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// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum 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 go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package simulation
import (
"sync"
"testing"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
)
// TestServiceBucket tests all bucket functionality using subtests.
// It constructs a simulation of two nodes by adding items to their buckets
// in ServiceFunc constructor, then by SetNodeItem. Testing UpNodesItems
// is done by stopping one node and validating availability of its items.
func TestServiceBucket(t *testing.T) {
testKey := "Key"
testValue := "Value"
sim := New(map[string]ServiceFunc{
"noop": func(ctx *adapters.ServiceContext, b *sync.Map) (node.Service, func(), error) {
b.Store(testKey, testValue+ctx.Config.ID.String())
return newNoopService(), nil, nil
},
})
defer sim.Close()
id1, err := sim.AddNode()
if err != nil {
t.Fatal(err)
}
id2, err := sim.AddNode()
if err != nil {
t.Fatal(err)
}
t.Run("ServiceFunc bucket Store", func(t *testing.T) {
v, ok := sim.NodeItem(id1, testKey)
if !ok {
t.Fatal("bucket item not found")
}
s, ok := v.(string)
if !ok {
t.Fatal("bucket item value is not string")
}
if s != testValue+id1.String() {
t.Fatalf("expected %q, got %q", testValue+id1.String(), s)
}
v, ok = sim.NodeItem(id2, testKey)
if !ok {
t.Fatal("bucket item not found")
}
s, ok = v.(string)
if !ok {
t.Fatal("bucket item value is not string")
}
if s != testValue+id2.String() {
t.Fatalf("expected %q, got %q", testValue+id2.String(), s)
}
})
customKey := "anotherKey"
customValue := "anotherValue"
t.Run("SetNodeItem", func(t *testing.T) {
sim.SetNodeItem(id1, customKey, customValue)
v, ok := sim.NodeItem(id1, customKey)
if !ok {
t.Fatal("bucket item not found")
}
s, ok := v.(string)
if !ok {
t.Fatal("bucket item value is not string")
}
if s != customValue {
t.Fatalf("expected %q, got %q", customValue, s)
}
_, ok = sim.NodeItem(id2, customKey)
if ok {
t.Fatal("bucket item should not be found")
}
})
if err := sim.StopNode(id2); err != nil {
t.Fatal(err)
}
t.Run("UpNodesItems", func(t *testing.T) {
items := sim.UpNodesItems(testKey)
v, ok := items[id1]
if !ok {
t.Errorf("node 1 item not found")
}
s, ok := v.(string)
if !ok {
t.Fatal("node 1 item value is not string")
}
if s != testValue+id1.String() {
t.Fatalf("expected %q, got %q", testValue+id1.String(), s)
}
_, ok = items[id2]
if ok {
t.Errorf("node 2 item should not be found")
}
})
t.Run("NodeItems", func(t *testing.T) {
items := sim.NodesItems(testKey)
v, ok := items[id1]
if !ok {
t.Errorf("node 1 item not found")
}
s, ok := v.(string)
if !ok {
t.Fatal("node 1 item value is not string")
}
if s != testValue+id1.String() {
t.Fatalf("expected %q, got %q", testValue+id1.String(), s)
}
v, ok = items[id2]
if !ok {
t.Errorf("node 2 item not found")
}
s, ok = v.(string)
if !ok {
t.Fatal("node 1 item value is not string")
}
if s != testValue+id2.String() {
t.Fatalf("expected %q, got %q", testValue+id2.String(), s)
}
})
}
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