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minor code fixes and test case addition
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39 changes: 39 additions & 0 deletions
39
...n-redshift-plugin/src/test/java/io/cdap/plugin/amazon/redshift/RedshiftConnectorTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| /* | ||
| * Copyright © 2023 Cask Data, Inc. | ||
| * | ||
| * 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 io.cdap.plugin.amazon.redshift; | ||
|
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| import io.cdap.plugin.db.connector.DBSpecificConnectorBaseTest; | ||
| import org.junit.Test; | ||
|
|
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| import java.io.IOException; | ||
|
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| /** | ||
| * Unit tests for {@link RedshiftConnector} | ||
| */ | ||
| public class RedshiftConnectorTest extends DBSpecificConnectorBaseTest { | ||
|
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| private static final String JDBC_DRIVER_CLASS_NAME = "org.postgresql.Driver"; | ||
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| @Test | ||
| public void test() throws IOException, ClassNotFoundException, InstantiationException, IllegalAccessException { | ||
| test(new RedshiftConnector( | ||
| new RedshiftConnectorConfig(username, password, JDBC_PLUGIN_NAME, connectionArguments, host, database, | ||
| port)), | ||
| JDBC_DRIVER_CLASS_NAME, RedshiftConstants.PLUGIN_NAME); | ||
| } | ||
| } | ||
|
|
55 changes: 55 additions & 0 deletions
55
...dshift-plugin/src/test/java/io/cdap/plugin/amazon/redshift/RedshiftConnectorUnitTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| /* | ||
| * Copyright © 2023 Cask Data, Inc. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
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| package io.cdap.plugin.amazon.redshift; | ||
|
|
||
| import org.junit.Assert; | ||
| import org.junit.Rule; | ||
| import org.junit.Test; | ||
| import org.junit.rules.ExpectedException; | ||
|
|
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| /** | ||
| * Unit tests for {@link RedshiftConnector} | ||
| */ | ||
| public class RedshiftConnectorUnitTest { | ||
| @Rule | ||
| public ExpectedException expectedEx = ExpectedException.none(); | ||
|
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| private static final RedshiftConnector CONNECTOR = new RedshiftConnector(null); | ||
|
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| /** | ||
| * Unit test for getTableName() | ||
| */ | ||
| @Test | ||
| public void getTableNameTest() { | ||
| Assert.assertEquals("\"schema\".\"table\"", | ||
| CONNECTOR.getTableName("db", "schema", "table")); | ||
| } | ||
|
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| /** | ||
| * Unit tests for getTableQuery() | ||
| */ | ||
| @Test | ||
| public void getTableQueryTest() { | ||
| String tableName = CONNECTOR.getTableName("db", "schema", "table"); | ||
|
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| // random query | ||
| Assert.assertEquals(String.format("SELECT * FROM %s\n" + | ||
| "TABLESAMPLE BERNOULLI (100.0 * %d / (SELECT COUNT(*) FROM %s))", | ||
| tableName, 100, tableName), | ||
| CONNECTOR.getRandomQuery(tableName, 100)); | ||
| } | ||
| } |
155 changes: 155 additions & 0 deletions
155
...edshift-plugin/src/test/java/io/cdap/plugin/amazon/redshift/RedshiftDBRecordUnitTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,155 @@ | ||
| /* | ||
| * Copyright © 2023 Cask Data, Inc. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
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| package io.cdap.plugin.amazon.redshift; | ||
|
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| import io.cdap.cdap.api.data.format.StructuredRecord; | ||
| import io.cdap.cdap.api.data.schema.Schema; | ||
| import io.cdap.plugin.util.DBUtils; | ||
| import org.junit.Assert; | ||
| import org.junit.Test; | ||
| import org.junit.runner.RunWith; | ||
| import org.mockito.Mockito; | ||
| import org.mockito.junit.MockitoJUnitRunner; | ||
|
|
||
| import java.math.BigDecimal; | ||
| import java.sql.ResultSet; | ||
| import java.sql.ResultSetMetaData; | ||
| import java.sql.SQLException; | ||
| import java.sql.Timestamp; | ||
| import java.sql.Types; | ||
| import java.time.OffsetDateTime; | ||
| import java.time.ZoneId; | ||
| import java.time.ZoneOffset; | ||
|
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| import static org.mockito.ArgumentMatchers.eq; | ||
| import static org.mockito.Mockito.when; | ||
|
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| /** | ||
| * Unit Test class for the PostgresDBRecord | ||
| */ | ||
| @RunWith(MockitoJUnitRunner.class) | ||
| public class RedshiftDBRecordUnitTest { | ||
|
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| private static final int DEFAULT_PRECISION = 38; | ||
|
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| /** | ||
| * Validate the precision less Numbers handling against following use cases. | ||
| * 1. Ensure that the numeric type with [p,s] set as [38,4] detect as BigDecimal(38,4) in cdap. | ||
| * 2. Ensure that the numeric type without [p,s] detect as String type in cdap. | ||
| * | ||
| * @throws Exception | ||
| */ | ||
| @Test | ||
| public void validatePrecisionLessDecimalParsing() throws Exception { | ||
| Schema.Field field1 = Schema.Field.of("ID1", Schema.decimalOf(DEFAULT_PRECISION, 4)); | ||
| Schema.Field field2 = Schema.Field.of("ID2", Schema.of(Schema.Type.STRING)); | ||
