// Copyright 2024 The Prometheus Authors
// Licensed 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.

package main

import (
	"testing"
)

func TestBuildDeviceLabel(t *testing.T) {
	tests := []struct {
		deviceName    string
		deviceType    string
		expectedLabel string
	}{
		{"/dev/bus/0", "megaraid,1", "bus_0_megaraid_1"},
		{"/dev/sda", "auto", "sda"},
		{"/dev/disk/by-id/ata-CT500MX500SSD1_ABCDEFGHIJ", "auto", "ata-CT500MX500SSD1_ABCDEFGHIJ"},
		// Some cases extracted from smartctl docs. Are these the prettiest?
		// Probably not. Are they unique enough. Definitely.
		{"/dev/sg1", "cciss,1", "sg1_cciss_1"},
		{"/dev/bsg/sssraid0", "sssraid,0,1", "bsg_sssraid0_sssraid_0_1"},
		{"/dev/cciss/c0d0", "cciss,0", "cciss_c0d0_cciss_0"},
		{"/dev/sdb", "aacraid,1,0,4", "sdb_aacraid_1_0_4"},
		{"/dev/twl0", "3ware,1", "twl0_3ware_1"},
	}

	for _, test := range tests {
		result := buildDeviceLabel(test.deviceName, test.deviceType)
		if result != test.expectedLabel {
			t.Errorf("deviceName=%v deviceType=%v expected=%v result=%v", test.deviceName, test.deviceType, test.expectedLabel, result)
		}
	}
}