server/protocols/jmap-draft/src/test/java/org/apache/james/jmap/draft/methods/ErrorResponseTest.java

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package org.apache.james.jmap.draft.methods;

import static org.assertj.core.api.Assertions.assertThat;

import java.util.Optional;

import org.apache.james.jmap.methods.ErrorResponse;
import org.junit.Test;

public class ErrorResponseTest {

    @Test
    public void buildShouldReturnDefaultErrorWhenNoParameter() {
        ErrorResponse expected = new ErrorResponse(ErrorResponse.DEFAULT_ERROR_MESSAGE, Optional.empty());
        
        ErrorResponse actual = ErrorResponse
                .builder()
                .build();
        
        assertThat(actual).isEqualToComparingFieldByField(expected);
    }

    @Test
    public void buildShouldReturnDefaultErrorWhenNullParameter() {
        ErrorResponse expected = new ErrorResponse(ErrorResponse.DEFAULT_ERROR_MESSAGE, Optional.empty());
        
        ErrorResponse actual = ErrorResponse
                .builder()
                .type(null)
                .build();
        
        assertThat(actual).isEqualToComparingFieldByField(expected);
    }

    @Test
    public void buildShouldReturnDefinedErrorWhenTypeParameter() {
        ErrorResponse expected = new ErrorResponse("my error", Optional.empty());
        
        ErrorResponse actual = ErrorResponse
                .builder()
                .type("my error")
                .build();
        
        assertThat(actual).isEqualToComparingFieldByField(expected);
    }

    @Test
    public void buildShouldReturnDefinedErrorWhenTypeParameterAndNullDescription() {
        ErrorResponse expected = new ErrorResponse("my error", Optional.empty());
        
        ErrorResponse actual = ErrorResponse
                .builder()
                .type("my error")
                .description(null)
                .build();
        
        assertThat(actual).isEqualToComparingFieldByField(expected);
    }

    @Test
    public void buildShouldReturnDefinedErrorWithDescriptionWhenTypeAndDescriptionParameters() {
        ErrorResponse expected = new ErrorResponse("my error", Optional.of("custom description"));
        
        ErrorResponse actual = ErrorResponse
                .builder()
                .type("my error")
                .description("custom description")
                .build();
        
        assertThat(actual).isEqualToComparingFieldByField(expected);
    }
}