// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

// +build windows

package service

import (
	"testing"

	"github.com/stretchr/testify/assert"
)

func TestNewReader(t *testing.T) {
	reader, err := NewReader()
	assert.NoError(t, err)
	assert.NotNil(t, reader)
	defer reader.Close()
	assert.NotNil(t, reader.handle)
}

func TestOpenSCManager(t *testing.T) {
	handle, err := openSCManager("invalidMachine", "", ScManagerEnumerateService|ScManagerConnect)
	assert.Error(t, err)
	assert.Equal(t, handle, InvalidDatabaseHandle)

	handle, err = openSCManager("", "invalidDbName", ScManagerEnumerateService|ScManagerConnect)
	assert.Error(t, err)
	assert.Equal(t, handle, InvalidDatabaseHandle)

	handle, err = openSCManager("", "", ScManagerEnumerateService|ScManagerConnect)
	assert.NoError(t, err)
	assert.NotEqual(t, handle, InvalidDatabaseHandle)
	closeHandle(handle)
}

func TestGetMachineGUID(t *testing.T) {
	guid, err := getMachineGUID()
	assert.NoError(t, err)
	assert.NotNil(t, guid)
}

func TestRead(t *testing.T) {
	t.Skip("Flaky test: https://github.com/elastic/beats/issues/22171")

	reader, err := NewReader()
	assert.NoError(t, err)
	result, err := reader.Read()
	assert.NoError(t, err)
	assert.True(t, len(result) > 0)
	reader.Close()
}
