1 files changed, 67 insertions, 0 deletions
diff --git a/spec/frontend/ide/stores/mutations/merge_request_spec.js b/spec/frontend/ide/stores/mutations/merge_request_spec.js
new file mode 100644
index 00000000000..e30ca22022f
--- /dev/null
+++ b/spec/frontend/ide/stores/mutations/merge_request_spec.js
@@ -0,0 +1,67 @@
+import mutations from '~/ide/stores/mutations/merge_request';
+import state from '~/ide/stores/state';
+
+describe('IDE store merge request mutations', () => {
+  let localState;
+
+  beforeEach(() => {
+    localState = state();
+    localState.projects = { abcproject: { mergeRequests: {} } };
+
+    mutations.SET_MERGE_REQUEST(localState, {
+      projectPath: 'abcproject',
+      mergeRequestId: 1,
+      mergeRequest: {
+        title: 'mr',
+      },
+    });
+  });
+
+  describe('SET_CURRENT_MERGE_REQUEST', () => {
+    it('sets current merge request', () => {
+      mutations.SET_CURRENT_MERGE_REQUEST(localState, 2);
+
+      expect(localState.currentMergeRequestId).toBe(2);
+    });
+  });
+
+  describe('SET_MERGE_REQUEST', () => {
+    it('setsmerge request data', () => {
+      const newMr = localState.projects.abcproject.mergeRequests[1];
+
+      expect(newMr.title).toBe('mr');
+      expect(newMr.active).toBeTruthy();
+    });
+  });
+
+  describe('SET_MERGE_REQUEST_CHANGES', () => {
+    it('sets merge request changes', () => {
+      mutations.SET_MERGE_REQUEST_CHANGES(localState, {
+        projectPath: 'abcproject',
+        mergeRequestId: 1,
+        changes: {
+          diff: 'abc',
+        },
+      });
+
+      const newMr = localState.projects.abcproject.mergeRequests[1];
+
+      expect(newMr.changes.diff).toBe('abc');
+    });
+  });
+
+  describe('SET_MERGE_REQUEST_VERSIONS', () => {
+    it('sets merge request versions', () => {
+      mutations.SET_MERGE_REQUEST_VERSIONS(localState, {
+        projectPath: 'abcproject',
+        mergeRequestId: 1,
+        versions: [{ id: 123 }],
+      });
+
+      const newMr = localState.projects.abcproject.mergeRequests[1];
+
+      expect(newMr.versions.length).toBe(1);
+      expect(newMr.versions[0].id).toBe(123);
+    });
+  });
+});