feat: add independent platform modules and multi-provider storage

pagination/pagination_test.go

@@ -0,0 +1,30 @@
+package pagination
+
+import (
+	"encoding/json"
+	"math"
+	"net/url"
+	"strings"
+	"testing"
+)
+
+func TestBoundsAndEnvelope(t *testing.T) {
+	for _, raw := range []string{"page=0", "page=1&page=2", "pageSize=101", "page=9223372036854775807&pageSize=100", "pageSize=-1"} {
+		q, _ := url.ParseQuery(raw)
+		if _, err := Parse(q, Config{}); err == nil {
+			t.Fatal(raw)
+		}
+	}
+	r, err := Parse(url.Values{"page": {"2"}, "pageSize": {"30"}}, Config{})
+	if err != nil || r.Offset() != 30 {
+		t.Fatal(r, err)
+	}
+	result, err := NewResult(r, []string(nil), math.MaxInt64)
+	if err != nil || result.TotalPages != math.MaxInt64/30+1 {
+		t.Fatal(result, err)
+	}
+	raw, _ := json.Marshal(result)
+	if !strings.Contains(string(raw), `"items":[]`) || !strings.Contains(string(raw), `"pageSize":30`) {
+		t.Fatal(string(raw))
+	}
+}