package attribute_test

import (
	"testing"

	"gitlab.codemonkeysoftware.net/b/hatmill"
	"gitlab.codemonkeysoftware.net/b/hatmill/attribute"
)

func testAttribValue(t *testing.T, attrib hatmill.Attrib, expectedValue string) {
	t.Helper()
	if attrib.ValueString() != expectedValue {
		t.Fatalf("expected attribute value to be %#v, but got %#v", expectedValue, attrib.ValueString())
	}
}

func TestString(t *testing.T) {
	const s = "abcdefg"
	testAttribValue(t, attribute.Id(s), s)
}

func TestBool(t *testing.T) {
	testAttribValue(t, attribute.Disabled(), "")
}

func TestExplicitBool(t *testing.T) {
	t.Run("true", func(t *testing.T) {
		testAttribValue(t, attribute.Draggable(true), "true")
	})
	t.Run("false", func(t *testing.T) {
		testAttribValue(t, attribute.Draggable(false), "false")
	})
}

func TestInt(t *testing.T) {
	t.Run("zero", func(t *testing.T) {
		testAttribValue(t, attribute.Height(0), "0")
	})
	t.Run("positive", func(t *testing.T) {
		testAttribValue(t, attribute.Height(45), "45")
	})
	t.Run("negative", func(t *testing.T) {
		testAttribValue(t, attribute.Tabindex(-45), "-45")
	})
}