# ==========================================
# Unity Project - A Test Framework for C
# Copyright (c) 2007 Mike Karlesky, Mark VanderVoord, Greg Williams
# [Released under MIT License. Please refer to license.txt for details]
# ==========================================
$QUICK_RUBY_VERSION = RUBY_VERSION.split('.').inject(0){|vv,v| vv * 100 + v.to_i }
File.expand_path(File.join(File.dirname(__FILE__),'colour_prompt'))
class UnityTestRunnerGenerator
def initialize(options = nil)
@options = UnityTestRunnerGenerator.default_options
case(options)
when NilClass then @options
when String then @options.merge!(UnityTestRunnerGenerator.grab_config(options))
when Hash then @options.merge!(options)
else raise "If you specify arguments, it should be a filename or a hash of options"
end
require "#{File.expand_path(File.dirname(__FILE__))}/type_sanitizer"
end
def self.default_options
{
:includes => [],
:plugins => [],
:framework => :unity,
:test_prefix => "test|spec|should",
:setup_name => "setUp",
:teardown_name => "tearDown",
}
end
def self.grab_config(config_file)
options = self.default_options
unless (config_file.nil? or config_file.empty?)
require 'yaml'
yaml_guts = YAML.load_file(config_file)
options.merge!(yaml_guts[:unity] || yaml_guts[:cmock])
raise "No :unity or :cmock section found in #{config_file}" unless options
end
return(options)
end
def run(input_file, output_file, options=nil)
tests = []
testfile_includes = []
used_mocks = []
@options.merge!(options) unless options.nil?
module_name = File.basename(input_file)
#pull required data from source file
source = File.read(input_file)
source = source.force_encoding("ISO-8859-1").encode("utf-8", :replace => nil) if ($QUICK_RUBY_VERSION > 10900)
tests = find_tests(source)
headers = find_includes(source)
testfile_includes = headers[:local] + headers[:system]
used_mocks = find_mocks(testfile_includes)
#build runner file
generate(input_file, output_file, tests, used_mocks, testfile_includes)
#determine which files were used to return them
all_files_used = [input_file, output_file]
all_files_used += testfile_includes.map {|filename| filename + '.c'} unless testfile_includes.empty?
all_files_used += @options[:includes] unless @options[:includes].empty?
return all_files_used.uniq
end
def generate(input_file, output_file, tests, used_mocks, testfile_includes)
File.open(output_file, 'w') do |output|
create_header(output, used_mocks, testfile_includes)
create_externs(output, tests, used_mocks)
create_mock_management(output, used_mocks)
create_suite_setup_and_teardown(output)
create_reset(output, used_mocks)
create_main(output, input_file, tests, used_mocks)
end
end
def find_tests(source)
tests_and_line_numbers = []
source_scrubbed = source.gsub(/\/\/.*$/, '') # remove line comments
source_scrubbed = source_scrubbed.gsub(/\/\*.*?\*\//m, '') # remove block comments
lines = source_scrubbed.split(/(^\s*\#.*$) # Treat preprocessor directives as a logical line
| (;|\{|\}) /x) # Match ;, {, and } as end of lines
lines.each_with_index do |line, index|
#find tests
if line =~ /^((?:\s*TEST_CASE\s*\(.*?\)\s*)*)\s*void\s+((?:#{@options[:test_prefix]}).*)\s*\(\s*(.*)\s*\)/
arguments = $1
name = $2
call = $3
args = nil
if (@options[:use_param_tests] and !arguments.empty?)
args = []
arguments.scan(/\s*TEST_CASE\s*\((.*)\)\s*$/) {|a| args << a[0]}
end
tests_and_line_numbers << { :test => name, :args => args, :call => call, :line_number => 0 }
end
end
tests_and_line_numbers.uniq! {|v| v[:test] }
#determine line numbers and create tests to run
source_lines = source.split("\n")
source_index = 0;
tests_and_line_numbers.size.times do |i|
source_lines[source_index..-1].each_with_index do |line, index|
if (line =~ /#{tests_and_line_numbers[i][:test]}/)
source_index += index
tests_and_line_numbers[i][:line_number] = source_index + 1
break
end
end
end
return tests_and_line_numbers
end
def find_includes(source)
#remove comments (block and line, in three steps to ensure correct precedence)
source.gsub!(/\/\/(?:.+\/\*|\*(?:$|[^\/])).*$/, '') # remove line comments that comment out the start of blocks
source.gsub!(/\/\*.*?\*\//m, '') # remove block comments
source.gsub!(/\/\/.*$/, '') # remove line comments (all that remain)
#parse out includes
includes = {
:local => source.scan(/^\s*#include\s+\"\s*(.+)\.[hH]\s*\"/).flatten,
:system => source.scan(/^\s*#include\s+<\s*(.+)\s*>/).flatten.map { |inc| "<#{inc}>" }
}
return includes
end
def find_mocks(includes)
mock_headers = []
includes.each do |include_file|
mock_headers << File.basename(include_file) if (include_file =~ /^mock/i)
end
return mock_headers
end
def create_header(output, mocks, testfile_includes=[])
output.puts('/* AUTOGENERATED FILE. DO NOT EDIT. */')
create_runtest(output, mocks)
output.puts("\n//=======Automagically Detected Files To Include=====")
output.puts("#include \"#{@options[:framework].to_s}.h\"")
output.puts('#include "cmock.h"') unless (mocks.empty?)
