Feat #30 - Fix snapshot test bug (matchMedia)

dassana-io · Aug 11, 2020 · ca616d4 · ca616d4
1 parent e588bc2
commit ca616d4
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/src/storybook.test.ts b/src/storybook.test.ts
@@ -1,2 +1,17 @@
 import initStoryshots from '@storybook/addon-storyshots'
+
+Object.defineProperty(window, 'matchMedia', {
+	writable: true,
+	value: jest.fn().mockImplementation(query => ({
+		matches: false,
+		media: query,
+		onchange: null,
+		addListener: jest.fn(), // deprecated
+		removeListener: jest.fn(), // deprecated
+		addEventListener: jest.fn(),
+		removeEventListener: jest.fn(),
+		dispatchEvent: jest.fn()
+	}))
+})
+
 initStoryshots()