Add ServiceAccount Credentials wrapping and handle credentials creation

failure.
	Change on 2015/01/09 by yangg <yangg@google.com>
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=83634736

2 files changed, 106 insertions, 0 deletions

diff --git a/test/cpp/client/credentials_test.cc b/test/cpp/client/credentials_test.cc
new file mode 100644
index 0000000000..1bc95f9ff8
--- /dev/null
+++ b/test/cpp/client/credentials_test.cc
@@ -0,0 +1,73 @@
+/*
+ *
+ * Copyright 2014, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc++/credentials.h>
+
+#include <memory>
+
+#include <grpc/grpc.h>
+#include <gtest/gtest.h>
+
+namespace grpc {
+namespace testing {
+
+class CredentialsTest : public ::testing::Test {
+ protected:
+};
+
+TEST_F(CredentialsTest, InvalidSslCreds) {
+  std::unique_ptr<Credentials> bad1 =
+      CredentialsFactory::SslCredentials({"", "", ""});
+  EXPECT_EQ(nullptr, bad1.get());
+  std::unique_ptr<Credentials> bad2 =
+      CredentialsFactory::SslCredentials({"", "bla", "bla"});
+  EXPECT_EQ(nullptr, bad2.get());
+}
+
+TEST_F(CredentialsTest, InvalidServiceAccountCreds) {
+  std::unique_ptr<Credentials> bad1 =
+      CredentialsFactory::ServiceAccountCredentials("", "",
+                                                    std::chrono::seconds(1));
+  EXPECT_EQ(nullptr, bad1.get());
+}
+
+}  // namespace testing
+}  // namespace grpc
+
+int main(int argc, char **argv) {
+
+  grpc_init();
+  int ret = RUN_ALL_TESTS();
+  grpc_shutdown();
+  return ret;
+}
diff --git a/test/cpp/end2end/end2end_test.cc b/test/cpp/end2end/end2end_test.cc
index f63f6ad076..1dcdd4202c 100644
--- a/test/cpp/end2end/end2end_test.cc
+++ b/test/cpp/end2end/end2end_test.cc
@@ -42,6 +42,7 @@
 #include <grpc++/channel_interface.h>
 #include <grpc++/client_context.h>
 #include <grpc++/create_channel.h>
+#include <grpc++/credentials.h>
 #include <grpc++/server.h>
 #include <grpc++/server_builder.h>
 #include <grpc++/server_context.h>
@@ -401,6 +402,38 @@ TEST_F(End2endTest, DiffPackageServices) {
   EXPECT_TRUE(s.IsOk());
 }
 
+// rpc and stream should fail on bad credentials.
+TEST_F(End2endTest, BadCredentials) {
+  std::unique_ptr<Credentials> bad_creds =
+      CredentialsFactory::ServiceAccountCredentials("", "",
+                                                    std::chrono::seconds(1));
+  EXPECT_EQ(nullptr, bad_creds.get());
+  std::shared_ptr<ChannelInterface> channel =
+      CreateChannel(server_address_.str(), bad_creds, ChannelArguments());
+  std::unique_ptr<grpc::cpp::test::util::TestService::Stub> stub(
+      grpc::cpp::test::util::TestService::NewStub(channel));
+  EchoRequest request;
+  EchoResponse response;
+  ClientContext context;
+  grpc::string msg("hello");
+
+  Status s = stub->Echo(&context, request, &response);
+  EXPECT_EQ("", response.message());
+  EXPECT_FALSE(s.IsOk());
+  EXPECT_EQ(StatusCode::UNKNOWN, s.code());
+  EXPECT_EQ("Rpc sent on a lame channel.", s.details());
+
+  ClientContext context2;
+  ClientReaderWriter<EchoRequest, EchoResponse>* stream =
+      stub->BidiStream(&context2);
+  s = stream->Wait();
+  EXPECT_FALSE(s.IsOk());
+  EXPECT_EQ(StatusCode::UNKNOWN, s.code());
+  EXPECT_EQ("Rpc sent on a lame channel.", s.details());
+
+  delete stream;
+}
+
 }  // namespace testing
 }  // namespace grpc