CMake/Modules/FindXCTest.cmake
Brad King 86578eccf2 Simplify CMake per-source license notices
Per-source copyright/license notice headers that spell out copyright holder
names and years are hard to maintain and often out-of-date or plain wrong.
Precise contributor information is already maintained automatically by the
version control tool.  Ultimately it is the receiver of a file who is
responsible for determining its licensing status, and per-source notices are
merely a convenience.  Therefore it is simpler and more accurate for
each source to have a generic notice of the license name and references to
more detailed information on copyright holders and full license terms.

Our `Copyright.txt` file now contains a list of Contributors whose names
appeared source-level copyright notices.  It also references version control
history for more precise information.  Therefore we no longer need to spell
out the list of Contributors in each source file notice.

Replace CMake per-source copyright/license notice headers with a short
description of the license and links to `Copyright.txt` and online information
available from "https://cmake.org/licensing".  The online URL also handles
cases of modules being copied out of our source into other projects, so we
can drop our notices about replacing links with full license text.

Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority
of the replacements mechanically.  Manually fix up shebang lines and trailing
newlines in a few files.  Manually update the notices in a few files that the
script does not handle.
2016-09-27 15:14:44 -04:00

191 lines
5.8 KiB
CMake

# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindXCTest
----------
Functions to help creating and executing XCTest bundles.
An XCTest bundle is a CFBundle with a special product-type
and bundle extension. The Mac Developer Library provides more
information in the `Testing with Xcode`_ document.
.. _Testing with Xcode: http://developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/testing_with_xcode/
Module Functions
^^^^^^^^^^^^^^^^
.. command:: xctest_add_bundle
The ``xctest_add_bundle`` function creates a XCTest bundle named
<target> which will test the target <testee>. Supported target types
for testee are Frameworks and App Bundles::
xctest_add_bundle(
<target> # Name of the XCTest bundle
<testee> # Target name of the testee
)
.. command:: xctest_add_test
The ``xctest_add_test`` function adds an XCTest bundle to the
project to be run by :manual:`ctest(1)`. The test will be named
<name> and tests <bundle>::
xctest_add_test(
<name> # Test name
<bundle> # Target name of XCTest bundle
)
Module Variables
^^^^^^^^^^^^^^^^
The following variables are set by including this module:
.. variable:: XCTest_FOUND
True if the XCTest Framework and executable were found.
.. variable:: XCTest_EXECUTABLE
The path to the xctest command line tool used to execute XCTest bundles.
.. variable:: XCTest_INCLUDE_DIRS
The directory containing the XCTest Framework headers.
.. variable:: XCTest_LIBRARIES
The location of the XCTest Framework.
#]=======================================================================]
find_path(XCTest_INCLUDE_DIR
NAMES "XCTest/XCTest.h"
DOC "XCTest include directory")
mark_as_advanced(XCTest_INCLUDE_DIR)
find_library(XCTest_LIBRARY
NAMES XCTest
DOC "XCTest Framework library")
mark_as_advanced(XCTest_LIBRARY)
execute_process(
COMMAND xcrun --find xctest
OUTPUT_VARIABLE _xcrun_out OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_VARIABLE _xcrun_err)
