diff --git a/Makefile.am b/Makefile.am index 4b0c9350..59715162 100644 --- a/Makefile.am +++ b/Makefile.am @@ -11,6 +11,7 @@ EXTRA_DIST = \ include/gtest/internal/gtest-param-util-generated.h.pump \ make/Makefile \ scons/SConscript \ + scripts/fuse_gtest_files.py \ scripts/gen_gtest_pred_impl.py \ src/gtest-all.cc diff --git a/scripts/fuse_gtest_files.py b/scripts/fuse_gtest_files.py new file mode 100755 index 00000000..edffb1d1 --- /dev/null +++ b/scripts/fuse_gtest_files.py @@ -0,0 +1,247 @@ +#!/usr/bin/env python +# +# Copyright 2009, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +"""fuse_gtest_files.py v0.1.0 +Fuses Google Test source code into a .h file and a .cc file. + +SYNOPSIS + fuse_gtest_files.py [GTEST_ROOT_DIR] OUTPUT_DIR + + Scans GTEST_ROOT_DIR for Google Test source code, and generates + two files: OUTPUT_DIR/gtest/gtest.h and OUTPUT_DIR/gtest/gtest-all.cc. + Then you can build your tests by adding OUTPUT_DIR to the include + search path and linking with OUTPUT_DIR/gtest/gtest-all.cc. These + two files contain everything you need to use Google Test. Hence + you can "install" Google Test by copying them to wherever you want. + + GTEST_ROOT_DIR can be omitted and defaults to the parent directory + of the directory holding the fuse_gtest_files.py script. + +EXAMPLES + ./fuse_gtest_files.py fused_gtest + ./fuse_gtest_files.py path/to/unpacked/gtest fused_gtest + +This tool is experimental. In particular, it assumes that there is no +conditional inclusion of Google Test headers. Please report any +problems to googletestframework@googlegroups.com. You can read +http://code.google.com/p/googletest/wiki/GoogleTestAdvancedGuide for +more information. +""" + +__author__ = 'wan@google.com (Zhanyong Wan)' + +import os +import re +import sets +import sys + +# Regex for matching '#include '. +INCLUDE_GTEST_FILE_REGEX = re.compile(r'^\s*#\s*include\s*<(gtest/.+)>') + +# Regex for matching '#include "src/..."'. +INCLUDE_SRC_FILE_REGEX = re.compile(r'^\s*#\s*include\s*"(src/.+)"') + +# Where to find the source files. +GTEST_H_SEED = 'include/gtest/gtest.h' +GTEST_SPI_H_SEED = 'include/gtest/gtest-spi.h' +GTEST_ALL_CC_SEED = 'src/gtest-all.cc' + +# Where to put the generated files. +GTEST_H_OUTPUT = 'gtest/gtest.h' +GTEST_ALL_CC_OUTPUT = 'gtest/gtest-all.cc' + + +def GetGTestRootDir(): + """Returns the absolute path to the Google Test root directory. + + We assume that this script is in a sub-directory of the Google Test root. + """ + + my_path = sys.argv[0] # Path to this script. + my_dir = os.path.dirname(my_path) + if not my_dir: + my_dir = '.' + + return os.path.abspath(os.path.join(my_dir, '..')) + + +def ValidateGTestRootDir(gtest_root): + """Makes sure gtest_root points to a valid gtest root directory. + + The function aborts the program on failure. + """ + + def VerifyFileExists(relative_path): + """Verifies that the given file exists; aborts on failure. + + relative_path is the file path relative to the gtest root. + """ + + if not os.path.isfile(os.path.join(gtest_root, relative_path)): + print 'ERROR: Cannot find %s in directory %s.' % (relative_path, + gtest_root) + print ('Please either specify a valid Google Test root directory ' + 'or omit it on the command line.') + sys.exit(1) + + VerifyFileExists(GTEST_H_SEED) + VerifyFileExists(GTEST_ALL_CC_SEED) + + +def ValidateOutputDir(output_dir): + """Makes sure output_dir points to a valid output directory. + + The function aborts the program on failure. + """ + + def VerifyOutputFile(relative_path): + """Verifies that the given output file path is valid. + + relative_path is relative to the output_dir directory. + """ + + # Makes sure the output file either doesn't exist or can be overwritten. + output_file = os.path.join(output_dir, relative_path) + if os.path.exists(output_file): + print ('%s already exists in directory %s - overwrite it? (y/N) ' % + (relative_path, output_dir)) + answer = sys.stdin.readline().strip() + if answer not in ['y', 'Y']: + print 'ABORTED.' + sys.exit(1) + + # Makes sure the directory holding the output file exists; creates + # it and all its ancestors if necessary. + parent_directory = os.path.dirname(output_file) + if not os.path.isdir(parent_directory): + os.makedirs(parent_directory) + + VerifyOutputFile(GTEST_H_OUTPUT) + VerifyOutputFile(GTEST_ALL_CC_OUTPUT) + + +def FuseGTestH(gtest_root, output_dir): + """Scans folder gtest_root to generate gtest/gtest.h in output_dir.""" + + output_file = file(os.path.join(output_dir, GTEST_H_OUTPUT), 'w') + processed_files = sets.Set() # Holds