package rrdbinary import ( "fmt" "testing" "github.com/stretchr/testify/assert" ) func TestBinaryError(t *testing.T) { assert := assert.New(t) bad404 := []byte(`<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"`) err := NewBinError("not an RRD file: wrong magic number", bad404, 0, 4) assert.Equal(err.Error(), `invalid RRD: not an RRD file: wrong magic number`) assert.Equal(fmt.Sprintf("%v", err), `invalid RRD: not an RRD file: wrong magic number`) assert.Equal(fmt.Sprintf("%q", err), `"invalid RRD: not an RRD file: wrong magic number"`) assert.Equal(fmt.Sprintf("%+v", err), `invalid RRD: not an RRD file: wrong magic number at byte 0: ascii: < ! D O hex : 3c 21 44 4f `) badShort := []byte{'R'} err = NewBinError("not an RRD file: wrong magic number", badShort, 0, 4) assert.Equal(err.Error(), `invalid RRD: not an RRD file: wrong magic number`) assert.Equal(fmt.Sprintf("%v", err), `invalid RRD: not an RRD file: wrong magic number`) assert.Equal(fmt.Sprintf("%q", err), `"invalid RRD: not an RRD file: wrong magic number"`) assert.Equal(fmt.Sprintf("%+v", err), `invalid RRD: not an RRD file: wrong magic number at byte 0: ascii: R <EOF> hex : 52 <EOF> `) }