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
|
// Copyright 2019 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package lib provides utilities for runner.
package lib
import (
"context"
"encoding/csv"
"fmt"
"io"
"os"
"sort"
"strings"
"testing"
"time"
"gvisor.dev/gvisor/pkg/log"
"gvisor.dev/gvisor/pkg/test/dockerutil"
"gvisor.dev/gvisor/pkg/test/testutil"
)
// RunTests is a helper that is called by main. It exists so that we can run
// defered functions before exiting. It returns an exit code that should be
// passed to os.Exit.
func RunTests(lang, image, excludeFile string, partitionNum, totalPartitions, batchSize int, timeout time.Duration) int {
if partitionNum <= 0 || totalPartitions <= 0 || partitionNum > totalPartitions {
fmt.Fprintf(os.Stderr, "invalid partition %d of %d", partitionNum, totalPartitions)
return 1
}
// TODO(gvisor.dev/issue/1624): Remove those tests from all exclude lists
// that only fail with VFS1.
// Get tests to exclude.
excludes, err := getExcludes(excludeFile)
if err != nil {
fmt.Fprintf(os.Stderr, "Error getting exclude list: %s\n", err.Error())
return 1
}
// Construct the shared docker instance.
ctx := context.Background()
d := dockerutil.MakeContainer(ctx, testutil.DefaultLogger(lang))
defer d.CleanUp(ctx)
if err := testutil.TouchShardStatusFile(); err != nil {
fmt.Fprintf(os.Stderr, "error touching status shard file: %v\n", err)
return 1
}
// Get a slice of tests to run. This will also start a single Docker
// container that will be used to run each test. The final test will
// stop the Docker container.
tests, err := getTests(ctx, d, lang, image, partitionNum, totalPartitions, batchSize, timeout, excludes)
if err != nil {
fmt.Fprintf(os.Stderr, "%s\n", err.Error())
return 1
}
m := testing.MainStart(testDeps{}, tests, nil, nil)
return m.Run()
}
// getTests executes all tests as table tests.
func getTests(ctx context.Context, d *dockerutil.Container, lang, image string, partitionNum, totalPartitions, batchSize int, timeout time.Duration, excludes map[string]struct{}) ([]testing.InternalTest, error) {
// Start the container.
opts := dockerutil.RunOpts{
Image: fmt.Sprintf("runtimes/%s", image),
}
d.CopyFiles(&opts, "/proctor", "test/runtimes/proctor/proctor")
if err := d.Spawn(ctx, opts, "/proctor/proctor", "--pause"); err != nil {
return nil, fmt.Errorf("docker run failed: %v", err)
}
// Get a list of all tests in the image.
list, err := d.Exec(ctx, dockerutil.ExecOpts{}, "/proctor/proctor", "--runtime", lang, "--list")
if err != nil {
return nil, fmt.Errorf("docker exec failed: %v", err)
}
// Calculate a subset of tests to run corresponding to the current
// shard.
tests := strings.Fields(list)
sort.Strings(tests)
partitionSize := len(tests) / totalPartitions
if partitionNum == totalPartitions {
tests = tests[(partitionNum-1)*partitionSize:]
} else {
tests = tests[(partitionNum-1)*partitionSize : partitionNum*partitionSize]
}
indices, err := testutil.TestIndicesForShard(len(tests))
if err != nil {
return nil, fmt.Errorf("TestsForShard() failed: %v", err)
}
var itests []testing.InternalTest
for i := 0; i < len(indices); i += batchSize {
var tcs []string
end := i + batchSize
if end > len(indices) {
end = len(indices)
}
for _, tc := range indices[i:end] {
// Add test if not excluded.
if _, ok := excludes[tests[tc]]; ok {
log.Infof("Skipping test case %s\n", tests[tc])
continue
}
tcs = append(tcs, tests[tc])
}
itests = append(itests, testing.InternalTest{
Name: strings.Join(tcs, ", "),
F: func(t *testing.T) {
var (
now = time.Now()
done = make(chan struct{})
output string
err error
)
state, err := d.Status(ctx)
if err != nil {
t.Fatalf("Could not find container status: %v", err)
}
if !state.Running {
t.Fatalf("container is not running: state = %s", state.Status)
}
go func() {
output, err = d.Exec(ctx, dockerutil.ExecOpts{}, "/proctor/proctor", "--runtime", lang, "--tests", strings.Join(tcs, ","))
close(done)
}()
select {
case <-done:
if err == nil {
fmt.Printf("PASS: (%v) %d tests passed\n", time.Since(now), len(tcs))
return
}
t.Errorf("FAIL: (%v):\nBatch:\n%s\nOutput:\n%s\n", time.Since(now), strings.Join(tcs, "\n"), output)
case <-time.After(timeout):
t.Errorf("TIMEOUT: (%v):\nBatch:\n%s\nOutput:\n%s\n", time.Since(now), strings.Join(tcs, "\n"), output)
}
},
})
}
return itests, nil
}
// getBlacklist reads the exclude file and returns a set of test names to
// exclude.
func getExcludes(excludeFile string) (map[string]struct{}, error) {
excludes := make(map[string]struct{})
if excludeFile == "" {
return excludes, nil
}
f, err := os.Open(excludeFile)
if err != nil {
return nil, err
}
defer f.Close()
r := csv.NewReader(f)
// First line is header. Skip it.
if _, err := r.Read(); err != nil {
return nil, err
}
for {
record, err := r.Read()
if err == io.EOF {
break
}
if err != nil {
return nil, err
}
excludes[record[0]] = struct{}{}
}
return excludes, nil
}
// testDeps implements testing.testDeps (an unexported interface), and is
// required to use testing.MainStart.
type testDeps struct{}
func (f testDeps) MatchString(a, b string) (bool, error) { return a == b, nil }
func (f testDeps) StartCPUProfile(io.Writer) error { return nil }
func (f testDeps) StopCPUProfile() {}
func (f testDeps) WriteProfileTo(string, io.Writer, int) error { return nil }
func (f testDeps) ImportPath() string { return "" }
func (f testDeps) StartTestLog(io.Writer) {}
func (f testDeps) StopTestLog() error { return nil }
|
