1 files changed, 69 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/lib/go/thrift/exception_test.go b/src/jaegertracing/thrift/lib/go/thrift/exception_test.go
new file mode 100644
index 000000000..71f5e2c7e
--- /dev/null
+++ b/src/jaegertracing/thrift/lib/go/thrift/exception_test.go
@@ -0,0 +1,69 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package thrift
+
+import (
+	"errors"
+	"testing"
+)
+
+func TestPrependError(t *testing.T) {
+	err := NewTApplicationException(INTERNAL_ERROR, "original error")
+	err2, ok := PrependError("Prepend: ", err).(TApplicationException)
+	if !ok {
+		t.Fatal("Couldn't cast error TApplicationException")
+	}
+	if err2.Error() != "Prepend: original error" {
+		t.Fatal("Unexpected error string")
+	}
+	if err2.TypeId() != INTERNAL_ERROR {
+		t.Fatal("Unexpected type error")
+	}
+
+	err3 := NewTProtocolExceptionWithType(INVALID_DATA, errors.New("original error"))
+	err4, ok := PrependError("Prepend: ", err3).(TProtocolException)
+	if !ok {
+		t.Fatal("Couldn't cast error TProtocolException")
+	}
+	if err4.Error() != "Prepend: original error" {
+		t.Fatal("Unexpected error string")
+	}
+	if err4.TypeId() != INVALID_DATA {
+		t.Fatal("Unexpected type error")
+	}
+
+	err5 := NewTTransportException(TIMED_OUT, "original error")
+	err6, ok := PrependError("Prepend: ", err5).(TTransportException)
+	if !ok {
+		t.Fatal("Couldn't cast error TTransportException")
+	}
+	if err6.Error() != "Prepend: original error" {
+		t.Fatal("Unexpected error string")
+	}
+	if err6.TypeId() != TIMED_OUT {
+		t.Fatal("Unexpected type error")
+	}
+
+	err7 := errors.New("original error")
+	err8 := PrependError("Prepend: ", err7)
+	if err8.Error() != "Prepend: original error" {
+		t.Fatal("Unexpected error string")
+	}
+}