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

webrtc/libjingle/xmpp/xmppengine_unittest.cc

Index: webrtc/libjingle/xmpp/xmppengine_unittest.cc
diff --git a/webrtc/libjingle/xmpp/xmppengine_unittest.cc b/webrtc/libjingle/xmpp/xmppengine_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d5afead660e14690a3dc0354d77c34a500a92b3f
--- /dev/null
+++ b/webrtc/libjingle/xmpp/xmppengine_unittest.cc
@@ -0,0 +1,327 @@
+/*
+ *  Copyright 2004 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 <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+
+#include "webrtc/libjingle/xmllite/xmlelement.h"
+#include "webrtc/libjingle/xmpp/constants.h"
+#include "webrtc/libjingle/xmpp/plainsaslhandler.h"
+#include "webrtc/libjingle/xmpp/saslplainmechanism.h"
+#include "webrtc/libjingle/xmpp/util_unittest.h"
+#include "webrtc/libjingle/xmpp/xmppengine.h"
+#include "webrtc/base/common.h"
+#include "webrtc/base/gunit.h"
+
+using buzz::Jid;
+using buzz::QName;
+using buzz::XmlElement;
+using buzz::XmppEngine;
+using buzz::XmppIqCookie;
+using buzz::XmppIqHandler;
+using buzz::XmppTestHandler;
+using buzz::QN_ID;
+using buzz::QN_IQ;
+using buzz::QN_TYPE;
+using buzz::QN_ROSTER_QUERY;
+using buzz::XMPP_RETURN_OK;
+using buzz::XMPP_RETURN_BADARGUMENT;
+
+// XmppEngineTestIqHandler
+//    This class grabs the response to an IQ stanza and stores it in a string.
+class XmppEngineTestIqHandler : public XmppIqHandler {
+ public:
+  virtual void IqResponse(XmppIqCookie, const XmlElement * stanza) {
+    ss_ << stanza->Str();
+  }
+
+  std::string IqResponseActivity() {
+    std::string result = ss_.str();
+    ss_.str("");
+    return result;
+  }
+
+ private:
+  std::stringstream ss_;
+};
+
+class XmppEngineTest : public testing::Test {
+ public:
+  XmppEngine* engine() { return engine_.get(); }
+  XmppTestHandler* handler() { return handler_.get(); }
+  virtual void SetUp() {
+    engine_.reset(XmppEngine::Create());
+    handler_.reset(new XmppTestHandler(engine_.get()));
+
+    Jid jid("david@my-server");
+    rtc::InsecureCryptStringImpl pass;
+    pass.password() = "david";
+    engine_->SetSessionHandler(handler_.get());
+    engine_->SetOutputHandler(handler_.get());
+    engine_->AddStanzaHandler(handler_.get());
+    engine_->SetUser(jid);
+    engine_->SetSaslHandler(
+        new buzz::PlainSaslHandler(jid, rtc::CryptString(pass), true));
+  }
+  virtual void TearDown() {
+    handler_.reset();
+    engine_.reset();
+  }
+  void RunLogin();
+
+ private:
+  std::unique_ptr<XmppEngine> engine_;
+  std::unique_ptr<XmppTestHandler> handler_;
+};
+
+void XmppEngineTest::RunLogin() {
+  // Connect
+  EXPECT_EQ(XmppEngine::STATE_START, engine()->GetState());
+  engine()->Connect();
+  EXPECT_EQ(XmppEngine::STATE_OPENING, engine()->GetState());
+
+  EXPECT_EQ("[OPENING]", handler_->SessionActivity());
+
+  EXPECT_EQ("<stream:stream to=\"my-server\" xml:lang=\"*\" version=\"1.0\" "
+           "xmlns:stream=\"http://etherx.jabber.org/streams\" "
+           "xmlns=\"jabber:client\">\r\n", handler_->OutputActivity());
+
+  std::string input =
+    "<stream:stream id=\"a5f2d8c9\" version=\"1.0\" "
+    "xmlns:stream=\"http://etherx.jabber.org/streams\" "
+    "xmlns=\"jabber:client\">";
+  engine()->HandleInput(input.c_str(), input.length());
+
+  input =
+    "<stream:features>"
