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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 ( import (
"strings" "strings"
"testing" "testing"
"time"
) )
const ( 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. 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! Thank your for your business!
The go-mail team 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)
}
}