}
		})
	}
}

type errReader struct {
	err error
}

func (e errReader) Read(p []byte) (n int, err error) {
	return 0, e.err
}

func TestReadFailures(t *testing.T) {
	customErr := errors.New("unable to read file :(")
	cases := []struct {
		file            string
		recordDelimiter string
		fieldDelimiter  string
		sendErr         error
		header          bool
		wantColumns     []string