Bug 1281278 - test coverage for h2 push with brotli r=nwgh

MozReview-Commit-ID: 84LZRLsefJD

--HG--
extra : rebase_source : 44aff3361b08ef412ae747097ab6e68adcabb28f

netwerk/test/unit/test_http2.js

@@ -728,6 +728,8 @@ Http2PushApiListener.prototype = {
     pushChannel.asyncOpen2(this);
     if (pushChannel.originalURI.spec == "https://localhost:" + serverPort + "/pushapi1/2") {
       pushChannel.cancel(Components.results.NS_ERROR_ABORT);
+    } else if (pushChannel.originalURI.spec == "https://localhost:" + serverPort + "/pushapi1/3") {
+      do_check_true(pushChannel.getRequestHeader("Accept-Encoding").includes("br"));
     }
   },
 
@@ -774,7 +776,7 @@ Http2PushApiListener.prototype = {
 // 2 to see /pushapi1/1 with 1
 // 3 to see /pushapi1/1 with 1 (again)
 // 4 to see /pushapi1/2 that it will cancel
-// 5 to see /pushapi1/3 with 3
+// 5 to see /pushapi1/3 with 3 with brotli
 
 function test_http2_pushapi_1() {
   var chan = makeChan("https://localhost:" + serverPort + "/pushapi1");

testing/xpcshell/moz-http2/moz-http2.js

@@ -344,14 +344,15 @@ function handleRequest(req, res) {
 
     push3 = res.push(
         { hostname: 'localhost:' + serverPort, port: serverPort, path : '/pushapi1/3', method : 'GET',
-          headers: {'x-pushed-request': 'true'}});
+          headers: {'x-pushed-request': 'true', 'Accept-Encoding' : 'br'}});
     push3.writeHead(200, {
       'pushed' : 'yes',
-      'content-length' : 1,
+      'content-length' : 6,
       'subresource' : '3',
+      'content-encoding' : 'br',
       'X-Connection-Http2': 'yes'
     });
-    push3.end('3');
+    push3.end(Buffer.from("8B0080330A03", 'hex')); // '3\n'
 
     content = '0';
   }