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Cu.import("resource://testing-common/httpd.js");
Cu.import("resource://gre/modules/NetUtil.jsm");
var httpserver = new HttpServer();
var ios;
// Test the handling of a cache revalidation with mismatching last-modified
// headers. If we get such a revalidation the cache entry should be purged.
// see bug 717350
// In this test the wrong data is from 11-16-1994 with a value of 'A',
// and the right data is from 11-15-1994 with a value of 'B'.
// the same URL is requested 3 times. the first time the wrong data comes
// back, the second time that wrong data is revalidated with a 304 but
// a L-M header of the right data (this triggers a cache purge), and
// the third time the right data is returned.
var listener_3 = {
// this listener is used to process the the request made after
// the cache invalidation. it expects to see the 'right data'
QueryInterface: function(iid) {
if (iid.equals(Components.interfaces.nsIStreamListener) ||
iid.equals(Components.interfaces.nsIRequestObserver) ||
iid.equals(Components.interfaces.nsISupports))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
onStartRequest: function test_onStartR(request, ctx) {},
onDataAvailable: function test_ODA(request, cx, inputStream,
offset, count) {
var data = new BinaryInputStream(inputStream).readByteArray(count);
do_check_eq(data[0], "B".charCodeAt(0));
},
onStopRequest: function test_onStopR(request, ctx, status) {
httpserver.stop(do_test_finished);
}
};
XPCOMUtils.defineLazyGetter(this, "listener_2", function() {
return {
// this listener is used to process the revalidation of the
// corrupted cache entry. its revalidation prompts it to be cleaned
QueryInterface: function(iid) {
if (iid.equals(Components.interfaces.nsIStreamListener) ||
iid.equals(Components.interfaces.nsIRequestObserver) ||
iid.equals(Components.interfaces.nsISupports))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
onStartRequest: function test_onStartR(request, ctx) {},
onDataAvailable: function test_ODA(request, cx, inputStream,
offset, count) {
var data = new BinaryInputStream(inputStream).readByteArray(count);
// This is 'A' from a cache revalidation, but that reval will clean the cache
// because of mismatched last-modified response headers
do_check_eq(data[0], "A".charCodeAt(0));
},
onStopRequest: function test_onStopR(request, ctx, status) {
var channel = request.QueryInterface(Ci.nsIHttpChannel);
var chan = NetUtil.newChannel({
uri: "http://localhost:" + httpserver.identity.primaryPort + "/test1",
loadUsingSystemPrincipal: true
});
chan.asyncOpen2(listener_3);
}
};
});
XPCOMUtils.defineLazyGetter(this, "listener_1", function() {
return {
// this listener processes the initial request from a empty cache.
// the server responds with the wrong data ('A')
QueryInterface: function(iid) {
if (iid.equals(Components.interfaces.nsIStreamListener) ||
iid.equals(Components.interfaces.nsIRequestObserver) ||
iid.equals(Components.interfaces.nsISupports))
return this;
throw Components.results.NS_ERROR_NO_INTERFACE;
},
onStartRequest: function test_onStartR(request, ctx) {},
onDataAvailable: function test_ODA(request, cx, inputStream,
offset, count) {
var data = new BinaryInputStream(inputStream).readByteArray(count);
do_check_eq(data[0], "A".charCodeAt(0));
},
onStopRequest: function test_onStopR(request, ctx, status) {
var channel = request.QueryInterface(Ci.nsIHttpChannel);
var chan = NetUtil.newChannel({
uri: "http://localhost:" + httpserver.identity.primaryPort + "/test1",
loadUsingSystemPrincipal: true
});
chan.asyncOpen2(listener_2);
}
};
});
function run_test() {
do_get_profile();
ios = Cc["@mozilla.org/network/io-service;1"]
.getService(Ci.nsIIOService);
evict_cache_entries();
httpserver.registerPathHandler("/test1", handler);
httpserver.start(-1);
var port = httpserver.identity.primaryPort;
var chan = NetUtil.newChannel({
uri: "http://localhost:" + port + "/test1",
loadUsingSystemPrincipal: true
});
chan.asyncOpen2(listener_1);
do_test_pending();
}
var iter=0;
function handler(metadata, response) {
iter++;
if (metadata.hasHeader("If-Modified-Since")) {
response.setStatusLine(metadata.httpVersion, 304, "Not Modified");
response.setHeader("Last-Modified", "Tue, 15 Nov 1994 12:45:26 GMT", false);
}
else {
response.setStatusLine(metadata.httpVersion, 200, "OK");
response.setHeader("Cache-Control", "max-age=0", false)
if (iter == 1) {
// simulated wrong response
response.setHeader("Last-Modified", "Wed, 16 Nov 1994 00:00:00 GMT", false);
response.bodyOutputStream.write("A", 1);
}
if (iter == 3) {
// 'correct' response
response.setHeader("Last-Modified", "Tue, 15 Nov 1994 12:45:26 GMT", false);
response.bodyOutputStream.write("B", 1);
}
}
}
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