| 1 | #!/usr/bin/python | 
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| 2 | from __future__ import print_function | 
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| 3 |  | 
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| 4 | from os import listdir, environ | 
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| 5 | from os.path import isfile, join, splitext | 
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| 6 | from subprocess import Popen, PIPE, STDOUT | 
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| 7 |  | 
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| 8 | import argparse | 
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| 9 | import os | 
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| 10 | import re | 
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| 11 | import stat | 
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| 12 | import sys | 
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| 13 |  | 
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| 14 | ################################################################################ | 
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| 15 | #               help functions | 
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| 16 | ################################################################################ | 
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| 17 |  | 
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| 18 | # Test class that defines what a test is | 
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| 19 | class Test: | 
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| 20 | def __init__(self, name, path): | 
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| 21 | self.name, self.path = name, path | 
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| 22 |  | 
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| 23 | # parses the Makefile to find the machine type (32-bit / 64-bit) | 
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| 24 | def getMachineType(): | 
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| 25 | with open('Makefile') as file: | 
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| 26 | makefile = file.read() | 
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| 27 | m = re.search("CFA_FLAGS\s*=\s*-m(.*)", makefile) | 
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| 28 | return m.group(1) | 
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| 29 |  | 
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| 30 | # reads the directory ./.expect and indentifies the tests | 
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| 31 | def listTests(): | 
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| 32 | machineType = getMachineType() | 
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| 33 |  | 
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| 34 | # tests directly in the .expect folder will always be processed | 
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| 35 | generic_list = map(lambda fname: Test(fname, fname), | 
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| 36 | [splitext(f)[0] for f in listdir('./.expect') | 
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| 37 | if not f.startswith('.') and f.endswith('.txt') | 
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| 38 | ]) | 
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| 39 |  | 
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| 40 | # tests in the machineType folder will be ran only for the corresponding compiler | 
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| 41 | typed_list = map(lambda fname: Test( fname, "%s/%s" % (machineType, fname) ), | 
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| 42 | [splitext(f)[0] for f in listdir("./.expect/%s" % machineType) | 
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| 43 | if not f.startswith('.') and f.endswith('.txt') | 
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| 44 | ]) | 
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| 45 |  | 
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| 46 | # append both lists to get | 
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| 47 | return generic_list + typed_list | 
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| 48 |  | 
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| 49 | # helper functions to run terminal commands | 
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| 50 | def sh(cmd, dry_run = False, print2stdout = True): | 
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| 51 | if dry_run :    # if this is a dry_run, only print the commands that would be ran | 
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| 52 | print("cmd: %s" % cmd) | 
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| 53 | return 0, None | 
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| 54 | else :                  # otherwise create a pipe and run the desired command | 
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| 55 | proc = Popen(cmd, stdout=None if print2stdout else PIPE, stderr=STDOUT, shell=True) | 
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| 56 | out, err = proc.communicate() | 
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| 57 | return proc.returncode, out | 
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| 58 |  | 
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| 59 | # helper function to replace patterns in a file | 
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| 60 | def file_replace(fname, pat, s_after): | 
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| 61 | # first, see if the pattern is even in the file. | 
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| 62 | with open(fname) as f: | 
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| 63 | if not any(re.search(pat, line) for line in f): | 
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| 64 | return # pattern does not occur in file so we are done. | 
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| 65 |  | 
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| 66 | # pattern is in the file, so perform replace operation. | 
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| 67 | with open(fname) as f: | 
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| 68 | out_fname = fname + ".tmp" | 
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| 69 | out = open(out_fname, "w") | 
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| 70 | for line in f: | 
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| 71 | out.write(re.sub(pat, s_after, line)) | 
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| 72 | out.close() | 
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| 73 | os.rename(out_fname, fname) | 
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| 74 |  | 
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| 75 | # tests output may differ depending on the depth of the makefile | 
