1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
########################################################################################
# This file is dedicated to the public domain. If your jurisdiction requires a #
# specific license: #
# #
# Copyright (c) Stephen McDowell, 2017-2024 #
# License: CC0 1.0 Universal #
# License Text: https://creativecommons.org/publicdomain/zero/1.0/legalcode #
########################################################################################
cmake_minimum_required(VERSION 3.13 FATAL_ERROR)
project(cpp-long-names LANGUAGES CXX)
# Windows cannot handle the full test case because of its antiquated filesystem.
if (NOT WIN32)
# Will re-use the methods defined in testing/tests/cpp_long_names.py to generate the
# full test case directory paths.
find_program(PYTHON_EXECUTABLE python)
if (PYTHON_EXECUTABLE STREQUAL PYTHON_EXECUTABLE-NOTFOUND)
message(FATAL_ERROR "This project requires python in order to generate the full test case.")
endif()
# Using git rev-parse to make life easier to find the cpp_long_names.py test case.
find_program(GIT_EXECUTABLE git)
if (GIT_EXECUTABLE STREQUAL GIT_EXECUTABLE-NOTFOUND)
message(FATAL_ERROR "This project requires git in order to generate the full test case.")
endif()
# Acquire the full path to the repository root and create the path to where the
# cpp_long_names.py file lives.
execute_process(
COMMAND ${GIT_EXECUTABLE} rev-parse --show-toplevel
RESULT_VARIABLE GIT_EXIT_CODE
OUTPUT_VARIABLE REPOSITORY_ROOT
ERROR_VARIABLE GIT_FAILURE_MESSAGE
)
if (GIT_EXIT_CODE)
message(FATAL_ERROR "Non-zero exit code of [${GIT_EXIT_CODE}] executing 'git rev-parse --show-toplevel'. ${GIT_FAILURE_MESSAGE}")
elseif (REPOSITORY_ROOT MATCHES "^$")
message(FATAL_ERROR "Impossible empty string result of 'git rev-parse --show-toplevel'...")
endif()
# Remove trailing newline from command-line output.
string(REGEX REPLACE "\n" "" REPOSITORY_ROOT "${REPOSITORY_ROOT}")
set(CPP_LONG_NAMES_PY "${REPOSITORY_ROOT}/testing/tests/cpp_long_names.py")
if (NOT EXISTS "${CPP_LONG_NAMES_PY}")
message(FATAL_ERROR "Could not find the file [${CPP_LONG_NAMES_PY}]!")
endif()
# Create a script to call the function to make directories. If only there was
# textwrap.dedent(...) in CMake x0
string(CONCAT GENERATE_ABSURD_SCRIPT_CONTENTS
"import os\n"
"import sys\n"
"\n"
"\n"
"if __name__ == '__main__':\n"
" try:\n"
" # Make it so we can import 'exhale' and 'testing'\n"
" repository_root = os.path.abspath('${REPOSITORY_ROOT}')\n"
" sys.path.insert(0, repository_root)\n"
"\n"
" from testing.tests import cpp_long_names\n"
" cpp_long_names.create_absurd_directory_structure()\n"
"\n"
" # Print out what we just made verify it was created in CMake.\n"
" sys.stdout.write(os.path.join(\n"
" cpp_long_names.ABSURD_DIRECTORY_PATH, 'a_file.hpp'\n"
" ))\n"
" sys.exit(0)\n"
" except Exception as e:\n"
" sys.stderr.write('Critical error trying to make the absurd path: {}'.format(e))\n"
" sys.exit(1)\n"
)
set(GENERATE_ABSURD_SCRIPT "${CMAKE_CURRENT_BINARY_DIR}/prepare_cpp_long_names.py")
# Only generate this once to prevent re-builds.
if (NOT EXISTS ${GENERATE_ABSURD_SCRIPT})
file(WRITE "${GENERATE_ABSURD_SCRIPT}" "${GENERATE_ABSURD_SCRIPT_CONTENTS}")
# Call the script to generate the absurd path.
execute_process(
COMMAND ${PYTHON_EXECUTABLE} ${GENERATE_ABSURD_SCRIPT}
RESULT_VARIABLE GENERATE_ABSURD_SCRIPT_EXIT_CODE
OUTPUT_VARIABLE ABSURD_FILE_PATH
ERROR_VARIABLE GENERATE_ABSURD_SCRIPT_FAILURE_MESSAGE
)
if (GENERATE_ABSURD_SCRIPT_EXIT_CODE)
message(FATAL_ERROR "Could not generate the absurd file path. ${GENERATE_ABSURD_SCRIPT_FAILURE_MESSAGE}")
endif()
endif()
endif()
# "Header only library": add tests and include the directory
target_sources(exhale-projects-unit-tests
PUBLIC
${CMAKE_CURRENT_SOURCE_DIR}/src/tests.cpp
)
target_include_directories(exhale-projects-tests-interface
INTERFACE
${CMAKE_CURRENT_SOURCE_DIR}/include
)
add_open_cpp_coverage_source_dirs(include src)
|
