add tests for project

src/main/java/Model/Project.java

@@ -11,6 +11,12 @@ public class Project {
         name = _name;
     }
 
+    public Project(int _id, String _name, Team _team) {
+        id = _id;
+        name = _name;
+        team = _team;
+    }
+
     public Project(){}
 
     public int getId() {
@@ -36,4 +42,10 @@ public class Project {
     public void setTeam(Team team) {
         this.team = team;
     }
+
+    public boolean validate() throws Exception {
+        if (this.getName() == null || this.getName().equals("")) throw new Exception("Name must be defined for new project");
+        if (this.getTeam() == null || this.getTeam().getId() == 0) throw new Exception("Team must be defined for new project");
+        return true;
+    }
 }

src/test/java/Model/ProjectTest.java

+package Model;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.Date;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class ProjectTest {
+    private Team team = new Team(1, "Markman and the boys");
+    private Project fullProject = new Project(1, "SuperBugTracker", team);
+    private Project noTeamProject = new Project(1, "SuperBugTracker", null);
+    private Project noNameProject = new Project(1, null, team);
+
+    @Test
+    public void validateWorkingProject() {
+        try {
+            assertTrue (fullProject.validate());
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Test
+    public void validateProjectWithMissingTeam() {
+        Exception exception = assertThrows(Exception.class,  () -> {
+            noTeamProject.validate();
+        });
+
+        String expectedMessage = "Team must be defined for new project";
+        String actualMessage = exception.getMessage();
+
+        assertTrue(actualMessage.contains(expectedMessage));
+    }
+
+    @Test
+    public void validateProjectWithMissingName() {
+        Exception exception = assertThrows(Exception.class,  () -> {
+            noNameProject.validate();
+        });
+
+        String expectedMessage = "Name must be defined for new project";
+        String actualMessage = exception.getMessage();
+
+        assertTrue(actualMessage.contains(expectedMessage));
+    }
+}