Files
2026-07-21 16:49:40 +02:00

95 lines
2.0 KiB
Go

package inventory
import (
"context"
"errors"
"net/http"
"net/http/httptest"
"strings"
"testing"
)
type mockStockReader struct {
stock map[string]int64
err error
}
func (m *mockStockReader) GetInventory(ctx context.Context, sku SKU, locationID LocationID) (int64, error) {
if m.err != nil {
return 0, m.err
}
qty, ok := m.stock[string(sku)]
if !ok {
return 0, errors.New("sku not found")
}
return qty, nil
}
func TestBadgeHandler(t *testing.T) {
mock := &mockStockReader{
stock: map[string]int64{
"HIGH": 25,
"LOW": 3,
"OUT": 0,
},
}
handler := BadgeHandler(mock)
tests := []struct {
name string
url string
expectedCode int
expectedSubstr string
}{
{
name: "missing sku",
url: "/inventory/badge",
expectedCode: http.StatusBadRequest,
expectedSubstr: "missing sku parameter",
},
{
name: "high stock",
url: "/inventory/badge?sku=HIGH",
expectedCode: http.StatusOK,
expectedSubstr: "stock-in-stock",
},
{
name: "low stock",
url: "/inventory/badge?sku=LOW",
expectedCode: http.StatusOK,
expectedSubstr: "Only 3 left!",
},
{
name: "out of stock",
url: "/inventory/badge?sku=OUT",
expectedCode: http.StatusOK,
expectedSubstr: "stock-out-of-stock",
},
{
name: "unknown stock / error",
url: "/inventory/badge?sku=UNKNOWN",
expectedCode: http.StatusOK,
expectedSubstr: "stock-unknown",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
req := httptest.NewRequest(http.MethodGet, tt.url, nil)
rr := httptest.NewRecorder()
handler.ServeHTTP(rr, req)
if rr.Code != tt.expectedCode {
t.Errorf("expected status code %d, got %d", tt.expectedCode, rr.Code)
}
body := rr.Body.String()
if !strings.Contains(body, tt.expectedSubstr) {
t.Errorf("expected body to contain %q, got %q", tt.expectedSubstr, body)
}
})
}
}