+      "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'>"
+        "<required/>"
+      "</starttls>"
+      "<mechanisms xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>"
+        "<mechanism>DIGEST-MD5</mechanism>"
+        "<mechanism>PLAIN</mechanism>"
+      "</mechanisms>"
+    "</stream:features>";
+  engine()->HandleInput(input.c_str(), input.length());
+  EXPECT_EQ("<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\"/>",
+      handler_->OutputActivity());
+
+  EXPECT_EQ("", handler_->SessionActivity());
+  EXPECT_EQ("", handler_->StanzaActivity());
+
+  input = "<proceed xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>";
+  engine()->HandleInput(input.c_str(), input.length());
+  EXPECT_EQ("[START-TLS my-server]"
+           "<stream:stream to=\"my-server\" xml:lang=\"*\" "
+           "version=\"1.0\" xmlns:stream=\"http://etherx.jabber.org/streams\" "
+           "xmlns=\"jabber:client\">\r\n", handler_->OutputActivity());
+
+  EXPECT_EQ("", handler_->SessionActivity());
+  EXPECT_EQ("", handler_->StanzaActivity());
+
+  input = "<stream:stream id=\"01234567\" version=\"1.0\" "
+          "xmlns:stream=\"http://etherx.jabber.org/streams\" "
+          "xmlns=\"jabber:client\">";
+  engine()->HandleInput(input.c_str(), input.length());
+
+  input =
+    "<stream:features>"
+      "<mechanisms xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>"
+        "<mechanism>DIGEST-MD5</mechanism>"
+        "<mechanism>PLAIN</mechanism>"
+      "</mechanisms>"
+    "</stream:features>";
+  engine()->HandleInput(input.c_str(), input.length());
+  EXPECT_EQ("<auth xmlns=\"urn:ietf:params:xml:ns:xmpp-sasl\" "
+      "mechanism=\"PLAIN\" "
+      "auth:allow-non-google-login=\"true\" "
+      "auth:client-uses-full-bind-result=\"true\" "
+      "xmlns:auth=\"http://www.google.com/talk/protocol/auth\""
+      ">AGRhdmlkAGRhdmlk</auth>",
+      handler_->OutputActivity());
+
+  EXPECT_EQ("", handler_->SessionActivity());
+  EXPECT_EQ("", handler_->StanzaActivity());
+
+  input = "<success xmlns='urn:ietf:params:xml:ns:xmpp-sasl'/>";
+  engine()->HandleInput(input.c_str(), input.length());
+  EXPECT_EQ("<stream:stream to=\"my-server\" xml:lang=\"*\" version=\"1.0\" "
+      "xmlns:stream=\"http://etherx.jabber.org/streams\" "
+      "xmlns=\"jabber:client\">\r\n", handler_->OutputActivity());
+
+  EXPECT_EQ("", handler_->SessionActivity());
+  EXPECT_EQ("", handler_->StanzaActivity());
+
+  input = "<stream:stream id=\"01234567\" version=\"1.0\" "
+      "xmlns:stream=\"http://etherx.jabber.org/streams\" "
+      "xmlns=\"jabber:client\">";
+  engine()->HandleInput(input.c_str(), input.length());
+
+  input = "<stream:features>"
+          "<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'/>"
+          "<session xmlns='urn:ietf:params:xml:ns:xmpp-session'/>"
+          "</stream:features>";
+  engine()->HandleInput(input.c_str(), input.length());
+  EXPECT_EQ("<iq type=\"set\" id=\"0\">"
+           "<bind xmlns=\"urn:ietf:params:xml:ns:xmpp-bind\"/></iq>",
+           handler_->OutputActivity());
+
+  EXPECT_EQ("", handler_->SessionActivity());
+  EXPECT_EQ("", handler_->StanzaActivity());
+
+  input = "<iq type='result' id='0'>"
+          "<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'><jid>"
+          "david@my-server/test</jid></bind></iq>";
