1 files changed, 120 insertions, 0 deletions
diff --git a/test/cpp/util/error_details_test.cc b/test/cpp/util/error_details_test.cc
new file mode 100644
index 0000000000..d01fd3b087
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+++ b/test/cpp/util/error_details_test.cc
@@ -0,0 +1,120 @@
+/*
+ *
+ * Copyright 2017, 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++/support/error_details.h>
+#include <gtest/gtest.h>
+
+#include "src/proto/grpc/status/status.pb.h"
+#include "src/proto/grpc/testing/echo_messages.pb.h"
+
+namespace grpc {
+namespace {
+
+TEST(ExtractTest, Success) {
+  google::rpc::Status expected;
+  expected.set_code(13);  // INTERNAL
+  expected.set_message("I am an error message");
+  testing::EchoRequest expected_details;
+  expected_details.set_message(grpc::string(100, '\0'));
+  expected.add_details()->PackFrom(expected_details);
+
+  google::rpc::Status to;
+  grpc::string error_details = expected.SerializeAsString();
+  Status from(static_cast<StatusCode>(expected.code()), expected.message(),
+              error_details);
+  EXPECT_TRUE(ExtractErrorDetails(from, &to).ok());
+  EXPECT_EQ(expected.code(), to.code());
+  EXPECT_EQ(expected.message(), to.message());
+  EXPECT_EQ(1, to.details_size());
+  testing::EchoRequest details;
+  to.details(0).UnpackTo(&details);
+  EXPECT_EQ(expected_details.message(), details.message());
+}
+
+TEST(ExtractTest, NullInput) {
+  EXPECT_EQ(StatusCode::FAILED_PRECONDITION,
+            ExtractErrorDetails(Status(), nullptr).error_code());
+}
+
+TEST(ExtractTest, Unparsable) {
+  grpc::string error_details("I am not a status object");
+  Status from(StatusCode::INTERNAL, "", error_details);
+  google::rpc::Status to;
+  EXPECT_EQ(StatusCode::INVALID_ARGUMENT,
+            ExtractErrorDetails(from, &to).error_code());
+}
+
+TEST(SetTest, Success) {
+  google::rpc::Status expected;
+  expected.set_code(13);  // INTERNAL
+  expected.set_message("I am an error message");
+  testing::EchoRequest expected_details;
+  expected_details.set_message(grpc::string(100, '\0'));
+  expected.add_details()->PackFrom(expected_details);
+
+  Status to;
+  Status s = SetErrorDetails(expected, &to);
+  EXPECT_TRUE(s.ok());
+  EXPECT_EQ(expected.code(), to.error_code());
+  EXPECT_EQ(expected.message(), to.error_message());
+  EXPECT_EQ(expected.SerializeAsString(), to.error_details());
+}
+
+TEST(SetTest, NullInput) {
+  EXPECT_EQ(StatusCode::FAILED_PRECONDITION,
+            SetErrorDetails(google::rpc::Status(), nullptr).error_code());
+}
+
+TEST(SetTest, OutOfScopeErrorCode) {
+  google::rpc::Status expected;
+  expected.set_code(20);  // Out of scope (DATA_LOSS is 15).
+  expected.set_message("I am an error message");
+  testing::EchoRequest expected_details;
+  expected_details.set_message(grpc::string(100, '\0'));
+  expected.add_details()->PackFrom(expected_details);
+
+  Status to;
+  Status s = SetErrorDetails(expected, &to);
+  EXPECT_TRUE(s.ok());
+  EXPECT_EQ(StatusCode::UNKNOWN, to.error_code());
+  EXPECT_EQ(expected.message(), to.error_message());
+  EXPECT_EQ(expected.SerializeAsString(), to.error_details());
+}
+
+}  // namespace
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}