1 files changed, 40 insertions, 0 deletions
diff --git a/cypress/support/utils/assertions.ts b/cypress/support/utils/assertions.ts
new file mode 100644
index 00000000000..08b93b32e86
--- /dev/null
+++ b/cypress/support/utils/assertions.ts
@@ -0,0 +1,40 @@
+/*!
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+import { ZipReader } from '@zip.js/zip.js'
+/**
+ * Assert that a file contains a list of expected files
+ * @param expectedFiles List of expected filenames
+ * @example
+ * ```js
+ * cy.readFile('file', null, { ... })
+ *    .should(zipFileContains(['file.txt']))
+ * ```
+ */
+export function zipFileContains(expectedFiles: string[]) {
+	return async (buffer: Buffer) => {
+		const blob = new Blob([buffer])
+		const zip = new ZipReader(blob.stream())
+		// check the real file names
+		const entries = (await zip.getEntries()).map((e) => e.filename).sort()
+		console.info('Zip contains entries:', entries)
+		expect(entries).to.deep.equal(expectedFiles.sort())
+	}
+}
+
+/**
+ * Check validity of an input element
+ * @param validity The expected validity message (empty string means it is valid)
+ * @example
+ * ```js
+ * cy.findByRole('textbox')
+ *     .should(haveValidity(/must not be empty/i))
+ * ```
+ */
+export const haveValidity = (validity: string | RegExp) => {
+	if (typeof validity === 'string') {
+		return (el: JQuery<HTMLElement>) => expect((el.get(0) as HTMLInputElement).validationMessage).to.equal(validity)
+	}
+	return (el: JQuery<HTMLElement>) => expect((el.get(0) as HTMLInputElement).validationMessage).to.match(validity)
+}