#41 - Add R2DBC converters.

Original pull request: #65.
2019-02-21 18:32:34 +01:00
parent feabe477a7
commit 455e9a59de
2 changed files with 345 additions and 0 deletions
--- a/src/test/java/org/springframework/data/r2dbc/repository/query/RowDataConverterTests.java
+++ b/src/test/java/org/springframework/data/r2dbc/repository/query/RowDataConverterTests.java
@@ -0,0 +1,125 @@
+package org.springframework.data.r2dbc.repository.query;
+
+import io.r2dbc.spi.Row;
+import org.junit.Test;
+import org.springframework.core.convert.converter.Converter;
+import org.springframework.data.r2dbc.repository.query.RowDataConverter.RowToBooleanConverter;
+import org.springframework.data.r2dbc.repository.query.RowDataConverter.RowToLocalDateConverter;
+import org.springframework.data.r2dbc.repository.query.RowDataConverter.RowToLocalDateTimeConverter;
+import org.springframework.data.r2dbc.repository.query.RowDataConverter.RowToLocalTimeConverter;
+import org.springframework.data.r2dbc.repository.query.RowDataConverter.RowToNumberConverterFactory;
+import org.springframework.data.r2dbc.repository.query.RowDataConverter.RowToNumberConverterFactory.RowToOffsetDateTimeConverter;
+import org.springframework.data.r2dbc.repository.query.RowDataConverter.RowToNumberConverterFactory.RowToStringConverter;
+import org.springframework.data.r2dbc.repository.query.RowDataConverter.RowToNumberConverterFactory.RowToUuidConverter;
+import org.springframework.data.r2dbc.repository.query.RowDataConverter.RowToNumberConverterFactory.RowToZonedDateTimeConverter;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.OffsetDateTime;
+import java.time.ZonedDateTime;
+import java.util.UUID;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+public class RowDataConverterTests {
+    private static final int TOTAL_REGISTERED_CONVERTERS = 8;
+
+    @Test
+    public void isReturningAllCreatedConverts() {
+        assertThat(RowDataConverter.getConvertersToRegister().size())
+            .isEqualTo(TOTAL_REGISTERED_CONVERTERS);
+    }
+
+    @Test
+    public void isConvertingBoolean() {
+        Row row = mock(Row.class);
+        when(row.get(0, Boolean.class)).thenReturn(true);
+
+        assertTrue(RowToBooleanConverter.INSTANCE.convert(row));
+    }
+
+    @Test
+    public void isConvertingLocalDate() {
+        LocalDate now = LocalDate.now();
+        Row row = mock(Row.class);
+        when(row.get(0, LocalDate.class)).thenReturn(now);
+
+        assertThat(RowToLocalDateConverter.INSTANCE.convert(row)).isEqualTo(now);
+    }
+
+    @Test
+    public void isConvertingLocalDateTime() {
+        LocalDateTime now = LocalDateTime.now();
+        Row row = mock(Row.class);
+        when(row.get(0, LocalDateTime.class)).thenReturn(now);
+
+        assertThat(RowToLocalDateTimeConverter.INSTANCE.convert(row)).isEqualTo(now);
+    }
+
+    @Test
+    public void isConvertingLocalTime() {
+        LocalTime now = LocalTime.now();
+        Row row = mock(Row.class);
+        when(row.get(0, LocalTime.class)).thenReturn(now);
+
+        assertThat(RowToLocalTimeConverter.INSTANCE.convert(row)).isEqualTo(now);
+    }
+
+    @Test
+    public void isConvertingOffsetDateTime() {
+        OffsetDateTime now = OffsetDateTime.now();
+        Row row = mock(Row.class);
+        when(row.get(0, OffsetDateTime.class)).thenReturn(now);
+
+        assertThat(RowToOffsetDateTimeConverter.INSTANCE.convert(row)).isEqualTo(now);
+    }
+
+    @Test
+    public void isConvertingString() {
+        String value = "aValue";
+        Row row = mock(Row.class);
+        when(row.get(0, String.class)).thenReturn(value);
+
+        assertThat(RowToStringConverter.INSTANCE.convert(row)).isEqualTo(value);
+    }
+
+    @Test
+    public void isConvertingUUID() {
+        UUID value = UUID.randomUUID();
+        Row row = mock(Row.class);
+        when(row.get(0, UUID.class)).thenReturn(value);
+
+        assertThat(RowToUuidConverter.INSTANCE.convert(row)).isEqualTo(value);
+    }
+
+    @Test
+    public void isConvertingZonedDateTime() {
+        ZonedDateTime now = ZonedDateTime.now();
+        Row row = mock(Row.class);
+        when(row.get(0, ZonedDateTime.class)).thenReturn(now);
+
+        assertThat(RowToZonedDateTimeConverter.INSTANCE.convert(row)).isEqualTo(now);
+    }
+
+    @Test
+    public void isConvertingNumber() {
+        Row row = mock(Row.class);
+        when(row.get(0, Integer.class)).thenReturn(33);
+
+        final Converter<Row, Integer> converter = RowToNumberConverterFactory.INSTANCE.getConverter(Integer.class);
+
+        assertThat(converter.convert(row)).isEqualTo(33);
+    }
+
+    @Test
+    public void isRaisingExceptionForInvalidNumber() {
+        assertThatIllegalArgumentException().isThrownBy(
+            () -> RowToNumberConverterFactory.INSTANCE.getConverter(null)
+        );
+    }
+}