package formatters

import (
	"fmt"
	"os"
	"testing"

	"codeberg.org/danjones000/my-log/config"
	"github.com/stretchr/testify/assert"
)

func TestKinds(t *testing.T) {
	assert.ElementsMatch(t, []string{"plain", "json", "zero"}, Kinds())
}

func TestNewUnsupported(t *testing.T) {
	f, err := New("nope")
	assert.Nil(t, f)
	assert.Error(t, err)
}

func TestNewCantGetConfig(t *testing.T) {
	f, _ := os.CreateTemp("", "test")
	oldConf := config.ConfigPath
	config.ConfigPath = f.Name()
	defer f.Close()
	defer func() {
		config.ConfigPath = oldConf
	}()

	fmt.Fprint(f, `{"not":"toml"}`)
	form, err := New("plain")
	assert.Nil(t, form)
	assert.Error(t, err)

	form, err = Preferred()
	assert.Nil(t, form)
	assert.Error(t, err)
}

func TestPreferred(t *testing.T) {
	form, err := Preferred()
	assert.NotNil(t, form)
	assert.NoError(t, err)
}