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/**
* @license
* Copyright (C) 2017 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.
*/
import '../../../test/common-test-setup-karma';
import {GrEtagDecorator} from './gr-etag-decorator';
suite('gr-etag-decorator', () => {
let etag: GrEtagDecorator;
const fakeRequest = (opt_etag?: string, opt_status?: number) => {
const headers = new Headers();
if (opt_etag) {
headers.set('etag', opt_etag);
}
const status = opt_status || 200;
return {...new Response(), ok: true, status, headers};
};
setup(() => {
etag = new GrEtagDecorator();
});
test('exists', () => {
assert.isOk(etag);
});
test('works', () => {
etag.collect('/foo', fakeRequest('bar'), '');
const options = etag.getOptions('/foo');
assert.strictEqual(options!.headers!.get('If-None-Match'), 'bar');
});
test('updates etags', () => {
etag.collect('/foo', fakeRequest('bar'), '');
etag.collect('/foo', fakeRequest('baz'), '');
const options = etag.getOptions('/foo');
assert.strictEqual(options!.headers!.get('If-None-Match'), 'baz');
});
test('discards empty etags', () => {
etag.collect('/foo', fakeRequest('bar'), '');
etag.collect('/foo', fakeRequest(), '');
const options = etag.getOptions('/foo', {headers: new Headers()});
assert.isNull(options!.headers!.get('If-None-Match'));
});
test('discards etags in order used', () => {
etag.collect('/foo', fakeRequest('bar'), '');
for (let i = 0; i < 29; i++) {
etag.collect(`/qaz/${i}`, fakeRequest('qaz'), '');
}
let options = etag.getOptions('/foo');
assert.strictEqual(options!.headers!.get('If-None-Match'), 'bar');
etag.collect('/zaq', fakeRequest('zaq'), '');
options = etag.getOptions('/foo', {headers: new Headers()});
assert.isNull(options!.headers!.get('If-None-Match'));
});
test('getCachedPayload', () => {
const payload = 'payload';
etag.collect('/foo', fakeRequest('bar'), payload);
assert.strictEqual(etag.getCachedPayload('/foo'), payload);
etag.collect('/foo', fakeRequest('bar', 304), 'garbage');
assert.strictEqual(etag.getCachedPayload('/foo'), payload);
etag.collect('/foo', fakeRequest('bar', 200), 'new payload');
assert.strictEqual(etag.getCachedPayload('/foo'), 'new payload');
});
});
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