Add domain_unlock nomulus command

This command is used by registry operators to apply registry locks to
domain names.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=176577240

javatests/google/registry/tools/UnlockDomainCommandTest.java

@@ -0,0 +1,120 @@
+// 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.tools;
+
+import static com.google.common.truth.Truth.assertThat;
+import static google.registry.model.eppcommon.StatusValue.SERVER_DELETE_PROHIBITED;
+import static google.registry.model.eppcommon.StatusValue.SERVER_TRANSFER_PROHIBITED;
+import static google.registry.model.eppcommon.StatusValue.SERVER_UPDATE_PROHIBITED;
+import static google.registry.testing.DatastoreHelper.newDomainResource;
+import static google.registry.testing.DatastoreHelper.persistActiveDomain;
+import static google.registry.testing.DatastoreHelper.persistResource;
+import static google.registry.testing.JUnitBackports.expectThrows;
+import static google.registry.testing.TestDataHelper.applySubstitutions;
+import static google.registry.tools.server.ToolsTestData.loadUtf8;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
+import java.util.ArrayList;
+import java.util.List;
+import org.junit.Test;
+
+/** Unit tests for {@link UnlockDomainCommand}. */
+public class UnlockDomainCommandTest extends EppToolCommandTestCase<UnlockDomainCommand> {
+
+  /** Gets an overridden eppVerifier that has superuser set to true on it. */
+  @Override
+  EppToolVerifier eppVerifier() {
+    return new EppToolVerifier()
+        .withConnection(connection)
+        .withClientId("NewRegistrar")
+        .asSuperuser();
+  }
+
+  private static void persistLockedDomain(String domainName) {
+    persistResource(
+        newDomainResource(domainName)
+            .asBuilder()
+            .addStatusValues(
+                ImmutableSet.of(
+                    SERVER_DELETE_PROHIBITED, SERVER_TRANSFER_PROHIBITED, SERVER_UPDATE_PROHIBITED))
+            .build());
+  }
+
+  @Test
+  public void testSuccess_sendsCorrectEppXml() throws Exception {
+    persistLockedDomain("example.tld");
+    runCommandForced("--client=NewRegistrar", "example.tld");
+    eppVerifier()
+        .verifySentContents(
+            ImmutableList.of(
+                loadUtf8("domain_unlock.xml", ImmutableMap.of("DOMAIN", "example.tld"))));
+  }
+
+  @Test
+  public void testSuccess_partiallyUpdatesStatuses() throws Exception {
+    persistResource(
+        newDomainResource("example.tld")
+            .asBuilder()
+            .addStatusValues(ImmutableSet.of(SERVER_DELETE_PROHIBITED, SERVER_UPDATE_PROHIBITED))
+            .build());
+    runCommandForced("--client=NewRegistrar", "example.tld");
+    eppVerifier().verifySent("domain_unlock_partial_statuses.xml");
+  }
+
+  @Test
+  public void testSuccess_manyDomains() throws Exception {
+    List<String> params = new ArrayList<>();
+    List<String> expectedXmls = new ArrayList<>();
+    params.add("--client=NewRegistrar");
+    String updateDomainXml = loadUtf8("domain_unlock.xml");
+    // Create 26 domains -- one more than the number of entity groups allowed in a transaction (in
+    // case that was going to be the failure point).
+    for (int n = 0; n < 26; n++) {
+      String domain = String.format("domain%d.tld", n);
+      persistLockedDomain(domain);
+      params.add(domain);
+      expectedXmls.add(applySubstitutions(updateDomainXml, ImmutableMap.of("DOMAIN", domain)));
+    }
+    runCommandForced(params);
+    eppVerifier().verifySentContents(expectedXmls);
+  }
+
+  @Test
+  public void testFailure_domainDoesntExist() throws Exception {
+    IllegalArgumentException e =
+        expectThrows(
+            IllegalArgumentException.class,
+            () -> runCommandForced("--client=NewRegistrar", "missing.tld"));
+    assertThat(e).hasMessageThat().isEqualTo("Domain 'missing.tld' does not exist");
+  }
+
+  @Test
+  public void testSuccess_alreadyUnlockedDomain_performsNoAction() throws Exception {
+    persistActiveDomain("example.tld");
+    runCommandForced("--client=NewRegistrar", "example.tld");
+    eppVerifier().verifyNothingSent();
+  }
+
+  @Test
+  public void testFailure_duplicateDomainsAreSpecified() throws Exception {
+    IllegalArgumentException e =
+        expectThrows(
+            IllegalArgumentException.class,
+            () -> runCommandForced("--client=NewRegistrar", "dupe.tld", "dupe.tld"));
+    assertThat(e).hasMessageThat().isEqualTo("Duplicate domain arguments found: 'dupe.tld'");
+  }
+}