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FieldTest.java
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FieldTest.java
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/*
* Copyright 2015 Google LLC
*
* Licensed 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 com.google.cloud.bigquery;
import static org.junit.Assert.assertEquals;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import org.junit.Test;
public class FieldTest {
private static final String FIELD_NAME1 = "StringField";
private static final String FIELD_NAME2 = "IntegerField";
private static final String FIELD_NAME3 = "RecordField";
private static final LegacySQLTypeName FIELD_TYPE1 = LegacySQLTypeName.STRING;
private static final LegacySQLTypeName FIELD_TYPE2 = LegacySQLTypeName.INTEGER;
private static final StandardSQLTypeName FIELD_TYPE1_STANDARD = StandardSQLTypeName.STRING;
private static final Field.Mode FIELD_MODE1 = Field.Mode.NULLABLE;
private static final Field.Mode FIELD_MODE2 = Field.Mode.REPEATED;
private static final Field.Mode FIELD_MODE3 = Field.Mode.REQUIRED;
private static final String FIELD_DESCRIPTION1 = "FieldDescription1";
private static final String FIELD_DESCRIPTION2 = "FieldDescription2";
private static final String FIELD_DESCRIPTION3 = "FieldDescription3";
private static final Field FIELD_SCHEMA1 =
Field.newBuilder(FIELD_NAME1, FIELD_TYPE1)
.setMode(FIELD_MODE1)
.setDescription(FIELD_DESCRIPTION1)
.build();
private static final Field FIELD_SCHEMA2 =
Field.newBuilder(FIELD_NAME2, FIELD_TYPE2)
.setMode(FIELD_MODE2)
.setDescription(FIELD_DESCRIPTION2)
.build();
private static final LegacySQLTypeName FIELD_TYPE3 = LegacySQLTypeName.RECORD;
private static final StandardSQLTypeName FIELD_TYPE3_STANDARD = StandardSQLTypeName.STRUCT;
private static final Field FIELD_SCHEMA3 =
Field.newBuilder(FIELD_NAME3, FIELD_TYPE3, FIELD_SCHEMA1, FIELD_SCHEMA2)
.setMode(FIELD_MODE3)
.setDescription(FIELD_DESCRIPTION3)
.build();
private static final Field STANDARD_FIELD_SCHEMA1 =
Field.newBuilder(FIELD_NAME1, StandardSQLTypeName.STRING)
.setMode(FIELD_MODE1)
.setDescription(FIELD_DESCRIPTION1)
.build();
private static final Field STANDARD_FIELD_SCHEMA2 =
Field.newBuilder(FIELD_NAME2, StandardSQLTypeName.INT64)
.setMode(FIELD_MODE2)
.setDescription(FIELD_DESCRIPTION2)
.build();
private static final Field STANDARD_FIELD_SCHEMA3 =
Field.newBuilder(
FIELD_NAME3,
StandardSQLTypeName.STRUCT,
STANDARD_FIELD_SCHEMA1,
STANDARD_FIELD_SCHEMA2)
.setMode(FIELD_MODE3)
.setDescription(FIELD_DESCRIPTION3)
.build();
@Test
public void testToBuilder() {
compareFieldSchemas(FIELD_SCHEMA1, FIELD_SCHEMA1.toBuilder().build());
compareFieldSchemas(FIELD_SCHEMA2, FIELD_SCHEMA2.toBuilder().build());
compareFieldSchemas(FIELD_SCHEMA3, FIELD_SCHEMA3.toBuilder().build());
Field field = FIELD_SCHEMA1.toBuilder().setDescription("New Description").build();
assertEquals("New Description", field.getDescription());
field = field.toBuilder().setDescription(FIELD_DESCRIPTION1).build();
compareFieldSchemas(FIELD_SCHEMA1, field);
}
@Test
public void testToBuilderWithStandardSQLTypeName() {
compareFieldSchemas(STANDARD_FIELD_SCHEMA1, STANDARD_FIELD_SCHEMA1.toBuilder().build());
compareFieldSchemas(STANDARD_FIELD_SCHEMA2, STANDARD_FIELD_SCHEMA2.toBuilder().build());
compareFieldSchemas(STANDARD_FIELD_SCHEMA3, STANDARD_FIELD_SCHEMA3.toBuilder().build());
Field field = STANDARD_FIELD_SCHEMA1.toBuilder().setDescription("New Description").build();
assertEquals("New Description", field.getDescription());
field = field.toBuilder().setDescription(FIELD_DESCRIPTION1).build();
compareFieldSchemas(STANDARD_FIELD_SCHEMA1, field);
}
@Test
public void testToBuilderIncomplete() {
Field field = Field.of(FIELD_NAME1, FIELD_TYPE1);
compareFieldSchemas(field, field.toBuilder().build());
field = Field.of(FIELD_NAME2, FIELD_TYPE3, FIELD_SCHEMA1, FIELD_SCHEMA2);
compareFieldSchemas(field, field.toBuilder().build());
}
@Test
public void testToBuilderIncompleteWithStandardSQLTypeName() {