|
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| Schema schema = Schema.recordOf( | ||
| "dbRecord", | ||
| field1, | ||
| field2 | ||
| ); | ||
|
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| ResultSetMetaData resultSetMetaData = Mockito.mock(ResultSetMetaData.class); | ||
| Mockito.when(resultSetMetaData.getColumnType(Mockito.eq(1))).thenReturn(Types.NUMERIC); | ||
| Mockito.when(resultSetMetaData.getPrecision(Mockito.eq(1))).thenReturn(DEFAULT_PRECISION); | ||
| Mockito.when(resultSetMetaData.getColumnType(eq(2))).thenReturn(Types.NUMERIC); | ||
| when(resultSetMetaData.getPrecision(eq(2))).thenReturn(0); | ||
|
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| ResultSet resultSet = Mockito.mock(ResultSet.class); | ||
|
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| when(resultSet.getMetaData()).thenReturn(resultSetMetaData); | ||
| when(resultSet.getBigDecimal(eq(1))).thenReturn(BigDecimal.valueOf(123.4568)); | ||
| when(resultSet.getString(eq(2))).thenReturn("123.4568"); | ||
|
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| StructuredRecord.Builder builder = StructuredRecord.builder(schema); | ||
| RedshiftDBRecord dbRecord = new RedshiftDBRecord(); | ||
| dbRecord.handleField(resultSet, builder, field1, 1, Types.NUMERIC, DEFAULT_PRECISION, 4); | ||
| dbRecord.handleField(resultSet, builder, field2, 2, Types.NUMERIC, 0, -127); | ||
|
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| StructuredRecord record = builder.build(); | ||
| Assert.assertTrue(record.getDecimal("ID1") instanceof BigDecimal); | ||
| Assert.assertEquals(record.getDecimal("ID1"), BigDecimal.valueOf(123.4568)); | ||
| Assert.assertTrue(record.get("ID2") instanceof String); | ||
| Assert.assertEquals(record.get("ID2"), "123.4568"); | ||
| } | ||
|
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| @Test | ||
| public void validateTimestampType() throws SQLException { | ||
| OffsetDateTime offsetDateTime = OffsetDateTime.of(2023, 1, 1, 1, 0, 0, 0, ZoneOffset.UTC); | ||
| ResultSetMetaData metaData = Mockito.mock(ResultSetMetaData.class); | ||
| when(metaData.getColumnTypeName(eq(0))).thenReturn("timestamp"); | ||
|
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| ResultSet resultSet = Mockito.mock(ResultSet.class); | ||
| when(resultSet.getMetaData()).thenReturn(metaData); | ||
| when(resultSet.getTimestamp(eq(0), eq(DBUtils.PURE_GREGORIAN_CALENDAR))) | ||
| .thenReturn(Timestamp.from(offsetDateTime.toInstant())); | ||
|
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| Schema.Field field1 = Schema.Field.of("field1", Schema.of(Schema.LogicalType.DATETIME)); | ||
| Schema schema = Schema.recordOf( | ||
| "dbRecord", | ||
| field1 | ||
| ); | ||
| StructuredRecord.Builder builder = StructuredRecord.builder(schema); | ||
|
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| RedshiftDBRecord dbRecord = new RedshiftDBRecord(); | ||
| dbRecord.handleField(resultSet, builder, field1, 0, Types.TIMESTAMP, 0, 0); | ||
| StructuredRecord record = builder.build(); | ||
| Assert.assertNotNull(record); | ||
| Assert.assertNotNull(record.getDateTime("field1")); | ||
| Assert.assertEquals(record.getDateTime("field1").toInstant(ZoneOffset.UTC), offsetDateTime.toInstant()); | ||
|
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| // Validate backward compatibility | ||
|
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| field1 = Schema.Field.of("field1", Schema.of(Schema.LogicalType.TIMESTAMP_MICROS)); | ||
| schema = Schema.recordOf( | ||
| "dbRecord", | ||
| field1 | ||
| ); | ||
| builder = StructuredRecord.builder(schema); | ||
| dbRecord.handleField(resultSet, builder, field1, 0, Types.TIMESTAMP, 0, 0); | ||
| record = builder.build(); | ||
| Assert.assertNotNull(record); | ||
| Assert.assertNotNull(record.getTimestamp("field1")); | ||
| Assert.assertEquals(record.getTimestamp("field1").toInstant(), offsetDateTime.toInstant()); | ||
| } | ||
|
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| @Test | ||
| public void validateTimestampTZType() throws SQLException { | ||
| OffsetDateTime offsetDateTime = OffsetDateTime.of(2023, 1, 1, 1, 0, 0, 0, ZoneOffset.UTC); | ||
| ResultSetMetaData metaData = Mockito.mock(ResultSetMetaData.class); | ||
| when(metaData.getColumnTypeName(eq(0))).thenReturn("timestamptz"); | ||
|
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| ResultSet resultSet = Mockito.mock(ResultSet.class); | ||
| when(resultSet.getMetaData()).thenReturn(metaData); | ||
| when(resultSet.getObject(eq(0), eq(OffsetDateTime.class))).thenReturn(offsetDateTime); | ||
|
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| Schema.Field field1 = Schema.Field.of("field1", Schema.of(Schema.LogicalType.TIMESTAMP_MICROS)); | ||
| Schema schema = Schema.recordOf( | ||
| "dbRecord", | ||
| field1 | ||
| ); | ||
| StructuredRecord.Builder builder = StructuredRecord.builder(schema); | ||
|
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| RedshiftDBRecord dbRecord = new RedshiftDBRecord(); | ||
| dbRecord.handleField(resultSet, builder, field1, 0, Types.TIMESTAMP, 0, 0); | ||
| StructuredRecord record = builder.build(); | ||
| Assert.assertNotNull(record); | ||
| Assert.assertNotNull(record.getTimestamp("field1", ZoneId.of("UTC"))); | ||
| Assert.assertEquals(record.getTimestamp("field1", ZoneId.of("UTC")).toInstant(), offsetDateTime.toInstant()); | ||
| } | ||
| } |
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