Java tutorial
/* * This file is part of MystudiesMyteaching application. * * MystudiesMyteaching application is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * MystudiesMyteaching application is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with MystudiesMyteaching application. If not, see <http://www.gnu.org/licenses/>. */ package fi.helsinki.opintoni.service; import fi.helsinki.opintoni.SpringTest; import fi.helsinki.opintoni.dto.CourseDto; import fi.helsinki.opintoni.web.TestConstants; import org.hamcrest.Description; import org.hamcrest.Matcher; import org.hamcrest.TypeSafeMatcher; import org.junit.Test; import org.springframework.beans.factory.annotation.Autowired; import java.util.Locale; import java.util.Optional; import java.util.Set; import static org.assertj.core.api.Assertions.assertThat; import static org.junit.Assert.assertThat; public class CourseServiceTest extends SpringTest { @Autowired private CourseService courseService; @Test public void thatStudentCourseDtosAreFetched() { expectStudentCourses(); Set<CourseDto> courseDtos = courseService.getCourses(Optional.of(TestConstants.STUDENT_NUMBER), Optional.empty(), Locale.ENGLISH); assertThat(courseDtos).hasSize(1); assertThat(courseDtos, hasCourseWithRealisationId(TestConstants.STUDENT_COURSE_REALISATION_ID)); assertThat(courseDtos.iterator().next().teachers.get(0)).isEqualTo("Rantala Kari A"); } @Test public void thatTeacherCourseDtosAreFetched() { expectTeacherCourses(); Set<CourseDto> courseDtos = courseService.getCourses(Optional.empty(), Optional.of(TestConstants.TEACHER_NUMBER), Locale.ENGLISH); assertThat(courseDtos).hasSize(2); assertThat(courseDtos, hasCourseWithRealisationId(TestConstants.TEACHER_COURSE_REALISATION_ID)); assertThat(courseDtos, hasCourseWithRealisationId(TestConstants.EXAM_TEACHER_COURSE_REALISATION_ID)); } @Test public void thatStudentAndTeacherCourseDtosAreFetched() { expectTeacherCourses(); expectStudentCourses(); Set<CourseDto> courseDtos = courseService.getCourses(Optional.of(TestConstants.STUDENT_NUMBER), Optional.of(TestConstants.TEACHER_NUMBER), Locale.ENGLISH); assertThat(courseDtos).hasSize(3); assertThat(courseDtos, hasCourseWithRealisationId(TestConstants.STUDENT_COURSE_REALISATION_ID)); assertThat(courseDtos, hasCourseWithRealisationId(TestConstants.TEACHER_COURSE_REALISATION_ID)); assertThat(courseDtos, hasCourseWithRealisationId(TestConstants.EXAM_TEACHER_COURSE_REALISATION_ID)); } private Matcher<Set<CourseDto>> hasCourseWithRealisationId(String realisationId) { return new CourseDtoRealisationIdMatcher(realisationId); } class CourseDtoRealisationIdMatcher extends TypeSafeMatcher<Set<CourseDto>> { private final String realisationId; CourseDtoRealisationIdMatcher(String realisationId) { this.realisationId = realisationId; } @Override protected boolean matchesSafely(Set<CourseDto> courseDtos) { return courseDtos.stream().filter(courseDto -> courseDto.realisationId.equals(realisationId)) .count() > 0; } @Override public void describeTo(Description description) { description .appendText(String.format("Set did not contain course with realisationId %s", realisationId)); } } private void expectStudentCourses() { defaultStudentRequestChain().enrollments().defaultCourseUnitRealisation().defaultImplementation(); } private void expectTeacherCourses() { defaultTeacherRequestChain().defaultCoursesWithImplementationsAndRealisations(); } }