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BigQuerySchemaUtilTest.java
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BigQuerySchemaUtilTest.java
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/*
* Copyright 2022 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
*
* https://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.storage.v1;
import com.google.cloud.bigquery.storage.test.SchemaTest.TestNestedFlexibleFieldName;
import com.google.protobuf.Descriptors.Descriptor;
import java.util.Arrays;
import java.util.List;
import junit.framework.TestCase;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class BigQuerySchemaUtilTest extends TestCase {
@Test
public void testIsProtoCompatible() {
List<String> protoCompatibleNames = Arrays.asList("col_1", "name", "_0_");
List<String> protoIncompatibleNames = Arrays.asList("0_col", "()", "列", "a-1");
protoCompatibleNames.stream()
.forEach(
name -> {
assertTrue(BigQuerySchemaUtil.isProtoCompatible(name));
});
protoIncompatibleNames.stream()
.forEach(
name -> {
assertFalse(BigQuerySchemaUtil.isProtoCompatible(name));
});
}
public void testGeneratePlaceholderFieldName() {
assertEquals("col_c3RyLeWIlw", BigQuerySchemaUtil.generatePlaceholderFieldName("str-列"));
// Base64 url encodes "~/~/" to "fi9-Lw", we replaced - with _ to be proto compatible.
assertEquals("col_fi9_Lw", BigQuerySchemaUtil.generatePlaceholderFieldName("~/~/"));
}
public void testGetFieldName() {
// Test get name from annotations.
Descriptor flexibleDescriptor = TestNestedFlexibleFieldName.getDescriptor();
assertEquals("str-列", BigQuerySchemaUtil.getFieldName(flexibleDescriptor.getFields().get(0)));
assertEquals(
"nested-列", BigQuerySchemaUtil.getFieldName(flexibleDescriptor.getFields().get(1)));
// Test get name without annotations.
Descriptor descriptor = TestNestedFlexibleFieldName.getDescriptor();
assertEquals("int32_value", BigQuerySchemaUtil.getFieldName(descriptor.getFields().get(0)));
assertEquals("int64_value", BigQuerySchemaUtil.getFieldName(descriptor.getFields().get(1)));
}
}