status-im/status-go

// Copyright 2019 The Waku Library Authors.
//
// The Waku library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The Waku library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty off
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the Waku library. If not, see <http://www.gnu.org/licenses/>.
//
// This software uses the go-ethereum library, which is licensed
// under the GNU Lesser General Public Library, version 3 or any later.

package waku

import (
    "bytes"
    "testing"
    "time"

    "github.com/status-im/status-go/waku/common"
)

func TestMultipleTopicCopyInNewMessageFilter(t *testing.T) {
    w := New(nil, nil)

    keyID, err := w.GenerateSymKey()
    if err != nil {
        t.Fatalf("Error generating symmetric key: %v", err)
    }
    api := PublicWakuAPI{
        w:        w,
        lastUsed: make(map[string]time.Time),
    }

    t1 := [4]byte{0xde, 0xea, 0xbe, 0xef}
    t2 := [4]byte{0xca, 0xfe, 0xde, 0xca}

    crit := Criteria{
        SymKeyID: keyID,
        Topics:   []common.TopicType{common.TopicType(t1), common.TopicType(t2)},
    }

    _, err = api.NewMessageFilter(crit)
    if err != nil {
        t.Fatalf("Error creating the filter: %v", err)
    }

    found := false
    candidates := w.filters.GetWatchersByTopic(t1)
    for _, f := range candidates {
        if len(f.Topics) == 2 {
            if bytes.Equal(f.Topics[0], t1[:]) && bytes.Equal(f.Topics[1], t2[:]) {
                found = true
            }
        }
    }

    if !found {
        t.Fatalf("Could not find filter with both topics")
    }
}