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Add offsetTime Scalar to Typefunction (#84)
Add offsetTime Scalar to Typefunction
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78 changes: 78 additions & 0 deletions
78
...c/main/java/org/hypertrace/core/graphql/common/schema/typefunctions/OffsetTimeScalar.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| package org.hypertrace.core.graphql.common.schema.typefunctions; | ||
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| import graphql.GraphqlErrorException; | ||
| import graphql.annotations.processor.ProcessingElementsContainer; | ||
| import graphql.annotations.processor.typeFunctions.TypeFunction; | ||
| import graphql.language.StringValue; | ||
| import graphql.schema.Coercing; | ||
| import graphql.schema.CoercingParseLiteralException; | ||
| import graphql.schema.CoercingParseValueException; | ||
| import graphql.schema.CoercingSerializeException; | ||
| import graphql.schema.GraphQLScalarType; | ||
| import java.lang.reflect.AnnotatedType; | ||
| import java.time.DateTimeException; | ||
| import java.time.OffsetTime; | ||
| import java.time.temporal.TemporalAccessor; | ||
| import java.util.function.Function; | ||
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| public class OffsetTimeScalar implements TypeFunction { | ||
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| private static final GraphQLScalarType OFFSET_TIME_SCALAR = | ||
| GraphQLScalarType.newScalar() | ||
| .name("OffsetTime") | ||
| .description("An ISO-8601 formatted OffsetTime Scalar") | ||
| .coercing( | ||
| new Coercing<OffsetTime, String>() { | ||
| @Override | ||
| public String serialize(Object fetcherResult) throws CoercingSerializeException { | ||
| return toOffsetTime(fetcherResult, CoercingSerializeException::new).toString(); | ||
| } | ||
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| @Override | ||
| public OffsetTime parseValue(Object input) throws CoercingParseValueException { | ||
| return toOffsetTime(input, CoercingParseValueException::new); | ||
| } | ||
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| @Override | ||
| public OffsetTime parseLiteral(Object input) throws CoercingParseLiteralException { | ||
| return toOffsetTime(input, CoercingParseLiteralException::new); | ||
| } | ||
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| private <E extends GraphqlErrorException> OffsetTime toOffsetTime( | ||
| Object offsetInput, Function<Exception, E> errorWrapper) throws E { | ||
| try { | ||
| if (offsetInput instanceof TemporalAccessor) { | ||
| return OffsetTime.from((TemporalAccessor) offsetInput); | ||
| } | ||
| if (offsetInput instanceof CharSequence) { | ||
| return OffsetTime.parse((CharSequence) offsetInput); | ||
| } | ||
| if (offsetInput instanceof StringValue) { | ||
| return OffsetTime.parse(((StringValue) offsetInput).getValue()); | ||
| } | ||
| } catch (DateTimeException exception) { | ||
| throw errorWrapper.apply(exception); | ||
| } | ||
| throw errorWrapper.apply( | ||
| new DateTimeException( | ||
| String.format( | ||
| "Cannot convert provided format '%s' to OffsetTime", | ||
| offsetInput.getClass().getCanonicalName()))); | ||
| } | ||
| }) | ||
| .build(); | ||
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| @Override | ||
| public boolean canBuildType(Class<?> aClass, AnnotatedType annotatedType) { | ||
| return OffsetTime.class.isAssignableFrom(aClass); | ||
| } | ||
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| @Override | ||
| public GraphQLScalarType buildType( | ||
| boolean input, | ||
| Class<?> aClass, | ||
| AnnotatedType annotatedType, | ||
| ProcessingElementsContainer container) { | ||
| return OFFSET_TIME_SCALAR; | ||
| } | ||
| } |
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72 changes: 72 additions & 0 deletions
72
...src/test/java/org/hypertrace/core/graphql/common/schema/scalars/OffsetTimeScalarTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| package org.hypertrace.core.graphql.common.schema.scalars; | ||
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| import static org.junit.jupiter.api.Assertions.assertEquals; | ||
| import static org.junit.jupiter.api.Assertions.assertTrue; | ||
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| import graphql.annotations.processor.ProcessingElementsContainer; | ||
| import graphql.language.StringValue; | ||
| import graphql.schema.GraphQLScalarType; | ||
| import java.lang.reflect.AnnotatedType; | ||
| import java.time.OffsetTime; | ||
| import java.time.ZoneOffset; | ||
| import org.hypertrace.core.graphql.common.schema.typefunctions.OffsetTimeScalar; | ||
| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.api.extension.ExtendWith; | ||
| import org.mockito.Mock; | ||
| import org.mockito.junit.jupiter.MockitoExtension; | ||
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| @ExtendWith(MockitoExtension.class) | ||
| class OffsetTimeScalarTest { | ||
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| private static final String TEST_SCALAR_TIME_STRING = "21:30:12.748+12:30"; | ||
| private static final OffsetTime TEST_OFFSET_TIME = OffsetTime.parse(TEST_SCALAR_TIME_STRING); | ||
| private OffsetTimeScalar offsetTimeFunction; | ||
| private GraphQLScalarType offsetTimeType; | ||
| @Mock AnnotatedType mockAnnotatedType; | ||
| // Can't actually mock class, but it's not used so to convey intent using the Mock class. | ||
| private final Class<?> mockAnnotatedClass = Mock.class; | ||
| @Mock ProcessingElementsContainer mockProcessingElementsContainer; | ||
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| @BeforeEach | ||
| void beforeEach() { | ||
| this.offsetTimeFunction = new OffsetTimeScalar(); | ||
| // Can't actually mock class, but it's not used so to convey intent using | ||
| this.offsetTimeType = | ||
| this.offsetTimeFunction.buildType( | ||
| false, mockAnnotatedClass, mockAnnotatedType, mockProcessingElementsContainer); | ||
| } | ||
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| @Test | ||
| void canDetermineIfConvertible() { | ||
| assertTrue(this.offsetTimeFunction.canBuildType(OffsetTime.class, this.mockAnnotatedType)); | ||
| } | ||
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| @Test | ||
| void canConvertFromLiteral() { | ||
| assertEquals( | ||
| TEST_OFFSET_TIME, offsetTimeType.getCoercing().parseLiteral(TEST_SCALAR_TIME_STRING)); | ||
| } | ||
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| @Test | ||
| void canSerialize() { | ||
| assertEquals(TEST_SCALAR_TIME_STRING, offsetTimeType.getCoercing().serialize(TEST_OFFSET_TIME)); | ||
| assertEquals( | ||
| TEST_SCALAR_TIME_STRING, offsetTimeType.getCoercing().serialize(TEST_SCALAR_TIME_STRING)); | ||
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| assertEquals( | ||
| TEST_SCALAR_TIME_STRING, | ||
| offsetTimeType | ||
| .getCoercing() | ||
| .serialize(TEST_OFFSET_TIME.withOffsetSameLocal(ZoneOffset.ofHoursMinutes(12, 30)))); | ||
| } | ||
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| @Test | ||
| void canConvertFromValue() { | ||
| assertEquals( | ||
| TEST_OFFSET_TIME, | ||
| offsetTimeType | ||
| .getCoercing() | ||
| .parseValue(StringValue.newStringValue().value(TEST_SCALAR_TIME_STRING).build())); | ||
| } | ||
| } |