1 files changed, 83 insertions, 0 deletions
diff --git a/spec/frontend/feature_flags/components/strategy_parameters_spec.js b/spec/frontend/feature_flags/components/strategy_parameters_spec.js
new file mode 100644
index 00000000000..314fb0f21f4
--- /dev/null
+++ b/spec/frontend/feature_flags/components/strategy_parameters_spec.js
@@ -0,0 +1,83 @@
+import { shallowMount } from '@vue/test-utils';
+import { last } from 'lodash';
+import {
+  ROLLOUT_STRATEGY_ALL_USERS,
+  ROLLOUT_STRATEGY_PERCENT_ROLLOUT,
+  ROLLOUT_STRATEGY_USER_ID,
+  ROLLOUT_STRATEGY_GITLAB_USER_LIST,
+} from '~/feature_flags/constants';
+import Default from '~/feature_flags/components/strategies/default.vue';
+import GitlabUserList from '~/feature_flags/components/strategies/gitlab_user_list.vue';
+import PercentRollout from '~/feature_flags/components/strategies/percent_rollout.vue';
+import UsersWithId from '~/feature_flags/components/strategies/users_with_id.vue';
+import StrategyParameters from '~/feature_flags/components/strategy_parameters.vue';
+import { allUsersStrategy, userList } from '../mock_data';
+
+const DEFAULT_PROPS = {
+  strategy: allUsersStrategy,
+  userLists: [userList],
+};
+
+describe('~/feature_flags/components/strategy_parameters.vue', () => {
+  let wrapper;
+
+  const factory = (props = {}) =>
+    shallowMount(StrategyParameters, {
+      propsData: {
+        ...DEFAULT_PROPS,
+        ...props,
+      },
+    });
+
+  afterEach(() => {
+    if (wrapper?.destroy) {
+      wrapper.destroy();
+    }
+
+    wrapper = null;
+  });
+
+  describe.each`
+    name                                 | component
+    ${ROLLOUT_STRATEGY_ALL_USERS}        | ${Default}
+    ${ROLLOUT_STRATEGY_PERCENT_ROLLOUT}  | ${PercentRollout}
+    ${ROLLOUT_STRATEGY_USER_ID}          | ${UsersWithId}
+    ${ROLLOUT_STRATEGY_GITLAB_USER_LIST} | ${GitlabUserList}
+  `('with $name', ({ name, component }) => {
+    let strategy;
+
+    beforeEach(() => {
+      strategy = { name, parameters: {} };
+      wrapper = factory({ strategy });
+    });
+
+    it('should show the correct component', () => {
+      expect(wrapper.contains(component)).toBe(true);
+    });
+
+    it('should emit changes from the lower component', () => {
+      const strategyParameterWrapper = wrapper.find(component);
+
+      strategyParameterWrapper.vm.$emit('change', { parameters: { foo: 'bar' } });
+
+      expect(last(wrapper.emitted('change'))).toEqual([
+        {
+          name,
+          parameters: { foo: 'bar' },
+        },
+      ]);
+    });
+  });
+
+  describe('pass through props', () => {
+    it('should pass through any extra props that might be needed', () => {
+      wrapper = factory({
+        strategy: {
+          name: ROLLOUT_STRATEGY_GITLAB_USER_LIST,
+        },
+      });
+
+      expect(wrapper.find(GitlabUserList).props('userLists')).toEqual([userList]);
+    });
+  });
+});