aboutsummaryrefslogtreecommitdiffstats
path: root/core/nonblocking-application_test.go
blob: 336eea00d631816b248c6e96887484654c8924df (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
// Copyright 2018 The dexon-consensus-core Authors
// This file is part of the dexon-consensus-core library.
//
// The dexon-consensus-core 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 dexon-consensus-core 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 dexon-consensus-core library. If not, see
// <http://www.gnu.org/licenses/>.

package core

import (
    "testing"
    "time"

    "github.com/stretchr/testify/suite"

    "github.com/dexon-foundation/dexon-consensus-core/common"
    "github.com/dexon-foundation/dexon-consensus-core/core/types"
)

type slowApp struct {
    sleep                time.Duration
    stronglyAcked        map[common.Hash]struct{}
    totalOrderingDeliver map[common.Hash]struct{}
    deliverBlock         map[common.Hash]struct{}
    notaryAck            map[common.Hash]struct{}
}

func newSlowApp(sleep time.Duration) *slowApp {
    return &slowApp{
        sleep:                sleep,
        stronglyAcked:        make(map[common.Hash]struct{}),
        totalOrderingDeliver: make(map[common.Hash]struct{}),
        deliverBlock:         make(map[common.Hash]struct{}),
        notaryAck:            make(map[common.Hash]struct{}),
    }
}

func (app *slowApp) StronglyAcked(blockHash common.Hash) {
    time.Sleep(app.sleep)
    app.stronglyAcked[blockHash] = struct{}{}
}

func (app *slowApp) TotalOrderingDeliver(blockHashes common.Hashes, early bool) {
    time.Sleep(app.sleep)
    for _, hash := range blockHashes {
        app.totalOrderingDeliver[hash] = struct{}{}
    }
}

func (app *slowApp) DeliverBlock(blockHash common.Hash, timestamp time.Time) {
    time.Sleep(app.sleep)
    app.deliverBlock[blockHash] = struct{}{}
}

func (app *slowApp) NotaryAckDeliver(notaryAck *types.NotaryAck) {
    time.Sleep(app.sleep)
    app.notaryAck[notaryAck.Hash] = struct{}{}
}

type NonBlockingAppTestSuite struct {
    suite.Suite
}

func (s *NonBlockingAppTestSuite) TestNonBlockingApplication() {
    sleep := 50 * time.Millisecond
    app := newSlowApp(sleep)
    nbapp := newNonBlockingApplication(app)
    hashes := make(common.Hashes, 10)
    for idx := range hashes {
        hashes[idx] = common.NewRandomHash()
    }
    now := time.Now().UTC()
    shouldFinish := now.Add(100 * time.Millisecond)

    // Start doing some 'heavy' job.
    for _, hash := range hashes {
        nbapp.StronglyAcked(hash)
        nbapp.DeliverBlock(hash, time.Now().UTC())
        nbapp.NotaryAckDeliver(&types.NotaryAck{Hash: hash})
    }
    nbapp.TotalOrderingDeliver(hashes, true)

    // nonBlockingApplication should be non-blocking.
    s.True(shouldFinish.After(time.Now().UTC()))

    nbapp.wait()
    for _, hash := range hashes {
        s.Contains(app.stronglyAcked, hash)
        s.Contains(app.totalOrderingDeliver, hash)
        s.Contains(app.deliverBlock, hash)
        s.Contains(app.notaryAck, hash)
    }
}

func TestNonBlockingApplication(t *testing.T) {
    suite.Run(t, new(NonBlockingAppTestSuite))
}