/**
* 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.sqoop.json.util;
import org.apache.sqoop.schema.Schema;
import org.apache.sqoop.schema.type.Array;
import org.apache.sqoop.schema.type.Binary;
import org.apache.sqoop.schema.type.Bit;
import org.apache.sqoop.schema.type.Date;
import org.apache.sqoop.schema.type.DateTime;
import org.apache.sqoop.schema.type.Decimal;
import org.apache.sqoop.schema.type.Enum;
import org.apache.sqoop.schema.type.FixedPoint;
import org.apache.sqoop.schema.type.FloatingPoint;
import org.apache.sqoop.schema.type.Map;
import org.apache.sqoop.schema.type.Set;
import org.apache.sqoop.schema.type.Text;
import org.apache.sqoop.schema.type.Time;
import org.apache.sqoop.schema.type.Unsupported;
import org.json.simple.JSONObject;
import org.json.simple.JSONValue;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
*
*/
public class TestSchemaSerialization {
@Test
public void testArray() {
Schema array = new Schema("array").addColumn(new Array("a", new Decimal()));
transferAndAssert(array);
}
@Test
public void testBinary() {
Schema binary = new Schema("b").addColumn(new Binary("A", 100L));
transferAndAssert(binary);
}
@Test
public void testBit() {
Schema bit = new Schema("b").addColumn(new Bit("B"));
transferAndAssert(bit);
}
@Test
public void testDate() {
Schema date = new Schema("d").addColumn(new Date("d"));
transferAndAssert(date);
}
@Test
public void testDateTime() {
Schema dateTime = new Schema("dt").addColumn(new DateTime("dt", Boolean.FALSE, Boolean.TRUE));
transferAndAssert(dateTime);
}
@Test
public void testDecimal() {
Schema decimal = new Schema("d").addColumn(new Decimal("d", 12L, 15L));
transferAndAssert(decimal);
}
@Test
public void testEnum() {
Schema e = new Schema("e").addColumn(new Enum("e", new Text()));
transferAndAssert(e);
}
@Test
public void testFixedPoint() {
Schema f = new Schema("f").addColumn(new FixedPoint("fp", 4L, Boolean.FALSE));
transferAndAssert(f);
}
@Test
public void testFloatingPoint() {
Schema fp = new Schema("fp").addColumn(new FloatingPoint("k", 4L));
transferAndAssert(fp);
}
@Test
public void testMap() {
Schema m = new Schema("m").addColumn(new Map("m", new Text(), new Decimal()));
transferAndAssert(m);
}
@Test
public void testSet() {
Schema s = new Schema("s").addColumn(new Set("b", new Binary()));
transferAndAssert(s);
}
@Test
public void testText() {
Schema t = new Schema("t").addColumn(new Text("x", 10L));
transferAndAssert(t);
}
@Test
public void testTime() {
Schema t = new Schema("t").addColumn(new Time("t", Boolean.FALSE));
transferAndAssert(t);
}
@Test
public void testUnsupported() {
Schema t = new Schema("t").addColumn(new Unsupported("u", 4L));
transferAndAssert(t);
}
@Test
public void testNullable() {
Schema nullable = new Schema("n").addColumn(new Text("x", Boolean.FALSE));
transferAndAssert(nullable);
}
@Test
public void testAllTypes() {
Schema allTypes = new Schema("all-types")
.addColumn(new Array("a", new Text()))
.addColumn(new Binary("b"))
.addColumn(new Bit("c"))
.addColumn(new Date("d"))
.addColumn(new DateTime("e"))
.addColumn(new Decimal("f"))
.addColumn(new Enum("g", new Text()))
.addColumn(new FixedPoint("h"))
.addColumn(new FloatingPoint("i"))
.addColumn(new Map("j", new Text(), new Text()))
.addColumn(new Set("k", new Text()))
.addColumn(new Text("l"))
.addColumn(new Time("m"))
.addColumn(new Unsupported("u"))
;
transferAndAssert(allTypes);
}
@Test
public void testComplex() {
Schema complex = new Schema("complex")
.addColumn(new Map(new Array(new Enum(new Text())), new Set(new Array(new Text()))).setName("a"))
;
transferAndAssert(complex);
}
private void transferAndAssert(Schema schema) {
Schema transferred = transfer(schema);
assertEquals(schema, transferred);
}
protected Schema transfer(Schema schema) {
JSONObject extractJson = SchemaSerialization.extractSchema(schema);
String transferredString = extractJson.toJSONString();
JSONObject restoreJson = (JSONObject) JSONValue.parse(transferredString);
return SchemaSerialization.restoreSchemna(restoreJson);
}
}