1 files changed, 47 insertions, 0 deletions
diff --git a/spec/javascripts/releases/store/mutations_spec.js b/spec/javascripts/releases/store/mutations_spec.js
new file mode 100644
index 00000000000..72b98529fe9
--- /dev/null
+++ b/spec/javascripts/releases/store/mutations_spec.js
@@ -0,0 +1,47 @@
+import state from '~/releases/store/state';
+import mutations from '~/releases/store/mutations';
+import * as types from '~/releases/store/mutation_types';
+import { releases } from '../mock_data';
+
+describe('Releases Store Mutations', () => {
+  let stateCopy;
+
+  beforeEach(() => {
+    stateCopy = state();
+  });
+
+  describe('REQUEST_RELEASES', () => {
+    it('sets isLoading to true', () => {
+      mutations[types.REQUEST_RELEASES](stateCopy);
+
+      expect(stateCopy.isLoading).toEqual(true);
+    });
+  });
+
+  describe('RECEIVE_RELEASES_SUCCESS', () => {
+    beforeEach(() => {
+      mutations[types.RECEIVE_RELEASES_SUCCESS](stateCopy, releases);
+    });
+
+    it('sets is loading to false', () => {
+      expect(stateCopy.isLoading).toEqual(false);
+    });
+
+    it('sets hasError to false', () => {
+      expect(stateCopy.hasError).toEqual(false);
+    });
+
+    it('sets data', () => {
+      expect(stateCopy.releases).toEqual(releases);
+    });
+  });
+
+  describe('RECEIVE_RELEASES_ERROR', () => {
+    it('resets data', () => {
+      mutations[types.RECEIVE_RELEASES_ERROR](stateCopy);
+
+      expect(stateCopy.isLoading).toEqual(false);
+      expect(stateCopy.releases).toEqual([]);
+    });
+  });
+});