30b577138d
git-subtree-dir: thirdparty/preact git-subtree-split: b2d90cc116f1d1998f7a7c98dc6986bf4c1841f4
99 lines
3.3 KiB
JavaScript
99 lines
3.3 KiB
JavaScript
import { Component } from '../../src/preact';
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import { createLinkedState } from '../../src/linked-state';
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describe('linked-state', () => {
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class TestComponent extends Component { }
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let testComponent, linkFunction;
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before( () => {
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testComponent = new TestComponent();
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sinon.spy(TestComponent.prototype, 'setState');
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});
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describe('createLinkedState without eventPath argument', () => {
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before( () => {
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linkFunction = createLinkedState(testComponent,'testStateKey');
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expect(linkFunction).to.be.a('function');
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});
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beforeEach( () => {
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TestComponent.prototype['setState'].reset();
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});
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it('should use value attribute on text input when no eventPath is supplied', () => {
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let element = document.createElement('input');
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element.type= 'text';
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element.value = 'newValue';
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linkFunction({ currentTarget: element });
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expect(TestComponent.prototype.setState).to.have.been.calledOnce;
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expect(TestComponent.prototype.setState).to.have.been.calledWith({'testStateKey': 'newValue'});
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linkFunction.call(element);
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expect(TestComponent.prototype.setState).to.have.been.calledTwice;
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expect(TestComponent.prototype.setState.secondCall).to.have.been.calledWith({'testStateKey': 'newValue'});
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});
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it('should use checked attribute on checkbox input when no eventPath is supplied', () => {
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let checkboxElement = document.createElement('input');
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checkboxElement.type= 'checkbox';
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checkboxElement.checked = true;
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linkFunction({ currentTarget: checkboxElement });
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expect(TestComponent.prototype.setState).to.have.been.calledOnce;
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expect(TestComponent.prototype.setState).to.have.been.calledWith({'testStateKey': true});
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});
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it('should use checked attribute on radio input when no eventPath is supplied', () => {
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let radioElement = document.createElement('input');
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radioElement.type= 'radio';
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radioElement.checked = true;
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linkFunction({ currentTarget: radioElement });
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expect(TestComponent.prototype.setState).to.have.been.calledOnce;
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expect(TestComponent.prototype.setState).to.have.been.calledWith({'testStateKey': true});
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});
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it('should set dot notated state key appropriately', () => {
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linkFunction = createLinkedState(testComponent,'nested.state.key');
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let element = document.createElement('input');
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element.type= 'text';
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element.value = 'newValue';
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linkFunction({ currentTarget: element });
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expect(TestComponent.prototype.setState).to.have.been.calledOnce;
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expect(TestComponent.prototype.setState).to.have.been.calledWith({nested: {state: {key: 'newValue'}}});
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});
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});
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describe('createLinkedState with eventPath argument', () => {
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before( () => {
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linkFunction = createLinkedState(testComponent,'testStateKey', 'nested.path');
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expect(linkFunction).to.be.a('function');
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});
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beforeEach( () => {
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TestComponent.prototype['setState'].reset();
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});
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it('should give precedence to nested.path on event over nested.path on component', () => {
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let event = {nested: {path: 'nestedPathValueFromEvent'}};
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let component = {_component: {nested: {path: 'nestedPathValueFromComponent'}}};
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linkFunction.call(component, event);
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expect(TestComponent.prototype.setState).to.have.been.calledOnce;
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expect(TestComponent.prototype.setState).to.have.been.calledWith({'testStateKey': 'nestedPathValueFromEvent'});
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});
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});
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});
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