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|
package message
import (
"bytes"
"io"
"io/ioutil"
"strings"
"testing"
)
var testEncodings = []struct {
enc string
encoded string
decoded string
}{
{
enc: "binary",
encoded: "café",
decoded: "café",
},
{
enc: "8bit",
encoded: "café",
decoded: "café",
},
{
enc: "7bit",
encoded: "hi there",
decoded: "hi there",
},
{
enc: "quoted-printable",
encoded: "caf=C3=A9",
decoded: "café",
},
{
enc: "base64",
encoded: "Y2Fmw6k=",
decoded: "café",
},
}
func TestDecode(t *testing.T) {
for _, test := range testEncodings {
r, err := encodingReader(test.enc, strings.NewReader(test.encoded))
if err != nil {
t.Errorf("Expected no error when creating decoder for encoding %q, but got: %v", test.enc, err)
} else if b, err := ioutil.ReadAll(r); err != nil {
t.Errorf("Expected no error when reading encoding %q, but got: %v", test.enc, err)
} else if s := string(b); s != test.decoded {
t.Errorf("Expected decoded text to be %q but got %q", test.decoded, s)
}
}
}
func TestDecode_error(t *testing.T) {
_, err := encodingReader("idontexist", nil)
if err == nil {
t.Errorf("Expected an error when creating decoder for invalid encoding")
}
}
func TestEncode(t *testing.T) {
for _, test := range testEncodings {
var b bytes.Buffer
wc, _ := encodingWriter(test.enc, &b)
io.WriteString(wc, test.decoded)
wc.Close()
if s := b.String(); s != test.encoded {
t.Errorf("Expected encoded text to be %q but got %q", test.encoded, s)
}
}
}
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