1 files changed, 106 insertions, 0 deletions
diff --git a/backend/internal/utils/money_test.go b/backend/internal/utils/money_test.go
new file mode 100644
index 0000000..27ace06
--- /dev/null
+++ b/backend/internal/utils/money_test.go
@@ -0,0 +1,106 @@
+package utils
+
+import (
+	"testing"
+
+	"github.com/Rhymond/go-money"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestParseMoney(t *testing.T) {
+	tests := []struct {
+		name  string
+		input string
+		want  *money.Money
+	}{
+		{
+			name:  "en-US int no comma",
+			input: "$123",
+			want:  money.New(12300, money.USD),
+		},
+		{
+			name:  "en-US int comma",
+			input: "$1,123",
+			want:  money.New(112300, money.USD),
+		},
+		{
+			name:  "en-US decimal comma",
+			input: "$1,123.45",
+			want:  money.New(112345, money.USD),
+		},
+		{
+			name:  "zh-CN decimal comma",
+			input: "1,234.56 \u5143",
+			want:  money.New(123456, money.CNY),
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			m, err := ParseMoney(tt.input)
+			assert.NoError(t, err)
+			assert.Equal(t, tt.want, m)
+		})
+	}
+}
+
+func Test_isCurrency(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    string
+		currency string
+		numPart  string
+		ok       bool
+	}{
+		{
+			name:     "en-US int no comma",
+			input:    "$123",
+			currency: money.USD,
+			numPart:  "12300",
+			ok:       true,
+		},
+		{
+			name:     "en-US int comma",
+			input:    "$1,123",
+			currency: money.USD,
+			numPart:  "112300",
+			ok:       true,
+		},
+		{
+			name:     "en-US decimal comma",
+			input:    "$1,123.45",
+			currency: money.USD,
+			numPart:  "112345",
+			ok:       true,
+		},
+		{
+			name:     "en-US 1 decimal comma",
+			input:    "$1,123.5",
+			currency: money.USD,
+			numPart:  "112350",
+			ok:       true,
+		},
+		{
+			name:     "en-US no grapheme",
+			input:    "1,234.56",
+			currency: money.USD,
+			numPart:  "",
+			ok:       false,
+		},
+		{
+			name:     "zh-CN decimal comma",
+			input:    "1,234.56 \u5143",
+			currency: money.CNY,
+			numPart:  "123456",
+			ok:       true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			c := money.GetCurrency(tt.currency)
+			numPart, ok := isCurrency(tt.input, c)
+			assert.Equal(t, tt.ok, ok)
+			assert.Equal(t, tt.numPart, numPart)
+		})
+	}
+}