1 files changed, 161 insertions, 0 deletions
diff --git a/test/runtimes/go/proctor-go.go b/test/runtimes/go/proctor-go.go
new file mode 100644
index 000000000..c5387e21d
--- /dev/null
+++ b/test/runtimes/go/proctor-go.go
@@ -0,0 +1,161 @@
+// 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)
+	}
+}