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//
// Copyright 2022 The Sigstore 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 ntpmonitor
import (
"os"
"path"
"testing"
"gopkg.in/yaml.v3"
)
var yamlData = `
# Number of attempts to contact a ntp server before giving up.
request_attempts: 2
# The timeout in seconds for a request to respond. This value must be
# smaller than max_time_delta.
request_timeout: 1
# Number of randomly selected ntp servers to interrogate.
num_servers: 2
# Number of servers who must agree with local time.
server_threshold: 1
# Maximum number of seconds the local time is allowed to drift from the
# response of a ntp server
max_time_delta: 2
# Period (in seconds) for polling ntp servers
period: 80
# List of servers to contact. Many DNS names resolves to multiple A records.
servers:
#
# stratum 1 servers:
#
# Apple AS6185
- "time.apple.com"
# Google AS15169
- "time.google.com"
`
func TestLoadConfig(t *testing.T) {
// create test custom config for testing
var dir = t.TempDir()
var path = path.Join(dir, "cfg.yaml")
f, err := os.Create(path)
if err != nil {
t.Fatal(err)
}
if _, err = f.Write([]byte(yamlData)); err != nil {
t.Fatal(err)
}
f.Close()
// create default config for testing
var defaultConfig Config
if err = yaml.Unmarshal(defaultConfigData, &defaultConfig); err != nil {
t.Fatalf("failed to parse default config YAML: %v", err)
}
type test struct {
configPath string
expectedConfig Config
}
tests := []test{
{
configPath: path,
expectedConfig: Config{
RequestAttempts: 2,
RequestTimeout: 1,
NumServers: 2,
ServerThreshold: 1,
MaxTimeDelta: 2,
Period: 80,
Servers: []string{"a", "b"},
},
},
{
configPath: "ntpsync.yaml",
expectedConfig: defaultConfig,
},
}
for _, tc := range tests {
cfg, err := LoadConfig(tc.configPath)
if err != nil {
t.Fatal(err)
}
if cfg == nil {
t.Fatal("no config returned")
}
if cfg.RequestAttempts != tc.expectedConfig.RequestAttempts {
t.Errorf("request attempts, got %d expected %d",
cfg.RequestAttempts, tc.expectedConfig.RequestAttempts)
}
if cfg.RequestTimeout != tc.expectedConfig.RequestTimeout {
t.Errorf("request timeout, got %d expected %d",
cfg.RequestTimeout, tc.expectedConfig.RequestTimeout)
}
if cfg.NumServers != tc.expectedConfig.NumServers {
t.Errorf("num servers, got %d expected %d",
cfg.NumServers, tc.expectedConfig.NumServers)
}
if cfg.ServerThreshold != tc.expectedConfig.ServerThreshold {
t.Errorf("server threshold, got %d expected %d",
cfg.ServerThreshold, tc.expectedConfig.ServerThreshold)
}
if cfg.MaxTimeDelta != tc.expectedConfig.MaxTimeDelta {
t.Errorf("max time delta, got %d expected %d",
cfg.MaxTimeDelta, tc.expectedConfig.MaxTimeDelta)
}
if cfg.Period != tc.expectedConfig.Period {
t.Errorf("period, got %d expected %d",
cfg.Period, tc.expectedConfig.Period)
}
if len(cfg.Servers) != len(tc.expectedConfig.Servers) {
t.Errorf("number of servers in list, got %d expected %d",
len(cfg.Servers), len(tc.expectedConfig.Servers))
}
}
}
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