Files
gerrit/polygerrit-ui/app/elements/shared/gr-rest-api-interface/gr-rest-apis/gr-rest-api-helper_test.html
Tao Zhou 1c2c9ee45e Enable arrow-body-style with as-needed
requireReturnForObjectLiteral for readability

Change-Id: I433937b44757939a31ca92512f0aaf0884f86d27
2020-01-10 12:37:45 +01:00

175 lines
5.5 KiB
HTML

<!DOCTYPE html>
<!--
@license
Copyright (C) 2019 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-rest-api-helper</title>
<script src="/bower_components/webcomponentsjs/custom-elements-es5-adapter.js"></script>
<script src="/bower_components/webcomponentsjs/webcomponents-lite.js"></script>
<script src="/bower_components/web-component-tester/browser.js"></script>
<link rel="import" href="../../../../test/common-test-setup.html"/>
<script src="../../../../scripts/util.js"></script>
<script src="../gr-auth.js"></script>
<script src="gr-rest-api-helper.js"></script>
<script>void(0);</script>
<script>
suite('gr-rest-api-helper tests', () => {
let helper;
let sandbox;
let cache;
let fetchPromisesCache;
setup(() => {
sandbox = sinon.sandbox.create();
cache = new SiteBasedCache();
fetchPromisesCache = new FetchPromisesCache();
window.CANONICAL_PATH = 'testhelper';
const mockRestApiInterface = {
getBaseUrl: sinon.stub().returns(window.CANONICAL_PATH),
fire: sinon.stub(),
};
const testJSON = ')]}\'\n{"hello": "bonjour"}';
sandbox.stub(window, 'fetch').returns(Promise.resolve({
ok: true,
text() {
return Promise.resolve(testJSON);
},
}));
helper = new GrRestApiHelper(cache, Gerrit.Auth, fetchPromisesCache,
mockRestApiInterface);
});
teardown(() => {
sandbox.restore();
});
suite('fetchJSON()', () => {
test('Sets header to accept application/json', () => {
const authFetchStub = sandbox.stub(helper._auth, 'fetch')
.returns(Promise.resolve());
helper.fetchJSON({url: '/dummy/url'});
assert.isTrue(authFetchStub.called);
assert.equal(authFetchStub.lastCall.args[1].headers.get('Accept'),
'application/json');
});
test('Use header option accept when provided', () => {
const authFetchStub = sandbox.stub(helper._auth, 'fetch')
.returns(Promise.resolve());
const headers = new Headers();
headers.append('Accept', '*/*');
const fetchOptions = {headers};
helper.fetchJSON({url: '/dummy/url', fetchOptions});
assert.isTrue(authFetchStub.called);
assert.equal(authFetchStub.lastCall.args[1].headers.get('Accept'),
'*/*');
});
});
test('JSON prefix is properly removed', done => {
helper.fetchJSON({url: '/dummy/url'}).then(obj => {
assert.deepEqual(obj, {hello: 'bonjour'});
done();
});
});
test('cached results', done => {
let n = 0;
sandbox.stub(helper, 'fetchJSON', () => Promise.resolve(++n));
const promises = [];
promises.push(helper.fetchCacheURL('/foo'));
promises.push(helper.fetchCacheURL('/foo'));
promises.push(helper.fetchCacheURL('/foo'));
Promise.all(promises).then(results => {
assert.deepEqual(results, [1, 1, 1]);
helper.fetchCacheURL('/foo').then(foo => {
assert.equal(foo, 1);
done();
});
});
});
test('cached promise', done => {
const promise = Promise.reject(new Error('foo'));
cache.set('/foo', promise);
helper.fetchCacheURL({url: '/foo'}).catch(p => {
assert.equal(p.message, 'foo');
done();
});
});
test('cache invalidation', () => {
cache.set('/foo/bar', 1);
cache.set('/bar', 2);
fetchPromisesCache.set('/foo/bar', 3);
fetchPromisesCache.set('/bar', 4);
helper.invalidateFetchPromisesPrefix('/foo/');
assert.isFalse(cache.has('/foo/bar'));
assert.isTrue(cache.has('/bar'));
assert.isUndefined(fetchPromisesCache.get('/foo/bar'));
assert.strictEqual(4, fetchPromisesCache.get('/bar'));
});
test('params are properly encoded', () => {
let url = helper.urlWithParams('/path/', {
sp: 'hola',
gr: 'guten tag',
noval: null,
});
assert.equal(url,
window.CANONICAL_PATH + '/path/?sp=hola&gr=guten%20tag&noval');
url = helper.urlWithParams('/path/', {
sp: 'hola',
en: ['hey', 'hi'],
});
assert.equal(url, window.CANONICAL_PATH + '/path/?sp=hola&en=hey&en=hi');
// Order must be maintained with array params.
url = helper.urlWithParams('/path/', {
l: ['c', 'b', 'a'],
});
assert.equal(url, window.CANONICAL_PATH + '/path/?l=c&l=b&l=a');
});
test('request callbacks can be canceled', done => {
let cancelCalled = false;
window.fetch.returns(Promise.resolve({
body: {
cancel() { cancelCalled = true; },
},
}));
const cancelCondition = () => true;
helper.fetchJSON({url: '/dummy/url', cancelCondition}).then(
obj => {
assert.isUndefined(obj);
assert.isTrue(cancelCalled);
done();
});
});
});
</script>