1 # ==========================================
2 # Unity Project - A Test Framework for C
3 # Copyright (c) 2007 Mike Karlesky, Mark VanderVoord, Greg Williams
4 # [Released under MIT License. Please refer to license.txt for details]
5 # ==========================================
7 File.expand_path(File.join(File.dirname(__FILE__),'colour_prompt'))
9 class UnityTestRunnerGenerator
11 def initialize(options = nil)
12 @options = { :includes => [], :plugins => [], :framework => :unity }
14 when NilClass then @options
15 when String then @options.merge!(UnityTestRunnerGenerator.grab_config(options))
16 when Hash then @options.merge!(options)
17 else raise "If you specify arguments, it should be a filename or a hash of options"
21 def self.grab_config(config_file)
22 options = { :includes => [], :plugins => [], :framework => :unity }
23 unless (config_file.nil? or config_file.empty?)
25 yaml_guts = YAML.load_file(config_file)
26 options.merge!(yaml_guts[:unity] ? yaml_guts[:unity] : yaml_guts[:cmock])
27 raise "No :unity or :cmock section found in #{config_file}" unless options
32 def run(input_file, output_file, options=nil)
37 @options.merge!(options) unless options.nil?
38 module_name = File.basename(input_file)
40 #pull required data from source file
41 File.open(input_file, 'r') do |input|
42 tests = find_tests(input)
43 includes = find_includes(input)
44 used_mocks = find_mocks(includes)
48 File.open(output_file, 'w') do |output|
49 create_header(output, used_mocks)
50 create_externs(output, tests, used_mocks)
51 create_mock_management(output, used_mocks)
52 create_suite_setup_and_teardown(output)
53 create_reset(output, used_mocks)
54 create_main(output, input_file, tests)
57 all_files_used = [input_file, output_file]
58 all_files_used += includes.map {|filename| filename + '.c'} unless includes.empty?
59 all_files_used += @options[:includes] unless @options[:includes].empty?
60 return all_files_used.uniq
63 def find_tests(input_file)
66 tests_and_line_numbers = []
69 source_raw = input_file.read
70 source_scrubbed = source_raw.gsub(/\/\/.*$/, '') # remove line comments
71 source_scrubbed = source_scrubbed.gsub(/\/\*.*?\*\//m, '') # remove block comments
72 lines = source_scrubbed.split(/(^\s*\#.*$) # Treat preprocessor directives as a logical line
73 | (;|\{|\}) /x) # Match ;, {, and } as end of lines
75 lines.each_with_index do |line, index|
77 if line =~ /^((?:\s*TEST_CASE\s*\(.*?\)\s*)*)\s*void\s+(test.*?)\s*\(\s*(.*)\s*\)/
80 args = (@options[:use_param_tests] and $1) ? ($1.gsub(/\s*TEST_CASE\s*\(\s*/,'').strip.split(/\s*\)/).compact) : nil
81 tests_and_line_numbers << { :name => name, :args => args, :call => call, :line_number => 0 }
86 #determine line numbers and create tests to run
87 source_lines = source_raw.split("\n")
89 tests_and_line_numbers.size.times do |i|
90 source_lines[source_index..-1].each_with_index do |line, index|
91 if (line =~ /#{tests_and_line_numbers[i][:name]}/)
93 tests_and_line_numbers[i][:line_number] = source_index + 1
99 return tests_and_line_numbers
102 def find_includes(input_file)
105 input_file.readlines.each do |line|
106 scan_results = line.scan(/^\s*#include\s+\"\s*(.+)\.[hH]\s*\"/)
107 includes << scan_results[0][0] if (scan_results.size > 0)
112 def find_mocks(includes)
114 includes.each do |include_file|
115 mock_headers << File.basename(include_file) if (include_file =~ /^mock/i)
120 def create_header(output, mocks)
121 output.puts('/* AUTOGENERATED FILE. DO NOT EDIT. */')
122 create_runtest(output, mocks)
123 output.puts("\n//=======Automagically Detected Files To Include=====")
124 output.puts("#include \"#{@options[:framework].to_s}.h\"")
125 output.puts('#include "cmock.h"') unless (mocks.empty?)
126 @options[:includes].flatten.uniq.compact.each do |includes|
127 output.puts("#include \"#{includes.gsub('.h','')}.h\"")
129 output.puts('#include <setjmp.h>')
130 output.puts('#include <stdio.h>')
131 output.puts('#include "CException.h"') if @options[:plugins].include?(:cexception)
133 output.puts("#include \"#{mock.gsub('.h','')}.h\"")
135 if @options[:enforce_strict_ordering]
137 output.puts('int GlobalExpectCount;')
138 output.puts('int GlobalVerifyOrder;')
139 output.puts('char* GlobalOrderError;')
143 def create_externs(output, tests, mocks)
144 output.puts("\n//=======External Functions This Runner Calls=====")
145 output.puts("extern void setUp(void);")
146 output.puts("extern void tearDown(void);")
147 output.puts("void resetTest(void);")
149 output.puts("extern void #{test[:name]}(#{test[:call]});")
154 def create_mock_management(output, mocks)
155 unless (mocks.empty?)
