package parsekit_test

// This file only provides building blocks for writing tests.
// No actual tests belong in this file.

import (
	"testing"

	"git.makaay.nl/mauricem/go-parsekit"
)

const TestItem parsekit.ItemType = 1

// Easy access to the parsekit definitions.
var c, a, m = parsekit.C, parsekit.A, parsekit.M

type TokenHandlerTest struct {
	input        string
	tokenHandler parsekit.TokenHandler
	mustMatch    bool
	expected     string
}

func RunTokenHandlerTests(t *testing.T, testSet []TokenHandlerTest) {
	for _, test := range testSet {
		RunTokenHandlerTest(t, test)
	}
}

func RunTokenHandlerTest(t *testing.T, test TokenHandlerTest) {
	output, err, ok := parsekit.NewMatcher(test.tokenHandler, "a match").Parse(test.input)

	if test.mustMatch {
		if !ok {
			t.Errorf("Test %q failed with error: %s", test.input, err)
		} else if output != test.expected {
			t.Errorf("Test %q failed: not expected output:\nexpected: %q\nactual: %q\n", test.input, test.expected, output)
		}
	} else {
		if ok {
			t.Errorf("Test %q failed: should not match, but it did", test.input)
		}
	}
}