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// 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 runs the test for a particular runtime. It is meant to be
// included in Docker images for all runtime tests.
package main
import (
"flag"
"fmt"
"log"
"os"
"os/exec"
"path/filepath"
"regexp"
)
// TestRunner is an interface that must be implemented for each runtime
// integrated with proctor.
type TestRunner interface {
// ListTests returns a string slice of tests available to run.
ListTests() ([]string, error)
// TestCmd returns an *exec.Cmd that will run the given test.
TestCmd(test string) *exec.Cmd
}
var (
runtime = flag.String("runtime", "", "name of runtime")
list = flag.Bool("list", false, "list all available tests")
test = flag.String("test", "", "run a single test from the list of available tests")
)
func main() {
flag.Parse()
if *runtime == "" {
log.Fatalf("runtime flag must be provided")
}
tr, err := testRunnerForRuntime(*runtime)
if err != nil {
log.Fatalf("%v", err)
}
// List tests.
if *list {
tests, err := tr.ListTests()
if err != nil {
log.Fatalf("failed to list tests: %v", err)
}
for _, test := range tests {
fmt.Println(test)
}
return
}
// Run a single test.
if *test == "" {
log.Fatalf("test flag must be provided")
}
cmd := tr.TestCmd(*test)
cmd.Stdout, cmd.Stderr = os.Stdout, os.Stderr
if err := cmd.Run(); err != nil {
log.Fatalf("FAIL %q: %v", err)
}
}
// testRunnerForRuntime returns a new TestRunner for the given runtime.
func testRunnerForRuntime(runtime string) (TestRunner, error) {
switch runtime {
case "go":
return goRunner{}, nil
case "java":
return javaRunner{}, nil
case "nodejs":
return nodejsRunner{}, nil
case "php":
return phpRunner{}, nil
case "python":
return pythonRunner{}, nil
}
return nil, fmt.Errorf("invalid runtime %q", runtime)
}
// search is a helper function to find tests in the given directory that match
// the regex.
func search(root string, testFilter *regexp.Regexp) ([]string, error) {
var testSlice []string
err := filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
name := filepath.Base(path)
if info.IsDir() || !testFilter.MatchString(name) {
return nil
}
relPath, err := filepath.Rel(root, path)
if err != nil {
return err
}
testSlice = append(testSlice, relPath)
return nil
})
if err != nil {
return nil, fmt.Errorf("walking %q: %v", root, err)
}
return testSlice, nil
}
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