goutils/dbg/dbg_test.go

121 lines
2.4 KiB
Go

package dbg
import (
"io/ioutil"
"os"
"testing"
"github.com/kisom/goutils/testio"
"github.com/stretchr/testify/require"
)
func TestNew(t *testing.T) {
buf := testio.NewBufCloser(nil)
dbg := New()
dbg.out = buf
dbg.Print("hello")
dbg.Println("hello")
dbg.Printf("hello %s", "world")
require.Equal(t, 0, buf.Len())
dbg.Enabled = true
dbg.Print("hello") // +5
dbg.Println("hello") // +6
dbg.Printf("hello %s", "world") // +11
require.Equal(t, 22, buf.Len())
err := dbg.Close()
require.NoError(t, err)
}
func TestTo(t *testing.T) {
buf := testio.NewBufCloser(nil)
dbg := To(buf)
dbg.Print("hello")
dbg.Println("hello")
dbg.Printf("hello %s", "world")
require.Equal(t, 0, buf.Len())
dbg.Enabled = true
dbg.Print("hello") // +5
dbg.Println("hello") // +6
dbg.Printf("hello %s", "world") // +11
require.Equal(t, 22, buf.Len())
err := dbg.Close()
require.NoError(t, err)
}
func TestToFile(t *testing.T) {
testFile, err := ioutil.TempFile("", "dbg")
require.NoError(t, err)
err = testFile.Close()
require.NoError(t, err)
testFileName := testFile.Name()
defer os.Remove(testFileName)
dbg, err := ToFile(testFileName)
require.NoError(t, err)
dbg.Print("hello")
dbg.Println("hello")
dbg.Printf("hello %s", "world")
stat, err := os.Stat(testFileName)
require.NoError(t, err)
require.EqualValues(t, 0, stat.Size())
dbg.Enabled = true
dbg.Print("hello") // +5
dbg.Println("hello") // +6
dbg.Printf("hello %s", "world") // +11
stat, err = os.Stat(testFileName)
require.NoError(t, err)
require.EqualValues(t, 22, stat.Size())
err = dbg.Close()
require.NoError(t, err)
}
func TestWriting(t *testing.T) {
data := []byte("hello, world")
buf := testio.NewBufCloser(nil)
dbg := To(buf)
n, err := dbg.Write(data)
require.NoError(t, err)
require.EqualValues(t, 0, n)
dbg.Enabled = true
n, err = dbg.Write(data)
require.NoError(t, err)
require.EqualValues(t, 12, n)
err = dbg.Close()
require.NoError(t, err)
}
func TestToFileError(t *testing.T) {
testFile, err := ioutil.TempFile("", "dbg")
require.NoError(t, err)
err = testFile.Chmod(0400)
require.NoError(t, err)
err = testFile.Close()
require.NoError(t, err)
testFileName := testFile.Name()
_, err = ToFile(testFileName)
require.Error(t, err)
err = os.Remove(testFileName)
require.NoError(t, err)
}