Ram Gandikota
/
ABCD
A metronome using the FRDM K64F board
Diff: pal/Test/Unity/auto/generate_test_runner.rb
- Revision:
- 0:a7a43371b306
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/pal/Test/Unity/auto/generate_test_runner.rb Sun May 14 18:40:18 2017 +0000 @@ -0,0 +1,391 @@ +# ========================================== +# 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] +# ========================================== + +$QUICK_RUBY_VERSION = RUBY_VERSION.split('.').inject(0){|vv,v| vv * 100 + v.to_i } +File.expand_path(File.join(File.dirname(__FILE__),'colour_prompt')) + +class UnityTestRunnerGenerator + + def initialize(options = nil) + @options = UnityTestRunnerGenerator.default_options + case(options) + when NilClass then @options + when String then @options.merge!(UnityTestRunnerGenerator.grab_config(options)) + when Hash then @options.merge!(options) + else raise "If you specify arguments, it should be a filename or a hash of options" + end + require "#{File.expand_path(File.dirname(__FILE__))}/type_sanitizer" + end + + def self.default_options + { + :includes => [], + :plugins => [], + :framework => :unity, + :test_prefix => "test|spec|should", + :setup_name => "setUp", + :teardown_name => "tearDown", + :main_name => "main", + } + end + + def self.grab_config(config_file) + options = self.default_options + unless (config_file.nil? or config_file.empty?) + require 'yaml' + yaml_guts = YAML.load_file(config_file) + options.merge!(yaml_guts[:unity] || yaml_guts[:cmock]) + raise "No :unity or :cmock section found in #{config_file}" unless options + end + return(options) + end + + def run(input_file, output_file, options=nil) + tests = [] + testfile_includes = [] + used_mocks = [] + + @options.merge!(options) unless options.nil? + module_name = File.basename(input_file) + + #pull required data from source file + source = File.read(input_file) + source = source.force_encoding("ISO-8859-1").encode("utf-8", :replace => nil) if ($QUICK_RUBY_VERSION > 10900) + tests = find_tests(source) + headers = find_includes(source) + testfile_includes = (headers[:local] + headers[:system]) + used_mocks = find_mocks(testfile_includes) + testfile_includes = (testfile_includes - used_mocks) + testfile_includes.delete_if{|inc| inc =~ /(unity|cmock)/} + + #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 + + if (@options[:header_file] && !@options[:header_file].empty?) + File.open(@options[:header_file], 'w') do |output| + create_h_file(output, @options[:header_file], tests, testfile_includes, used_mocks) + end + end + end + + def find_tests(source) + tests_and_line_numbers = [] + + source_scrubbed = source.clone + source_scrubbed = source_scrubbed.gsub(/"[^"]*"/, '') # remove things in strings + source_scrubbed = source_scrubbed.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 + params = $4 + args = nil + if (@options[:use_param_tests] and !arguments.empty?) + args = [] + arguments.scan(/\s*TEST_CASE\s*\((.*)\)\s*$/) {|a| args << a[0]} + end + tests_and_line_numbers << { :test => name, :args => args, :call => call, :params => params, :line_number => 0 } + end + end + tests_and_line_numbers.uniq! {|v| v[:test] } + + #determine line numbers and create tests to run + source_lines = source.split("\n") + source_index = 0; + tests_and_line_numbers.size.times do |i| + source_lines[source_index..-1].each_with_index do |line, index| + if (line =~ /#{tests_and_line_numbers[i][:test]}/) + source_index += index + tests_and_line_numbers[i][:line_number] = source_index + 1 + break + end + end + end + + return tests_and_line_numbers + end + + def find_includes(source) + + #remove comments (block and line, in three steps to ensure correct precedence) + source.gsub!(/\/\/(?:.+\/\*|\*(?:$|[^\/])).*$/, '') # remove line comments that comment out the start of blocks + source.gsub!(/\/\*.*?\*\//m, '') # remove block comments + source.gsub!(/\/\/.*$/, '') # 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_path| + include_file = File.basename(include_path) + mock_headers << include_path 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?) + output.puts('#include <setjmp.h>') + output.puts('#include <stdio.h>') + output.puts('#include "CException.h"') if @options[:plugins].include?(:cexception) + if (@options[:header_file] && !@options[:header_file].empty?) + output.puts("#include \"#{File.basename(@options[:header_file])}\"") + else + @options[:includes].flatten.uniq.compact.each do |inc| + output.puts("#include #{inc.include?('<') ? inc : "\"#{inc.gsub('.h','')}.h\""}") + end + testfile_includes.each do |inc| + output.puts("#include #{inc.include?('<') ? inc : "\"#{inc.gsub('.h','')}.h\""}") + end + 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, mock_headers) + unless (mock_headers.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 = mock_headers.map {|mock| File.basename(mock)} + 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 int 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(" UNITY_CLR_DETAILS(); \\") 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("\n\n/*=======MAIN=====*/") + if (@options[:main_name] != "main") + output.puts("int #{@options[:main_name]}(void);") + end + output.puts("int #{@options[:main_name]}(void)") + output.puts("{") + output.puts(" suite_setup();") unless @options[:suite_setup].nil? + output.puts(" UnityBegin(\"#{filename.gsub(/\\/,'\\\\')}\");") + 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 + + def create_h_file(output, filename, tests, testfile_includes, used_mocks) + filename = File.basename(filename).gsub(/[-\/\\\.\,\s]/, "_").upcase + output.puts("/* AUTOGENERATED FILE. DO NOT EDIT. */") + output.puts("#ifndef _#{filename}") + output.puts("#define _#{filename}\n\n") + output.puts("#include \"#{@options[:framework].to_s}.h\"") + output.puts('#include "cmock.h"') unless (used_mocks.empty?) + @options[:includes].flatten.uniq.compact.each do |inc| + output.puts("#include #{inc.include?('<') ? inc : "\"#{inc.gsub('.h','')}.h\""}") + end + testfile_includes.each do |inc| + output.puts("#include #{inc.include?('<') ? inc : "\"#{inc.gsub('.h','')}.h\""}") + end + output.puts "\n" + tests.each do |test| + if ((test[:params].nil?) or (test[:params].empty?)) + output.puts("void #{test[:test]}(void);") + else + output.puts("void #{test[:test]}(#{test[:params]});") + end + end + output.puts("#endif\n\n") + 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 /--(\w+)=\"?(.*)\"?/ + options[$1.to_sym] = $2; true + when /\.*\.h/ + options[:includes] << arg; 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", + " --main_name=\"\" - redefine main 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)", + " --header_file=\"\" - path/name of test header file to generate too" + ].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