support importing transaction by csv/tsv file via command line

pkg/converters/import_transactions_test.go

@@ -0,0 +1,53 @@
+package converters
+
+import (
+	"sort"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+)
+
+func TestImportTransactionSliceLess(t *testing.T) {
+	var transactionSlice ImportTransactionSlice
+	transactionSlice = append(transactionSlice, &models.Transaction{
+		TransactionId:   1,
+		Type:            models.TRANSACTION_DB_TYPE_EXPENSE,
+		TransactionTime: 1,
+	})
+	transactionSlice = append(transactionSlice, &models.Transaction{
+		TransactionId:   2,
+		Type:            models.TRANSACTION_DB_TYPE_INCOME,
+		TransactionTime: 2,
+	})
+	transactionSlice = append(transactionSlice, &models.Transaction{
+		TransactionId:   3,
+		Type:            models.TRANSACTION_DB_TYPE_MODIFY_BALANCE,
+		TransactionTime: 10,
+	})
+	transactionSlice = append(transactionSlice, &models.Transaction{
+		TransactionId:   4,
+		Type:            models.TRANSACTION_DB_TYPE_TRANSFER_IN,
+		TransactionTime: 3,
+	})
+	transactionSlice = append(transactionSlice, &models.Transaction{
+		TransactionId:   5,
+		Type:            models.TRANSACTION_DB_TYPE_MODIFY_BALANCE,
+		TransactionTime: 11,
+	})
+	transactionSlice = append(transactionSlice, &models.Transaction{
+		TransactionId:   6,
+		Type:            models.TRANSACTION_DB_TYPE_TRANSFER_OUT,
+		TransactionTime: 4,
+	})
+
+	sort.Sort(transactionSlice)
+
+	assert.Equal(t, int64(3), transactionSlice[0].TransactionId)
+	assert.Equal(t, int64(5), transactionSlice[1].TransactionId)
+	assert.Equal(t, int64(1), transactionSlice[2].TransactionId)
+	assert.Equal(t, int64(2), transactionSlice[3].TransactionId)
+	assert.Equal(t, int64(4), transactionSlice[4].TransactionId)
+	assert.Equal(t, int64(6), transactionSlice[5].TransactionId)
+}