dogtamer/config/config_test.go
2021-08-23 02:45:44 +02:00

127 lines
2.8 KiB
Go

package config_test
import (
"os"
"strings"
"testing"
"github.uio.no/torjus/dogtamer/config"
)
func TestConfig(t *testing.T) {
t.Run("TestEmpty", func(t *testing.T) {
emptyConfig := ""
sr := strings.NewReader(emptyConfig)
c, err := config.FromReader(sr)
if err != nil {
t.Fatalf("Error reading empty config: %s", err)
}
// Ensure proper defaults are set
if c.ListenAddr != ":5566" {
t.Errorf("Unexpected ListenAddr: %s", c.ListenAddr)
}
if c.LogLevel != "INFO" {
t.Errorf("Unexpected LogLevel: %s", c.LogLevel)
}
})
t.Run("TestWithValidValues", func(t *testing.T) {
configString := `
# Random comment
LogLevel = "DEBUG"
ListenAddr = ":5555"
`
sr := strings.NewReader(configString)
c, err := config.FromReader(sr)
if err != nil {
t.Fatalf("Error reading config: %s", err)
}
if c.ListenAddr != ":5555" {
t.Errorf("Unexpected ListenAddr: %s", c.ListenAddr)
}
if c.LogLevel != "DEBUG" {
t.Errorf("Unexpected LogLevel: %s", c.LogLevel)
}
})
t.Run("TestWithInValidValues", func(t *testing.T) {
configString := `
# Random comment
LogLevel = "INVALID"
ListenAddr = ":5555"
`
sr := strings.NewReader(configString)
_, err := config.FromReader(sr)
ive, ok := err.(*config.InvalidValueError)
if !ok {
t.Fatalf("Error is of wrong type: %T", ive)
}
if ive.Key != "LogLevel" {
t.Errorf("Error has wrong key: %s", ive.Key)
}
})
t.Run("TestFromEnv", func(t *testing.T) {
os.Clearenv()
envValues := map[string]string{
"DOGTAMER_LOGLEVEL": "DEBUG",
"DOGTAMER_LISTENADDR": ":3333",
}
for k, v := range envValues {
if err := os.Setenv(k, v); err != nil {
t.Fatalf("Unable to set env values: %s", err)
}
}
emptyCfg := ""
sr := strings.NewReader(emptyCfg)
c, err := config.FromReader(sr)
if err != nil {
t.Fatalf("Error parsing config string: %s", err)
}
if err := c.UpdateFromEnv(); err != nil {
t.Errorf("Error updating config with environment")
}
if c.ListenAddr != envValues["DOGTAMER_LISTENADDR"] {
t.Errorf("ListenAddr has wrong value: %s", c.ListenAddr)
}
if c.LogLevel != envValues["DOGTAMER_LOGLEVEL"] {
t.Errorf("LogLevel has wrong value: %s", c.LogLevel)
}
})
t.Run("TestFromEnvInvalid", func(t *testing.T) {
os.Clearenv()
envValues := map[string]string{
"DOGTAMER_LOGLEVEL": "TEST",
"DOGTAMER_LISTENADDR": ":3333",
}
for k, v := range envValues {
if err := os.Setenv(k, v); err != nil {
t.Fatalf("Unable to set env values: %s", err)
}
}
emptyCfg := ""
sr := strings.NewReader(emptyCfg)
c, err := config.FromReader(sr)
if err != nil {
t.Fatalf("Error parsing config string: %s", err)
}
if err := c.UpdateFromEnv(); err == nil {
t.Errorf("No error when parsing invalid env values")
}
})
}