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

var c, a, m = parsekit.C, parsekit.A, parsekit.M

type MatcherTest struct {
	input     string
	matcher   parsekit.Matcher
	mustMatch bool
	expected  string
}

func RunMatcherTests(t *testing.T, testSet []MatcherTest) {
	for _, test := range testSet {
		RunMatcherTest(t, test)
	}
}

func RunMatcherTest(t *testing.T, test MatcherTest) {
	parser := parsekit.New(test.matcher).Parse(test.input)
	item, err, ok := parser.Next()

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