/usr/share/gocode/src/github.com/mesos/mesos-go/detector/standalone_test.go is in golang-github-mesos-mesos-go-dev 0.0.2+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 | package detector
import (
"sync"
"testing"
"time"
"github.com/gogo/protobuf/proto"
mesos "github.com/mesos/mesos-go/mesosproto"
"github.com/mesos/mesos-go/upid"
"github.com/stretchr/testify/assert"
"golang.org/x/net/context"
)
const (
localhost = uint32(2130706433) // packed uint32 for 127.0.0.1 IPv4
)
func TestStandalone_nil(t *testing.T) {
d := NewStandalone(nil)
select {
case <-d.Done(): // expected
t.Fatalf("expected detector to stay alive since we haven't done anything with it")
case <-time.After(500 * time.Millisecond):
}
d.Detect(nil)
select {
case <-d.Done(): // expected
case <-time.After(1 * time.Second):
t.Fatalf("expected detector to shutdown since it has no master")
}
}
func TestStandalone_pollerIncompleteInfo(t *testing.T) {
d := NewStandalone(&mesos.MasterInfo{})
f := fetcherFunc(func(context.Context, string) (*upid.UPID, error) {
return nil, nil
})
ch := make(chan struct{})
go func() {
defer close(ch)
d.poller(f)
}()
select {
case <-ch: // expected
case <-time.After(1 * time.Second):
t.Fatalf("expected poller to shutdown since master info is incomplete")
}
select {
case <-d.Done(): // expected
case <-time.After(1 * time.Second):
t.Fatalf("expected detector to shutdown since it has no master")
}
}
func TestStandalone_pollerFetched(t *testing.T) {
assert := assert.New(t)
// presence of IP address allows fecher to be called
d := NewStandalone(&mesos.MasterInfo{Ip: proto.Uint32(localhost)})
defer d.Cancel()
fetched := make(chan struct{})
pid := &upid.UPID{
ID: "foo@127.0.0.1:5050",
Host: "127.0.0.1",
Port: "5050",
}
f := fetcherFunc(func(ctx context.Context, addr string) (*upid.UPID, error) {
defer close(fetched)
assert.Equal("127.0.0.1:5050", addr)
return pid, nil
})
go d.poller(f)
// fetch called
select {
case <-fetched: // expected
case <-time.After(1 * time.Second):
t.Fatalf("expected fetch")
}
// read MasterInfo
select {
case mi := <-d.ch:
assert.Equal(mi, CreateMasterInfo(pid))
case <-time.After(1 * time.Second):
t.Fatalf("expected poller to send master info")
}
}
func TestStandalone_pollerFetchedMulti(t *testing.T) {
assert := assert.New(t)
// presence of IP address allows fecher to be called
d := NewStandalone(&mesos.MasterInfo{Ip: proto.Uint32(localhost)})
defer d.Cancel()
d.leaderSyncInterval = 500 * time.Millisecond
i := 0
var wg sync.WaitGroup
wg.Add(4)
f := fetcherFunc(func(ctx context.Context, addr string) (*upid.UPID, error) {
defer func() { i++ }()
switch i {
case 0:
wg.Done()
assert.Equal("127.0.0.1:5050", addr)
return &upid.UPID{ID: "foo@127.0.0.1:5050", Host: "127.0.0.1", Port: "5050"}, nil
case 1:
wg.Done()
assert.Equal("127.0.0.1:5050", addr)
return &upid.UPID{ID: "foo@127.0.0.2:5050", Host: "127.0.0.2", Port: "5050"}, nil
case 2:
wg.Done()
return nil, context.DeadlineExceeded
case 3:
wg.Done()
assert.Equal("127.0.0.1:5050", addr)
return &upid.UPID{ID: "foo@127.0.0.3:5050", Host: "127.0.0.3", Port: "5050"}, nil
default:
d.Cancel()
return nil, context.Canceled
}
})
go d.poller(f)
// fetches complete
ch := make(chan struct{})
go func() {
defer close(ch)
wg.Wait()
}()
changed := make(chan struct{})
go func() {
defer close(changed)
for i := 0; i < 4; i++ {
if mi, ok := <-d.ch; !ok {
t.Fatalf("failed to read master info on cycle %v", i)
break
} else {
switch i {
case 0:
assert.Equal(CreateMasterInfo(&upid.UPID{ID: "foo@127.0.0.1:5050", Host: "127.0.0.1", Port: "5050"}), mi)
case 1:
assert.Equal(CreateMasterInfo(&upid.UPID{ID: "foo@127.0.0.2:5050", Host: "127.0.0.2", Port: "5050"}), mi)
case 2:
assert.Nil(mi)
case 3:
assert.Equal(CreateMasterInfo(&upid.UPID{ID: "foo@127.0.0.3:5050", Host: "127.0.0.3", Port: "5050"}), mi)
}
}
}
}()
started := time.Now()
select {
case <-ch: // expected
case <-time.After(3 * time.Second):
t.Fatalf("expected fetches all complete")
}
select {
case <-changed: // expected
case <-time.After((3 * time.Second) - time.Now().Sub(started)):
t.Fatalf("expected to have received all master info changes")
}
}
|