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80 changes: 80 additions & 0 deletions
80
...fka/connector/internal/streaming/schemaevolution/iceberg/IcebergColumnTypeMapperTest.java
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| package com.snowflake.kafka.connector.internal.streaming.schemaevolution.iceberg; | ||
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| import static org.assertj.core.api.Assertions.assertThat; | ||
| import static org.assertj.core.api.Assertions.assertThatThrownBy; | ||
|
|
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| import java.util.stream.Stream; | ||
| import net.snowflake.client.jdbc.internal.fasterxml.jackson.databind.JsonNode; | ||
| import net.snowflake.client.jdbc.internal.fasterxml.jackson.databind.node.JsonNodeFactory; | ||
| import org.apache.kafka.connect.data.Date; | ||
| import org.apache.kafka.connect.data.Decimal; | ||
| import org.apache.kafka.connect.data.Schema; | ||
| import org.apache.kafka.connect.data.Time; | ||
| import org.apache.kafka.connect.data.Timestamp; | ||
| import org.junit.jupiter.params.ParameterizedTest; | ||
| import org.junit.jupiter.params.provider.Arguments; | ||
| import org.junit.jupiter.params.provider.MethodSource; | ||
|
|
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| class IcebergColumnTypeMapperTest { | ||
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| private final IcebergColumnTypeMapper mapper = new IcebergColumnTypeMapper(); | ||
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| @ParameterizedTest(name = "should map Kafka type {0} to Snowflake column type {2}") | ||
| @MethodSource("kafkaTypesToMap") | ||
| void shouldMapKafkaTypeToSnowflakeColumnType( | ||
| Schema.Type kafkaType, String schemaName, String expectedSnowflakeType) { | ||
| assertThat(mapper.mapToColumnType(kafkaType, schemaName)).isEqualTo(expectedSnowflakeType); | ||
| } | ||
|
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| @ParameterizedTest() | ||
| @MethodSource("jsonNodeTypesToMap") | ||
| void shouldMapJsonNodeTypeToKafkaType(JsonNode value, Schema.Type expectedKafkaType) { | ||
| assertThat(mapper.mapJsonNodeTypeToKafkaType(value)).isEqualTo(expectedKafkaType); | ||
| } | ||
|
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| @ParameterizedTest() | ||
| @MethodSource("kafkaTypesToThrowException") | ||
| void shouldThrowExceptionWhenMappingUnsupportedKafkaType(Schema.Type kafkaType) { | ||
| assertThatThrownBy(() -> mapper.mapToColumnType(kafkaType, null)) | ||
| .isInstanceOf(IllegalArgumentException.class); | ||
| } | ||
|
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| private static Stream<Arguments> kafkaTypesToMap() { | ||
| return Stream.of( | ||
| Arguments.of(Schema.Type.INT8, null, "INT"), | ||
| Arguments.of(Schema.Type.INT16, null, "INT"), | ||
| Arguments.of(Schema.Type.INT32, Date.LOGICAL_NAME, "DATE"), | ||
| Arguments.of(Schema.Type.INT32, Time.LOGICAL_NAME, "TIME(6)"), | ||
| Arguments.of(Schema.Type.INT32, null, "INT"), | ||
| Arguments.of(Schema.Type.INT64, Timestamp.LOGICAL_NAME, "TIMESTAMP(6)"), | ||
| Arguments.of(Schema.Type.INT64, null, "LONG"), | ||
| Arguments.of(Schema.Type.FLOAT32, null, "FLOAT"), | ||
| Arguments.of(Schema.Type.FLOAT64, null, "DOUBLE"), | ||
| Arguments.of(Schema.Type.BOOLEAN, null, "BOOLEAN"), | ||
| Arguments.of(Schema.Type.STRING, null, "VARCHAR"), | ||
| Arguments.of(Schema.Type.BYTES, Decimal.LOGICAL_NAME, "VARCHAR"), | ||
| Arguments.of(Schema.Type.BYTES, null, "BINARY")); | ||
| } | ||
|
|
||
| private static Stream<Arguments> kafkaTypesToThrowException() { | ||
| return Stream.of( | ||
| Arguments.of(Schema.Type.ARRAY), | ||
| Arguments.of(Schema.Type.MAP), | ||
| Arguments.of(Schema.Type.STRUCT)); | ||
| } | ||
|
|
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| private static Stream<Arguments> jsonNodeTypesToMap() { | ||
| return Stream.of( | ||
| Arguments.of(JsonNodeFactory.instance.nullNode(), Schema.Type.STRING), | ||
| Arguments.of(JsonNodeFactory.instance.numberNode((short) 1), Schema.Type.INT64), | ||
| Arguments.of(JsonNodeFactory.instance.numberNode(1), Schema.Type.INT64), | ||
| Arguments.of(JsonNodeFactory.instance.numberNode(1L), Schema.Type.INT64), | ||
| Arguments.of(JsonNodeFactory.instance.numberNode(1.0), Schema.Type.FLOAT64), | ||
| Arguments.of(JsonNodeFactory.instance.numberNode(1.0f), Schema.Type.FLOAT32), | ||
| Arguments.of(JsonNodeFactory.instance.booleanNode(true), Schema.Type.BOOLEAN), | ||
| Arguments.of(JsonNodeFactory.instance.textNode("text"), Schema.Type.STRING), | ||
| Arguments.of(JsonNodeFactory.instance.binaryNode(new byte[] {1, 2, 3}), Schema.Type.BYTES), | ||
| Arguments.of(JsonNodeFactory.instance.arrayNode(), Schema.Type.ARRAY), | ||
| Arguments.of(JsonNodeFactory.instance.objectNode(), Schema.Type.STRUCT)); | ||
| } | ||
| } |