if(_xcrun_out)
set(XCTest_EXECUTABLE "${_xcrun_out}" CACHE FILEPATH "XCTest executable")
mark_as_advanced(XCTest_EXECUTABLE)
endif()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
find_package_handle_standard_args(XCTest
FOUND_VAR XCTest_FOUND
REQUIRED_VARS XCTest_LIBRARY XCTest_INCLUDE_DIR XCTest_EXECUTABLE)
if(XCTest_FOUND)
set(XCTest_INCLUDE_DIRS "${XCTest_INCLUDE_DIR}")
set(XCTest_LIBRARIES "${XCTest_LIBRARY}")
endif(XCTest_FOUND)
function(xctest_add_bundle target testee)
if(NOT XCTest_FOUND)
message(FATAL_ERROR "XCTest is required to create a XCTest Bundle.")
endif(NOT XCTest_FOUND)
if(NOT CMAKE_OSX_SYSROOT)
message(FATAL_ERROR "Adding XCTest bundles requires CMAKE_OSX_SYSROOT to be set.")
endif()
add_library(${target} MODULE ${ARGN})
set_target_properties(${target} PROPERTIES
BUNDLE TRUE
XCTEST TRUE
XCTEST_TESTEE ${testee})
target_link_libraries(${target} PRIVATE "-framework Foundation")
target_link_libraries(${target} PRIVATE ${XCTest_LIBRARIES})
target_include_directories(${target} PRIVATE ${XCTest_INCLUDE_DIRS})
# retrieve testee target type
if(NOT TARGET ${testee})
message(FATAL_ERROR "${testee} is not a target.")
endif()
get_property(_testee_type TARGET ${testee} PROPERTY TYPE)
get_property(_testee_framework TARGET ${testee} PROPERTY FRAMEWORK)
get_property(_testee_macosx_bundle TARGET ${testee} PROPERTY MACOSX_BUNDLE)
if(_testee_type STREQUAL "SHARED_LIBRARY" AND _testee_framework)
# testee is a Framework
target_link_libraries(${target} PRIVATE ${testee})
elseif(_testee_type STREQUAL "EXECUTABLE" AND _testee_macosx_bundle)
# testee is an App Bundle
add_dependencies(${target} ${testee})
if(XCODE)
set_target_properties(${target} PROPERTIES
XCODE_ATTRIBUTE_BUNDLE_LOADER "$(TEST_HOST)"
XCODE_ATTRIBUTE_TEST_HOST "$<TARGET_FILE:${testee}>")
if(NOT XCODE_VERSION VERSION_LESS 7.3)
set_target_properties(${target} PROPERTIES
LIBRARY_OUTPUT_DIRECTORY "$<TARGET_FILE_DIR:${testee}>/../PlugIns")
endif()
else(XCODE)
target_link_libraries(${target}
PRIVATE -bundle_loader $<TARGET_FILE:${testee}>)
endif(XCODE)
else()
message(FATAL_ERROR "Testee ${testee} is of unsupported type.")
endif()
endfunction(xctest_add_bundle)
function(xctest_add_test name bundle)
if(NOT XCTest_EXECUTABLE)
message(FATAL_ERROR "XCTest executable is required to register a test.")
endif()
# check that bundle is a XCTest Bundle
if(NOT TARGET ${bundle})
message(FATAL_ERROR "${bundle} is not a target.")
endif(NOT TARGET ${bundle})
get_property(_test_type TARGET ${bundle} PROPERTY TYPE)
get_property(_test_bundle TARGET ${bundle} PROPERTY BUNDLE)
get_property(_test_xctest TARGET ${bundle} PROPERTY XCTEST)
if(NOT _test_type STREQUAL "MODULE_LIBRARY"
OR NOT _test_xctest OR NOT _test_bundle)
message(FATAL_ERROR "Test ${bundle} is not an XCTest Bundle")
endif()
# get and check testee properties
get_property(_testee TARGET ${bundle} PROPERTY XCTEST_TESTEE)
if(NOT TARGET ${_testee})
message(FATAL_ERROR "${_testee} is not a target.")
endif()
get_property(_testee_type TARGET ${_testee} PROPERTY TYPE)
get_property(_testee_framework TARGET ${_testee} PROPERTY FRAMEWORK)
# register test
add_test(
NAME ${name}
COMMAND ${XCTest_EXECUTABLE} $<TARGET_LINKER_FILE_DIR:${bundle}>/../..)
# point loader to testee in case rpath is disabled
if(_testee_type STREQUAL "SHARED_LIBRARY" AND _testee_framework)
set_property(TEST ${name} APPEND PROPERTY
ENVIRONMENT DYLD_FRAMEWORK_PATH=$<TARGET_LINKER_FILE_DIR:${_testee}>/..)
endif()
endfunction(xctest_add_test)