JsonTokenEventHandlerAdaptorTest.java

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package org.apache.hc.core5.jackson2;

import java.io.IOException;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonTokenId;

import org.assertj.core.api.Assertions;
import org.junit.jupiter.api.Test;
import org.mockito.Mockito;

public class JsonTokenEventHandlerAdaptorTest {

    @Test
    void testIntTokenWithBigIntegerConvertibleToLongUsesLongCallback() throws Exception {
        final JsonTokenEventHandler eventHandler = Mockito.mock(JsonTokenEventHandler.class);
        final JsonParser jsonParser = Mockito.mock(JsonParser.class);
        Mockito.when(jsonParser.getNumberType()).thenReturn(JsonParser.NumberType.BIG_INTEGER);
        Mockito.when(jsonParser.getLongValue()).thenReturn(2147483648L);

        final JsonTokenEventHandlerAdaptor adaptor = new JsonTokenEventHandlerAdaptor(eventHandler);
        adaptor.accept(JsonTokenId.ID_NUMBER_INT, jsonParser);

        Mockito.verify(eventHandler).value(2147483648L);
        Mockito.verify(eventHandler, Mockito.never()).value(Mockito.anyInt());
        Mockito.verifyNoMoreInteractions(eventHandler);
    }

    @Test
    void testIntTokenWithBigIntegerOutOfLongRangeThrowsIOException() throws Exception {
        final JsonTokenEventHandler eventHandler = Mockito.mock(JsonTokenEventHandler.class);
        final JsonParser jsonParser = Mockito.mock(JsonParser.class);
        Mockito.when(jsonParser.getNumberType()).thenReturn(JsonParser.NumberType.BIG_INTEGER);
        Mockito.when(jsonParser.getText()).thenReturn("9223372036854775808");
        Mockito.when(jsonParser.getLongValue()).thenThrow(new IOException("Numeric value out of range"));

        final JsonTokenEventHandlerAdaptor adaptor = new JsonTokenEventHandlerAdaptor(eventHandler);
        Assertions.assertThatIOException().isThrownBy(
                        () -> adaptor.accept(JsonTokenId.ID_NUMBER_INT, jsonParser))
                .withMessageContaining("out of range for 64-bit signed long");

        Mockito.verifyNoInteractions(eventHandler);
    }

}