File size: 2,501 Bytes
1e92f2d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | import WhatsYourName from '../src/03-WhatsYourName.js';
describe("03 - What's Your Name?", () => {
var component;
var paragraphs;
var inputs;
var nameInParagraphEqualsTo = (paragraph, name) => {
var children = paragraph.props.children;
var text = _.isArray(children) ? children.join("") : children;
return _.isEqual(text, `Hello ${ name }`);
}
beforeEach( () => {
var elem = document.createElement('div');
elem = document.body.appendChild(elem);
component = React.render(React.createElement(WhatsYourName), elem);
paragraphs = React.addons.TestUtils.scryRenderedDOMComponentsWithTag(component, 'p');
inputs = React.addons.TestUtils.scryRenderedDOMComponentsWithTag(component, 'input');
});
afterEach( () => {
React.unmountComponentAtNode(React.findDOMNode(component));
});
describe("should complete all tasks", () => {
describe("Task #1 - greet user", () => {
it("Should change name in paragraph on name change in input", () =>{
var input = _.first(inputs);
var paragraph = _.first(paragraphs);
assert.equal(paragraphs.length, 1, "There should be only one `p` element rendered by the component");
assert.equal(inputs.length, 1, "There should be only one `input` rendered by the component");
React.addons.TestUtils.Simulate.change(input, {target: { value: "XYZ" } });
assert.equal(nameInParagraphEqualsTo(paragraph, 'XYZ'), true, "After changing name in input, I should see the change in `p` element's content. In other words: `this.state.name` should change.");
React.addons.TestUtils.Simulate.change(input, {target: { value: "ZYX" } });
assert.equal(nameInParagraphEqualsTo(paragraph, 'ZYX'), true, "After changing name in input for the second time, we should see the change in `p` element. In other words: `this.state.name` should change.");
});
});
describe("Task #2 - don't greet user if name wasn't provided", () => {
it("Should display welcoming message if user didn't provide their name", () => {
var input = _.first(inputs);
var paragraph = _.first(paragraphs);
React.addons.TestUtils.Simulate.change(input, {target: { value: "" } });
assert.equal(paragraph.props.children, "Hey there. Enter your name.",
"If user didn't enter the name (`this.state.name` length is 0), show \"Hey there. Enter your name.\". See the hint in task's description."
);
});
});
});
});
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