+  engine()->HandleInput(input.c_str(), input.length());
+
+  EXPECT_EQ("<iq type=\"set\" id=\"1\">"
+           "<session xmlns=\"urn:ietf:params:xml:ns:xmpp-session\"/></iq>",
+           handler_->OutputActivity());
+
+  EXPECT_EQ("", handler_->SessionActivity());
+  EXPECT_EQ("", handler_->StanzaActivity());
+
+  input = "<iq type='result' id='1'/>";
+  engine()->HandleInput(input.c_str(), input.length());
+
+  EXPECT_EQ("[OPEN]", handler_->SessionActivity());
+  EXPECT_EQ("", handler_->StanzaActivity());
+  EXPECT_EQ(Jid("david@my-server/test"), engine()->FullJid());
+}
+
+// TestSuccessfulLogin()
+//    This function simply tests to see if a login works.  This includes
+//    encryption and authentication
+TEST_F(XmppEngineTest, TestSuccessfulLoginAndDisconnect) {
+  RunLogin();
+  engine()->Disconnect();
+  EXPECT_EQ("</stream:stream>[CLOSED]", handler()->OutputActivity());
+  EXPECT_EQ("[CLOSED]", handler()->SessionActivity());
+  EXPECT_EQ("", handler()->StanzaActivity());
+}
+
+TEST_F(XmppEngineTest, TestSuccessfulLoginAndConnectionClosed) {
+  RunLogin();
+  engine()->ConnectionClosed(0);
+  EXPECT_EQ("[CLOSED]", handler()->OutputActivity());
+  EXPECT_EQ("[CLOSED][ERROR-CONNECTION-CLOSED]", handler()->SessionActivity());
+  EXPECT_EQ("", handler()->StanzaActivity());
+}
+
+
+// TestNotXmpp()
+//    This tests the error case when connecting to a non XMPP service
+TEST_F(XmppEngineTest, TestNotXmpp) {
+  // Connect
+  engine()->Connect();
+  EXPECT_EQ("<stream:stream to=\"my-server\" xml:lang=\"*\" version=\"1.0\" "
+          "xmlns:stream=\"http://etherx.jabber.org/streams\" "
+          "xmlns=\"jabber:client\">\r\n", handler()->OutputActivity());
+
+  // Send garbage response (courtesy of apache)
+  std::string input = "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">";
+  engine()->HandleInput(input.c_str(), input.length());
+
+  EXPECT_EQ("[CLOSED]", handler()->OutputActivity());
+  EXPECT_EQ("[OPENING][CLOSED][ERROR-XML]", handler()->SessionActivity());
+  EXPECT_EQ("", handler()->StanzaActivity());
+}
+
+// TestPassthrough()
+//    This tests that arbitrary stanzas can be passed to the server through
+//    the engine.
+TEST_F(XmppEngineTest, TestPassthrough) {
+  // Queue up an app stanza
+  XmlElement application_stanza(QName("test", "app-stanza"));
+  application_stanza.AddText("this-is-a-test");
+  engine()->SendStanza(&application_stanza);
+
+  // Do the whole login handshake
+  RunLogin();
+
+  EXPECT_EQ("<test:app-stanza xmlns:test=\"test\">this-is-a-test"
+          "</test:app-stanza>", handler()->OutputActivity());
+
+  // do another stanza
+  XmlElement roster_get(QN_IQ);
+  roster_get.AddAttr(QN_TYPE, "get");
+  roster_get.AddAttr(QN_ID, engine()->NextId());
+  roster_get.AddElement(new XmlElement(QN_ROSTER_QUERY, true));
+  engine()->SendStanza(&roster_get);
+  EXPECT_EQ("<iq type=\"get\" id=\"2\"><query xmlns=\"jabber:iq:roster\"/>"
+          "</iq>", handler()->OutputActivity());
+
+  // now say the server ends the stream
+  engine()->HandleInput("</stream:stream>", 16);
+  EXPECT_EQ("[CLOSED][ERROR-DOCUMENT-CLOSED]", handler()->SessionActivity());
+  EXPECT_EQ("[CLOSED]", handler()->OutputActivity());
+  EXPECT_EQ("", handler()->StanzaActivity());
+}
+
+// TestIqCallback()
+//    This tests the routing of Iq stanzas and responses.