Field field = Field.of(FIELD_NAME1, FIELD_TYPE1);
compareFieldSchemas(field, field.toBuilder().build());
field = Field.of(FIELD_NAME2, FIELD_TYPE3, STANDARD_FIELD_SCHEMA1, STANDARD_FIELD_SCHEMA2);
compareFieldSchemas(field, field.toBuilder().build());
}
@Test
public void testToBuilderIncompleteStandard() {
Field field = Field.of(FIELD_NAME1, FIELD_TYPE1_STANDARD);
compareFieldSchemas(field, field.toBuilder().build());
field = Field.of(FIELD_NAME2, FIELD_TYPE3_STANDARD, FIELD_SCHEMA1, FIELD_SCHEMA2);
compareFieldSchemas(field, field.toBuilder().build());
}
@Test
public void testToBuilderIncompleteStandardWithStandardSQLTypeName() {
Field field = Field.of(FIELD_NAME1, FIELD_TYPE1_STANDARD);
compareFieldSchemas(field, field.toBuilder().build());
field = Field.of(FIELD_NAME2, FIELD_TYPE3_STANDARD, STANDARD_FIELD_SCHEMA1, STANDARD_FIELD_SCHEMA2);
compareFieldSchemas(field, field.toBuilder().build());
}
@Test
public void testBuilder() {
assertEquals(FIELD_NAME1, FIELD_SCHEMA1.getName());
assertEquals(FIELD_TYPE1, FIELD_SCHEMA1.getType());
assertEquals(FIELD_MODE1, FIELD_SCHEMA1.getMode());
assertEquals(FIELD_DESCRIPTION1, FIELD_SCHEMA1.getDescription());
assertEquals(null, FIELD_SCHEMA1.getSubFields());
assertEquals(FIELD_NAME3, FIELD_SCHEMA3.getName());
assertEquals(FIELD_TYPE3, FIELD_SCHEMA3.getType());
assertEquals(FIELD_MODE3, FIELD_SCHEMA3.getMode());
assertEquals(FIELD_DESCRIPTION3, FIELD_SCHEMA3.getDescription());
assertEquals(FieldList.of(FIELD_SCHEMA1, FIELD_SCHEMA2), FIELD_SCHEMA3.getSubFields());
}
@Test
public void testBuilderWithStandardSQLTypeName() {
assertEquals(FIELD_NAME1, STANDARD_FIELD_SCHEMA1.getName());
assertEquals(FIELD_TYPE1, STANDARD_FIELD_SCHEMA1.getType());
assertEquals(FIELD_MODE1, STANDARD_FIELD_SCHEMA1.getMode());
assertEquals(FIELD_DESCRIPTION1, STANDARD_FIELD_SCHEMA1.getDescription());
assertEquals(null, STANDARD_FIELD_SCHEMA1.getSubFields());
assertEquals(FIELD_NAME3, STANDARD_FIELD_SCHEMA3.getName());
assertEquals(FIELD_TYPE3, STANDARD_FIELD_SCHEMA3.getType());
assertEquals(FIELD_MODE3, STANDARD_FIELD_SCHEMA3.getMode());
assertEquals(FIELD_DESCRIPTION3, STANDARD_FIELD_SCHEMA3.getDescription());
assertEquals(
FieldList.of(STANDARD_FIELD_SCHEMA1, STANDARD_FIELD_SCHEMA2),
STANDARD_FIELD_SCHEMA3.getSubFields());
}
@Test
public void testToAndFromPb() {
compareFieldSchemas(FIELD_SCHEMA1, Field.fromPb(FIELD_SCHEMA1.toPb()));
compareFieldSchemas(FIELD_SCHEMA2, Field.fromPb(FIELD_SCHEMA2.toPb()));
compareFieldSchemas(FIELD_SCHEMA3, Field.fromPb(FIELD_SCHEMA3.toPb()));
Field field = Field.newBuilder(FIELD_NAME1, FIELD_TYPE1).build();
compareFieldSchemas(field, Field.fromPb(field.toPb()));
}
@Test
public void testToAndFromPbWithStandardSQLTypeName() {
compareFieldSchemas(STANDARD_FIELD_SCHEMA1, Field.fromPb(STANDARD_FIELD_SCHEMA1.toPb()));
compareFieldSchemas(STANDARD_FIELD_SCHEMA2, Field.fromPb(STANDARD_FIELD_SCHEMA2.toPb()));
compareFieldSchemas(STANDARD_FIELD_SCHEMA3, Field.fromPb(STANDARD_FIELD_SCHEMA3.toPb()));
Field field = Field.newBuilder(FIELD_NAME1, FIELD_TYPE1).build();
compareFieldSchemas(field, Field.fromPb(field.toPb()));
}
@Test
public void testSubFieldWithClonedType() throws Exception {
LegacySQLTypeName record = LegacySQLTypeName.RECORD;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(record);
oos.flush();
oos.close();
InputStream is = new ByteArrayInputStream(baos.toByteArray());
ObjectInputStream ois = new ObjectInputStream(is);
LegacySQLTypeName clonedRecord = (LegacySQLTypeName) ois.readObject();
ois.close();
Field.of("field", clonedRecord, Field.of("subfield", LegacySQLTypeName.BOOLEAN));
}
private void compareFieldSchemas(Field expected, Field value) {
assertEquals(expected, value);
assertEquals(expected.getName(), value.getName());
assertEquals(expected.getType(), value.getType());
assertEquals(expected.getMode(), value.getMode());
assertEquals(expected.getDescription(), value.getDescription());
assertEquals(expected.getSubFields(), value.getSubFields());
}
}