@options[:includes].flatten.uniq.compact.each do |inc|
output.puts("#include #{inc.include?('<') ? inc : "\"#{inc.gsub('.h','')}.h\""}")
end
output.puts('#include <setjmp.h>')
output.puts('#include <stdio.h>')
output.puts('#include "CException.h"') if @options[:plugins].include?(:cexception)
testfile_includes.delete_if{|inc| inc =~ /(unity|cmock)/}
testrunner_includes = testfile_includes - mocks
testrunner_includes.each do |inc|
output.puts("#include #{inc.include?('<') ? inc : "\"#{inc.gsub('.h','')}.h\""}")
end
mocks.each do |mock|
output.puts("#include \"#{mock.gsub('.h','')}.h\"")
end
if @options[:enforce_strict_ordering]
output.puts('')
output.puts('int GlobalExpectCount;')
output.puts('int GlobalVerifyOrder;')
output.puts('char* GlobalOrderError;')
end
end
def create_externs(output, tests, mocks)
output.puts("\n//=======External Functions This Runner Calls=====")
output.puts("extern void #{@options[:setup_name]}(void);")
output.puts("extern void #{@options[:teardown_name]}(void);")
tests.each do |test|
output.puts("extern void #{test[:test]}(#{test[:call] || 'void'});")
end
output.puts('')
end
def create_mock_management(output, mocks)
unless (mocks.empty?)
output.puts("\n//=======Mock Management=====")
output.puts("static void CMock_Init(void)")
output.puts("{")
if @options[:enforce_strict_ordering]
output.puts(" GlobalExpectCount = 0;")
output.puts(" GlobalVerifyOrder = 0;")
output.puts(" GlobalOrderError = NULL;")
end
mocks.each do |mock|
mock_clean = TypeSanitizer.sanitize_c_identifier(mock)
output.puts(" #{mock_clean}_Init();")
end
output.puts("}\n")
output.puts("static void CMock_Verify(void)")
output.puts("{")
mocks.each do |mock|
mock_clean = TypeSanitizer.sanitize_c_identifier(mock)
output.puts(" #{mock_clean}_Verify();")
end
output.puts("}\n")
output.puts("static void CMock_Destroy(void)")
output.puts("{")
mocks.each do |mock|
mock_clean = TypeSanitizer.sanitize_c_identifier(mock)
output.puts(" #{mock_clean}_Destroy();")
end
output.puts("}\n")
end
end
def create_suite_setup_and_teardown(output)
unless (@options[:suite_setup].nil?)
output.puts("\n//=======Suite Setup=====")
output.puts("static void suite_setup(void)")
output.puts("{")
output.puts(@options[:suite_setup])
output.puts("}")
end
unless (@options[:suite_teardown].nil?)
output.puts("\n//=======Suite Teardown=====")
output.puts("static int suite_teardown(int num_failures)")
output.puts("{")
output.puts(@options[:suite_teardown])
output.puts("}")
end
end
def create_runtest(output, used_mocks)
cexception = @options[:plugins].include? :cexception
va_args1 = @options[:use_param_tests] ? ', ...' : ''
va_args2 = @options[:use_param_tests] ? '__VA_ARGS__' : ''
output.puts("\n//=======Test Runner Used To Run Each Test Below=====")
output.puts("#define RUN_TEST_NO_ARGS") if @options[:use_param_tests]
output.puts("#define RUN_TEST(TestFunc, TestLineNum#{va_args1}) \\")
output.puts("{ \\")
output.puts(" Unity.CurrentTestName = #TestFunc#{va_args2.empty? ? '' : " \"(\" ##{va_args2} \")\""}; \\")
output.puts(" Unity.CurrentTestLineNumber = TestLineNum; \\")
output.puts(" Unity.NumberOfTests++; \\")
output.puts(" CMock_Init(); \\") unless (used_mocks.empty?)
