Add test for association between task and context - fix #9

gtd-server-main/src/test/java/fr/alma/gtd/server/main/donnees/ContextTest.java

+package fr.alma.gtd.server.main.donnees;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class ContextTest {
+    private Context context;
+
+    @BeforeEach
+    public void setup() {
+        this.context = new Context();
+    }
+
+    @Test
+    public void testTaskAssociation(){
+        Task t1 = new Task();
+        Task t2 = new Task();
+
+        this.context.getTaskReference().add(t1);
+
+        assertTrue(this.context.getTaskReference().contains(t1));
+        assertEquals(this.context,t1.getContext());
+
+        this.context.getTaskReference().remove(t1);
+
+        assertFalse(this.context.getTaskReference().contains(t1));
+        assertFalse(t1.getContextReference().isSet());
+
+        this.context.getTaskReference().add(t2);
+
+        assertTrue(this.context.getTaskReference().contains(t2));
+        assertTrue(t2.getContextReference().isSet());
+    }
+}

gtd-server-main/src/test/java/fr/alma/gtd/server/main/donnees/TaskTest.java

@@ -34,4 +34,28 @@ class TaskTest {
         assertFalse(this.task.getTagsList().contains(t3));
 
     }
+
+    @Test
+    public void testContextAssociation() {
+        Context c1 = new Context();
+        Context c2 = new Context();
+
+        this.task.setContext(c1);
+
+        assertEquals(c1,this.task.getContext());
+        assertTrue(c1.getTaskReference().contains(this.task));
+
+        this.task.setContext(c2);
+
+        assertNotEquals(c1,this.task.getContext());
+        assertEquals(c2,this.task.getContext());
+
+        assertFalse(c1.getTaskReference().contains(this.task));
+        assertTrue(c2.getTaskReference().contains(this.task));
+
+        this.task.getContextReference().unset();
+
+        assertFalse(this.task.getContextReference().isSet());
+        assertFalse(c2.getTaskReference().contains(this.task));
+    }
 }
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