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Improve error handling in msg.go

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Added additional checks when calling values from the genHeader map in msg.go file. This is to prevent trying to operate on non-existing keys, hence avoiding possible null pointer exceptions. The checks ensure the key HeaderMessageID exists in the genHeader map before attempting to operate on it. This is essential for functions like RequestMDNTo, RequestMDNToFormat, and RequestMDNAddToFormat, thereby improving the robustness of the code.
This commit is contained in:
Winni Neessen 2023-11-29 17:40:31 +01:00
parent 5a4f814061
commit fb17547e69
Signed by: wneessen
GPG key ID: 5F3AF39B820C119D
1 changed files with 15 additions and 9 deletions
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24
msg_test.go
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@ -1168,9 +1168,11 @@ func TestMsg_RequestMDN(t *testing.T) {
if err := m.RequestMDNAddTo(v2); err != nil {
t.Errorf("RequestMDNAddTo with a valid address failed: %s", err)
}
if m.genHeader[HeaderDispositionNotificationTo][1] != fmt.Sprintf("<%s>", v2) {
t.Errorf("RequestMDNTo with a multiple valid addresses failed. Expected 1: %s, got 1: %s", v2,
m.genHeader[HeaderDispositionNotificationTo][1])
if val := m.genHeader[HeaderDispositionNotificationTo]; val != nil && len(val) > 1 {
if val[1] != fmt.Sprintf("<%s>", v2) {
t.Errorf("RequestMDNTo with a multiple valid addresses failed. Expected 1: %s, got 1: %s", v2,
val[1])
}
}
m.Reset()
@ -1178,16 +1180,20 @@ func TestMsg_RequestMDN(t *testing.T) {
if err := m.RequestMDNToFormat(n, v); err != nil {
t.Errorf("RequestMDNToFormat with a single valid address failed: %s", err)
}
if m.genHeader[HeaderDispositionNotificationTo][0] != fmt.Sprintf(`"%s" <%s>`, n, v) {
t.Errorf(`RequestMDNToFormat with a single valid address failed. Expected: "%s" <%s>, got: %s`, n, v,
m.genHeader[HeaderDispositionNotificationTo][0])
if val := m.genHeader[HeaderDispositionNotificationTo]; val != nil && len(val) > 0 {
if val[0] != fmt.Sprintf(`"%s" <%s>`, n, v) {
t.Errorf(`RequestMDNToFormat with a single valid address failed. Expected: "%s" <%s>, got: %s`, n, v,
val[0])
}
}
if err := m.RequestMDNAddToFormat(n2, v2); err != nil {
t.Errorf("RequestMDNAddToFormat with a valid address failed: %s", err)
}
if m.genHeader[HeaderDispositionNotificationTo][1] != fmt.Sprintf(`"%s" <%s>`, n2, v2) {
t.Errorf(`RequestMDNAddToFormat with a single valid address failed. Expected: "%s" <%s>, got: %s`, n2, v2,
m.genHeader[HeaderDispositionNotificationTo][1])
if val := m.genHeader[HeaderDispositionNotificationTo]; val != nil && len(val) > 1 {
if val[1] != fmt.Sprintf(`"%s" <%s>`, n2, v2) {
t.Errorf(`RequestMDNAddToFormat with a single valid address failed. Expected: "%s" <%s>, got: %s`, n2, v2,
val[1])
}
}
m.Reset()