1 files changed, 41 insertions, 0 deletions
diff --git a/spec/frontend/admin/statistics_panel/store/mutations_spec.js b/spec/frontend/admin/statistics_panel/store/mutations_spec.js
new file mode 100644
index 00000000000..179f38d2bc5
--- /dev/null
+++ b/spec/frontend/admin/statistics_panel/store/mutations_spec.js
@@ -0,0 +1,41 @@
+import mutations from '~/admin/statistics_panel/store/mutations';
+import * as types from '~/admin/statistics_panel/store/mutation_types';
+import getInitialState from '~/admin/statistics_panel/store/state';
+import mockStatistics from '../mock_data';
+
+describe('Admin statistics panel mutations', () => {
+  let state;
+
+  beforeEach(() => {
+    state = getInitialState();
+  });
+
+  describe(`${types.REQUEST_STATISTICS}`, () => {
+    it('sets isLoading to true', () => {
+      mutations[types.REQUEST_STATISTICS](state);
+
+      expect(state.isLoading).toBe(true);
+    });
+  });
+
+  describe(`${types.RECEIVE_STATISTICS_SUCCESS}`, () => {
+    it('updates the store with the with statistics', () => {
+      mutations[types.RECEIVE_STATISTICS_SUCCESS](state, mockStatistics);
+
+      expect(state.isLoading).toBe(false);
+      expect(state.error).toBe(null);
+      expect(state.statistics).toEqual(mockStatistics);
+    });
+  });
+
+  describe(`${types.RECEIVE_STATISTICS_ERROR}`, () => {
+    it('sets error and clears data', () => {
+      const error = 500;
+      mutations[types.RECEIVE_STATISTICS_ERROR](state, error);
+
+      expect(state.isLoading).toBe(false);
+      expect(state.error).toBe(error);
+      expect(state.statistics).toEqual(null);
+    });
+  });
+});