summaryrefslogtreecommitdiffhomepage
path: root/runsc/test/runtimes/proctor-go.go
blob: c5387e21d9830c141ebf2ea8e8e127920a36340b (plain)
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
// 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.

// Binary proctor-go is a utility that facilitates language testing for Go.

// There are two types of Go tests: "Go tool tests" and "Go tests on disk".
// "Go tool tests" are found and executed using `go tool dist test`.
// "Go tests on disk" are found in the /test directory and are
// executed using `go run run.go`.
package main

import (
	"flag"
	"fmt"
	"log"
	"os"
	"os/exec"
	"path/filepath"
	"regexp"
	"strings"
)

var (
	list    = flag.Bool("list", false, "list all available tests")
	test    = flag.String("test", "", "run a single test from the list of available tests")
	version = flag.Bool("v", false, "print out the version of node that is installed")

	dir       = os.Getenv("LANG_DIR")
	testDir   = filepath.Join(dir, "test")
	testRegEx = regexp.MustCompile(`^.+\.go$`)

	// Directories with .dir contain helper files for tests.
	// Exclude benchmarks and stress tests.
	exclDirs = regexp.MustCompile(`^.+\/(bench|stress)\/.+$|^.+\.dir.+$`)
)

func main() {
	flag.Parse()

	if *list && *test != "" {
		flag.PrintDefaults()
		os.Exit(1)
	}
	if *list {
		tests, err := listTests()
		if err != nil {
			log.Fatalf("Failed to list tests: %v", err)
		}
		for _, test := range tests {
			fmt.Println(test)
		}
		return
	}
	if *version {
		fmt.Println("Go version: ", os.Getenv("LANG_VER"), "  is installed.")
		return
	}
	if *test != "" {
		runTest(*test)
		return
	}
	runAllTests()
}

func listTests() ([]string, error) {
	// Go tool dist test tests.
	args := []string{"tool", "dist", "test", "-list"}
	cmd := exec.Command(filepath.Join(dir, "bin/go"), args...)
	cmd.Stderr = os.Stderr
	out, err := cmd.Output()
	if err != nil {
		log.Fatalf("Failed to list: %v", err)
	}
	var testSlice []string
	for _, test := range strings.Split(string(out), "\n") {
		testSlice = append(testSlice, test)
	}

	// Go tests on disk.
	if err := filepath.Walk(testDir, func(path string, info os.FileInfo, err error) error {
		name := filepath.Base(path)

		if info.IsDir() {
			return nil
		}

		if !testRegEx.MatchString(name) {
			return nil
		}

		if exclDirs.MatchString(path) {
			return nil
		}

		testSlice = append(testSlice, path)
		return nil
	}); err != nil {
		return nil, fmt.Errorf("walking %q: %v", testDir, err)
	}

	return testSlice, nil
}

func runTest(test string) {
	toolArgs := []string{
		"tool",
		"dist",
		"test",
	}
	diskArgs := []string{
		"run",
		"run.go",
		"-v",
	}
	// Check if test exists on disk by searching for file of the same name.
	// This will determine whether or not it is a Go test on disk.
	if _, err := os.Stat(test); err == nil {
		relPath, err := filepath.Rel(testDir, test)
		if err != nil {
			log.Fatalf("Failed to get rel path: %v", err)
		}
		diskArgs = append(diskArgs, "--", relPath)
		cmd := exec.Command(filepath.Join(dir, "bin/go"), diskArgs...)
		cmd.Dir = testDir
		cmd.Stdout, cmd.Stderr = os.Stdout, os.Stderr
		if err := cmd.Run(); err != nil {
			log.Fatalf("Failed to run: %v", err)
		}
	} else if os.IsNotExist(err) {
		// File was not found, try running as Go tool test.
		toolArgs = append(toolArgs, "-run", test)
		cmd := exec.Command(filepath.Join(dir, "bin/go"), toolArgs...)
		cmd.Stdout, cmd.Stderr = os.Stdout, os.Stderr
		if err := cmd.Run(); err != nil {
			log.Fatalf("Failed to run: %v", err)
		}
	} else {
		log.Fatalf("Error searching for test: %v", err)
	}
}

func runAllTests() {
	tests, err := listTests()
	if err != nil {
		log.Fatalf("Failed to list tests: %v", err)
	}
	for _, test := range tests {
		runTest(test)
	}
}