Device Setup Tests are runnable on physical devices or emulators. See the instructions below for setting up either a physical device or an emulator.
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In order to allow the ADB to connect to the device, you must enable USB debugging:
- Before Android 4.1 (Jelly Bean):
- Go to "System Settings"
- Go to "Developer options"
- Check "USB debugging".
- Un-check "Verify apps over USB".
- On Jelly Bean, developer options are hidden by default. To unhide them:
- Go to "About phone"
- Tap 10 times on "Build number"
- The "Developer options" menu will now be available.
- Check "USB debugging".
- Un-check "Verify apps over USB".
You MUST ensure that the screen stays on while testing: adb shell svc power stayon usb Or do this manually on the device: Settings -> Developer options
-> Stay Awake.
If this option is greyed out, stay awake is probably disabled by policy. In that case, get another device or log in with a normal, unmanaged account (because the tests will break in exciting ways if stay awake is off).
adb shell setprop debug.assert 1
You may see a dialog like
this one,
which states, Google may regularly check installed apps for potentially harmful
behavior. This can interfere with the test runner. To disable this dialog, run:
adb shell settings put global package_verifier_enable 0
Use an emulator (i.e. Android Virtual Device, AVD): Enabling Intel's Virtualizaton support provides the fastest, most reliable emulator configuration available (i.e. x86 emulator with GPU acceleration and KVM support).
-
Enable Intel Virtualization support in the BIOS.
-
Set up your environment:
. build/android/envsetup.sh -
Install emulator deps:
build/android/install_emulator_deps.py --api-level=19
This script will download Android SDK and place it a directory called android_tools in the same parent directory as your chromium checkout. It will also download the system-images for the emulators (i.e. arm and x86). Note that this is a different SDK download than the Android SDK in the chromium source checkout (i.e. src/third_party/android_emulator_sdk).
-
Run the avd.py script. To start up num emulators use -n. For non-x86 use --abi.
build/android/avd.py --api-level=19
This script will attempt to use GPU emulation, so you must be running the emulators in an environment with hardware rendering available. See
avd.py --helpfor more details.
Alternatively, you can create an run your own emulator using the tools provided by the Android SDK. When doing so, be sure to enable GPU emulation in hardware settings, since Chromium requires it to render.
It may not be immediately obvious where your test code gets compiled to, so here are some general rules:
-
If your test code lives under /content, it will probably be built as part of the content_shell_test_apk * If your test code lives under /chrome (or higher), it will probably be built as part of the chrome_public_test_apk * (Please fill in more details here if you know them).
NB: We used to call the chrome_public_test_apk the chromium_shell_test_apk. There may still be references to this kicking around, but wherever you see chromium_shell_test you should replace with chrome_public_test.
Once you know what to build, just do it like you normally would build anything
else, e.g.: ninja -C out/Release chrome_public_test_apk
All functional tests are run using build/android/test_runner.py.
Tests are sharded across all attached devices. In order to run tests, call:
build/android/test_runner.py <test_type> [options]
For a list of valid test types, see test_runner.py --help. For
help on a specific test type, run test_runner.py <test_type> --help.
The commands used by the buildbots are printed in the logs. Look at http://build.chromium.org/ to duplicate the same test command as a particular builder.
If you build in an output directory other than "out", you may have to tell
test_runner.py where you place it. Say you build your android code in
out_android, then do export CHROMIUM_OUT_DIR=out_android before running the
command below.
If you see this error when test_runner.py is attempting to deploy the test binaries to the AVD emulator, you may need to resize your userdata partition with the following commands:
# Resize userdata partition to be 1G resize2fs
android_emulator_sdk/sdk/system-images/android-19/x86/userdata.img 1G
# Set filesystem parameter to continue on errors; Android doesn't like some
# things e2fsprogs does.
tune2fs -e continue
android_emulator_sdk/sdk/system-images/android-19/x86/userdata.imgCrash stacks are logged and can be viewed using adb logcat. To symbolize the
traces, pipe the output through
third_party/android_platform/development/scripts/stack. If you build in an
output directory other than "out", pass
--chrome-symbols-dir=out_directory/{Debug,Release}/lib to the script as well.
# Build a test suite
ninja -C out/Release content_unittests_apk
# Run a test suite
build/android/test_runner.py gtest -s content_unittests --release -vvv
# Run a subset of tests
build/android/test_runner.py gtest -s content_unittests --release -vvv \
--gtest-filter ByteStreamTest.*In order to run instrumentation tests, you must leave your device screen ON and UNLOCKED. Otherwise, the test will timeout trying to launch an intent. Optionally you can disable screen lock under Settings -> Security -> Screen Lock -> None.
Next, you need to build the app, build your tests, install the application APK, and then run your tests (which will install the test APK automatically).
Examples:
ContentShell tests:
# Build the code under test
ninja -C out/Release content_shell_apk
# Build the tests themselves
ninja -C out/Release content_shell_test_apk
# Install the code under test
build/android/adb_install_apk.py out/Release/apks/ContentShell.apk
# Run the test (will automagically install the test APK)
build/android/test_runner.py instrumentation --test-apk=ContentShellTest \
--isolate-file-path content/content_shell_test_apk.isolate --release -vvChromePublic tests:
# Build the code under test
ninja -C out/Release chrome_public_apk
# Build the tests themselves
ninja -C out/Release chrome_public_test_apk
# Install the code under test
build/android/adb_install_apk.py out/Release/apks/ChromePublic.apk
# Run the test (will automagically install the test APK)
build/android/test_runner.py instrumentation --test-apk=ChromePublicTest \
--isolate-file-path chrome/chrome_public_test_apk.isolate --release -vvAndroidWebView tests:
ninja -C out/Release android_webview_apk
ninja -C out/Release android_webview_test_apk
build/android/adb_install_apk.py out/Release/apks/AndroidWebView.apk \
build/android/test_runner.py instrumentation --test-apk=AndroidWebViewTest \
--test_data webview:android_webview/test/data/device_files --release -vvvUse adb_install_apk.py to install the app under test, then run the test command. In order to run a subset of tests, use -f to filter based on test class/method or -A/-E to filter using annotations.
Filtering examples:
# Run a test suite
build/android/test_runner.py instrumentation --test-apk=ContentShellTest
# Run a specific test class
build/android/test_runner.py instrumentation --test-apk=ContentShellTest -f \
AddressDetectionTest
# Run a specific test method
build/android/test_runner.py instrumentation --test-apk=ContentShellTest -f \
AddressDetectionTest#testAddressLimits
# Run a subset of tests by size (Smoke, SmallTest, MediumTest, LargeTest,
# EnormousTest)
build/android/test_runner.py instrumentation --test-apk=ContentShellTest -A \
Smoke
# Run a subset of tests by annotation, such as filtering by Feature
build/android/test_runner.py instrumentation --test-apk=ContentShellTest -A \
Feature=NavigationYou might want to add stars * to each as a regular expression, e.g.
*AddressDetectionTest*
See https://sites.google.com/a/chromium.org/dev/developers/testing/webkit-layout-tests
(e.g. the "Android Debug (Nexus 7)" bot on the chromium.gpu waterfall)
See http://www.chromium.org/developers/testing/gpu-testing for details. Use --browser=android-content-shell. Examine the stdio from the test invocation on the bots to see arguments to pass to src/content/test/gpu/run_gpu_test.py.