+TEST_F(XmppEngineTest, TestIqCallback) {
+  XmppEngineTestIqHandler iq_response;
+  XmppIqCookie cookie;
+
+  // Do the whole login handshake
+  RunLogin();
+
+  // Build an iq request
+  XmlElement roster_get(QN_IQ);
+  roster_get.AddAttr(QN_TYPE, "get");
+  roster_get.AddAttr(QN_ID, engine()->NextId());
+  roster_get.AddElement(new XmlElement(QN_ROSTER_QUERY, true));
+  engine()->SendIq(&roster_get, &iq_response, &cookie);
+  EXPECT_EQ("<iq type=\"get\" id=\"2\"><query xmlns=\"jabber:iq:roster\"/>"
+          "</iq>", handler()->OutputActivity());
+  EXPECT_EQ("", handler()->SessionActivity());
+  EXPECT_EQ("", handler()->StanzaActivity());
+  EXPECT_EQ("", iq_response.IqResponseActivity());
+
+  // now say the server responds to the iq
+  std::string input = "<iq type='result' id='2'>"
+                      "<query xmlns='jabber:iq:roster'><item>foo</item>"
+                      "</query></iq>";
+  engine()->HandleInput(input.c_str(), input.length());
+  EXPECT_EQ("", handler()->OutputActivity());
+  EXPECT_EQ("", handler()->SessionActivity());
+  EXPECT_EQ("", handler()->StanzaActivity());
+  EXPECT_EQ("<cli:iq type=\"result\" id=\"2\" xmlns:cli=\"jabber:client\">"
+          "<query xmlns=\"jabber:iq:roster\"><item>foo</item></query>"
+          "</cli:iq>", iq_response.IqResponseActivity());
+
+  EXPECT_EQ(XMPP_RETURN_BADARGUMENT, engine()->RemoveIqHandler(cookie, NULL));
+
+  // Do it again with another id to test cancel
+  roster_get.SetAttr(QN_ID, engine()->NextId());
+  engine()->SendIq(&roster_get, &iq_response, &cookie);
+  EXPECT_EQ("<iq type=\"get\" id=\"3\"><query xmlns=\"jabber:iq:roster\"/>"
+          "</iq>", handler()->OutputActivity());
+  EXPECT_EQ("", handler()->SessionActivity());
+  EXPECT_EQ("", handler()->StanzaActivity());
+  EXPECT_EQ("", iq_response.IqResponseActivity());
+
+  // cancel the handler this time
+  EXPECT_EQ(XMPP_RETURN_OK, engine()->RemoveIqHandler(cookie, NULL));
+
+  // now say the server responds to the iq: the iq handler should not get it.
+  input = "<iq type='result' id='3'><query xmlns='jabber:iq:roster'><item>bar"
+          "</item></query></iq>";
+  engine()->HandleInput(input.c_str(), input.length());
+  EXPECT_EQ("<cli:iq type=\"result\" id=\"3\" xmlns:cli=\"jabber:client\">"
+          "<query xmlns=\"jabber:iq:roster\"><item>bar</item></query>"
+          "</cli:iq>", handler()->StanzaActivity());
+  EXPECT_EQ("", iq_response.IqResponseActivity());
+  EXPECT_EQ("", handler()->OutputActivity());
+  EXPECT_EQ("", handler()->SessionActivity());
+}