1 files changed, 60 insertions, 0 deletions
diff --git a/core/src/test/java/org/elasticsearch/search/suggest/completion/QueryContextTestCase.java b/core/src/test/java/org/elasticsearch/search/suggest/completion/QueryContextTestCase.java
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index 0000000000..b4a6a5b1da
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+++ b/core/src/test/java/org/elasticsearch/search/suggest/completion/QueryContextTestCase.java
@@ -0,0 +1,60 @@
+/*
+ * Licensed to Elasticsearch under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch licenses this file to you 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 org.elasticsearch.search.suggest.completion;
+
+import org.elasticsearch.common.bytes.BytesReference;
+import org.elasticsearch.common.io.stream.StreamInput;
+import org.elasticsearch.common.xcontent.ToXContent;
+import org.elasticsearch.common.xcontent.XContentBuilder;
+import org.elasticsearch.common.xcontent.XContentFactory;
+import org.elasticsearch.common.xcontent.XContentParser;
+import org.elasticsearch.search.suggest.completion.context.QueryContext;
+
+import java.io.IOException;
+
+
+public abstract class QueryContextTestCase<QC extends QueryContext> extends WritableTestCase<QC> {
+
+    private static final int NUMBER_OF_RUNS = 20;
+
+    /**
+     * query context prototype to read serialized format
+     */
+    protected abstract QC prototype();
+
+    @Override
+    protected QC readFrom(StreamInput in) throws IOException {
+        return (QC) prototype().readFrom(in);
+    }
+
+    public void testToXContext() throws IOException {
+        for (int i = 0; i < NUMBER_OF_RUNS; i++) {
+            QueryContext toXContent = createTestModel();
+            XContentBuilder builder = XContentFactory.jsonBuilder();
+            toXContent.toXContent(builder, ToXContent.EMPTY_PARAMS);
+            BytesReference bytesReference = builder.bytes();
+            XContentParser parser = XContentFactory.xContent(bytesReference).createParser(bytesReference);
+            parser.nextToken();
+            QueryContext fromXContext = prototype().fromXContext(parser);
+            assertEquals(toXContent, fromXContext);
+            assertEquals(toXContent.hashCode(), fromXContext.hashCode());
+        }
+    }
+}