sdks/java/extensions/sql/src/test/java/org/apache/beam/sdk/extensions/sql/meta/provider/bigquery/BigQueryTableProviderTest.java

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *
 *     http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.beam.sdk.extensions.sql.meta.provider.bigquery;

import static org.apache.beam.sdk.schemas.Schema.toSchema;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import java.util.stream.Stream;
import org.apache.beam.sdk.extensions.sql.BeamSqlTable;
import org.apache.beam.sdk.extensions.sql.meta.Table;
import org.apache.beam.sdk.schemas.Schema;
import org.junit.Test;

/** UnitTest for {@link BigQueryTableProvider}. */
public class BigQueryTableProviderTest {
  private BigQueryTableProvider provider = new BigQueryTableProvider();

  @Test
  public void testGetTableType() throws Exception {
    assertEquals("bigquery", provider.getTableType());
  }

  @Test
  public void testBuildBeamSqlTable() throws Exception {
    Table table = fakeTable("hello");
    BeamSqlTable sqlTable = provider.buildBeamSqlTable(table);

    assertNotNull(sqlTable);
    assertTrue(sqlTable instanceof BigQueryTable);

    BigQueryTable bqTable = (BigQueryTable) sqlTable;
    assertEquals("project:dataset.table", bqTable.bqLocation);
  }

  private static Table fakeTable(String name) {
    return Table.builder()
        .name(name)
        .comment(name + " table")
        .location("project:dataset.table")
        .schema(
            Stream.of(
                    Schema.Field.nullable("id", Schema.FieldType.INT32),
                    Schema.Field.nullable("name", Schema.FieldType.STRING))
                .collect(toSchema()))
        .type("bigquery")
        .build();
  }
}