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|
import { Router, Link, route } from 'src';
import { h, render } from 'preact';
import assertCloneOf from '../test_helpers/assert-clone-of';
chai.use(assertCloneOf);
describe('preact-router', () => {
it('should export Router, Link and route', () => {
expect(Router).to.be.a('function');
expect(Link).to.be.a('function');
expect(route).to.be.a('function');
});
describe('Router', () => {
let scratch;
let router;
beforeEach(() => {
scratch = document.createElement('div');
document.body.appendChild(scratch);
});
afterEach(() => {
document.body.removeChild(scratch);
router.componentWillUnmount();
});
it('should filter children based on URL', () => {
let children = [
<foo path="/" />,
<foo path="/foo" />,
<foo path="/foo/bar" />
];
render(
(
<Router ref={ref => (router = ref)}>
{children}
</Router>
),
scratch
);
expect(
router.render({ children }, { url:'/foo' })
).to.be.cloneOf(children[1]);
expect(
router.render({ children }, { url:'/' })
).to.be.cloneOf(children[0]);
expect(
router.render({ children }, { url:'/foo/bar' })
).to.be.cloneOf(children[2]);
});
it('should support nested parameterized routes', () => {
let children = [
<foo path="/foo" />,
<foo path="/foo/:bar" />,
<foo path="/foo/:bar/:baz" />
];
render(
(
<Router ref={ref => (router = ref)}>
{children}
</Router>
),
scratch
);
expect(
router.render({ children }, { url:'/foo' })
).to.be.cloneOf(children[0]);
expect(
router.render({ children }, { url:'/foo/bar' })
).to.be.cloneOf(children[1], { matches: { bar:'bar' }, url:'/foo/bar' });
expect(
router.render({ children }, { url:'/foo/bar/baz' })
).be.cloneOf(children[2], { matches: { bar:'bar', baz:'baz' }, url:'/foo/bar/baz' });
});
it('should support default routes', () => {
let children = [
<foo default />,
<foo path="/" />,
<foo path="/foo" />
];
render(
(
<Router ref={ref => (router = ref)}>
{children}
</Router>
),
scratch
);
expect(
router.render({ children }, { url:'/foo' })
).to.be.cloneOf(children[2]);
expect(
router.render({ children }, { url:'/' })
).to.be.cloneOf(children[1]);
expect(
router.render({ children }, { url:'/asdf/asdf' })
).to.be.cloneOf(children[0], { matches: {}, url:'/asdf/asdf' });
});
it('should support initial route prop', () => {
let children = [
<foo default />,
<foo path="/" />,
<foo path="/foo" />
];
render(
(
<Router url="/foo" ref={ref => (router = ref)}>
{children}
</Router>
),
scratch
);
expect(
router.render({ children }, router.state)
).to.be.cloneOf(children[2]);
render(null, scratch);
render(
(
<Router ref={ref => (router = ref)}>
{children}
</Router>
),
scratch
);
expect(router).to.have.deep.property('state.url', location.pathname + (location.search || ''));
});
it('should support custom history', () => {
let push = sinon.spy();
let replace = sinon.spy();
let listen = sinon.spy();
let getCurrentLocation = sinon.spy(() => ({pathname: '/initial'}));
let children = [
<index path="/" />,
<foo path="/foo" />,
<bar path="/bar" />
];
render(
(
<Router history={{ push, replace, getCurrentLocation, listen }} ref={ref => (router = ref)}>
{children}
</Router>
),
scratch
);
router.componentWillMount();
router.render(router.props, router.state);
expect(getCurrentLocation, 'getCurrentLocation').to.have.been.calledOnce;
expect(router).to.have.deep.property('state.url', '/initial');
route('/foo');
expect(push, 'push').to.have.been.calledOnce.and.calledWith('/foo');
route('/bar', true);
expect(replace, 'replace').to.have.been.calledOnce.and.calledWith('/bar');
router.componentWillUnmount();
});
});
describe('route()', () => {
let router;
let scratch;
beforeEach(() => {
scratch = document.createElement('div');
document.body.appendChild(scratch);
render(
(
<Router url="/foo" ref={ref => (router = ref)}>
<foo path="/" />
<foo path="/foo" />
</Router>
),
scratch
);
sinon.spy(router, 'routeTo');
});
afterEach(() => {
router.componentWillUnmount();
document.body.removeChild(scratch);
});
it('should return true for existing route', () => {
router.routeTo.resetHistory();
expect(route('/')).to.equal(true);
expect(router.routeTo)
.to.have.been.calledOnce
.and.calledWithExactly('/');
router.routeTo.resetHistory();
expect(route('/foo')).to.equal(true);
expect(router.routeTo)
.to.have.been.calledOnce
.and.calledWithExactly('/foo');
});
it('should return false for missing route', () => {
router.routeTo.resetHistory();
expect(route('/asdf')).to.equal(false);
expect(router.routeTo)
.to.have.been.calledOnce
.and.calledWithExactly('/asdf');
});
it('should return true for fallback route', () => {
let oldChildren = router.props.children;
router.props.children = [
<foo default />,
...oldChildren
];
router.routeTo.resetHistory();
expect(route('/asdf')).to.equal(true);
expect(router.routeTo)
.to.have.been.calledOnce
.and.calledWithExactly('/asdf');
});
});
});
|
