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import Vue from 'vue';
import SuggestionDiffHeaderComponent from '~/vue_shared/components/markdown/suggestion_diff_header.vue';
const MOCK_DATA = {
canApply: true,
isApplied: false,
helpPagePath: 'path_to_docs',
};
describe('Suggestion Diff component', () => {
let vm;
function createComponent(propsData) {
const Component = Vue.extend(SuggestionDiffHeaderComponent);
return new Component({
propsData,
}).$mount();
}
beforeEach(done => {
vm = createComponent(MOCK_DATA);
Vue.nextTick(done);
});
describe('init', () => {
it('renders a suggestion header', () => {
const header = vm.$el.querySelector('.qa-suggestion-diff-header');
expect(header).not.toBeNull();
expect(header.innerHTML.includes('Suggested change')).toBe(true);
});
it('renders a help button', () => {
const helpBtn = vm.$el.querySelector('.js-help-btn');
expect(helpBtn).not.toBeNull();
});
it('renders an apply button', () => {
const applyBtn = vm.$el.querySelector('.qa-apply-btn');
expect(applyBtn).not.toBeNull();
expect(applyBtn.innerHTML.includes('Apply suggestion')).toBe(true);
});
it('does not render an apply button if `canApply` is set to false', () => {
const props = Object.assign(MOCK_DATA, { canApply: false });
vm = createComponent(props);
expect(vm.$el.querySelector('.qa-apply-btn')).toBeNull();
});
});
describe('applySuggestion', () => {
it('emits when the apply button is clicked', () => {
const props = Object.assign(MOCK_DATA, { canApply: true });
vm = createComponent(props);
spyOn(vm, '$emit');
vm.applySuggestion();
expect(vm.$emit).toHaveBeenCalled();
});
it('does not emit when the canApply is set to false', () => {
spyOn(vm, '$emit');
vm.canApply = false;
vm.applySuggestion();
expect(vm.$emit).not.toHaveBeenCalled();
});
});
});
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