GroupMapperTest.java

package de.ozgcloud.admin.keycloak;

import static org.assertj.core.api.Assertions.*;
import static org.mockito.Mockito.*;

import java.util.List;
import java.util.Map;
import java.util.UUID;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import org.keycloak.representations.idm.GroupRepresentation;
import org.mapstruct.factory.Mappers;
import org.mockito.Spy;

class GroupMapperTest {

	@Spy
	private final GroupMapper mapper = Mappers.getMapper(GroupMapper.class);

	@Nested
	class TestGetOrganisationsEinheitId {

		@Test
		void shouldReturnNullIfAttributesAreNull() {
			var result = mapper.getOrganisationsEinheitId(null);

			assertThat(result).isNull();
		}

		@Test
		void shouldReturnNullIfAttributeIsAbsent() {
			var result = mapper.getOrganisationsEinheitId(Map.of("dummy-attribute", List.of("123")));

			assertThat(result).isNull();
		}

		@Test
		void shouldReturnOrganisationsEinheitId() {
			var value = GroupRepresentationTestFactory.ORGANISATIONS_EINHEIT_ID;
			var result = mapper.getOrganisationsEinheitId(Map.of(GroupMapper.ORGANIZATIONS_EINHEIT_ID_ATTRIBUTE, List.of(value)));

			assertThat(result).isEqualTo(value);
		}

		@Test
		void shouldReturnFirstValueIfMultipleAreAvailable() {
			var value = GroupRepresentationTestFactory.ORGANISATIONS_EINHEIT_ID;
			var value2 = UUID.randomUUID().toString();

			var result = mapper.getOrganisationsEinheitId(Map.of(GroupMapper.ORGANIZATIONS_EINHEIT_ID_ATTRIBUTE, List.of(value, value2)));

			assertThat(result).isEqualTo(value);
		}
	}

	@Nested
	class TestFromGroupRepresentation {

		private final GroupRepresentation groupRepresentation = GroupRepresentationTestFactory.create();

		@BeforeEach
		void init() {
			doReturn(GroupRepresentationTestFactory.ORGANISATIONS_EINHEIT_ID).when(mapper).getOrganisationsEinheitId(groupRepresentation.getAttributes());
		}

		@Test
		void shouldGetOrganisationsEinheitId() {
			callMapper();