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+'use strict';
+/*
+ * Copyright (C) 2011 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.
+ */
+
+const assert = require('assert');
+const CachePolicy = require('..');
+
+describe('okhttp tests', function(){
+ it('responseCachingByResponseCode', function(){
+ // Test each documented HTTP/1.1 code, plus the first unused value in each range.
+ // http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
+
+ assertCached(false, 100);
+ assertCached(false, 101);
+ assertCached(false, 102);
+ assertCached(true, 200);
+ assertCached(false, 201);
+ assertCached(false, 202);
+ assertCached(true, 203);
+ assertCached(true, 204);
+ assertCached(false, 205);
+ assertCached(false, 206); //Electing to not cache partial responses
+ assertCached(false, 207);
+ assertCached(true, 300);
+ assertCached(true, 301);
+ assertCached(true, 302);
+ // assertCached(false, 303);
+ assertCached(false, 304);
+ assertCached(false, 305);
+ assertCached(false, 306);
+ assertCached(true, 307);
+ assertCached(true, 308);
+ assertCached(false, 400);
+ assertCached(false, 401);
+ assertCached(false, 402);
+ assertCached(false, 403);
+ assertCached(true, 404);
+ assertCached(true, 405);
+ assertCached(false, 406);
+ assertCached(false, 408);
+ assertCached(false, 409);
+ // the HTTP spec permits caching 410s, but the RI doesn't.
+ assertCached(true, 410);
+ assertCached(false, 411);
+ assertCached(false, 412);
+ assertCached(false, 413);
+ assertCached(true, 414);
+ assertCached(false, 415);
+ assertCached(false, 416);
+ assertCached(false, 417);
+ assertCached(false, 418);
+ assertCached(false, 429);
+
+ assertCached(false, 500);
+ assertCached(true, 501);
+ assertCached(false, 502);
+ assertCached(false, 503);
+ assertCached(false, 504);
+ assertCached(false, 505);
+ assertCached(false, 506);
+ });
+
+ function assertCached(shouldPut, responseCode) {
+ let expectedResponseCode = responseCode;
+
+ const mockResponse = {headers:{
+ "last-modified": formatDate(-1, 3600),
+ "expires": formatDate(1, 3600),
+ "www-authenticate": "challenge",
+ },
+ status: responseCode,
+ body: "ABCDE",
+ };
+ if (responseCode == 407) {
+ mockResponse.headers["proxy-authenticate"] = "Basic realm=\"protected area\"";
+ } else if (responseCode == 401) {
+ mockResponse.headers["www-authenticate"] = "Basic realm=\"protected area\"";
+ } else if (responseCode == 204 || responseCode == 205) {
+ mockResponse.body = ""; // We forbid bodies for 204 and 205.
+ }
+
+ const request = {url: "/", headers:{}};
+
+ const cache = new CachePolicy(request, mockResponse, {shared:false});
+
+ assert.equal(shouldPut, cache.storable());
+ }
+
+
+ it('defaultExpirationDateFullyCachedForLessThan24Hours', function() {
+ // last modified: 105 seconds ago
+ // served: 5 seconds ago
+ // default lifetime: (105 - 5) / 10 = 10 seconds
+ // expires: 10 seconds from served date = 5 seconds from now
+ const cache = new CachePolicy({headers:{}}, {headers:{
+ "last-modified": formatDate(-105, 1),
+ "date": formatDate(-5, 1),
+ },
+ body: "A"}, {shared:false});
+
+ assert(cache.timeToLive() > 4000);
+ });
+
+ it('defaultExpirationDateFullyCachedForMoreThan24Hours', function() {
+ // last modified: 105 days ago
+ // served: 5 days ago
+ // default lifetime: (105 - 5) / 10 = 10 days
+ // expires: 10 days from served date = 5 days from now
+ const cache = new CachePolicy({headers:{}}, {headers:{
+ "last-modified": formatDate(-105, 3600*24),
+ "date": formatDate(-5, 3600*24),
+ },
+ body: "A"}, {shared:false});
+
+ assert(cache.maxAge() >= 10*3600*24);
+ assert(cache.timeToLive()+1000 >= 5*3600*24);
+ });
+
+ it('maxAgeInThePastWithDateHeaderButNoLastModifiedHeader', function() {
+ // Chrome interprets max-age relative to the local clock. Both our cache
+ // and Firefox both use the earlier of the local and server's clock.
