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rpc/client: handle client creation error in new wsclient
Client returns error if it can't parse endpoint string. WSClient should check client error or there could be panic at `cl.cli = nil` expression.
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parent
f0abbfd399
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2 changed files with 19 additions and 0 deletions
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@ -71,6 +71,10 @@ const (
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// connection). You need to use websocket URL for it like `ws://1.2.3.4/ws`.
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func NewWS(ctx context.Context, endpoint string, opts Options) (*WSClient, error) {
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cl, err := New(ctx, endpoint, opts)
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if err != nil {
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return nil, err
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}
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cl.cli = nil
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dialer := websocket.Dialer{HandshakeTimeout: opts.DialTimeout}
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@ -4,6 +4,7 @@ import (
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"context"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"time"
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@ -247,3 +248,17 @@ func TestWSFilteredSubscriptions(t *testing.T) {
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})
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}
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}
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func TestNewWS(t *testing.T) {
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srv := initTestServer(t, "")
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defer srv.Close()
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t.Run("good", func(t *testing.T) {
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_, err := NewWS(context.TODO(), httpURLtoWS(srv.URL), Options{})
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require.NoError(t, err)
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})
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t.Run("bad URL", func(t *testing.T) {
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_, err := NewWS(context.TODO(), strings.Trim(srv.URL, "http://"), Options{})
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require.Error(t, err)
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})
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}
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