Added integration tests.

gcloud-java-dns/src/main/java/com/google/gcloud/dns/Dns.java

@@ -68,7 +68,8 @@ static String selector(ProjectField... fields) {
    * The fields of a zone.
    *
    * <p>These values can be used to specify the fields to include in a partial response when calling
-   * {@link Dns#getZone(String, ZoneOption...)}. The name is always returned, even if not specified.
+   * {@link Dns#getZone(String, ZoneOption...)}. The name is always returned, even if not
+   * specified.
    */
   enum ZoneField {
     CREATION_TIME("creationTime"),
@@ -103,8 +104,8 @@ static String selector(ZoneField... fields) {
    * The fields of a DNS record.
    *
    * <p>These values can be used to specify the fields to include in a partial response when calling
-   * {@link Dns#listDnsRecords(String, DnsRecordListOption...)}. The name is always returned even if
-   * not selected.
+   * {@link Dns#listDnsRecords(String, DnsRecordListOption...)}. The name and type are always
+   * returned even if not selected.
    */
   enum DnsRecordField {
     DNS_RECORDS("rrdatas"),
@@ -125,6 +126,7 @@ String selector() {
     static String selector(DnsRecordField... fields) {
       Set<String> fieldStrings = Sets.newHashSetWithExpectedSize(fields.length + 1);
       fieldStrings.add(NAME.selector());
+      fieldStrings.add(TYPE.selector());
       for (DnsRecordField field : fields) {
         fieldStrings.add(field.selector());
       }
@@ -198,7 +200,7 @@ class DnsRecordListOption extends AbstractOption implements Serializable {
      */
     public static DnsRecordListOption fields(DnsRecordField... fields) {
       StringBuilder builder = new StringBuilder();
-      builder.append("rrsets(").append(DnsRecordField.selector(fields)).append(')');
+      builder.append("nextPageToken,rrsets(").append(DnsRecordField.selector(fields)).append(')');
       return new DnsRecordListOption(DnsRpc.Option.FIELDS, builder.toString());
     }
 
@@ -234,7 +236,7 @@ public static DnsRecordListOption dnsName(String dnsName) {
      * Dns.DnsRecordListOption#dnsName(String)} must also be present.
      */
     public static DnsRecordListOption type(DnsRecord.Type type) {
-      return new DnsRecordListOption(DnsRpc.Option.DNS_TYPE, type);
+      return new DnsRecordListOption(DnsRpc.Option.DNS_TYPE, type.name());
     }
   }
 
@@ -281,7 +283,7 @@ class ZoneListOption extends AbstractOption implements Serializable {
      */
     public static ZoneListOption fields(ZoneField... fields) {
       StringBuilder builder = new StringBuilder();
-      builder.append("managedZones(").append(ZoneField.selector(fields)).append(')');
+      builder.append("nextPageToken,managedZones(").append(ZoneField.selector(fields)).append(')');
       return new ZoneListOption(DnsRpc.Option.FIELDS, builder.toString());
     }
 
@@ -388,7 +390,8 @@ class ChangeRequestListOption extends AbstractOption implements Serializable {
      */
     public static ChangeRequestListOption fields(ChangeRequestField... fields) {
       StringBuilder builder = new StringBuilder();
-      builder.append("changes(").append(ChangeRequestField.selector(fields)).append(')');
+      builder.append("nextPageToken,changes(").append(ChangeRequestField.selector(fields))
+          .append(')');
       return new ChangeRequestListOption(DnsRpc.Option.FIELDS, builder.toString());
     }
 

gcloud-java-dns/src/main/java/com/google/gcloud/spi/DefaultDnsRpc.java

@@ -162,7 +162,9 @@ public Change getChangeRequest(String zoneName, String changeRequestId, Map<Opti
     } catch (IOException ex) {
       DnsException serviceException = translate(ex);
       if (serviceException.code() == HTTP_NOT_FOUND) {
-        if (serviceException.location().equals("entity.parameters.changeId")) {
+        if ("entity.parameters.changeId".equals(serviceException.location())
+            || (serviceException.getMessage() != null
+            && serviceException.getMessage().contains("parameters.changeId"))) {
           // the change id was not found, but the zone exists
           return null;
         }

gcloud-java-dns/src/test/java/com/google/gcloud/dns/DnsImplTest.java

@@ -368,7 +368,7 @@ public void testListDnsRecordsWithOptions() {
     assertTrue(selector.contains(Dns.DnsRecordField.TTL.selector()));
     selector = (String) capturedOptions.getValue().get(DNS_RECORD_LIST_OPTIONS[3].rpcOption());
     assertEquals(DNS_RECORD_LIST_OPTIONS[3].value(), selector);
-    DnsRecord.Type type = (DnsRecord.Type) capturedOptions.getValue().get(DNS_RECORD_LIST_OPTIONS[4]
+    String type = (String) capturedOptions.getValue().get(DNS_RECORD_LIST_OPTIONS[4]
         .rpcOption());
     assertEquals(DNS_RECORD_LIST_OPTIONS[4].value(), type);
   }

gcloud-java-dns/src/test/java/com/google/gcloud/dns/DnsTest.java

@@ -47,7 +47,7 @@ public void testDnsRecordListOption() {
     // record type
     DnsRecord.Type recordType = DnsRecord.Type.AAAA;
     dnsRecordListOption = Dns.DnsRecordListOption.type(recordType);
-    assertEquals(recordType, dnsRecordListOption.value());
+    assertEquals(recordType.name(), dnsRecordListOption.value());
     assertEquals(DnsRpc.Option.DNS_TYPE, dnsRecordListOption.rpcOption());
     // fields
     dnsRecordListOption = Dns.DnsRecordListOption.fields(Dns.DnsRecordField.NAME,