#1030: tests for delete() and deleteAll()

backend/src/test/java/ch/puzzle/okr/service/persistence/UserTeamPersistenceServiceIT.java

@@ -0,0 +1,98 @@
+package ch.puzzle.okr.service.persistence;
+
+import ch.puzzle.okr.multitenancy.TenantContext;
+import ch.puzzle.okr.test.SpringIntegrationTest;
+import ch.puzzle.okr.test.TestHelper;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+
+// uses test date from V100_0_0__TestData.sql
+@SpringIntegrationTest
+public class UserTeamPersistenceServiceIT {
+    private static final Long ID_OF_USER_ALICE = 11L; // user Alice is only in team Lorem
+    private static final Long ID_OF_TEAM_LOREM = 6L; // team Lorem has 3 users
+
+    private static final Long ID_OF_USER_BOB = 21L; // user Bob is only in team Cube
+    private static final Long ID_OF_TEAM_CUBE = 8L; // team Cube has 2 users
+
+    @Autowired
+    private UserTeamPersistenceService userTeamPersistenceService;
+
+    @Autowired
+    private UserPersistenceService userPersistenceService;
+
+    @Autowired
+    private TeamPersistenceService teamPersistenceService;
+
+    static {
+        TenantContext.setCurrentTenant(TestHelper.SCHEMA_PITC);
+    }
+
+    @DisplayName("delete() should remove single user from team")
+    @Test
+    @Transactional
+    void deleteShouldRemoveSingleUserFromTeam() {
+        // arrange
+        var user = userPersistenceService.findById(ID_OF_USER_ALICE);
+        var team = teamPersistenceService.findById(ID_OF_TEAM_LOREM);
+
+        // preconditions: user Alice is in team Lorem and team Lorem has 3 users
+        assertUserIsInTeam(ID_OF_USER_ALICE, ID_OF_TEAM_LOREM, 3);
+
+        // arrange
+        var userTeamToRemove = user.getUserTeamList().get(0); // Alice is only in Team Lorem
+
+        // act
+        user.getUserTeamList().remove(userTeamToRemove);
+        team.getUserTeamList().remove(userTeamToRemove);
+        userTeamPersistenceService.delete(userTeamToRemove);
+
+        // assert: user Alice is no longer in team Lorem and team Lorem has 2 users
+        assertUserIsRemovedFromTeam(ID_OF_USER_ALICE, ID_OF_TEAM_LOREM, 2);
+    }
+
+    @DisplayName("deleteAll() should remove list of users from team")
+    @Test
+    @Transactional
+    void deleteAllShouldRemoveListOfUsersFromTeam() {
+        // arrange
+        var user = userPersistenceService.findById(ID_OF_USER_BOB);
+        var team = teamPersistenceService.findById(ID_OF_TEAM_CUBE);
+
+        // preconditions: user Bob is in a team Cube and team Cube has 2 users
+        assertUserIsInTeam(ID_OF_USER_BOB, ID_OF_TEAM_CUBE, 2);
+
+        // arrange
+        var userTeamToRemove = user.getUserTeamList().get(0); // Bos is only in Team Cube
+
+        // act
+        user.getUserTeamList().remove(userTeamToRemove);
+        team.getUserTeamList().remove(userTeamToRemove);
+        userTeamPersistenceService.deleteAll(List.of(userTeamToRemove));
+
+        // assert: user Bob is no longer in team Cube and team Cube has 1 user
+        assertUserIsRemovedFromTeam(ID_OF_USER_BOB, ID_OF_TEAM_CUBE, 1);
+    }
+
+    private void assertUserIsInTeam(Long userId, Long teamId, int expectedUsersInTeam) {
+        var user = userPersistenceService.findById(userId);
+        Assertions.assertEquals(1, user.getUserTeamList().size());
+
+        var team = this.teamPersistenceService.findById(teamId);
+        Assertions.assertEquals(expectedUsersInTeam, team.getUserTeamList().size());
+    }
+
+    private void assertUserIsRemovedFromTeam(Long userId, Long teamId, int expectedUsersInTeam) {
+        var reloadedUser = userPersistenceService.findById(userId);
+        Assertions.assertEquals(0, reloadedUser.getUserTeamList().size());
+
+        var reloadedTeam = this.teamPersistenceService.findById(teamId);
+        Assertions.assertEquals(expectedUsersInTeam, reloadedTeam.getUserTeamList().size());
+    }
+
+}