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
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
|
package state
import (
"cmp"
"iter"
"os"
"reflect"
"slices"
"strconv"
"strings"
"syscall"
"testing"
"hakurei.app/container/check"
"hakurei.app/hst"
)
func TestStateStoreBigLock(t *testing.T) {
t.Parallel()
{
s := newStore(check.MustAbs(t.TempDir()).Append("state"))
for i := 0; i < 2; i++ { // check once behaviour
if unlock, err := s.bigLock(); err != nil {
t.Fatalf("bigLock: error = %v", err)
} else {
unlock()
}
}
}
t.Run("mkdir", func(t *testing.T) {
t.Parallel()
wantErr := &hst.AppError{Step: "create state store directory",
Err: &os.PathError{Op: "mkdir", Path: "/proc/nonexistent", Err: syscall.ENOENT}}
for i := 0; i < 2; i++ { // check once behaviour
if _, err := newStore(check.MustAbs("/proc/nonexistent")).bigLock(); !reflect.DeepEqual(err, wantErr) {
t.Errorf("bigLock: error = %#v, want %#v", err, wantErr)
}
}
})
t.Run("access", func(t *testing.T) {
t.Parallel()
base := check.MustAbs(t.TempDir()).Append("inaccessible")
if err := os.MkdirAll(base.String(), 0); err != nil {
t.Fatal(err.Error())
}
wantErr := &hst.AppError{Step: "acquire lock on the state store",
Err: &os.PathError{Op: "open", Path: base.Append(storeMutexName).String(), Err: syscall.EACCES}}
if _, err := newStore(base).bigLock(); !reflect.DeepEqual(err, wantErr) {
t.Errorf("bigLock: error = %#v, want %#v", err, wantErr)
}
})
}
func TestStateStoreIdentityHandle(t *testing.T) {
t.Parallel()
t.Run("loadstore", func(t *testing.T) {
t.Parallel()
s := newStore(check.MustAbs(t.TempDir()).Append("store"))
var handleAddr [8]*storeHandle
checkHandle := func(identity int, load bool) {
if h, err := s.identityHandle(identity); err != nil {
t.Fatalf("identityHandle: error = %v", err)
} else if load != (handleAddr[identity] != nil) {
t.Fatalf("identityHandle: load = %v, want %v", load, handleAddr[identity] != nil)
} else if !load {
handleAddr[identity] = h
if h.identity != identity {
t.Errorf("identityHandle: identity = %d, want %d", h.identity, identity)
}
} else if h != handleAddr[identity] {
t.Fatalf("identityHandle: %p, want %p", h, handleAddr[identity])
}
}
checkHandle(0, false)
checkHandle(1, false)
checkHandle(2, false)
checkHandle(3, false)
checkHandle(7, false)
checkHandle(7, true)
checkHandle(2, true)
checkHandle(1, true)
checkHandle(2, true)
checkHandle(0, true)
})
t.Run("access", func(t *testing.T) {
t.Parallel()
base := check.MustAbs(t.TempDir()).Append("inaccessible")
if err := os.MkdirAll(base.String(), 0); err != nil {
t.Fatal(err.Error())
}
wantErr := &hst.AppError{Step: "acquire lock on the state store",
Err: &os.PathError{Op: "open", Path: base.Append(storeMutexName).String(), Err: syscall.EACCES}}
if _, err := newStore(base).identityHandle(0); !reflect.DeepEqual(err, wantErr) {
t.Errorf("identityHandle: error = %#v, want %#v", err, wantErr)
}
})
t.Run("access segment", func(t *testing.T) {
t.Parallel()
base := check.MustAbs(t.TempDir()).Append("inaccessible")
if err := os.MkdirAll(base.String(), 0700); err != nil {
t.Fatal(err.Error())
}
if f, err := os.Create(base.Append(storeMutexName).String()); err != nil {
t.Fatal(err.Error())
} else if err = f.Close(); err != nil {
t.Fatal(err.Error())
}
if err := os.Chmod(base.String(), 0100); err != nil {
t.Fatal(err.Error())
}
t.Cleanup(func() {
if err := os.Chmod(base.String(), 0700); err != nil {
t.Fatal(err.Error())
}
})
wantErr := &hst.AppError{Step: "create store segment directory",
Err: &os.PathError{Op: "mkdir", Path: base.Append("0").String(), Err: syscall.EACCES}}
if _, err := newStore(base).identityHandle(0); !reflect.DeepEqual(err, wantErr) {
t.Errorf("identityHandle: error = %#v, want %#v", err, wantErr)
}
})
}
func TestStateStoreSegments(t *testing.T) {
t.Parallel()
testCases := []struct {
name string
ents [2][]string
want []segmentIdentity
ext func(t *testing.T, segments iter.Seq[segmentIdentity], n int)
}{
{"errors", [2][]string{{
"f0-invalid-file",
}, {
"f1-invalid-syntax",
"9999",
"16384",
}}, []segmentIdentity{
{-1, &hst.AppError{Step: "process store segment", Err: syscall.EISDIR,
Msg: `skipped non-directory entry "f0-invalid-file"`}},
{-1, &hst.AppError{Step: "process store segment", Err: syscall.ERANGE,
Msg: `skipped out of bounds entry 16384`}},
{-1, &hst.AppError{Step: "process store segment",
Err: &strconv.NumError{Func: "Atoi", Num: "f1-invalid-syntax", Err: strconv.ErrSyntax},
Msg: `skipped non-identity entry "f1-invalid-syntax"`}},
{9999, nil},
}, nil},
{"success", [2][]string{{
"lock",
}, {
"0",
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"9",
"13",
"20",
"31",
"197",
}}, []segmentIdentity{
{0, nil},
{1, nil},
{2, nil},
{3, nil},
{4, nil},
{5, nil},
{6, nil},
{7, nil},
{9, nil},
{13, nil},
{20, nil},
{31, nil},
{197, nil},
}, func(t *testing.T, segments iter.Seq[segmentIdentity], n int) {
if n != 13 {
t.Fatalf("segments: n = %d", n)
}
// check partial drain
for range segments {
break
}
}},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
base := check.MustAbs(t.TempDir()).Append("store")
if err := os.Mkdir(base.String(), 0700); err != nil {
t.Fatal(err.Error())
}
createEntries(t, base, tc.ents)
var got []segmentIdentity
if segments, n, err := newStore(base).segments(); err != nil {
t.Fatalf("segments: error = %v", err)
} else {
got = slices.AppendSeq(make([]segmentIdentity, 0, n), segments)
if tc.ext != nil {
tc.ext(t, segments, n)
}
}
slices.SortFunc(got, func(a, b segmentIdentity) int {
if a.identity == b.identity {
return strings.Compare(a.err.Error(), b.err.Error())
}
return cmp.Compare(a.identity, b.identity)
})
if !reflect.DeepEqual(got, tc.want) {
t.Errorf("segments: %#v, want %#v", got, tc.want)
}
})
}
t.Run("access", func(t *testing.T) {
t.Parallel()
base := check.MustAbs(t.TempDir()).Append("inaccessible")
if err := os.MkdirAll(base.String(), 0); err != nil {
t.Fatal(err.Error())
}
wantErr := &hst.AppError{Step: "acquire lock on the state store",
Err: &os.PathError{Op: "open", Path: base.Append(storeMutexName).String(), Err: syscall.EACCES}}
if _, _, err := newStore(base).segments(); !reflect.DeepEqual(err, wantErr) {
t.Errorf("segments: error = %#v, want %#v", err, wantErr)
}
})
}
|
