Add Student repository integration test

Author: OctaviPascual

src/mooc/test/tv/codely/mooc/students/StudentsModuleInfrastructureTestCase.java

@@ -0,0 +1,10 @@
+package tv.codely.mooc.students;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import tv.codely.mooc.MoocContextInfrastructureTestCase;
+import tv.codely.mooc.students.domain.StudentRepository;
+
+public abstract class StudentsModuleInfrastructureTestCase extends MoocContextInfrastructureTestCase {
+    @Autowired
+    protected StudentRepository mySqlStudentRepository;
+}

src/mooc/test/tv/codely/mooc/students/infrastructure/persistence/MySqlStudentRepositoryShould.java

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+package tv.codely.mooc.students.infrastructure.persistence;
+
+import org.junit.jupiter.api.Test;
+import tv.codely.mooc.students.StudentsModuleInfrastructureTestCase;
+import tv.codely.mooc.students.domain.Student;
+import tv.codely.mooc.students.domain.StudentMother;
+
+import javax.transaction.Transactional;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+@Transactional
+class MySqlStudentRepositoryShould extends StudentsModuleInfrastructureTestCase {
+    @Test
+    void register_a_student() {
+        Student student = StudentMother.random();
+
+        mySqlStudentRepository.register(student);
+    }
+
+    @Test
+    void return_all_existing_students() {
+        Student student1 = StudentMother.random();
+        Student student2 = StudentMother.random();
+
+        mySqlStudentRepository.register(student1);
+        mySqlStudentRepository.register(student2);
+
+        List<Student> students = mySqlStudentRepository.searchAll();
+        assertEquals(2, students.size());
+        assertEquals(student1, students.get(0));
+        assertEquals(student2, students.get(1));
+    }
+
+    @Test
+    void not_return_non_existing_students() {
+        assertTrue(mySqlStudentRepository.searchAll().isEmpty());
+    }
+}