1 files changed, 17 insertions, 0 deletions
diff --git a/src/__mocks__/attachmediastream.js b/src/__mocks__/attachmediastream.js
new file mode 100644
index 000000000..74178ed27
--- /dev/null
+++ b/src/__mocks__/attachmediastream.js
@@ -0,0 +1,17 @@
+/**
+ * Basic "attachmediastream" implementation without using "webrtc-adapter", as
+ * "browserDetails" is null in unit tests.
+ *
+ * @param {MediaStream} stream the stream to attach
+ * @param {HTMLElement} element the element to attach the stream to
+ * @param {object} options ignored
+ */
+export default function(stream, element, options) {
+	if (!element) {
+		element = document.createElement(options.audio ? 'audio' : 'video')
+	}
+
+	element.srcObject = stream
+
+	return element
+}