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Add time import and tests for invalid date in email

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Added `time` import in the eml_test.go and added two new test use-cases: `exampleMailPlainNoEncInvalidDate` and `exampleMailPlainNoEncNoDate`. The `exampleMailPlainNoEncInvalidDate` is used to check if the parser can correctly handle email with invalid date. Meanwhile, `exampleMailPlainNoEncNoDate` checks if the parser can correctly add the current date to an email that didn't specify a date. This will improve the parser's resilience and flexibility in handling various email scenarios.
This commit is contained in:
Winni Neessen 2023-11-05 19:48:43 +01:00
parent 8a1391b9df
commit e9331e0b7c
Signed by: wneessen
GPG key ID: 5F3AF39B820C119D
1 changed files with 67 additions and 0 deletions
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67
eml_test.go
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@ -7,6 +7,7 @@ package mail
import (
"strings"
"testing"
"time"
)
const (
@ -28,6 +29,51 @@ This is a test mail. Please do not reply to this. Also this line is very long so
should be wrapped.
Thank your for your business!
The go-mail team
--
This is a signature`
exampleMailPlainNoEncInvalidDate = `Date: Inv, 99 Nov 9999 99:99:00 +0000
MIME-Version: 1.0
Message-ID: <1305604950.683004066175.AAAAAAAAaaaaaaaaB@go-mail.dev>
Subject: Example mail // plain text without encoding
User-Agent: go-mail v0.4.0 // https://github.com/wneessen/go-mail
X-Mailer: go-mail v0.4.0 // https://github.com/wneessen/go-mail
From: "Toni Tester" <go-mail@go-mail.dev>
To: <go-mail+test@go-mail.dev>
Cc: <go-mail+cc@go-mail.dev>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Dear Customer,
This is a test mail. Please do not reply to this. Also this line is very long so it
should be wrapped.
Thank your for your business!
The go-mail team
--
This is a signature`
exampleMailPlainNoEncNoDate = `MIME-Version: 1.0
Message-ID: <1305604950.683004066175.AAAAAAAAaaaaaaaaB@go-mail.dev>
Subject: Example mail // plain text without encoding
User-Agent: go-mail v0.4.0 // https://github.com/wneessen/go-mail
X-Mailer: go-mail v0.4.0 // https://github.com/wneessen/go-mail
From: "Toni Tester" <go-mail@go-mail.dev>
To: <go-mail+test@go-mail.dev>
Cc: <go-mail+cc@go-mail.dev>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Dear Customer,
This is a test mail. Please do not reply to this. Also this line is very long so it
should be wrapped.
Thank your for your business!
The go-mail team
@ -110,3 +156,24 @@ func TestEMLToMsgFromString(t *testing.T) {
})
}
}
func TestEMLToMsgFromStringBrokenDate(t *testing.T) {
_, err := EMLToMsgFromString(exampleMailPlainNoEncInvalidDate)
if err == nil {
t.Error("EML with invalid date was supposed to fail, but didn't")
}
now := time.Now()
m, err := EMLToMsgFromString(exampleMailPlainNoEncNoDate)
if err != nil {
t.Errorf("EML with no date parsing failed: %s", err)
}
da := m.GetGenHeader(HeaderDate)
if len(da) < 1 {
t.Error("EML with no date expected current date, but got nothing")
return
}
d := da[0]
if d != now.Format(time.RFC1123Z) {
t.Errorf("EML with no date expected: %s, got: %s", now.Format(time.RFC1123Z), d)
}
}