group reducer and group registry tests

src/app/+admin/admin-access-control/group-registry/group-registry.reducers.spec.ts

@@ -0,0 +1,54 @@
+import { GroupMock } from '../../../shared/testing/group-mock';
+import { GroupRegistryCancelGroupAction, GroupRegistryEditGroupAction } from './group-registry.actions';
+import { groupRegistryReducer, GroupRegistryState } from './group-registry.reducers';
+
+const initialState: GroupRegistryState = {
+  editGroup: null,
+};
+
+const editState: GroupRegistryState = {
+  editGroup: GroupMock,
+};
+
+class NullAction extends GroupRegistryEditGroupAction {
+  type = null;
+
+  constructor() {
+    super(undefined);
+  }
+}
+
+describe('groupRegistryReducer', () => {
+
+  it('should return the current state when no valid actions have been made', () => {
+    const state = initialState;
+    const action = new NullAction();
+    const newState = groupRegistryReducer(state, action);
+
+    expect(newState).toEqual(state);
+  });
+
+  it('should start with an initial state', () => {
+    const state = initialState;
+    const action = new NullAction();
+    const initState = groupRegistryReducer(undefined, action);
+
+    expect(initState).toEqual(state);
+  });
+
+  it('should update the current state to change the editGroup to a new group when GroupRegistryEditGroupAction is dispatched', () => {
+    const state = editState;
+    const action = new GroupRegistryEditGroupAction(GroupMock);
+    const newState = groupRegistryReducer(state, action);
+
+    expect(newState.editGroup).toEqual(GroupMock);
+  });
+
+  it('should update the current state to remove the editGroup from the state when GroupRegistryCancelGroupAction is dispatched', () => {
+    const state = editState;
+    const action = new GroupRegistryCancelGroupAction();
+    const newState = groupRegistryReducer(state, action);
+
+    expect(newState.editGroup).toEqual(null);
+  });
+});