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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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