Revert of Remove webrtc/libjingle/{xmllite,xmpp}

webrtc/libjingle/xmpp/pingtask_unittest.cc

Index: webrtc/libjingle/xmpp/pingtask_unittest.cc
diff --git a/webrtc/libjingle/xmpp/pingtask_unittest.cc b/webrtc/libjingle/xmpp/pingtask_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b9aab6b3f2b07dc64eb837138c85836387868c64
--- /dev/null
+++ b/webrtc/libjingle/xmpp/pingtask_unittest.cc
@@ -0,0 +1,101 @@
+/*
+ *  Copyright 2011 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <string>
+#include <vector>
+
+#include "webrtc/libjingle/xmllite/xmlelement.h"
+#include "webrtc/libjingle/xmpp/constants.h"
+#include "webrtc/libjingle/xmpp/fakexmppclient.h"
+#include "webrtc/libjingle/xmpp/pingtask.h"
+#include "webrtc/base/faketaskrunner.h"
+#include "webrtc/base/gunit.h"
+#include "webrtc/base/sigslot.h"
+
+class PingTaskTest;
+
+class PingXmppClient : public buzz::FakeXmppClient {
+ public:
+  PingXmppClient(rtc::TaskParent* parent, PingTaskTest* tst) :
+      FakeXmppClient(parent), test(tst) {
+  }
+
+  buzz::XmppReturnStatus SendStanza(const buzz::XmlElement* stanza);
+
+ private:
+  PingTaskTest* test;
+};
+
+class PingTaskTest : public testing::Test, public sigslot::has_slots<> {
+ public:
+  PingTaskTest() : respond_to_pings(true), timed_out(false) {
+  }
+
+  virtual void SetUp() {
+    runner = new rtc::FakeTaskRunner();
+    xmpp_client = new PingXmppClient(runner, this);
+  }
+
+  virtual void TearDown() {
+    // delete xmpp_client;  Deleted by deleting runner.
+    delete runner;
+  }
+
+  void ConnectTimeoutSignal(buzz::PingTask* task) {
+    task->SignalTimeout.connect(this, &PingTaskTest::OnPingTimeout);
+  }
+
+  void OnPingTimeout() {
+    timed_out = true;
+  }
+
+  rtc::FakeTaskRunner* runner;
+  PingXmppClient* xmpp_client;
+  bool respond_to_pings;
+  bool timed_out;
+};
+
+buzz::XmppReturnStatus PingXmppClient::SendStanza(
+    const buzz::XmlElement* stanza) {
+  buzz::XmppReturnStatus result = FakeXmppClient::SendStanza(stanza);
+  if (test->respond_to_pings && (stanza->FirstNamed(buzz::QN_PING) != NULL)) {
+    std::string ping_response =
+        "<iq xmlns=\'jabber:client\' id='0' type='result'/>";
+    HandleStanza(buzz::XmlElement::ForStr(ping_response));
+  }
+  return result;
+}
+
+TEST_F(PingTaskTest, TestSuccess) {
+  uint32_t ping_period_millis = 100;
+  buzz::PingTask* task = new buzz::PingTask(xmpp_client,
+      rtc::Thread::Current(),
+      ping_period_millis, ping_period_millis / 10);
+  ConnectTimeoutSignal(task);
+  task->Start();
+  unsigned int expected_ping_count = 5U;
+  EXPECT_EQ_WAIT(xmpp_client->sent_stanzas().size(), expected_ping_count,
+                 ping_period_millis * (expected_ping_count + 1));
+  EXPECT_FALSE(task->IsDone());
+  EXPECT_FALSE(timed_out);
+}
+
+TEST_F(PingTaskTest, TestTimeout) {
+  respond_to_pings = false;
+  uint32_t ping_timeout_millis = 200;
+  buzz::PingTask* task = new buzz::PingTask(xmpp_client,
+      rtc::Thread::Current(),
+      ping_timeout_millis * 10, ping_timeout_millis);
+  ConnectTimeoutSignal(task);
+  task->Start();
+  WAIT(false, ping_timeout_millis / 2);
+  EXPECT_FALSE(timed_out);
+  EXPECT_TRUE_WAIT(timed_out, ping_timeout_millis * 2);
+}