all gtest headers we've processed. + + def ProcessFile(gtest_header_path): + """Processes the given gtest header file.""" + + # We don't process the same header twice. + if gtest_header_path in processed_files: + return + + processed_files.add(gtest_header_path) + + # Reads each line in the given gtest header. + for line in file(os.path.join(gtest_root, gtest_header_path), 'r'): + m = INCLUDE_GTEST_FILE_REGEX.match(line) + if m: + # It's '#include ' - let's process it recursively. + ProcessFile('include/' + m.group(1)) + else: + # Otherwise we copy the line unchanged to the output file. + output_file.write(line) + + ProcessFile(GTEST_H_SEED) + output_file.close() + + +def FuseGTestAllCc(gtest_root, output_dir): + """Scans folder gtest_root to generate gtest/gtest-all.cc in output_dir.""" + + output_file = file(os.path.join(output_dir, GTEST_ALL_CC_OUTPUT), 'w') + processed_files = sets.Set() + + def ProcessFile(gtest_source_file): + """Processes the given gtest source file.""" + + # We don't process the same #included file twice. + if gtest_source_file in processed_files: + return + + processed_files.add(gtest_source_file) + + # Reads each line in the given gtest source file. + for line in file(os.path.join(gtest_root, gtest_source_file), 'r'): + m = INCLUDE_GTEST_FILE_REGEX.match(line) + if m: + if 'include/' + m.group(1) == GTEST_SPI_H_SEED: + # It's '#include '. This file is not + # #included by , so we need to process it. + ProcessFile(GTEST_SPI_H_SEED) + else: + # It's '#include ' where foo is not gtest-spi. + # We treat it as '#include ', as all other + # gtest headers are being fused into gtest.h and cannot be + # #included directly. + + # There is no need to #include more than once. + if not GTEST_H_SEED in processed_files: + processed_files.add(GTEST_H_SEED) + output_file.write('#include <%s>\n' % (GTEST_H_OUTPUT,)) + else: + m = INCLUDE_SRC_FILE_REGEX.match(line) + if m: + # It's '#include "src/foo"' - let's process it recursively. + ProcessFile(m.group(1)) + else: + output_file.write(line) + + ProcessFile(GTEST_ALL_CC_SEED) + output_file.close() + + +def FuseGTest(gtest_root, output_dir): + ValidateGTestRootDir(gtest_root) + ValidateOutputDir(output_dir) + + FuseGTestH(gtest_root, output_dir) + FuseGTestAllCc(gtest_root, output_dir) + + +def main(): + argc = len(sys.argv) + if argc == 2: + # fuse_gtest_files.py OUTPUT_DIR + FuseGTest(GetGTestRootDir(), sys.argv[1]) + elif argc == 3: + # fuse_gtest_files.py GTEST_ROOT_DIR OUTPUT_DIR + FuseGTest(sys.argv[1], sys.argv[2]) + else: + print __doc__ + sys.exit(1) + + +if __name__ == '__main__': + main() diff --git a/scripts/test/Makefile b/scripts/test/Makefile new file mode 100644 index 00000000..ffc0c90a --- /dev/null +++ b/scripts/test/Makefile @@ -0,0 +1,57 @@ +# A Makefile for fusing Google Test and building a sample test against it. +# +# SYNOPSIS: +# +# make [all] - makes everything. +# make TARGET - makes the given target. +# make check - makes everything and runs the built sample test. +# make clean - removes all files generated by make. + +# Points to the root of fused Google Test, relative to where this file is. +FUSED_GTEST_DIR = output + +# Paths to the fused gtest files. +FUSED_GTEST_H = $(FUSED_GTEST_DIR)/gtest/gtest.h +FUSED_GTEST_ALL_CC = $(FUSED_GTEST_DIR)/gtest/gtest-all.cc + +# Where to find the sample test. +SAMPLE_DIR = ../../samples + +# Where to find gtest_main.cc. +GTEST_MAIN_CC = ../../src/gtest_main.cc + +# Flags passed to the preprocessor. +CPPFLAGS += -I$(FUSED_GTEST_DIR) + +# Flags passed to the C++ compiler. +CXXFLAGS += -g + +all : sample1_unittest + +check : all + ./sample1_unittest + +clean : + rm -rf $(FUSED_GTEST_DIR) sample1_unittest *.o + +$(FUSED_GTEST_H) : + ../fuse_gtest_files.py $(FUSED_GTEST_DIR) + +$(FUSED_GTEST_ALL_CC) : + ../fuse_gtest_files.py $(FUSED_GTEST_DIR) + +gtest-all.o : $(FUSED_GTEST_H) $(FUSED_GTEST_ALL_CC) + $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $(FUSED_GTEST_DIR)/gtest/gtest-all.cc + +gtest_main.o : $(FUSED_GTEST_H) $(GTEST_MAIN_CC) + $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $(GTEST_MAIN_CC) + +sample1.o : $(SAMPLE_DIR)/sample1.cc $(SAMPLE_DIR)/sample1.h + $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $(SAMPLE_DIR)/sample1.cc + +sample1_unittest.o : $(SAMPLE_DIR)/sample1_unittest.cc \ + $(SAMPLE_DIR)/sample1.h $(FUSED_GTEST_H) + $(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $(SAMPLE_DIR)/sample1_unittest.cc + +sample1_unittest : sample1.o sample1_unittest.o gtest-all.o gtest_main.o + $(CXX) $(CPPFLAGS) $(CXXFLAGS) $^ -o $@