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package coding_test
import (
"io"
"strings"
"testing"
"github.com/jhillyerd/enmime/internal/coding"
)
func TestBase64Cleaner(t *testing.T) {
buf := make([]byte, 1024)
testCases := []struct {
input, want string
}{
{"", ""},
{"\tA B\r\nC", "ABC"},
{"XYZ===", "XYZ"},
}
for _, tc := range testCases {
t.Run(tc.want, func(t *testing.T) {
cleaner := coding.NewBase64Cleaner(strings.NewReader(tc.input))
n, err := cleaner.Read(buf)
if err != nil && err != io.EOF {
t.Fatal(err)
}
for _, e := range cleaner.Errors {
t.Error(e)
}
got := string(buf[:n])
if got != tc.want {
t.Error("got:", got, "want:", tc.want)
}
})
}
}
// TestBase64CleanerErrors sends invalid characters and tests error messages
func TestBase64CleanerErrors(t *testing.T) {
buf := make([]byte, 1024)
testCases := []struct {
input, want string
}{
{"a!", "a"},
{"@b", "b"},
{"#c", "c"},
{"d$d", "dd"},
{"ee\b", "ee"},
}
for _, tc := range testCases {
t.Run(tc.want, func(t *testing.T) {
cleaner := coding.NewBase64Cleaner(strings.NewReader(tc.input))
n, err := cleaner.Read(buf)
if err != nil && err != io.EOF {
t.Fatal(err)
}
if len(cleaner.Errors) != 1 {
t.Errorf("got %d Errors, wanted 1", len(cleaner.Errors))
}
got := string(buf[:n])
if got != tc.want {
t.Error("got:", got, "want:", tc.want)
}
})
}
}
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