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Add failure test case for writing to temporary file

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Added a new test case "TestMsg_WriteToTempFile_fail" in msg_test.go to validate the failure scenario when attempting to write a message to a non-existent temporary directory. This new test will ensure error handling is properly conducted in such situations.
This commit is contained in:
Winni Neessen 2024-03-24 23:26:55 +01:00
parent f60ef348aa
commit ba00d56168
Signed by: wneessen
GPG key ID: 5F3AF39B820C119D
1 changed files with 16 additions and 0 deletions
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16
msg_test.go
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@ -2582,6 +2582,22 @@ func TestMsg_WriteToTempFile(t *testing.T) {
_ = os.Remove(f)
}
// TestMsg_WriteToTempFile_fail will test the output to temporary files
// with failure
func TestMsg_WriteToTempFile_fail(t *testing.T) {
m := NewMsg()
_ = m.From("Toni Tester <tester@example.com>")
_ = m.To("Ellenor Tester <ellinor@example.com>")
m.SetBodyString(TypeTextPlain, "This is a test")
_ = os.Setenv("TMPDIR", "/does/not/exist")
f, err := m.WriteToTempFile()
if err == nil {
t.Error("write message to temporary output file was supposed to fail, but didn't")
}
_ = os.Unsetenv("TMPDIR")
_ = os.Remove(f)
}
// TestMsg_WriteToFile will test the output to a file
func TestMsg_WriteToFile(t *testing.T) {
f, err := os.CreateTemp("", "go-mail-test_*.eml")