DocumentCodeProcessorTest.java

package io.konik.csv.processor;

import io.konik.zugferd.unece.codes.DocumentCode;
import org.junit.Test;

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

public class DocumentCodeProcessorTest {

	@Test
	public void shouldConvertAllStringValuesToDocumentCode() {
		//given:
		DocumentCodeProcessor processor = new DocumentCodeProcessor();
		//when:
		DocumentCode[] codes = DocumentCode.values();
		//then:
		for (DocumentCode documentCode : codes) {
			assertThat(documentCode).isEqualTo(processor.execute(documentCode.getCode(), null));
		}
	}

	@Test
	public void shouldConvertAllDocumentCodesToStringRepresentations() {
		//given:
		DocumentCodeProcessor processor = new DocumentCodeProcessor();
		//when:
		DocumentCode[] codes = DocumentCode.values();
		//then:
		for (DocumentCode documentCode : codes) {
			assertThat(documentCode.getCode()).isEqualTo(processor.execute(documentCode, null));
		}
	}

	@Test
	public void shouldReturnNullIfDocumentCodeForGivenStringDoesNotExist() {
		//given:
		DocumentCodeProcessor processor = new DocumentCodeProcessor();
		String nonExistingCode = "999";
		//when:
		DocumentCode documentCode = (DocumentCode) processor.execute(nonExistingCode, null);
		//then:
		assertThat(documentCode).isNull();
	}
}