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|
package backendutil
import (
"bufio"
"io/ioutil"
"strings"
"testing"
"github.com/emersion/go-imap"
"github.com/emersion/go-message/textproto"
)
var bodyTests = []struct {
section string
body string
}{
{
section: "BODY[]",
body: testMailString,
},
{
section: "BODY[1.1]",
body: testTextBodyString,
},
{
section: "BODY[1.2]",
body: testHTMLBodyString,
},
{
section: "BODY[2]",
body: testAttachmentBodyString,
},
{
section: "BODY[HEADER]",
body: testHeaderString,
},
{
section: "BODY[HEADER.FIELDS (From To)]",
body: testHeaderFromToString,
},
{
section: "BODY[HEADER.FIELDS (FROM to)]",
body: testHeaderFromToString,
},
{
section: "BODY[HEADER.FIELDS.NOT (From To)]",
body: testHeaderNoFromToString,
},
{
section: "BODY[HEADER.FIELDS (Date)]",
body: testHeaderDateString,
},
{
section: "BODY[1.1.HEADER]",
body: testTextHeaderString,
},
{
section: "BODY[1.1.HEADER.FIELDS (Content-Type)]",
body: testTextContentTypeString,
},
{
section: "BODY[1.1.HEADER.FIELDS.NOT (Content-Type)]",
body: testTextNoContentTypeString,
},
{
section: "BODY[2.HEADER]",
body: testAttachmentHeaderString,
},
{
section: "BODY[2.MIME]",
body: testAttachmentHeaderString,
},
{
section: "BODY[TEXT]",
body: testBodyString,
},
{
section: "BODY[1.1.TEXT]",
body: testTextBodyString,
},
{
section: "BODY[2.TEXT]",
body: testAttachmentBodyString,
},
{
section: "BODY[2.1]",
body: "",
},
{
section: "BODY[3]",
body: "",
},
{
section: "BODY[2.TEXT]<0.9>",
body: testAttachmentBodyString[:9],
},
}
func TestFetchBodySection(t *testing.T) {
for _, test := range bodyTests {
test := test
t.Run(test.section, func(t *testing.T) {
bufferedBody := bufio.NewReader(strings.NewReader(testMailString))
header, err := textproto.ReadHeader(bufferedBody)
if err != nil {
t.Fatal("Expected no error while reading mail, got:", err)
}
section, err := imap.ParseBodySectionName(imap.FetchItem(test.section))
if err != nil {
t.Fatal("Expected no error while parsing body section name, got:", err)
}
r, err := FetchBodySection(header, bufferedBody, section)
if test.body == "" {
if err == nil {
t.Error("Expected an error while extracting non-existing body section")
}
} else {
if err != nil {
t.Fatal("Expected no error while extracting body section, got:", err)
}
b, err := ioutil.ReadAll(r)
if err != nil {
t.Fatal("Expected no error while reading body section, got:", err)
}
if s := string(b); s != test.body {
t.Errorf("Expected body section %q to be \n%s\n but got \n%s", test.section, test.body, s)
}
}
})
}
}
func TestFetchBodySection_NonMultipart(t *testing.T) {
// https://tools.ietf.org/html/rfc3501#page-55:
// Every message has at least one part number. Non-[MIME-IMB]
// messages, and non-multipart [MIME-IMB] messages with no
// encapsulated message, only have a part 1.
testMsgHdr := "From: Mitsuha Miyamizu <mitsuha.miyamizu@example.org>\r\n" +
"To: Taki Tachibana <taki.tachibana@example.org>\r\n" +
"Subject: Your Name.\r\n" +
"Message-Id: 42@example.org\r\n" +
"\r\n"
testMsgBody := "That's not multipart message. Thought it should be possible to get this text using BODY[1]."
testMsg := testMsgHdr + testMsgBody
tests := []struct {
section string
body string
}{
{
section: "BODY[1.MIME]",
body: testMsgHdr,
},
{
section: "BODY[1]",
body: testMsgBody,
},
}
for _, test := range tests {
test := test
t.Run(test.section, func(t *testing.T) {
bufferedBody := bufio.NewReader(strings.NewReader(testMsg))
header, err := textproto.ReadHeader(bufferedBody)
if err != nil {
t.Fatal("Expected no error while reading mail, got:", err)
}
section, err := imap.ParseBodySectionName(imap.FetchItem(test.section))
if err != nil {
t.Fatal("Expected no error while parsing body section name, got:", err)
}
r, err := FetchBodySection(header, bufferedBody, section)
if err != nil {
t.Fatal("Expected no error while extracting body section, got:", err)
}
b, err := ioutil.ReadAll(r)
if err != nil {
t.Fatal("Expected no error while reading body section, got:", err)
}
if s := string(b); s != test.body {
t.Errorf("Expected body section %q to be \n%s\n but got \n%s", test.section, test.body, s)
}
})
}
}
|