156 output.puts("\n//=======Mock Management=====")
157 output.puts("static void CMock_Init(void)")
159 if @options[:enforce_strict_ordering]
160 output.puts(" GlobalExpectCount = 0;")
161 output.puts(" GlobalVerifyOrder = 0;")
162 output.puts(" GlobalOrderError = NULL;")
165 output.puts(" #{mock}_Init();")
169 output.puts("static void CMock_Verify(void)")
172 output.puts(" #{mock}_Verify();")
176 output.puts("static void CMock_Destroy(void)")
179 output.puts(" #{mock}_Destroy();")
185 def create_suite_setup_and_teardown(output)
186 unless (@options[:suite_setup].nil?)
187 output.puts("\n//=======Suite Setup=====")
188 output.puts("static int suite_setup(void)")
190 output.puts(@options[:suite_setup])
193 unless (@options[:suite_teardown].nil?)
194 output.puts("\n//=======Suite Teardown=====")
195 output.puts("static int suite_teardown(int num_failures)")
197 output.puts(@options[:suite_teardown])
202 def create_runtest(output, used_mocks)
203 cexception = @options[:plugins].include? :cexception
204 va_args1 = @options[:use_param_tests] ? ', ...' : ''
205 va_args2 = @options[:use_param_tests] ? '__VA_ARGS__' : ''
206 output.puts("\n//=======Test Runner Used To Run Each Test Below=====")
207 output.puts("#define RUN_TEST_NO_ARGS") if @options[:use_param_tests]
208 output.puts("#define RUN_TEST(TestFunc, TestLineNum#{va_args1}) \\")
210 output.puts(" Unity.CurrentTestName = #TestFunc#{va_args2.empty? ? '' : " \"(\" ##{va_args2} \")\""}; \\")
211 output.puts(" Unity.CurrentTestLineNumber = TestLineNum; \\")
212 output.puts(" Unity.NumberOfTests++; \\")
213 output.puts(" if (TEST_PROTECT()) \\")
215 output.puts(" CEXCEPTION_T e; \\") if cexception
216 output.puts(" Try { \\") if cexception
217 output.puts(" CMock_Init(); \\") unless (used_mocks.empty?)
218 output.puts(" setUp(); \\")
219 output.puts(" TestFunc(#{va_args2}); \\")
220 output.puts(" CMock_Verify(); \\") unless (used_mocks.empty?)
221 output.puts(" } Catch(e) { TEST_ASSERT_EQUAL_HEX32_MESSAGE(CEXCEPTION_NONE, e, \"Unhandled Exception!\"); } \\") if cexception
223 output.puts(" CMock_Destroy(); \\") unless (used_mocks.empty?)
224 output.puts(" if (TEST_PROTECT() && !TEST_IS_IGNORED) \\")
226 output.puts(" tearDown(); \\")
228 output.puts(" UnityConcludeTest(); \\")
232 def create_reset(output, used_mocks)
233 output.puts("\n//=======Test Reset Option=====")
234 output.puts("void resetTest()")
236 output.puts(" CMock_Verify();") unless (used_mocks.empty?)
237 output.puts(" CMock_Destroy();") unless (used_mocks.empty?)
238 output.puts(" tearDown();")
239 output.puts(" CMock_Init();") unless (used_mocks.empty?)
240 output.puts(" setUp();")
244 def create_main(output, filename, tests)
245 output.puts("\nchar *progname;\n")
246 output.puts("\n\n//=======MAIN=====")
248 output.puts("int main(int argc, char *argv[])")
251 #output.puts("\nu_long current_time = 4; // needed by authkeys. Used only in to calculate lifetime.\n");
253 output.puts(" progname = argv[0];\n")
254 #not necessary after all
255 #output.puts(" init_lib();\n")
256 #output.puts(" init_auth();\n")
257 output.puts(" suite_setup();") unless @options[:suite_setup].nil?
258 output.puts(" Unity.TestFile = \"#{filename}\";")
259 output.puts(" UnityBegin(\"#{filename}\");")
261 if (@options[:use_param_tests])
263 if ((test[:args].nil?) or (test[:args].empty?))
264 output.puts(" RUN_TEST(#{test[:name]}, #{test[:line_number]}, RUN_TEST_NO_ARGS);")
266 test[:args].each {|args| output.puts(" RUN_TEST(#{test[:name]}, #{test[:line_number]}, #{args});")}
270 tests.each { |test| output.puts(" RUN_TEST(#{test[:name]}, #{test[:line_number]});") }
273 output.puts(" return #{@options[:suite_teardown].nil? ? "" : "suite_teardown"}(UnityEnd());")
280 options = { :includes => [] }
283 #parse out all the options first
284 ARGV.reject! do |arg|
287 options[:plugins] = [:cexception]; true
289 options = UnityTestRunnerGenerator.grab_config(arg); true
294 #make sure there is at least one parameter left (the input file)
296 puts ["usage: ruby #{__FILE__} (yaml) (options) input_test_file output_test_runner (includes)",
297 " blah.yml - will use config options in the yml file (see docs)",
298 " -cexception - include cexception support"].join("\n")
302 #create the default test runner name if not specified
303 ARGV[1] = ARGV[0].gsub(".c","_Runner.c") if (!ARGV[1])
305 #everything else is an include file
306 options[:includes] = (ARGV.slice(2..-1).flatten.compact) if (ARGV.size > 2)
308 UnityTestRunnerGenerator.new(options).run(ARGV[0], ARGV[1])