Add ColumnList Test

androidlibrary_lib/src/test/java/org/opendatakit/database/data/ColumnListTest.java

@@ -0,0 +1,90 @@
+package org.opendatakit.database.data;
+
+import android.os.Parcel;
+import org.junit.Before;
+import org.junit.Test;
+import org.opendatakit.aggregate.odktables.rest.entity.Column;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.junit.Assert.*;
+
+public class ColumnListTest {
+
+    private List<Column> testColumns;
+
+    @Before
+    public void setUp() {
+        // Initialize a list of columns
+        testColumns = new ArrayList<>();
+        testColumns.add(new Column("elementKey1", "elementName1", "elementType1", "childKeys1"));
+        testColumns.add(new Column("elementKey2", "elementName2", "elementType2", "childKeys2"));
+    }
+
+    @Test
+    public void ConstructorWithValidList() {
+        ColumnList columnList = new ColumnList(testColumns);
+        assertNotNull(columnList);
+        assertEquals(testColumns, columnList.getColumns());
+    }
+
+
+    @Test
+    public void WriteToParcel() {
+        ColumnList columnList = new ColumnList(testColumns);
+        Parcel parcel = Parcel.obtain();
+        columnList.writeToParcel(parcel, 0);
+
+        parcel.setDataPosition(0);
+
+        ColumnList createdFromParcel = ColumnList.CREATOR.createFromParcel(parcel);
+        assertEquals(testColumns.size(), createdFromParcel.getColumns().size());
+
+        for (int i = 0; i < testColumns.size(); i++) {
+            Column original = testColumns.get(i);
+            Column fromParcel = createdFromParcel.getColumns().get(i);
+            assertEquals(original.getElementKey(), fromParcel.getElementKey());
+            assertEquals(original.getElementName(), fromParcel.getElementName());
+            assertEquals(original.getElementType(), fromParcel.getElementType());
+            assertEquals(original.getListChildElementKeys(), fromParcel.getListChildElementKeys());
+        }
+
+        parcel.recycle();
+    }
+
+    @Test
+    public void ReadFromParcel() {
+        Parcel parcel = Parcel.obtain();
+        parcel.writeInt(2);
+
+        for (Column column : testColumns) {
+            parcel.writeString(column.getElementKey());
+            parcel.writeString(column.getElementName());
+            parcel.writeString(column.getElementType());
+            parcel.writeString(column.getListChildElementKeys());
+        }
+
+        parcel.setDataPosition(0);
+
+        ColumnList columnList = ColumnList.CREATOR.createFromParcel(parcel);
+        assertEquals(testColumns.size(), columnList.getColumns().size());
+
+        for (int i = 0; i < testColumns.size(); i++) {
+            Column original = testColumns.get(i);
+            Column fromParcel = columnList.getColumns().get(i);
+            assertEquals(original.getElementKey(), fromParcel.getElementKey());
+            assertEquals(original.getElementName(), fromParcel.getElementName());
+            assertEquals(original.getElementType(), fromParcel.getElementType());
+            assertEquals(original.getListChildElementKeys(), fromParcel.getListChildElementKeys());
+        }
+
+        parcel.recycle();
+    }
+
+    @Test
+    public void ParcelCreator() {
+        ColumnList[] columnArray = ColumnList.CREATOR.newArray(2);
+        assertEquals(2, columnArray.length);
+    }
+}