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| 76 | def fix_MakeLevel(file) : | 
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| 77 | if environ.get('MAKELEVEL') : | 
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| 78 | file_replace(file, "make\[%i\]" % int(environ.get('MAKELEVEL')), 'make' ) | 
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| 79 |  | 
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| 80 | # helper function to check if a files contains only a spacific string | 
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| 81 | def fileContainsOnly(file, text) : | 
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| 82 | with open(file) as f: | 
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| 83 | ff = f.read().strip() | 
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| 84 | result = ff == text.strip() | 
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| 85 |  | 
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| 86 | return result; | 
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| 87 |  | 
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| 88 | # check whether or not a file is executable | 
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| 89 | def fileIsExecutable(file) : | 
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| 90 | try : | 
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| 91 | fileinfo = os.stat(file) | 
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| 92 | return bool(fileinfo.st_mode & stat.S_IXUSR) | 
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| 93 | except Exception as inst: | 
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| 94 | print(type(inst))    # the exception instance | 
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| 95 | print(inst.args)     # arguments stored in .args | 
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| 96 | print(inst) | 
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| 97 | return False | 
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| 98 |  | 
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| 99 | # find the test data for a given test name | 
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| 100 | def filterTests(testname) : | 
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| 101 | found = [test for test in allTests if test.name == testname] | 
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| 102 | return (found[0] if len(found) == 1 else Test(testname, testname) ) | 
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| 103 |  | 
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| 104 | ################################################################################ | 
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| 105 | #               running test functions | 
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| 106 | ################################################################################ | 
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| 107 | def run_test_instance(test, generate, dry_run): | 
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| 108 |  | 
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| 109 | # find the output file based on the test name and options flag | 
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| 110 | out_file = (".out/%s.log" % test.name) if not generate else (".expect/%s.txt" % test.path) | 
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| 111 |  | 
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| 112 | # remove any outputs from the previous tests to prevent side effects | 
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| 113 | sh("rm -f %s" % out_file, dry_run) | 
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| 114 | sh("rm -f %s > /dev/null 2>&1" % test.name, dry_run) | 
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| 115 |  | 
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| 116 | # build, skipping to next test on error | 
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| 117 | make_ret, _ = sh("%s %s 2> %s 1> /dev/null" % (make_cmd, test.name, out_file), dry_run) | 
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| 118 |  | 
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| 119 | # if the make command succeds continue otherwise skip to diff | 
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| 120 | if make_ret == 0 : | 
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| 121 | # fetch optional input | 
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| 122 | stdinput = "< .in/%s.txt" % test.name if isfile(".in/%s.txt" % test.path) else "" | 
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| 123 |  | 
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| 124 | if fileIsExecutable(test.name) : | 
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| 125 | # run test | 
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| 126 | sh("./%s %s > %s 2>&1" % (test.name, stdinput, out_file), dry_run) | 
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| 127 | else : | 
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| 128 | # simply cat the result into the output | 
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| 129 | sh("cat %s > %s" % (test.name, out_file), dry_run) | 
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| 130 |  | 
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| 131 | retcode = 0 | 
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| 132 | error = None | 
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| 133 |  | 
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| 134 | # fix output to prevent make depth to cause issues | 
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| 135 | fix_MakeLevel(out_file) | 
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| 136 |  | 
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| 137 | if generate : | 
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| 138 | # if we are ounly generating the output we still need to check that the test actually exists | 
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| 139 | if not dry_run and fileContainsOnly(out_file, "make: *** No rule to make target `%s'.  Stop." % test.name) : | 
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| 140 | retcode = 1; | 
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| 141 | error = "\t\tNo make target for test %s!" % test | 
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| 142 | sh("rm %s" % out_file, False) | 
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| 143 |  | 
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| 144 | else : | 
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| 145 | # diff the output of the files | 
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| 146 | diff_cmd = ("diff --old-group-format='\t\tmissing lines :\n" | 
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| 147 | "%%<' \\\n" | 
