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backend/internal/credentialweight/weight_test.go

@@ -0,0 +1,33 @@
+package credentialweight
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestParseValueValidation(t *testing.T) {
+	tests := []struct {
+		name    string
+		value   any
+		want    int64
+		wantErr bool
+	}{
+		{name: "default string", value: "", want: Default},
+		{name: "negative excluded", value: json.Number("-5"), want: 0},
+		{name: "fraction rejected", value: json.Number("1.5"), wantErr: true},
+		{name: "maximum", value: json.Number("1000000"), want: Max},
+		{name: "above maximum", value: json.Number("1000001"), wantErr: true},
+		{name: "int64 overflow", value: json.Number("9223372036854775808"), wantErr: true},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			got, errParse := ParseValue(test.value)
+			if (errParse != nil) != test.wantErr {
+				t.Fatalf("ParseValue(%v) error = %v, wantErr=%v", test.value, errParse, test.wantErr)
+			}
+			if !test.wantErr && got != test.want {
+				t.Fatalf("ParseValue(%v) = %d, want %d", test.value, got, test.want)
+			}
+		})
+	}
+}