115 lines
2.9 KiB
Go
115 lines
2.9 KiB
Go
// Copyright 2019 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package common executes functions for proctor binaries.
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package common
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import (
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"flag"
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"fmt"
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"os"
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"path/filepath"
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"regexp"
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)
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var (
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list = flag.Bool("list", false, "list all available tests")
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test = flag.String("test", "", "run a single test from the list of available tests")
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version = flag.Bool("v", false, "print out the version of node that is installed")
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)
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// TestRunner is an interface to be implemented in each proctor binary.
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type TestRunner interface {
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// ListTests returns a string slice of tests available to run.
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ListTests() ([]string, error)
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// RunTest runs a single test.
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RunTest(test string) error
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}
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// LaunchFunc parses flags passed by a proctor binary and calls the requested behavior.
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func LaunchFunc(tr TestRunner) error {
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flag.Parse()
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if *list && *test != "" {
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flag.PrintDefaults()
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return fmt.Errorf("cannot specify 'list' and 'test' flags simultaneously")
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}
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if *list {
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tests, err := tr.ListTests()
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if err != nil {
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return fmt.Errorf("failed to list tests: %v", err)
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}
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for _, test := range tests {
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fmt.Println(test)
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}
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return nil
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}
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if *version {
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fmt.Println(os.Getenv("LANG_NAME"), "version:", os.Getenv("LANG_VER"), "is installed.")
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return nil
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}
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if *test != "" {
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if err := tr.RunTest(*test); err != nil {
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return fmt.Errorf("test %q failed to run: %v", *test, err)
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}
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return nil
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}
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if err := runAllTests(tr); err != nil {
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return fmt.Errorf("error running all tests: %v", err)
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}
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return nil
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}
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// Search uses filepath.Walk to perform a search of the disk for test files
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// and returns a string slice of tests.
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func Search(root string, testFilter *regexp.Regexp) ([]string, error) {
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var testSlice []string
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err := filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
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name := filepath.Base(path)
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if info.IsDir() || !testFilter.MatchString(name) {
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return nil
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}
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relPath, err := filepath.Rel(root, path)
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if err != nil {
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return err
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}
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testSlice = append(testSlice, relPath)
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return nil
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})
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if err != nil {
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return nil, fmt.Errorf("walking %q: %v", root, err)
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}
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return testSlice, nil
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}
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func runAllTests(tr TestRunner) error {
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tests, err := tr.ListTests()
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if err != nil {
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return fmt.Errorf("failed to list tests: %v", err)
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}
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for _, test := range tests {
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if err := tr.RunTest(test); err != nil {
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return fmt.Errorf("test %q failed to run: %v", test, err)
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}
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}
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return nil
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}
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