Add registry_tool host_create command

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=130953679

javatests/google/registry/tools/CreateHostCommandTest.java

@@ -0,0 +1,59 @@
+// Copyright 2016 The Domain Registry 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.tools;
+
+import static google.registry.testing.DatastoreHelper.createTld;
+
+import com.beust.jcommander.ParameterException;
+import org.junit.Test;
+
+/** Unit tests for {@link CreateHostCommand}. */
+public class CreateHostCommandTest extends EppToolCommandTestCase<CreateHostCommand> {
+
+  @Test
+  public void testSuccess_complete() throws Exception {
+    createTld("tld");
+    runCommandForced(
+        "--client=NewRegistrar",
+        "--host=example.tld",
+        "--addresses=162.100.102.99,2001:0db8:85a3:0000:0000:8a2e:0370:7334,4.5.6.7");
+    eppVerifier().verifySent("host_create_complete.xml");
+  }
+
+  @Test
+  public void testSuccess_minimal() throws Exception {
+    // Test that each optional field can be omitted.
+    runCommandForced(
+        "--client=NewRegistrar",
+        "--host=notours.external");
+    eppVerifier().verifySent("host_create_minimal.xml");
+  }
+
+  @Test
+  public void testFailure_missingHost() throws Exception {
+    thrown.expect(ParameterException.class);
+    runCommandForced("--client=NewRegistrar");
+  }
+
+  @Test
+  public void testFailure_invalidIpAddress() throws Exception {
+    createTld("tld");
+    thrown.expect(IllegalArgumentException.class, "'a.b.c.d' is not an IP string literal.");
+    runCommandForced(
+        "--client=NewRegistrar",
+        "--host=example.tld",
+        "--addresses=a.b.c.d");
+  }
+}