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package msg
import (
"testing"
)
func TestParseUnsubscribe(t *testing.T) {
type tc struct {
hdr string
expected []string
}
cases := []*tc{
{"", []string{}},
{"invalid", []string{}},
{"<https://example.com>, <http://example.com>", []string{
"https://example.com", "http://example.com",
}},
{"<https://example.com> is a URL", []string{
"https://example.com",
}},
{
"<mailto:user@host?subject=unsubscribe>, <https://example.com>",
[]string{
"mailto:user@host?subject=unsubscribe", "https://example.com",
},
},
{"<>, <https://example> ", []string{
"", "https://example",
}},
}
for _, c := range cases {
result := parseUnsubscribeMethods(c.hdr)
if len(result) != len(c.expected) {
t.Errorf("expected %d methods but got %d", len(c.expected), len(result))
continue
}
for idx := 0; idx < len(result); idx++ {
if result[idx].String() != c.expected[idx] {
t.Errorf("expected %v but got %v", c.expected[idx], result[idx])
}
}
}
}
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