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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"crypto/x509"
"encoding/pem"
"io"
"os"
"os/exec"
"testing"
)
func TestWriter(t *testing.T) {
if os.Getenv("GO_BUILDER_NAME") == "linux-amd64-androidemu" {
t.Skip("skipping on linux-amd64-androidemu builder; see golang.org/issue/40290")
}
block, _ := pem.Decode([]byte(debugCert))
if block == nil {
t.Fatal("no cert")
}
privKey, err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
t.Fatal(err)
}
f, err := os.CreateTemp("", "testapk-")
if err != nil {
t.Fatal(err)
}
f.Close()
defer os.Remove(f.Name())
apkPath := f.Name() + ".apk"
f, err = os.Create(apkPath)
if err != nil {
t.Fatal(err)
}
defer os.Remove(apkPath)
apkw := NewWriter(f, privKey)
w, err := apkw.Create("AndroidManifest.xml")
if err != nil {
t.Fatalf("could not create AndroidManifest.xml: %v", err)
}
if _, err := w.Write([]byte(androidManifest)); err != nil {
t.Errorf("could not write AndroidManifest.xml: %v", err)
}
w, err = apkw.Create("assets/hello_world.txt")
if err != nil {
t.Fatalf("could not create assets/hello_world.txt: %v", err)
}
if _, err := w.Write([]byte("Hello, 世界")); err != nil {
t.Errorf("could not write assets/hello_world.txt: %v", err)
}
if err := apkw.Close(); err != nil {
t.Fatal(err)
}
if exec.Command("which", "aapt").Run() != nil {
t.Skip("command aapt not found, skipping")
}
out, err := exec.Command("aapt", "list", "-a", apkPath).CombinedOutput()
aaptGot := string(out)
if err != nil {
t.Logf("aapt:\n%s", aaptGot)
t.Fatalf("aapt failed: %v", err)
}
if aaptGot != aaptWant {
t.Errorf("unexpected output from aapt")
d, err := diff(aaptGot, aaptWant)
if err != nil {
t.Errorf("diff failed: %v", err)
} else {
t.Logf("%s", d)
}
}
}
const aaptWant = `AndroidManifest.xml
assets/hello_world.txt
META-INF/MANIFEST.MF
META-INF/CERT.SF
META-INF/CERT.RSA
Resource table:
Package Groups (0)
Android manifest:
N: android=http://schemas.android.com/apk/res/android
E: manifest (line=2)
A: package="org.golang.fakeapp" (Raw: "org.golang.fakeapp")
A: android:versionCode(0x0101021b)=(type 0x10)0x1
A: android:versionName(0x0101021c)="1.0" (Raw: "1.0")
E: uses-sdk (line=8)
A: android:minSdkVersion(0x0101020c)=(type 0x10)0xf
E: application (line=9)
A: android:label(0x01010001)="FakeApp" (Raw: "FakeApp")
A: android:hasCode(0x0101000c)=(type 0x12)0x0
A: android:debuggable(0x0101000f)=(type 0x12)0xffffffff
E: activity (line=10)
A: android:name(0x01010003)="android.app.NativeActivity" (Raw: "android.app.NativeActivity")
A: android:label(0x01010001)="FakeApp" (Raw: "FakeApp")
A: android:configChanges(0x0101001f)=(type 0x11)0xa0
E: intent-filter (line=14)
E: action (line=15)
A: android:name(0x01010003)="android.intent.action.MAIN" (Raw: "android.intent.action.MAIN")
E: category (line=16)
A: android:name(0x01010003)="android.intent.category.LAUNCHER" (Raw: "android.intent.category.LAUNCHER")
`
const androidManifest = `
<manifest
xmlns:android="http://schemas.android.com/apk/res/android"
package="org.golang.fakeapp"
android:versionCode="1"
android:versionName="1.0">
<application android:label="FakeApp" android:hasCode="false" android:debuggable="true">
<activity android:name="android.app.NativeActivity"
android:label="FakeApp"
android:configChanges="orientation|keyboardHidden">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
`
func writeTempFile(data string) (string, error) {
f, err := os.CreateTemp("", "gofmt")
if err != nil {
return "", err
}
_, err = io.WriteString(f, data)
errc := f.Close()
if err == nil {
return f.Name(), errc
}
return f.Name(), err
}
func diff(got, want string) (string, error) {
wantPath, err := writeTempFile(want)
if err != nil {
return "", err
}
defer os.Remove(wantPath)
gotPath, err := writeTempFile(got)
if err != nil {
return "", err
}
defer os.Remove(gotPath)
data, err := exec.Command("diff", "-u", wantPath, gotPath).CombinedOutput()
if len(data) > 0 {
// diff exits with a non-zero status when the files don't match.
// Ignore that failure as long as we get output.
err = nil
}
return string(data), err
}
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