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This adds support for running tests for the stdlib built for Android, both on the host machine and on an Android device. The Android variant of Swift may be built and tested using the following `build-script` invocation: ``` $ utils/build-script \ -R \ # Build in ReleaseAssert mode. -T \ # Run all tests. --android \ # Build for Android. --android-deploy-device-path /data/local/tmp \ # Temporary directory on the device where Android tests are run. --android-ndk ~/android-ndk-r10e \ # Path to an Android NDK. --android-ndk-version 21 \ --android-icu-uc ~/libicu-android/armeabi-v7a/libicuuc.so \ --android-icu-uc-include ~/libicu-android/armeabi-v7a/icu/source/common \ --android-icu-i18n ~/libicu-android/armeabi-v7a/libicui18n.so \ --android-icu-i18n-include ~/libicu-android/armeabi-v7a/icu/source/i18n/ ``` See docs/Testing.rst for more details.
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| # adb/commands.py - Run executables on an Android device -*- python -*- | ||
| # | ||
| # This source file is part of the Swift.org open source project | ||
| # | ||
| # Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors | ||
| # Licensed under Apache License v2.0 with Runtime Library Exception | ||
| # | ||
| # See http://swift.org/LICENSE.txt for license information | ||
| # See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors | ||
| # | ||
| # ---------------------------------------------------------------------------- | ||
| # | ||
| # Push executables to an Android device and run them, capturing their output | ||
| # and exit code. | ||
| # | ||
| # ---------------------------------------------------------------------------- | ||
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| from __future__ import print_function | ||
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| import subprocess | ||
| import tempfile | ||
| import uuid | ||
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| # A temporary directory on the Android device. | ||
| DEVICE_TEMP_DIR = '/data/local/tmp' | ||
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| def shell(args): | ||
| """ | ||
| Execute 'adb shell' with the given arguments. | ||
| Raise an exception if 'adb shell' returns a non-zero exit code. | ||
| Note that this only occurs if communication with the connected device | ||
| fails, not if the command run on the device fails. | ||
| """ | ||
| return subprocess.check_output(['adb', 'shell'] + args) | ||
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| def push(local_path, device_path): | ||
| """Move the file at the given local path to the path on the device.""" | ||
| return subprocess.check_output(['adb', 'push', local_path, device_path], | ||
| stderr=subprocess.STDOUT).strip() | ||
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| def _create_executable_on_device(device_path, contents): | ||
| _, tmp = tempfile.mkstemp() | ||
| with open(tmp, 'w') as f: | ||
| f.write(contents) | ||
| push(tmp, device_path) | ||
| shell(['chmod', '755', device_path]) | ||
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| def execute_on_device(executable_path, | ||
| executable_arguments, | ||
| rerun_failures): | ||
| """ | ||
| Run an executable on an Android device. | ||
| Push an executable at the given 'executable_path' to an Android device, | ||
| then execute that executable on the device, passing any additional | ||
| 'executable_arguments'. Return 0 if the executable succeeded when run on | ||
| device, and 1 otherwise. | ||
| This function is not as simple as calling 'adb shell', for two reasons: | ||
| 1. 'adb shell' can only take input up to a certain length, so it fails for | ||
| long executable names or when a large amount of arguments are passed to | ||
| the executable. This function attempts to limit the size of any string | ||
| passed to 'adb shell'. | ||
| 2. 'adb shell' ignores the exit code of any command it runs. This function | ||
| therefore uses its own mechanisms to determine whether the executable | ||
| had a successful exit code when run on device. | ||
| If 'rerun_failures' is specified, this function re-runs failing tests, | ||
| printing their output to stdout. | ||
| """ | ||
| # We'll be running the executable in a temporary directory in | ||
| # /data/local/tmp. `adb shell` has trouble with commands that | ||
| # exceed a certain length, so to err on the safe side we only | ||
