accounts-frontend/tests/components/ui/popup/reducer.test.js

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import expect from 'unexpected';
import reducer from 'components/ui/popup/reducer';
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import {create, destroy} from 'components/ui/popup/actions';
describe('popup/reducer', () => {
it('should have no popups by default', () => {
const actual = reducer(undefined, {});
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expect(actual.popups, 'to be an', 'array');
expect(actual.popups, 'to be empty');
});
describe('#create', () => {
it('should create popup', () => {
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const actual = reducer(undefined, create({
Popup: FakeComponent
}));
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expect(actual.popups[0], 'to equal', {
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Popup: FakeComponent
});
});
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it('should support shortcut popup creation', () => {
const actual = reducer(undefined, create(FakeComponent));
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expect(actual.popups[0], 'to equal', {
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Popup: FakeComponent
});
});
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it('should create multiple popups', () => {
let actual = reducer(undefined, create({
Popup: FakeComponent
}));
actual = reducer(actual, create({
Popup: FakeComponent
}));
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expect(actual.popups[1], 'to equal', {
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Popup: FakeComponent
});
});
it('throws when no type provided', () => {
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expect(() => reducer(undefined, create()), 'to throw', 'Popup is required');
});
});
describe('#destroy', () => {
let state;
let popup;
beforeEach(() => {
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state = reducer(state, create(FakeComponent));
popup = state.popups[0];
});
it('should remove popup', () => {
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expect(state.popups, 'to have length', 1);
state = reducer(state, destroy(popup));
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expect(state.popups, 'to have length', 0);
});
it('should not remove something, that it should not', () => {
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state = reducer(state, create({
Popup: FakeComponent
}));
state = reducer(state, destroy(popup));
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expect(state.popups, 'to have length', 1);
expect(state.popups[0], 'not to be', popup);
});
});
});
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function FakeComponent() {}