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| 148 | "--new-group-format='\t\tnew lines :\n" | 
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| 149 | "%%>' \\\n" | 
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| 150 | "--unchanged-group-format='%%=' \\" | 
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| 151 | "--changed-group-format='\t\texpected :\n" | 
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| 152 | "%%<\n" | 
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| 153 | "\t\tgot :\n" | 
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| 154 | "%%>' \\\n" | 
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| 155 | "--new-line-format='\t\t%%dn\t%%L' \\\n" | 
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| 156 | "--old-line-format='\t\t%%dn\t%%L' \\\n" | 
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| 157 | "--unchanged-line-format='' \\\n" | 
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| 158 | ".expect/%s.txt .out/%s.log") | 
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| 159 |  | 
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| 160 | # fetch return code and error from the diff command | 
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| 161 | retcode, error = sh(diff_cmd % (test.path, test.name), dry_run, False) | 
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| 162 |  | 
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| 163 | # clean the executable | 
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| 164 | sh("rm -f %s > /dev/null 2>&1" % test.name, dry_run) | 
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| 165 |  | 
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| 166 | return retcode, error | 
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| 167 |  | 
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| 168 | # run the given list of tests with the given parameters | 
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| 169 | def run_tests(tests, generate, dry_run, jobs) : | 
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| 170 | # clean the sandbox from previous commands | 
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| 171 | sh("%s clean > /dev/null 2>&1" % make_cmd, dry_run) | 
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| 172 |  | 
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| 173 | #make sure the required folder are present | 
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| 174 | sh('mkdir -p .out .expect', dry_run) | 
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| 175 |  | 
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| 176 | if generate : | 
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| 177 | print( "Regenerate tests for: " ) | 
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| 178 |  | 
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| 179 | failed = False; | 
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| 180 | # for eeach test to run | 
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| 181 | for t in tests: | 
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| 182 | # print formated name | 
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| 183 | name_txt = "%20s  " % t.name | 
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| 184 |  | 
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| 185 | #run the test instance and collect the result | 
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| 186 | test_failed, error = run_test_instance(t, generate, dry_run) | 
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| 187 |  | 
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| 188 | # aggregate test suite result | 
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| 189 | failed = test_failed or failed | 
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| 190 |  | 
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| 191 | # update output based on current action | 
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| 192 | if generate : | 
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| 193 | failed_txt = "ERROR" | 
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| 194 | success_txt = "Done" | 
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| 195 | else : | 
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| 196 | failed_txt = "FAILED" | 
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| 197 | success_txt = "PASSED" | 
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| 198 |  | 
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| 199 | #print result with error if needed | 
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| 200 | text = name_txt + (failed_txt if test_failed else success_txt) | 
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| 201 | out = sys.stdout | 
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| 202 | if error : | 
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| 203 | text = text + "\n" + error | 
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| 204 | out = sys.stderr | 
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| 205 |  | 
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| 206 | print(text, file = out); | 
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| 207 | sys.stdout.flush() | 
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| 208 | sys.stderr.flush() | 
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| 209 |  | 
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| 210 |  | 
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| 211 | #clean the workspace | 
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| 212 | sh("%s clean > /dev/null 2>&1" % make_cmd, dry_run) | 
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| 213 |  | 
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| 214 | return 1 if failed else 0 | 
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| 215 |  | 
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| 216 | ################################################################################ | 
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| 217 | #               main loop | 
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| 218 | ################################################################################ | 
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| 219 | # create a parser with the arguments for the tests script | 
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| 220 | parser = argparse.ArgumentParser(description='Script which runs cforall tests') | 
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| 221 | parser.add_argument('--dry-run', help='Don\'t run the tests, only output the commands', action='store_true') | 
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| 222 | parser.add_argument('--list', help='List all test available', action='store_true') | 
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| 223 | parser.add_argument('--all', help='Run all test available', action='store_true') | 
