Files
mire/internal/config/config.go

67 lines
1.3 KiB
Go

package config
import (
"bytes"
"errors"
"fmt"
"os"
"github.com/BurntSushi/toml"
)
type Config struct {
TestDir string
}
type tomlConfig struct {
Miro tomlMiroConfig `toml:"miro"`
}
type tomlMiroConfig struct {
TestDir string `toml:"test_dir"`
}
// ReadConfig reads miro.toml.
func ReadConfig(path string) (Config, error) {
var raw tomlConfig
meta, err := toml.DecodeFile(path, &raw)
if err != nil {
if errors.Is(err, os.ErrNotExist) {
return Config{}, err
}
return Config{}, fmt.Errorf("failed to read %s: %v", path, err)
}
if !meta.IsDefined("miro") {
return Config{}, fmt.Errorf("failed to read %s: missing [miro] config", path)
}
if !meta.IsDefined("miro", "test_dir") {
return Config{}, fmt.Errorf("failed to read %s: missing required miro.test_dir", path)
}
if raw.Miro.TestDir == "" {
return Config{}, fmt.Errorf("failed to read %s: empty miro.test_dir", path)
}
return Config{
TestDir: raw.Miro.TestDir,
}, nil
}
// WriteConfig writes miro.toml.
func WriteConfig(path string, cfg Config) error {
if cfg.TestDir == "" {
return errors.New("empty miro.test_dir")
}
var buf bytes.Buffer
if err := toml.NewEncoder(&buf).Encode(tomlConfig{
Miro: tomlMiroConfig{
TestDir: cfg.TestDir,
},
}); err != nil {
return fmt.Errorf("failed to encode %s: %v", path, err)
}
return os.WriteFile(path, buf.Bytes(), 0o644)
}