Move BaseMessageEventUtil to trace package. (#1076)

* Move BaseMessageEventUtil to trace package.

* Move BaseMessageEventUtil to trace.internal. Work around findbugs.

* Update findbugs-exclude and remove since tag.

1 files changed, 71 insertions, 0 deletions

diff --git a/api/src/test/java/io/opencensus/trace/internal/BaseMessageEventUtilTest.java b/api/src/test/java/io/opencensus/trace/internal/BaseMessageEventUtilTest.java
new file mode 100644
index 00000000..2d02d403
--- /dev/null
+++ b/api/src/test/java/io/opencensus/trace/internal/BaseMessageEventUtilTest.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright 2018, OpenCensus Authors
+ *
+ * Licensed 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 io.opencensus.trace.internal;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import io.opencensus.trace.MessageEvent;
+import io.opencensus.trace.NetworkEvent;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Unit tests for {@link BaseMessageEventUtil}. */
+@RunWith(JUnit4.class)
+public class BaseMessageEventUtilTest {
+  private static final long SENT_EVENT_ID = 12345L;
+  private static final long RECV_EVENT_ID = 67890L;
+  private static final long UNCOMPRESSED_SIZE = 100;
+  private static final long COMPRESSED_SIZE = 99;
+
+  private static final MessageEvent SENT_MESSAGE_EVENT =
+      MessageEvent.builder(MessageEvent.Type.SENT, SENT_EVENT_ID)
+          .setUncompressedMessageSize(UNCOMPRESSED_SIZE)
+          .setCompressedMessageSize(COMPRESSED_SIZE)
+          .build();
+  private static final MessageEvent RECV_MESSAGE_EVENT =
+      MessageEvent.builder(MessageEvent.Type.RECEIVED, RECV_EVENT_ID)
+          .setUncompressedMessageSize(UNCOMPRESSED_SIZE)
+          .setCompressedMessageSize(COMPRESSED_SIZE)
+          .build();
+  private static final NetworkEvent SENT_NETWORK_EVENT =
+      NetworkEvent.builder(NetworkEvent.Type.SENT, SENT_EVENT_ID)
+          .setUncompressedMessageSize(UNCOMPRESSED_SIZE)
+          .setCompressedMessageSize(COMPRESSED_SIZE)
+          .build();
+  private static final NetworkEvent RECV_NETWORK_EVENT =
+      NetworkEvent.builder(NetworkEvent.Type.RECV, RECV_EVENT_ID)
+          .setUncompressedMessageSize(UNCOMPRESSED_SIZE)
+          .setCompressedMessageSize(COMPRESSED_SIZE)
+          .build();
+
+  @Test
+  public void networkEventToMessageEvent() {
+    assertThat(BaseMessageEventUtil.asMessageEvent(SENT_NETWORK_EVENT))
+        .isEqualTo(SENT_MESSAGE_EVENT);
+    assertThat(BaseMessageEventUtil.asMessageEvent(RECV_NETWORK_EVENT))
+        .isEqualTo(RECV_MESSAGE_EVENT);
+  }
+
+  @Test
+  public void messageEventToNetworkEvent() {
+    assertThat(BaseMessageEventUtil.asNetworkEvent(SENT_MESSAGE_EVENT))
+        .isEqualTo(SENT_NETWORK_EVENT);
+    assertThat(BaseMessageEventUtil.asNetworkEvent(RECV_MESSAGE_EVENT))
+        .isEqualTo(RECV_NETWORK_EVENT);
+  }
+}