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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Contains all the wrappers from the accounts package to support client side key
// management on mobile platforms.
package geth
import (
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"runtime"
"testing"
"time"
"github.com/ethereum/go-ethereum/internal/build"
)
// androidTestClass is a Java class to do some lightweight tests against the Android
// bindings. The goal is not to test each individual functionality, rather just to
// catch breaking API and/or implementation changes.
const androidTestClass = `
package go;
import android.test.InstrumentationTestCase;
import android.test.MoreAsserts;
import org.ethereum.geth.*;
public class AndroidTest extends InstrumentationTestCase {
public AndroidTest() {}
public void testAccountManagement() {
try {
AccountManager am = new AccountManager(getInstrumentation().getContext().getFilesDir() + "/keystore", Geth.LightScryptN, Geth.LightScryptP);
Account newAcc = am.newAccount("Creation password");
byte[] jsonAcc = am.exportKey(newAcc, "Creation password", "Export password");
am.deleteAccount(newAcc, "Creation password");
Account impAcc = am.importKey(jsonAcc, "Export password", "Import password");
} catch (Exception e) {
fail(e.toString());
}
}
public void testInprocNode() {
Context ctx = new Context();
try {
// Start up a new inprocess node
Node node = new Node(getInstrumentation().getContext().getFilesDir() + "/.ethereum", new NodeConfig());
node.start();
// Retrieve some data via function calls (we don't really care about the results)
NodeInfo info = node.getNodeInfo();
info.getName();
info.getListenerAddress();
info.getProtocols();
// Retrieve some data via the APIs (we don't really care about the results)
EthereumClient ec = node.getEthereumClient();
ec.getBlockByNumber(ctx, -1).getNumber();
NewHeadHandler handler = new NewHeadHandler() {
@Override public void onError(String error) {}
@Override public void onNewHead(final Header header) {}
};
ec.subscribeNewHead(ctx, handler, 16);
} catch (Exception e) {
fail(e.toString());
}
}
}
`
// TestAndroid runs the Android java test class specified above.
//
// This requires the gradle command in PATH and the Android SDK whose path is available
// through ANDROID_HOME environment variable. To successfully run the tests, an Android
// device must also be available with debugging enabled.
//
// This method has been adapted from golang.org/x/mobile/bind/java/seq_test.go/runTest
func TestAndroid(t *testing.T) {
// Skip tests on Windows altogether
if runtime.GOOS == "windows" {
t.Skip("cannot test Android bindings on Windows, skipping")
}
// Make sure all the Android tools are installed
if _, err := exec.Command("which", "gradle").CombinedOutput(); err != nil {
t.Skip("command gradle not found, skipping")
}
if sdk := os.Getenv("ANDROID_HOME"); sdk == "" {
t.Skip("ANDROID_HOME environment var not set, skipping")
}
if _, err := exec.Command("which", "gomobile").CombinedOutput(); err != nil {
t.Log("gomobile missing, installing it...")
if _, err := exec.Command("go", "install", "golang.org/x/mobile/cmd/gomobile").CombinedOutput(); err != nil {
t.Fatalf("install failed: %v", err)
}
t.Log("initializing gomobile...")
start := time.Now()
if _, err := exec.Command("gomobile", "init").CombinedOutput(); err != nil {
t.Fatalf("initialization failed: %v", err)
}
t.Logf("initialization took %v", time.Since(start))
}
// Create and switch to a temporary workspace
workspace, err := ioutil.TempDir("", "geth-android-")
if err != nil {
t.Fatalf("failed to create temporary workspace: %v", err)
}
defer os.RemoveAll(workspace)
pwd, err := os.Getwd()
if err != nil {
t.Fatalf("failed to get current working directory: %v", err)
}
if err := os.Chdir(workspace); err != nil {
t.Fatalf("failed to switch to temporary workspace: %v", err)
}
defer os.Chdir(pwd)
// Create the skeleton of the Android project
for _, dir := range []string{"src/main", "src/androidTest/java/org/ethereum/gethtest", "libs"} {
err = os.MkdirAll(dir, os.ModePerm)
if err != nil {
t.Fatal(err)
}
}
// Generate the mobile bindings for Geth and add the tester class
gobind := exec.Command("gomobile", "bind", "-javapkg", "org.ethereum", "github.com/ethereum/go-ethereum/mobile")
if output, err := gobind.CombinedOutput(); err != nil {
t.Logf("%s", output)
t.Fatalf("failed to run gomobile bind: %v", err)
}
build.CopyFile(filepath.Join("libs", "geth.aar"), "geth.aar", os.ModePerm)
if err = ioutil.WriteFile(filepath.Join("src", "androidTest", "java", "org", "ethereum", "gethtest", "AndroidTest.java"), []byte(androidTestClass), os.ModePerm); err != nil {
t.Fatalf("failed to write Android test class: %v", err)
}
// Finish creating the project and run the tests via gradle
if err = ioutil.WriteFile(filepath.Join("src", "main", "AndroidManifest.xml"), []byte(androidManifest), os.ModePerm); err != nil {
t.Fatalf("failed to write Android manifest: %v", err)
}
if err = ioutil.WriteFile("build.gradle", []byte(gradleConfig), os.ModePerm); err != nil {
t.Fatalf("failed to write gradle build file: %v", err)
}
if output, err := exec.Command("gradle", "connectedAndroidTest").CombinedOutput(); err != nil {
t.Logf("%s", output)
t.Errorf("failed to run gradle test: %v", err)
}
}
const androidManifest = `<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="org.ethereum.gethtest"
android:versionCode="1"
android:versionName="1.0">
<uses-permission android:name="android.permission.INTERNET" />
</manifest>`
const gradleConfig = `buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:1.5.0'
}
}
allprojects {
repositories { jcenter() }
}
apply plugin: 'com.android.library'
android {
compileSdkVersion 'android-19'
buildToolsVersion '21.1.2'
defaultConfig { minSdkVersion 15 }
}
repositories {
flatDir { dirs 'libs' }
}
dependencies {
compile 'com.android.support:appcompat-v7:19.0.0'
compile(name: "geth", ext: "aar")
}
`
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