From eecbe837500270f530e943a1b6bb718031156dd6 Mon Sep 17 00:00:00 2001
From: Simon Sapin <simon.sapin@exyr.org>
Date: Fri, 29 Jun 2018 23:27:31 +0200
Subject: [PATCH] Add ./mach test-android-startup

---
 python/servo/command_base.py        |  7 +++
 python/servo/post_build_commands.py |  6 +-
 python/servo/testing_commands.py    | 87 ++++++++++++++++++++++++++++-
 3 files changed, 93 insertions(+), 7 deletions(-)

diff --git a/python/servo/command_base.py b/python/servo/command_base.py
index 70f19203ec6..0963242226b 100644
--- a/python/servo/command_base.py
+++ b/python/servo/command_base.py
@@ -623,6 +623,13 @@ class CommandBase(object):
                 return sdk_adb
         return "adb"
 
+    def android_emulator_path(self, env):
+        if "ANDROID_SDK" in env:
+            sdk_adb = path.join(env["ANDROID_SDK"], "emulator", "emulator")
+            if path.exists(sdk_adb):
+                return sdk_adb
+        return "emulator"
+
     def handle_android_target(self, target):
         if target == "arm-linux-androideabi":
             self.config["android"]["platform"] = "android-18"
diff --git a/python/servo/post_build_commands.py b/python/servo/post_build_commands.py
index 30c59f417f5..0132d2ea4b0 100644
--- a/python/servo/post_build_commands.py
+++ b/python/servo/post_build_commands.py
@@ -177,10 +177,8 @@ class PostBuildCommands(CommandBase):
         help="Command-line arguments to be passed through to the emulator")
     def android_emulator(self, args=None):
         if not args:
-            print("Pass at least an AVD name such as @servo-arm or @servo-x86")
-            return 1
-        env = self.build_env()
-        emulator = path.join(env["ANDROID_SDK"], "emulator", "emulator")
+            print("AVDs created by `./mach bootstrap-android` are servo-arm and servo-x86.")
+        emulator = self.android_emulator_path(self.build_env())
         return subprocess.call([emulator] + args)
 
     @Command('rr-record',
diff --git a/python/servo/testing_commands.py b/python/servo/testing_commands.py
index 545fa19f3b0..f705939ba53 100644
--- a/python/servo/testing_commands.py
+++ b/python/servo/testing_commands.py
@@ -17,7 +17,7 @@ import os.path as path
 import platform
 import copy
 from collections import OrderedDict
-from time import time
+import time
 import json
 import urllib2
 import urllib
@@ -157,7 +157,7 @@ class MachCommands(CommandBase):
                 print("%s is not a valid test path or suite name" % arg)
                 return 1
 
-        test_start = time()
+        test_start = time.time()
         for suite, tests in selected_suites.iteritems():
             props = suites[suite]
             kwargs = props.get("kwargs", {})
@@ -166,7 +166,7 @@ class MachCommands(CommandBase):
 
             Registrar.dispatch("test-%s" % suite, context=self.context, **kwargs)
 
-        elapsed = time() - test_start
+        elapsed = time.time() - test_start
 
         print("Tests completed in %0.2fs" % elapsed)
 
@@ -551,6 +551,87 @@ class MachCommands(CommandBase):
             output.close()
         return 1
 
+    @Command('test-android-startup',
+             description='Extremely minimal testing of Servo for Android',
+             category='testing')
+    @CommandArgument('--release', '-r', action='store_true',
+                     help='Run the release build')
+    @CommandArgument('--dev', '-d', action='store_true',
+                     help='Run the dev build')
+    def test_android_startup(self, release, dev):
+        if (release and dev) or not (release or dev):
+            print("Please specify one of --dev or --release.")
+            return 1
+        target = "i686-linux-android"
+        print("Assuming --target " + target)
+        env = self.build_env(target=target)
+        assert self.handle_android_target(target)
+
+        emulator_port = "5580"
+        adb = [self.android_adb_path(env), "-s", "emulator-" + emulator_port]
+        emulator_process = subprocess.Popen([
+            self.android_emulator_path(env),
+            "@servo-x86",
+            "-no-window",
+            "-gpu", "guest",
+            "-port", emulator_port,
+        ])
+        try:
+            # This is hopefully enough time for the emulator to exit
+            # if it cannot start because of a configuration problem,
+            # and probably more time than it needs to boot anyway
+            time.sleep(1)
+            if emulator_process.poll() is not None:
+                # The process has terminated already, wait-for-device would block indefinitely
+                return 1
+
+            subprocess.call(adb + ["wait-for-device"])
+
+            # https://stackoverflow.com/a/38896494/1162888
+            while 1:
+                stdout, stderr = subprocess.Popen(
+                    adb + ["shell", "getprop", "sys.boot_completed"],
+                    stdout=subprocess.PIPE,
+                ).communicate()
+                if "1" in stdout:
+                    break
+                print("Waiting for the emulator to boot")
+                time.sleep(1)
+
+            binary_path = self.get_binary_path(release, dev, android=True)
+            result = subprocess.call(adb + ["install", "-r", binary_path + ".apk"])
+            if result != 0:
+                return result
+
+            html = """
+                <script>
+                    console.log("JavaScript is running!")
+                </script>
+            """
+            url = "data:text/html;base64," + html.encode("base64").replace("\n", "")
+            result = subprocess.call(adb + ["shell", """
+                mkdir -p /sdcard/Android/data/com.mozilla.servo/files/
+                echo 'servo' > /sdcard/Android/data/com.mozilla.servo/files/android_params
+                echo '%s' >> /sdcard/Android/data/com.mozilla.servo/files/android_params
+                am start com.mozilla.servo/com.mozilla.servo.MainActivity
+            """ % url])
+            if result != 0:
+                return result
+
+            logcat = adb + ["logcat", "RustAndroidGlueStdouterr:D", "*:S", "-v", "raw"]
+            logcat_process = subprocess.Popen(logcat, stdout=subprocess.PIPE)
+            while 1:
+                line = logcat_process.stdout.readline()
+                if "JavaScript is running!" in line:
+                    print(line)
+                    break
+            logcat_process.kill()
+        finally:
+            try:
+                emulator_process.kill()
+            except OSError:
+                pass
+
     @Command('test-jquery',
              description='Run the jQuery test suite',
              category='testing')