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| 224 | parser.add_argument('--regenerate-expected', help='Regenerate the .expect by running the specified tets, can be used with --all option', action='store_true') | 
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| 225 | parser.add_argument('-j', '--jobs', help='Number of tests to run simultaneously', type=int, default='8') | 
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| 226 | parser.add_argument('tests', metavar='test', type=str, nargs='*', help='a list of tests to run') | 
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| 227 |  | 
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| 228 | # parse the command line arguments | 
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| 229 | options = parser.parse_args() | 
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| 230 |  | 
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| 231 | # script must have at least some tests to run | 
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| 232 | if (len(options.tests) > 0  and     options.all and not options.list) \ | 
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| 233 | or (len(options.tests) == 0 and not options.all and not options.list) : | 
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| 234 | print('ERROR: must have option \'--all\' or non-empty test list', file=sys.stderr) | 
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| 235 | parser.print_help() | 
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| 236 | sys.exit(1) | 
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| 237 |  | 
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| 238 | # fetch the liest of all valid tests | 
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| 239 | allTests = listTests() | 
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| 240 |  | 
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| 241 | # if user wants all tests than no other treatement of the test list is required | 
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| 242 | if options.all or options.list : | 
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| 243 | tests = allTests | 
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| 244 |  | 
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| 245 | else : | 
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| 246 | #otherwise we need to validate that the test list that was entered is valid | 
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| 247 | tests = [] | 
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| 248 |  | 
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| 249 | # if we are regenerating the tests we need to find the information of the | 
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| 250 | # already existing tests and create new info for the new tests | 
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| 251 | if options.regenerate_expected : | 
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| 252 | tests = map(filterTests, options.tests) | 
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| 253 |  | 
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| 254 | else : | 
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| 255 | # otherwise we only need to validate that all tests are present in the complete list | 
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| 256 | for testname in options.tests: | 
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| 257 | test = [t for t in allTests if t.name == testname] | 
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| 258 |  | 
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| 259 | if len(test) != 0 : | 
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| 260 | tests.append( test[0] ) | 
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| 261 | else : | 
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| 262 | print('ERROR: No expected file for test %s, ignoring it' % testname, file=sys.stderr) | 
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| 263 |  | 
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| 264 | # make sure we have at least some test to run | 
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| 265 | if len(tests) == 0 : | 
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| 266 | print('ERROR: No valid test to run', file=sys.stderr) | 
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| 267 | sys.exit(1) | 
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| 268 |  | 
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| 269 | # sort the test alphabetically for convenience | 
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| 270 | tests.sort(key=lambda t: t.name) | 
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| 271 |  | 
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| 272 | # check if the user already passed in a number of jobs for multi-threading | 
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| 273 | make_flags = environ.get('MAKEFLAGS') | 
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| 274 | make_has_max_jobs = re.search("(-j|--jobs)\s*([0-9]+)", make_flags) if make_flags else None | 
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| 275 | make_max_jobs = make_has_max_jobs.group(2) if make_has_max_jobs else None | 
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| 276 | make_cmd = "make" if make_flags and "-j" in make_flags else "make -j8" | 
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| 277 |  | 
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| 278 | # make sure we have a valid number of jobs that corresponds to user input | 
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| 279 | options.jobs = int(make_max_jobs) if make_max_jobs else options.jobs | 
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| 280 | if options.jobs <= 0 : | 
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| 281 | print('ERROR: Invalid number of jobs', file=sys.stderr) | 
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| 282 | sys.exit(1) | 
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| 283 |  | 
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| 284 | # users may want to simply list the tests | 
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| 285 | if options.list : | 
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| 286 | print("\n".join(map(lambda t: "%s (%s)" % (t.name, t.path), tests))) | 
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| 287 |  | 
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| 288 | else : | 
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| 289 | # otherwise run all tests and make sure to return the correct error code | 
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| 290 | sys.exit( run_tests(tests, options.regenerate_expected, options.dry_run, options.jobs) ) | 
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