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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#[======================================================================[.rst:
AndroidTestUtilities
------------------------
.. versionadded:: 3.7
Create a test that automatically loads specified data onto an Android device.
Introduction
^^^^^^^^^^^^
Use this module to push data needed for testing an Android device behavior
onto a connected Android device. The module will accept files and libraries as
well as separate destinations for each. It will create a test that loads the
files into a device object store and link to them from the specified
destination. The files are only uploaded if they are not already in the object
store.
For example:
.. code-block:: cmake
include(AndroidTestUtilities)
android_add_test_data(
example_setup_test
FILES <files>...
LIBS <libs>...
DEVICE_TEST_DIR "/data/local/tests/example"
DEVICE_OBJECT_STORE "/sdcard/.ExternalData/SHA"
)
At build time a test named "example_setup_test" will be created. Run this test
on the command line with :manual:`ctest(1)` to load the data onto the Android
device.
Module Functions
^^^^^^^^^^^^^^^^
.. command:: android_add_test_data
.. code-block:: cmake
android_add_test_data(<test-name>
[FILES <files>...] [FILES_DEST <device-dir>]
[LIBS <libs>...] [LIBS_DEST <device-dir>]
[DEVICE_OBJECT_STORE <device-dir>]
[DEVICE_TEST_DIR <device-dir>]
[NO_LINK_REGEX <strings>...]
)
The ``android_add_test_data`` function is used to copy files and libraries
needed to run project-specific tests. On the host operating system, this is
done at build time. For on-device testing, the files are loaded onto the
device by the manufactured test at run time.
This function accepts the following named parameters:
``FILES <files>...``
zero or more files needed for testing
``LIBS <libs>...``
zero or more libraries needed for testing
``FILES_DEST <device-dir>``
absolute path where the data files are expected to be
``LIBS_DEST <device-dir>``
absolute path where the libraries are expected to be
``DEVICE_OBJECT_STORE <device-dir>``
absolute path to the location where the data is stored on-device
``DEVICE_TEST_DIR <device-dir>``
absolute path to the root directory of the on-device test location
``NO_LINK_REGEX <strings>...``
list of regex strings matching the names of files that should be
copied from the object store to the testing directory
#]======================================================================]
include(${CMAKE_CURRENT_LIST_DIR}/ExternalData.cmake)
# The parameters to this function should be set to the list of directories,
# files, and libraries that need to be installed prior to testing.
function(android_add_test_data test_name)
# As the names suggest, oneValueArgs lists the arguments that specify a
# single value, while multiValueArgs can contain one or more values.
set(keywordArgs)
set(oneValueArgs FILES_DEST LIBS_DEST DEVICE_OBJECT_STORE DEVICE_TEST_DIR)
set(multiValueArgs FILES LIBS NO_LINK_REGEX)
# For example, if you called this function with FILES </path/to/file>
# then this path would be stored in the variable AST_FILES.
# The AST prefix stands for the name of this function (android_add_test_data).
cmake_parse_arguments(AST "${keywordArgs}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
if(NOT AST_DEVICE_TEST_DIR)
message(FATAL_ERROR "-- You must specify the location of the on device test directory.")
endif()
if(NOT AST_DEVICE_OBJECT_STORE)
message(FATAL_ERROR "-- You must specify the location of the on device object store.")
endif()
if(${AST_DEVICE_TEST_DIR} STREQUAL "/")
message(FATAL_ERROR "-- The device test directory cannot be '/'")
endif()
# Copy all test data files into the binary directory, where tests are run.
# ExternalData will handle fetching DATA{...} references.
string(REPLACE "|" ";" hash_algs "${_ExternalData_REGEX_EXT}")
# Convert ExternalData placeholder file names to DATA{} syntax.
foreach(alg ${hash_algs})
string(REGEX REPLACE "([^ ;]+)\\.${alg}" "DATA{\\1}" AST_FILES "${AST_FILES}")
endforeach()
set(DATA_TARGET_NAME "${test_name}")
string(FIND "${AST_FILES}" "DATA{" data_files_found)
if(${data_files_found} GREATER "-1")
# Use ExternalData if any DATA{} files were found.
ExternalData_Expand_Arguments(
${DATA_TARGET_NAME}
extern_data_output
${AST_FILES})
ExternalData_Add_Target(${DATA_TARGET_NAME})
else()
add_custom_target(${DATA_TARGET_NAME} ALL)
set(extern_data_output ${AST_FILES})
endif()
# For regular files on Linux, just copy them directly.
foreach(path ${AST_FILES})
foreach(output ${extern_data_output})
if(${output} STREQUAL ${path})
# Check if a destination was specified. If not, we copy by default
# into this project's binary directory, preserving its relative path.
if(AST_${VAR}_DEST)
set(DEST ${CMAKE_BINARY_DIR}/${parent_dir}/${AST_${VAR}_DEST})
else()
get_filename_component(parent_dir ${path} DIRECTORY)
set(DEST "${CMAKE_BINARY_DIR}/${parent_dir}")
endif()
get_filename_component(extern_data_source ${output} REALPATH)
get_filename_component(extern_data_basename ${output} NAME)
add_custom_command(
TARGET ${DATA_TARGET_NAME} POST_BUILD
DEPENDS ${extern_data_source}
COMMAND ${CMAKE_COMMAND} -E copy_if_different ${extern_data_source} ${DEST}/${extern_data_basename}
)
endif()
endforeach()
endforeach()
if(ANDROID)
string(REGEX REPLACE "DATA{([^ ;]+)}" "\\1" processed_FILES "${AST_FILES}")
add_test(
NAME ${test_name}
COMMAND ${CMAKE_COMMAND}
"-Darg_files_dest=${AST_FILES_DEST}"
"-Darg_libs_dest=${AST_LIBS_DEST}"
"-Darg_dev_test_dir=${AST_DEVICE_TEST_DIR}"
"-Darg_dev_obj_store=${AST_DEVICE_OBJECT_STORE}"
"-Darg_no_link_regex=${AST_NO_LINK_REGEX}"
"-Darg_files=${processed_FILES}"
"-Darg_libs=${AST_LIBS}"
"-Darg_src_dir=${CMAKE_CURRENT_SOURCE_DIR}"
-P ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/AndroidTestUtilities/PushToAndroidDevice.cmake)
endif()
endfunction()
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