| # use the first 10 characters of the UUID. | ||
| uuid_dir = '{}/{}'.format(DEVICE_TEMP_DIR, str(uuid.uuid4())[:10]) | ||
| shell(['mkdir', '-p', uuid_dir]) | ||
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| # `adb` can only handle commands under a certain length. No matter what the | ||
| # original executable's name, on device we call it `__executable`. | ||
| executable = '{}/__executable'.format(uuid_dir) | ||
| push(executable_path, executable) | ||
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| # When running the executable on the device, we need to pass it the same | ||
| # arguments, as well as specify the correct LD_LIBRARY_PATH. Save these | ||
| # to a file we can easily call multiple times. | ||
| executable_with_args = '{}/__executable_with_args'.format(uuid_dir) | ||
| _create_executable_on_device( | ||
| executable_with_args, | ||
| 'LD_LIBRARY_PATH={uuid_dir}:{tmp_dir} ' | ||
| '{executable} {executable_arguments}'.format( | ||
| uuid_dir=uuid_dir, | ||
| tmp_dir=DEVICE_TEMP_DIR, | ||
| executable=executable, | ||
| executable_arguments=' '.join(executable_arguments))) | ||
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| # Write the output from the test executable to a file named '__stdout', and | ||
| # if the test executable succeeds, write 'SUCCEEDED' to a file | ||
| # named '__succeeded'. We do this because `adb shell` does not report | ||
| # the exit code of the command it executes on the device, so instead we | ||
| # check the '__succeeded' file for our string. | ||
| executable_stdout = '{}/__stdout'.format(uuid_dir) | ||
| succeeded_token = 'SUCCEEDED' | ||
| executable_succeeded = '{}/__succeeded'.format(uuid_dir) | ||
| executable_piped = '{}/__executable_piped'.format(uuid_dir) | ||
| _create_executable_on_device( | ||
| executable_piped, | ||
| '{executable_with_args} > {executable_stdout} && ' | ||
| 'echo "{succeeded_token}" > {executable_succeeded}'.format( | ||
| executable_with_args=executable_with_args, | ||
| executable_stdout=executable_stdout, | ||
| succeeded_token=succeeded_token, | ||
| executable_succeeded=executable_succeeded)) | ||
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| # We've pushed everything we need to the device. | ||
| # Now execute the wrapper script. | ||
| shell([executable_piped]) | ||
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| # Grab the results of running the executable on device. | ||
| stdout = shell(['cat', executable_stdout]) | ||
| exitcode = shell(['cat', executable_succeeded]) | ||
| if not exitcode.startswith(succeeded_token): | ||
| debug_command = '$ adb shell {}'.format(executable_with_args) | ||
| print('Executable exited with a non-zero code on the Android device.\n' | ||
| 'Device stdout:\n' | ||
| '{stdout}\n' | ||
| 'To debug, run:\n' | ||
| '{debug_command}\n'.format( | ||
| stdout=stdout, | ||
| debug_command=debug_command)) | ||
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| if rerun_failures: | ||
| print('Re-running executable with command:\n' | ||
| '{}\n'.format(debug_command)) | ||
| print(shell([executable_with_args])) | ||
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| # Exit early so that the output isn't passed to FileCheck, nor are any | ||
| # temporary directories removed; this allows the user to re-run | ||
| # the executable on the device. | ||
| return 1 | ||
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| print(stdout) | ||
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| shell(['rm', '-rf', uuid_dir]) | ||
| return 0 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| #!/usr/bin/env python | ||
| # adb_push_build_products.py - Calls adb_push_build_products.main -*- python -*- | ||
| # | ||
| # This source file is part of the Swift.org open source project | ||
| # | ||
| # Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors | ||
| # Licensed under Apache License v2.0 with Runtime Library Exception | ||
| # | ||
| # See http://swift.org/LICENSE.txt for license information | ||
| # See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors | ||
|
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| import sys | ||
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| from adb_push_built_products.main import main | ||
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| if __name__ == '__main__': | ||
| sys.exit(main()) |
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