Add mapper to import domains from RDE deposits

With some additional cleanup by Ben McIlwain.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=146695665

javatests/google/registry/rde/imports/RdeImportTestUtils.java

@@ -0,0 +1,42 @@
+// Copyright 2017 The Nomulus Authors. All Rights Reserved.
+//
+// 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 google.registry.rde.imports;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import google.registry.model.eppcommon.Trid;
+
+/**
+ * Collection of test utility logic for RDE import.
+ */
+public class RdeImportTestUtils {
+
+  /**
+   * Verifies that the {@link Trid} <code>clientTransactionId</code> meets system requirements.
+   *
+   * <ol>
+   *  <li><code>clientTransactionId</code> cannot be null
+   *  <li><code>clientTransactionId</code> must be a token between 3 and 64 characters long
+   *  <li><code>clientTransactionId</code> must be prefixed with <code>Import__</code>
+   * </ol>
+   */
+  public static void checkTrid(Trid trid) {
+    assertThat(trid).isNotNull();
+    assertThat(trid.getClientTransactionId()).isNotNull();
+    assertThat(trid.getClientTransactionId().length()).isAtLeast(3);
+    assertThat(trid.getClientTransactionId().length()).isAtMost(64);
+    assertThat(trid.getClientTransactionId()).startsWith("Import_");
+  }
+}