spec/javascripts/vue_mr_widget/components/states/mr_widget_sha_mismatch_spec.js


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import Vue from 'vue';
import ShaMismatch from '~/vue_merge_request_widget/components/states/sha_mismatch.vue';
import mountComponent from 'spec/helpers/vue_mount_component_helper';
import removeBreakLine from 'spec/helpers/vue_component_helper';

describe('ShaMismatch', () => {
  let vm;

  beforeEach(() => {
    const Component = Vue.extend(ShaMismatch);
    vm = mountComponent(Component);
  });

  afterEach(() => {
    vm.$destroy();
  });

  it('should render information message', () => {
    expect(vm.$el.querySelector('button').disabled).toEqual(true);

    expect(
      removeBreakLine(vm.$el.textContent).trim(),
    ).toContain('The source branch HEAD has recently changed. Please reload the page and review the changes before merging');
  });
});