Github user twdsilva commented on a diff in the pull request:
https://github.com/apache/phoenix/pull/93#discussion_r35394919
--- Diff:
phoenix-core/src/test/java/org/apache/phoenix/expression/function/JsonFunctionTest.java
---
@@ -0,0 +1,284 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF 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.apache.phoenix.expression.function;
+
+import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
+import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.phoenix.expression.Expression;
+import org.apache.phoenix.expression.LiteralExpression;
+import org.apache.phoenix.schema.json.PhoenixJson;
+import org.apache.phoenix.schema.types.*;
+import org.junit.Test;
+
+import java.sql.Time;
+import java.sql.Timestamp;
+import java.util.Date;
+import java.text.SimpleDateFormat;
+import java.util.Arrays;
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+
+
+/**
+ * Unit tests for JSON build-in function.
+ * Testing function includes below:
+ * {@link ArrayToJsonFunction}
+ * {@link JsonArrayElementsFunction}
+ * {@link JsonPopulateRecordFunction}
+ * {@link JsonPopulateRecordSetFunction}
+ * {@link JsonArrayLengthFunction}
+ * {@link JsonObjectKeysFunction}
+ * {@link ToJsonFunction}
+ * {@link JsonEachFunction}
+ *
+ */
+public class JsonFunctionTest {
+ public static final String TEST_JSON_STR =
+
"{\"f2\":{\"f3\":\"value\"},\"f4\":{\"f5\":99,\"f6\":[1,true,\"foo\"]},\"f7\":true}";
+
+ private static PhoenixJson testArrayToJson (Object[] array,PDataType
datatype,PArrayDataType arraydatatype) throws Exception {
+ PhoenixArray pa = PArrayDataType.instantiatePhoenixArray(
datatype,array);
+ LiteralExpression arrayExpr =
LiteralExpression.newConstant(pa,arraydatatype );
+ List<Expression> children = Arrays.<Expression>asList(arrayExpr);
+ ArrayToJsonFunction e = new ArrayToJsonFunction(children);
+ ImmutableBytesWritable ptr = new ImmutableBytesWritable();
+ boolean evaluated = e.evaluate(null, ptr);
+ PhoenixJson result = (PhoenixJson)e.getDataType().toObject(ptr);
+ return result;
+ }
+
+ @Test
+ public void testNumberArrayToJson() throws Exception {
+ Object[] testarray = new Object[]{1,12,32,432};
+ PhoenixJson result = testArrayToJson(testarray, PInteger.INSTANCE,
PIntegerArray.INSTANCE);
--- End diff --
Just add test that executes this function as a query.
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