1 files changed, 74 insertions, 0 deletions
diff --git a/spec/frontend/ide/stores/extend_spec.js b/spec/frontend/ide/stores/extend_spec.js
new file mode 100644
index 00000000000..b0f1063153e
--- /dev/null
+++ b/spec/frontend/ide/stores/extend_spec.js
@@ -0,0 +1,74 @@
+import extendStore from '~/ide/stores/extend';
+import terminalPlugin from '~/ide/stores/plugins/terminal';
+import terminalSyncPlugin from '~/ide/stores/plugins/terminal_sync';
+
+jest.mock('~/ide/stores/plugins/terminal', () => jest.fn());
+jest.mock('~/ide/stores/plugins/terminal_sync', () => jest.fn());
+
+describe('ide/stores/extend', () => {
+  let prevGon;
+  let store;
+  let el;
+
+  beforeEach(() => {
+    prevGon = global.gon;
+    store = {};
+    el = {};
+
+    [terminalPlugin, terminalSyncPlugin].forEach(x => {
+      const plugin = jest.fn();
+
+      x.mockImplementation(() => plugin);
+    });
+  });
+
+  afterEach(() => {
+    global.gon = prevGon;
+    terminalPlugin.mockClear();
+    terminalSyncPlugin.mockClear();
+  });
+
+  const withGonFeatures = features => {
+    global.gon = { ...global.gon, features };
+  };
+
+  describe('terminalPlugin', () => {
+    beforeEach(() => {
+      extendStore(store, el);
+    });
+
+    it('is created', () => {
+      expect(terminalPlugin).toHaveBeenCalledWith(el);
+    });
+
+    it('is called with store', () => {
+      expect(terminalPlugin()).toHaveBeenCalledWith(store);
+    });
+  });
+
+  describe('terminalSyncPlugin', () => {
+    describe('when buildServiceProxy feature is enabled', () => {
+      beforeEach(() => {
+        withGonFeatures({ buildServiceProxy: true });
+
+        extendStore(store, el);
+      });
+
+      it('is created', () => {
+        expect(terminalSyncPlugin).toHaveBeenCalledWith(el);
+      });
+
+      it('is called with store', () => {
+        expect(terminalSyncPlugin()).toHaveBeenCalledWith(store);
+      });
+    });
+
+    describe('when buildServiceProxy feature is disabled', () => {
+      it('is not created', () => {
+        extendStore(store, el);
+
+        expect(terminalSyncPlugin).not.toHaveBeenCalled();
+      });
+    });
+  });
+});