Add func Unsubscribe.Filters

gregoryv · Oct 22, 2023 · 4ddc97f · 4ddc97f
1 parent 4b1d1ed
commit 4ddc97f
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diff --git a/changelog.md b/changelog.md
@@ -6,6 +6,7 @@ and this project adheres to http://semver.org/spec/v2.0.0.html.
 
 ## [unreleased]
 
+- Add func Unsubscribe.Filters
 - Update dependencies
 
 ## [0.27.0] 2023-01-15

diff --git a/unsubscribe.go b/unsubscribe.go
@@ -52,6 +52,13 @@ func (p *Unsubscribe) PacketID() uint16     { return uint16(p.packetID) }
 func (p *Unsubscribe) AddFilter(filter string) {
 	p.filters = append(p.filters, wstring(filter))
 }
+func (p *Unsubscribe) Filters() []string {
+	res := make([]string, len(p.filters))
+	for i, v := range p.filters {
+		res[i] = string(v)
+	}
+	return res
+}
 
 func (p *Unsubscribe) WriteTo(w io.Writer) (int64, error) {
 	b := make([]byte, p.width())

diff --git a/unsubscribe_test.go b/unsubscribe_test.go
@@ -35,6 +35,9 @@ func TestUnsubscribe(t *testing.T) {
 	s.AddFilter("a/b/c")
 	s.AddFilter("d/e")
 
+	if v := s.Filters(); len(v) != 2 {
+		t.Error("expect 2 filters, got", v)
+	}	
 	if v := s.String(); !strings.Contains(v, "SUBSCRIBE --1-") {
 		t.Errorf("%q expect to contain %q", v, "SUBSCRIBE --1-")
 	}