Integration tests (#170)

pkg/stdlib/html/select.go

@@ -0,0 +1,72 @@
+package html
+
+import (
+	"context"
+	"github.com/MontFerret/ferret/pkg/html/dynamic"
+	"github.com/MontFerret/ferret/pkg/runtime/core"
+	"github.com/MontFerret/ferret/pkg/runtime/values"
+)
+
+// Select selects a value from an underlying select element.
+// @param source (Document | Element) - Event target.
+// @param valueOrSelector (String | Array<String>) - Selector or a an array of strings as a value.
+// @param value (Array<String) - Target value. Optional.
+// @returns (Array<String>) - Returns an array of selected values.
+func Select(_ context.Context, args ...core.Value) (core.Value, error) {
+	err := core.ValidateArgs(args, 2, 4)
+
+	if err != nil {
+		return values.None, err
+	}
+
+	arg1 := args[0]
+	err = core.ValidateType(arg1, core.HTMLDocumentType, core.HTMLElementType)
+
+	if err != nil {
+		return values.False, err
+	}
+
+	switch args[0].(type) {
+	case *dynamic.HTMLDocument:
+		doc, ok := arg1.(*dynamic.HTMLDocument)
+
+		if !ok {
+			return values.False, core.Errors(core.ErrInvalidType, ErrNotDynamic)
+		}
+
+		// selector
+		arg2 := args[1]
+		err = core.ValidateType(arg2, core.StringType)
+
+		if err != nil {
+			return values.False, err
+		}
+
+		arg3 := args[2]
+		err = core.ValidateType(arg3, core.ArrayType)
+
+		if err != nil {
+			return values.False, err
+		}
+
+		return doc.SelectBySelector(arg2.(values.String), arg3.(*values.Array))
+	case *dynamic.HTMLElement:
+		el, ok := arg1.(*dynamic.HTMLElement)
+
+		if !ok {
+			return values.False, core.Errors(core.ErrInvalidType, ErrNotDynamic)
+		}
+
+		arg2 := args[1]
+
+		err = core.ValidateType(arg2, core.ArrayType)
+
+		if err != nil {
+			return values.False, err
+		}
+
+		return el.Select(arg2.(*values.Array))
+	default:
+		return values.False, core.Errors(core.ErrInvalidArgument)
+	}
+}