2 // This script emulates the test called "Freshness"
3 // by Mark Nottingham, located at
5 // http://mnot.net/javascript/xmlhttprequest/cache.html
7 // The issue with Mr. Nottinghams page is that the server
8 // always seems to send an Expires-header in the response,
9 // breaking the finer details of the test. This script has
10 // full control of response-headers, however, and can perform
11 // the intended testing plus some extra stuff.
13 // Please see RFC 2616 section 13.2.1 6th paragraph for the
14 // definition of "explicit expiration time" being used here.
18 const { HttpServer } = ChromeUtils.import("resource://testing-common/httpd.js");
20 var httpserver = new HttpServer();
23 { url: "/freshness", server: "0", expected: "0" },
24 { url: "/freshness", server: "1", expected: "0" }, // cached
26 // RFC 2616 section 13.9 2nd paragraph says not to heuristically cache
27 // querystring, but we allow it to maintain web compat
28 { url: "/freshness?a", server: "2", expected: "2" },
29 { url: "/freshness?a", server: "3", expected: "2" },
31 // explicit expiration dates in the future should be cached
36 responseheader: "Expires: " + getDateString(1),
38 { url: "/freshness?b", server: "5", expected: "4" }, // cached due to Expires
44 responseheader: "Cache-Control: max-age=3600",
46 { url: "/freshness?c", server: "7", expected: "6" }, // cached due to max-age
48 // explicit expiration dates in the past should NOT be cached
53 responseheader: "Expires: " + getDateString(-1),
55 { url: "/freshness?d", server: "9", expected: "9" },
61 responseheader: "Cache-Control: max-age=0",
63 { url: "/freshness?e", server: "11", expected: "11" },
65 { url: "/freshness", server: "99", expected: "0" }, // cached
68 function logit(i, data) {
80 if (tests[i].responseheader) {
81 dump("\t[" + tests[i].responseheader + "]");
86 function setupChannel(suffix, value) {
87 var chan = NetUtil.newChannel({
88 uri: "http://localhost:" + httpserver.identity.primaryPort + suffix,
89 loadUsingSystemPrincipal: true,
91 var httpChan = chan.QueryInterface(Ci.nsIHttpChannel);
92 httpChan.requestMethod = "GET";
93 httpChan.setRequestHeader("x-request", value, false);
97 function triggerNextTest() {
98 var channel = setupChannel(tests[index].url, tests[index].server);
99 channel.asyncOpen(new ChannelListener(checkValueAndTrigger, null));
102 function checkValueAndTrigger(request, data, ctx) {
104 Assert.equal(tests[index].expected, data);
106 if (index < tests.length - 1) {
110 httpserver.stop(do_test_finished);
114 function run_test() {
115 httpserver.registerPathHandler("/freshness", handler);
116 httpserver.start(-1);
119 evict_cache_entries();
125 function handler(metadata, response) {
126 var body = metadata.getHeader("x-request");
127 response.setHeader("Content-Type", "text/plain", false);
128 response.setHeader("Date", getDateString(0), false);
130 var header = tests[index].responseheader;
131 if (header == null) {
132 response.setHeader("Last-Modified", getDateString(-1), false);
134 var splitHdr = header.split(": ");
135 response.setHeader(splitHdr[0], splitHdr[1], false);
138 response.setStatusLine(metadata.httpVersion, 200, "OK");
139 response.bodyOutputStream.write(body, body.length);
142 function getDateString(yearDelta) {
157 var days = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
161 days[d.getUTCDay()] +
165 months[d.getUTCMonth()] +
167 (d.getUTCFullYear() + yearDelta) +