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
|
package grpctool
import (
"context"
"io"
"testing"
"time"
"github.com/golang/mock/gomock"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"gitlab.com/gitlab-org/cluster-integration/gitlab-agent/v16/internal/tool/testing/mock_tool"
"gitlab.com/gitlab-org/cluster-integration/gitlab-agent/v16/internal/tool/tlstool"
"go.uber.org/zap/zaptest"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/credentials/insecure"
clocktesting "k8s.io/utils/clock/testing"
)
const (
t1 = "grpc://127.0.0.1:1"
t2 = "grpc://127.0.0.1:2"
)
var (
_ PoolInterface = (*Pool)(nil)
_ PoolConn = (*poolConn)(nil)
_ PoolInterface = (*PoolSelf)(nil)
_ PoolConn = (*selfPoolConn)(nil)
)
func TestKasPool_DialConnDifferentPort(t *testing.T) {
ctrl := gomock.NewController(t)
rep := mock_tool.NewMockErrReporter(ctrl)
p := NewPool(zaptest.NewLogger(t), rep, credentials.NewTLS(tlstool.DefaultClientTLSConfig()))
defer clz(t, p)
c1, err := p.Dial(context.Background(), t1)
require.NoError(t, err)
c1.Done()
c2, err := p.Dial(context.Background(), t2)
require.NoError(t, err)
assert.NotSame(t, c1, c2)
c2.Done()
}
func TestKasPool_DialConnSequentialReuse(t *testing.T) {
ctrl := gomock.NewController(t)
rep := mock_tool.NewMockErrReporter(ctrl)
p := NewPool(zaptest.NewLogger(t), rep, credentials.NewTLS(tlstool.DefaultClientTLSConfig()))
defer clz(t, p)
c1, err := p.Dial(context.Background(), t1)
require.NoError(t, err)
c1.Done()
c2, err := p.Dial(context.Background(), t1)
require.NoError(t, err)
assert.Same(t, c1.(*poolConn).ClientConn, c2.(*poolConn).ClientConn)
c2.Done()
}
func TestKasPool_DialConnConcurrentReuse(t *testing.T) {
ctrl := gomock.NewController(t)
rep := mock_tool.NewMockErrReporter(ctrl)
p := NewPool(zaptest.NewLogger(t), rep, credentials.NewTLS(tlstool.DefaultClientTLSConfig()))
defer clz(t, p)
c1, err := p.Dial(context.Background(), t1)
require.NoError(t, err)
c2, err := p.Dial(context.Background(), t1)
require.NoError(t, err)
assert.Same(t, c1.(*poolConn).ClientConn, c2.(*poolConn).ClientConn)
c1.Done()
c2.Done()
}
func TestKasPool_CloseClosesAllConnections(t *testing.T) {
ctrl := gomock.NewController(t)
rep := mock_tool.NewMockErrReporter(ctrl)
p := NewPool(zaptest.NewLogger(t), rep, credentials.NewTLS(tlstool.DefaultClientTLSConfig()))
c, err := p.Dial(context.Background(), t1)
require.NoError(t, err)
c.Done()
require.NoError(t, p.Close())
assert.Empty(t, p.conns)
}
func TestKasPool_DonePanicsOnMultipleInvocations(t *testing.T) {
ctrl := gomock.NewController(t)
rep := mock_tool.NewMockErrReporter(ctrl)
p := NewPool(zaptest.NewLogger(t), rep, credentials.NewTLS(tlstool.DefaultClientTLSConfig()))
defer clz(t, p)
c, err := p.Dial(context.Background(), t1)
require.NoError(t, err)
c.Done()
assert.PanicsWithError(t, "pool connection Done() called more than once", func() {
c.Done()
})
}
func TestKasPool_DoneEvictsExpiredIdleConnections(t *testing.T) {
start := time.Now()
tClock := clocktesting.NewFakePassiveClock(start)
p := &Pool{
log: zaptest.NewLogger(t),
dialOpts: []grpc.DialOption{grpc.WithTransportCredentials(insecure.NewCredentials())},
conns: map[string]*connHolder{},
clk: tClock,
}
defer clz(t, p)
c1, err := p.Dial(context.Background(), t1)
require.NoError(t, err)
c1.Done()
tClock.SetTime(start.Add(2 * evictIdleConnAfter))
p.runGcLocked()
assert.Empty(t, p.conns)
}
func clz(t *testing.T, c io.Closer) {
assert.NoError(t, c.Close())
}
|
