add unit tests

pkg/converters/datatable/basic_data_table_test.go

@@ -0,0 +1,65 @@
+package datatable
+
+type testBasicDataTable struct {
+	headerColumns []string
+	rows          []*testBasicDataTableRow
+}
+
+type testBasicDataTableRow struct {
+	rowId      string
+	rowColumns []string
+}
+
+type testBasicDataTableRowIterator struct {
+	rows         []*testBasicDataTableRow
+	currentIndex int
+}
+
+func (t *testBasicDataTable) HeaderColumnNames() []string {
+	return t.headerColumns
+}
+
+func (t *testBasicDataTable) DataRowCount() int {
+	return len(t.rows)
+}
+
+func (t *testBasicDataTable) DataRowIterator() BasicDataTableRowIterator {
+	return &testBasicDataTableRowIterator{
+		rows:         t.rows,
+		currentIndex: -1,
+	}
+}
+
+func (r *testBasicDataTableRow) ColumnCount() int {
+	return len(r.rowColumns)
+}
+
+func (r *testBasicDataTableRow) GetData(columnIndex int) string {
+	if columnIndex < 0 || columnIndex >= len(r.rowColumns) {
+		return ""
+	}
+
+	return r.rowColumns[columnIndex]
+}
+
+func (t *testBasicDataTableRowIterator) HasNext() bool {
+	return t.currentIndex+1 < len(t.rows)
+}
+
+func (t *testBasicDataTableRowIterator) CurrentRowId() string {
+	if t.currentIndex >= len(t.rows) {
+		return ""
+	}
+
+	return t.rows[t.currentIndex].rowId
+}
+
+func (t *testBasicDataTableRowIterator) Next() BasicDataTableRow {
+	if t.currentIndex+1 >= len(t.rows) {
+		return nil
+	}
+
+	t.currentIndex++
+	row := t.rows[t.currentIndex]
+	return row
+}