output.puts(" if (TEST_PROTECT()) \\")
output.puts(" { \\")
output.puts(" CEXCEPTION_T e; \\") if cexception
output.puts(" Try { \\") if cexception
output.puts(" #{@options[:setup_name]}(); \\")
output.puts(" TestFunc(#{va_args2}); \\")
output.puts(" } Catch(e) { TEST_ASSERT_EQUAL_HEX32_MESSAGE(CEXCEPTION_NONE, e, \"Unhandled Exception!\"); } \\") if cexception
output.puts(" } \\")
output.puts(" if (TEST_PROTECT() && !TEST_IS_IGNORED) \\")
output.puts(" { \\")
output.puts(" #{@options[:teardown_name]}(); \\")
output.puts(" CMock_Verify(); \\") unless (used_mocks.empty?)
output.puts(" } \\")
output.puts(" CMock_Destroy(); \\") unless (used_mocks.empty?)
output.puts(" UnityConcludeTest(); \\")
output.puts("}\n")
end
def create_reset(output, used_mocks)
output.puts("\n//=======Test Reset Option=====")
output.puts("void resetTest(void);")
output.puts("void resetTest(void)")
output.puts("{")
output.puts(" CMock_Verify();") unless (used_mocks.empty?)
output.puts(" CMock_Destroy();") unless (used_mocks.empty?)
output.puts(" #{@options[:teardown_name]}();")
output.puts(" CMock_Init();") unless (used_mocks.empty?)
output.puts(" #{@options[:setup_name]}();")
output.puts("}")
end
def create_main(output, filename, tests, used_mocks)
output.puts("\nchar const *progname;\n")
output.puts("\n\n//=======MAIN=====")
output.puts("int main(int argc, char *argv[])")
output.puts("{")
output.puts(" progname = argv[0];\n")
modname = filename.split(/[\/\\]/).last
output.puts(" suite_setup();") unless @options[:suite_setup].nil?
output.puts(" UnityBegin(\"#{modname}\");")
if (@options[:use_param_tests])
tests.each do |test|
if ((test[:args].nil?) or (test[:args].empty?))
output.puts(" RUN_TEST(#{test[:test]}, #{test[:line_number]}, RUN_TEST_NO_ARGS);")
else
test[:args].each {|args| output.puts(" RUN_TEST(#{test[:test]}, #{test[:line_number]}, #{args});")}
end
end
else
tests.each { |test| output.puts(" RUN_TEST(#{test[:test]}, #{test[:line_number]});") }
end
output.puts()
output.puts(" CMock_Guts_MemFreeFinal();") unless used_mocks.empty?
output.puts(" return #{@options[:suite_teardown].nil? ? "" : "suite_teardown"}(UnityEnd());")
output.puts("}")
end
end
if ($0 == __FILE__)
options = { :includes => [] }
yaml_file = nil
#parse out all the options first (these will all be removed as we go)
ARGV.reject! do |arg|
case(arg)
when '-cexception'
options[:plugins] = [:cexception]; true
when /\.*\.ya?ml/
options = UnityTestRunnerGenerator.grab_config(arg); true
when /\.*\.h/
options[:includes] << arg; true
when /--(\w+)=\"?(.*)\"?/
options[$1.to_sym] = $2; true
else false
end
end
#make sure there is at least one parameter left (the input file)
if !ARGV[0]
puts ["\nusage: ruby #{__FILE__} (files) (options) input_test_file (output)",
"\n input_test_file - this is the C file you want to create a runner for",
" output - this is the name of the runner file to generate",
" defaults to (input_test_file)_Runner",
" files:",
" *.yml / *.yaml - loads configuration from here in :unity or :cmock",
" *.h - header files are added as #includes in runner",
" options:",
" -cexception - include cexception support",
" --setup_name=\"\" - redefine setUp func name to something else",
" --teardown_name=\"\" - redefine tearDown func name to something else",
" --test_prefix=\"\" - redefine test prefix from default test|spec|should",
" --suite_setup=\"\" - code to execute for setup of entire suite",
" --suite_teardown=\"\" - code to execute for teardown of entire suite",
" --use_param_tests=1 - enable parameterized tests (disabled by default)",
].join("\n")
exit 1
end
#create the default test runner name if not specified
ARGV[1] = ARGV[0].gsub(".c","_Runner.c") if (!ARGV[1])
UnityTestRunnerGenerator.new(options).run(ARGV[0], ARGV[1])
end