+ const cache = new CachePolicy({headers:{}}, {headers:{
+ "date": formatDate(-120, 1),
+ "cache-control": "max-age=60",
+ }}, {shared:false});
+
+ assert(cache.stale());
+ });
+
+ it('maxAgePreferredOverLowerSharedMaxAge', function() {
+ const cache = new CachePolicy({headers:{}}, {headers:{
+ "date": formatDate(-2, 60),
+ "cache-control": "s-maxage=60, max-age=180",
+ }}, {shared:false});
+
+ assert.equal(cache.maxAge(), 180);
+ });
+
+ it('maxAgePreferredOverHigherMaxAge', function() {
+ const cache = new CachePolicy({headers:{}}, {headers:{
+ "date": formatDate(-3, 60),
+ "cache-control": "s-maxage=60, max-age=180",
+ }}, {shared:false});
+
+ assert(cache.stale());
+ });
+
+ it('requestMethodOptionsIsNotCached', function() {
+ testRequestMethodNotCached("OPTIONS");
+ });
+
+ it('requestMethodPutIsNotCached', function() {
+ testRequestMethodNotCached("PUT");
+ });
+
+ it('requestMethodDeleteIsNotCached', function() {
+ testRequestMethodNotCached("DELETE");
+ });
+
+ it('requestMethodTraceIsNotCached', function() {
+ testRequestMethodNotCached("TRACE");
+ });
+
+ function testRequestMethodNotCached(method) {
+ // 1. seed the cache (potentially)
+ // 2. expect a cache hit or miss
+ const cache = new CachePolicy({method, headers:{}}, {headers:{
+ "expires": formatDate(1, 3600),
+ }}, {shared:false});
+
+ assert(cache.stale());
+ }
+
+ it('etagAndExpirationDateInTheFuture', function() {
+ const cache = new CachePolicy({headers:{}}, {headers:{
+ "etag": "v1",
+ "last-modified": formatDate(-2, 3600),
+ "expires": formatDate(1, 3600),
+ }}, {shared:false});
+
+ assert(cache.timeToLive() > 0);
+ });
+
+ it('clientSideNoStore', function() {
+ const cache = new CachePolicy({headers:{
+ "cache-control": "no-store",
+ }}, {headers:{
+ "cache-control": "max-age=60",
+ }}, {shared:false});
+
+ assert(!cache.storable());
+ });
+
+ it('requestMaxAge', function() {
+ const cache = new CachePolicy({headers:{}}, {headers:{
+ "last-modified": formatDate(-2, 3600),
+ "date": formatDate(-1, 60),
+ "expires": formatDate(1, 3600),
+ }}, {shared:false});
+
+ assert(!cache.stale());
+ assert(cache.age() >= 60);
+
+ assert(cache.satisfiesWithoutRevalidation({headers:{
+ "cache-control": "max-age=90",
+ }}));
+
+ assert(!cache.satisfiesWithoutRevalidation({headers:{
+ "cache-control": "max-age=30",
+ }}));
+ });
+
+ it('requestMinFresh', function() {
+ const cache = new CachePolicy({headers:{}}, {headers:{
+ "cache-control": "max-age=60",
+ }}, {shared:false});
+
+ assert(!cache.stale());
+
+ assert(!cache.satisfiesWithoutRevalidation({headers:{
+ "cache-control": "min-fresh=120",
+ }}));
+
+ assert(cache.satisfiesWithoutRevalidation({headers:{
+ "cache-control": "min-fresh=10",
+ }}));
+ });
+
+ it('requestMaxStale', function() {
+ const cache = new CachePolicy({headers:{}}, {headers:{
+ "cache-control": "max-age=120",
+ "date": formatDate(-4, 60),
+ }}, {shared:false});
+
+ assert(cache.stale());
+
+ assert(cache.satisfiesWithoutRevalidation({headers:{
+ "cache-control": "max-stale=180",
+ }}));
+
+ assert(cache.satisfiesWithoutRevalidation({headers:{
+ "cache-control": "max-stale",
+ }}));
+
+ assert(!cache.satisfiesWithoutRevalidation({headers:{
+ "cache-control": "max-stale=10",
+ }}));
+ });
+
+ it('requestMaxStaleNotHonoredWithMustRevalidate', function() {
+ const cache = new CachePolicy({headers:{}}, {headers:{
+ "cache-control": "max-age=120, must-revalidate",
+ "date": formatDate(-4, 60),
+ }}, {shared:false});
+
+ assert(cache.stale());
+
+ assert(!cache.satisfiesWithoutRevalidation({headers:{
+ "cache-control": "max-stale=180",
+ }}));
+
+ assert(!cache.satisfiesWithoutRevalidation({headers:{
+ "cache-control": "max-stale",
+ }}));
+ });
+
+ it('getHeadersDeletesCached100LevelWarnings', function() {
+ const cache = new CachePolicy({headers:{}}, {headers:{
+ "warning": "199 test danger, 200 ok ok",
+ }});
+
+ assert.equal("200 ok ok", cache.responseHeaders().warning);
+ });
+
+ it('doNotCachePartialResponse', function() {
+ const cache = new CachePolicy({headers:{}}, {
+ status: 206,
+ headers:{
+ "content-range": "bytes 100-100/200",
+ "cache-control": "max-age=60",
+ }});
+ assert(!cache.storable());
+ });
+
+ function formatDate(delta, unit) {
+ return new Date(Date.now() + delta*unit*1000).toUTCString();
+ }
+});
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