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- // Copyright 2018 Google Inc. All rights reserved.
- //
- // 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 main
- import (
- "fmt"
- "io/ioutil"
- "os"
- "path/filepath"
- "testing"
- "android/soong/ui/build/paths"
- )
- var tmpDir string
- var origPATH string
- func TestMain(m *testing.M) {
- os.Exit(func() int {
- var err error
- tmpDir, err = ioutil.TempDir("", "interposer_test")
- if err != nil {
- panic(err)
- }
- defer os.RemoveAll(tmpDir)
- origPATH = os.Getenv("PATH")
- err = os.Setenv("PATH", "")
- if err != nil {
- panic(err)
- }
- return m.Run()
- }())
- }
- func setup(t *testing.T) string {
- f, err := ioutil.TempFile(tmpDir, "interposer")
- if err != nil {
- t.Fatal(err)
- }
- defer f.Close()
- err = ioutil.WriteFile(f.Name()+"_origpath", []byte(origPATH), 0666)
- if err != nil {
- t.Fatal(err)
- }
- return f.Name()
- }
- func TestInterposer(t *testing.T) {
- interposer := setup(t)
- logConfig := func(name string) paths.PathConfig {
- if name == "true" {
- return paths.PathConfig{
- Log: false,
- Error: false,
- }
- } else if name == "path_interposer_test_not_allowed" {
- return paths.PathConfig{
- Log: false,
- Error: true,
- }
- }
- return paths.PathConfig{
- Log: true,
- Error: false,
- }
- }
- testCases := []struct {
- name string
- args []string
- exitCode int
- err error
- logEntry string
- }{
- {
- name: "direct call",
- args: []string{interposer},
- exitCode: 1,
- err: usage,
- },
- {
- name: "relative call",
- args: []string{filepath.Base(interposer)},
- exitCode: 1,
- err: usage,
- },
- {
- name: "true",
- args: []string{"/my/path/true"},
- },
- {
- name: "relative true",
- args: []string{"true"},
- },
- {
- name: "exit code",
- args: []string{"bash", "-c", "exit 42"},
- exitCode: 42,
- logEntry: "bash",
- },
- {
- name: "signal",
- args: []string{"bash", "-c", "kill -9 $$"},
- exitCode: 137,
- logEntry: "bash",
- },
- {
- name: "does not exist",
- args: []string{"path_interposer_test_does_not_exist"},
- exitCode: 1,
- err: fmt.Errorf(`exec: "path_interposer_test_does_not_exist": executable file not found in $PATH`),
- logEntry: "path_interposer_test_does_not_exist",
- },
- {
- name: "not allowed",
- args: []string{"path_interposer_test_not_allowed"},
- exitCode: 1,
- err: fmt.Errorf(`"path_interposer_test_not_allowed" is not allowed to be used. See https://android.googlesource.com/platform/build/+/master/Changes.md#PATH_Tools for more information.`),
- logEntry: "path_interposer_test_not_allowed",
- },
- }
- for _, testCase := range testCases {
- t.Run(testCase.name, func(t *testing.T) {
- logged := false
- logFunc := func(logSocket string, entry *paths.LogEntry, done chan interface{}) {
- defer close(done)
- logged = true
- if entry.Basename != testCase.logEntry {
- t.Errorf("unexpected log entry:\nwant: %q\n got: %q", testCase.logEntry, entry.Basename)
- }
- }
- exitCode, err := Main(ioutil.Discard, ioutil.Discard, interposer, testCase.args, mainOpts{
- sendLog: logFunc,
- config: logConfig,
- })
- errstr := func(err error) string {
- if err == nil {
- return ""
- }
- return err.Error()
- }
- if errstr(testCase.err) != errstr(err) {
- t.Errorf("unexpected error:\nwant: %v\n got: %v", testCase.err, err)
- }
- if testCase.exitCode != exitCode {
- t.Errorf("expected exit code %d, got %d", testCase.exitCode, exitCode)
- }
- if !logged && testCase.logEntry != "" {
- t.Errorf("no log entry, but expected %q", testCase.logEntry)
- }
- })
- }
- }
- func TestMissingPath(t *testing.T) {
- interposer := setup(t)
- err := os.Remove(interposer + "_origpath")
- if err != nil {
- t.Fatal("Failed to remove:", err)
- }
- exitCode, err := Main(ioutil.Discard, ioutil.Discard, interposer, []string{"true"}, mainOpts{})
- if err != usage {
- t.Errorf("Unexpected error:\n got: %v\nwant: %v", err, usage)
- }
- if exitCode != 1 {
- t.Errorf("expected exit code %d, got %d", 1, exitCode)
- }
- }
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