1 files changed, 57 insertions, 0 deletions
diff --git a/spec/frontend/projects/commit/store/mutations_spec.js b/spec/frontend/projects/commit/store/mutations_spec.js
new file mode 100644
index 00000000000..59ab3d9a74a
--- /dev/null
+++ b/spec/frontend/projects/commit/store/mutations_spec.js
@@ -0,0 +1,57 @@
+import mutations from '~/projects/commit/store/mutations';
+import * as types from '~/projects/commit/store/mutation_types';
+
+describe('Commit form modal mutations', () => {
+  let stateCopy;
+
+  describe('REQUEST_BRANCHES', () => {
+    it('should set isFetching to true', () => {
+      stateCopy = { isFetching: false };
+
+      mutations[types.REQUEST_BRANCHES](stateCopy);
+
+      expect(stateCopy.isFetching).toBe(true);
+    });
+  });
+
+  describe('RECEIVE_BRANCHES_SUCCESS', () => {
+    it('should set branches', () => {
+      stateCopy = { branch: '_existing_branch_', isFetching: true };
+
+      mutations[types.RECEIVE_BRANCHES_SUCCESS](stateCopy, ['_branch_1_', '_branch_2_']);
+
+      expect(stateCopy.branches).toEqual(['_existing_branch_', '_branch_1_', '_branch_2_']);
+      expect(stateCopy.isFetching).toEqual(false);
+    });
+  });
+
+  describe('CLEAR_MODAL', () => {
+    it('should clear modal state ', () => {
+      stateCopy = { branch: '_master_', defaultBranch: '_default_branch_' };
+
+      mutations[types.CLEAR_MODAL](stateCopy);
+
+      expect(stateCopy.branch).toEqual('_default_branch_');
+    });
+  });
+
+  describe('SET_BRANCH', () => {
+    it('should set branch', () => {
+      stateCopy = { branch: '_master_' };
+
+      mutations[types.SET_BRANCH](stateCopy, '_changed_branch_');
+
+      expect(stateCopy.branch).toBe('_changed_branch_');
+    });
+  });
+
+  describe('SET_SELECTED_BRANCH', () => {
+    it('should set selectedBranch', () => {
+      stateCopy = { selectedBranch: '_master_' };
+
+      mutations[types.SET_SELECTED_BRANCH](stateCopy, '_changed_branch_');
+
+      expect(stateCopy.selectedBranch).toBe('_changed_branch_');
+    });
+  });
+});