[TEST] properly wait for mapping on master node

add helper method to do so, by not assuming that the mapping will exists right away by waiting for green or refreshing...

src/test/java/org/elasticsearch/indices/mapping/SimpleDeleteMappingTests.java

@@ -19,10 +19,13 @@
 
 package org.elasticsearch.indices.mapping;
 
+import com.google.common.base.Predicate;
 import org.elasticsearch.action.ActionRequestValidationException;
 import org.elasticsearch.action.admin.indices.mapping.get.GetMappingsResponse;
 import org.elasticsearch.action.count.CountResponse;
 import org.elasticsearch.cluster.ClusterState;
+import org.elasticsearch.cluster.metadata.MappingMetaData;
+import org.elasticsearch.common.collect.ImmutableOpenMap;
 import org.elasticsearch.test.ElasticsearchIntegrationTest;
 import org.elasticsearch.test.hamcrest.ElasticsearchAssertions;
 import org.junit.Test;
@@ -53,24 +56,33 @@ public class SimpleDeleteMappingTests extends ElasticsearchIntegrationTest {
             assertThat(countResponse.getCount(), equalTo(10l));
         }
 
-        ClusterState clusterState = client().admin().cluster().prepareState().execute().actionGet().getState();
-
-        assertThat(clusterState.metaData().index("test").mappings().containsKey("type1"), equalTo(true));
+        waitForMappingOnMaster("test", "type1");
 
         GetMappingsResponse mappingsResponse = client().admin().indices().prepareGetMappings("test").setTypes("type1").execute().actionGet();
         assertThat(mappingsResponse.getMappings().get("test").get("type1"), notNullValue());
 
-        ElasticsearchAssertions.assertAcked(client().admin().indices().prepareDeleteMapping().setIndices("test").setType("type1"));
+        assertAcked(client().admin().indices().prepareDeleteMapping().setIndices("test").setType("type1"));
 
         for (int i = 0; i < 10; i++) {
             CountResponse countResponse = client().prepareCount().setQuery(matchAllQuery()).execute().actionGet();
             assertThat(countResponse.getCount(), equalTo(0l));
         }
 
-        clusterState = client().admin().cluster().prepareState().execute().actionGet().getState();
-        assertThat(clusterState.metaData().index("test").mappings().containsKey("type1"), equalTo(false));
-        mappingsResponse = client().admin().indices().prepareGetMappings("test").setTypes("type1").execute().actionGet();
-        assertThat(mappingsResponse.getMappings().get("test"), nullValue());
+        boolean applied = awaitBusy(new Predicate<Object>() {
+            @Override
+            public boolean apply(Object input) {
+                GetMappingsResponse response = client().admin().indices().prepareGetMappings("test").setTypes("type1").get();
+                ImmutableOpenMap<String, MappingMetaData> mappings = response.getMappings().get("test");
+                if (mappings == null) {
+                    return true;
+                }
+                return !mappings.containsKey("type1");
+            }
+        });
+        if (!applied) {
+            fail("failed to wait for the mapping to be removed from the master cluster state");
+        }
+
     }
     
     

src/test/java/org/elasticsearch/test/ElasticsearchIntegrationTest.java

@@ -41,6 +41,7 @@ import org.elasticsearch.action.admin.cluster.tasks.PendingClusterTasksResponse;
 import org.elasticsearch.action.admin.indices.create.CreateIndexRequestBuilder;
 import org.elasticsearch.action.admin.indices.exists.indices.IndicesExistsResponse;
 import org.elasticsearch.action.admin.indices.flush.FlushResponse;
+import org.elasticsearch.action.admin.indices.mapping.get.GetMappingsResponse;
 import org.elasticsearch.action.admin.indices.optimize.OptimizeResponse;
 import org.elasticsearch.action.admin.indices.refresh.RefreshResponse;
 import org.elasticsearch.action.admin.indices.template.put.PutIndexTemplateRequestBuilder;
@@ -55,6 +56,7 @@ import org.elasticsearch.client.AdminClient;
 import org.elasticsearch.client.Client;
 import org.elasticsearch.client.Requests;
 import org.elasticsearch.cluster.ClusterService;
+import org.elasticsearch.cluster.metadata.MappingMetaData;
 import org.elasticsearch.cluster.metadata.MetaData;
 import org.elasticsearch.cluster.node.DiscoveryNode;
 import org.elasticsearch.cluster.routing.MutableShardRouting;
@@ -62,6 +64,7 @@ import org.elasticsearch.cluster.routing.ShardRoutingState;
 import org.elasticsearch.common.Nullable;
 import org.elasticsearch.common.Priority;
 import org.elasticsearch.common.Strings;
+import org.elasticsearch.common.collect.ImmutableOpenMap;
 import org.elasticsearch.common.collect.Tuple;
 import org.elasticsearch.common.settings.ImmutableSettings;
 import org.elasticsearch.common.settings.Settings;
@@ -803,6 +806,26 @@ public abstract class ElasticsearchIntegrationTest extends ElasticsearchTestCase
         }
     }
 
+    /**
+     * Waits for the given mapping type to exists on the master node.
+     */
+    public void waitForMappingOnMaster(final String index, final String type) throws InterruptedException {
+        boolean applied = awaitBusy(new Predicate<Object>() {
+            @Override
+            public boolean apply(Object input) {
+                GetMappingsResponse response = client().admin().indices().prepareGetMappings(index).setTypes(type).get();
+                ImmutableOpenMap<String, MappingMetaData> mappings = response.getMappings().get(index);
+                if (mappings == null) {
+                    return false;
+                }
+                return mappings.containsKey(type);
+            }
+        });
+        if (!applied) {
+            fail("failed to find mappings for index " + index + ", type " + type + " on master node");
+        }
+    }
+
     /**
      * Restricts the given index to be allocated on <code>n</code> nodes using the allocation deciders.
      * Yet if the shards can't be allocated on any other node shards for this index will remain allocated on