +30,13 @@ Cypress.Commands.add('visitHome', () => {
 })
 
 Cypress.Commands.add('resetState', () => {
+	// iframe.contentWindow.indexedDB.deleteDatabase() がchromeのバグで使用できないため、indexedDBを無効化している。
+	// see https://github.com/misskey-dev/misskey/issues/13605#issuecomment-2053652123
+	/*
 	cy.window().then(win => {
 		win.indexedDB.deleteDatabase('keyval-store');
 	});
+	 */
 	cy.request('POST', '/api/reset-db', {}).as('reset');
 	cy.get('@reset').its('status').should('equal', 204);
 	cy.reload(true);
diff --git a/packages/frontend/src/scripts/idb-proxy.ts b/packages/frontend/src/scripts/idb-proxy.ts
index 1ca0990ba..6b511f2a5 100644
--- a/packages/frontend/src/scripts/idb-proxy.ts
+++ b/packages/frontend/src/scripts/idb-proxy.ts
@@ -15,6 +15,16 @@ const fallbackName = (key: string) => `idbfallback::${key}`;
 
 let idbAvailable = typeof window !== 'undefined' ? !!(window.indexedDB && window.indexedDB.open) : true;
 
+// iframe.contentWindow.indexedDB.deleteDatabase() がchromeのバグで使用できないため、indexedDBを無効化している。
+// バグが治って再度有効化するのであれば、cypressのコマンド内のコメントアウトを外すこと
+// see https://github.com/misskey-dev/misskey/issues/13605#issuecomment-2053652123
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-expect-error
+if (window.Cypress) {
+	idbAvailable = false;
+	console.log('Cypress detected. It will use localStorage.');
+}
+
 if (idbAvailable) {
 	await iset('idb-test', 'test')
 		.catch(err => {