test(core): cover EntityRoot lifecycle

teaql-core/src/test/java/io/teaql/core/EntityRootTest.java

@@ -0,0 +1,75 @@
+package io.teaql.core;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertThrows;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+public class EntityRootTest {
+
+    private static final EntityKey ORDER = new EntityKey("Order", 1L);
+    private static final EntityKey OTHER_ORDER = new EntityKey("Order", 2L);
+
+    @Test
+    public void markAsNewRecordsOnlyRequestedKeyAndIsIdempotent() {
+        EntityRoot root = new EntityRoot();
+
+        root.markAsNew(ORDER);
+        root.markAsNew(ORDER);
+
+        assertTrue(root.isNew(ORDER));
+        assertFalse(root.isNew(OTHER_ORDER));
+        assertEquals(1, root.newKeys().size());
+    }
+
+    @Test
+    public void newKeysViewIsReadOnly() {
+        EntityRoot root = new EntityRoot();
+        root.markAsNew(ORDER);
+
+        assertThrows(UnsupportedOperationException.class, () -> root.newKeys().add(OTHER_ORDER));
+    }
+
+    @Test
+    public void markAsDeleteRecordsOnlyRequestedKeyAndIsIdempotent() {
+        EntityRoot root = new EntityRoot();
+
+        root.markAsDelete(ORDER);
+        root.markAsDelete(ORDER);
+
+        assertTrue(root.isMarkedAsDelete(ORDER));
+        assertFalse(root.isMarkedAsDelete(OTHER_ORDER));
+        assertEquals(1, root.deletedKeys().size());
+    }
+
+    @Test
+    public void deletedKeysViewIsReadOnly() {
+        EntityRoot root = new EntityRoot();
+        root.markAsDelete(ORDER);
+
+        assertThrows(
+                UnsupportedOperationException.class,
+                () -> root.deletedKeys().add(OTHER_ORDER));
+    }
+
+    @Test
+    public void markingEntityDeletedClearsItsChangesFromEveryScopeOnly() {
+        EntityRoot root = new EntityRoot();
+        root.set(ORDER, "status", "CREATED");
+        root.set(OTHER_ORDER, "status", "CREATED");
+        root.pushChangeSet();
+        root.set(ORDER, "total", 100L);
+        root.set(OTHER_ORDER, "total", 200L);
+
+        root.markAsDelete(ORDER);
+
+        assertTrue(root.changedFieldNames(ORDER).isEmpty());
+        assertNull(root.get(ORDER, "status"));
+        assertNull(root.get(ORDER, "total"));
+        assertEquals("CREATED", root.get(OTHER_ORDER, "status"));
+        assertEquals(200L, root.get(OTHER_ORDER, "total"));
+    }
+}