| 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 functools import partial
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| 5 | from multiprocessing import Pool
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| 6 | from os import listdir, environ
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| 7 | from os.path import isfile, join, splitext
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| 8 | from subprocess import Popen, PIPE, STDOUT
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| 9 |
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| 10 | import argparse
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| 11 | import os
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| 12 | import re
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| 13 | import stat
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| 14 | import sys
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| 15 |
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| 16 | ################################################################################
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| 17 | # help functions
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| 18 | ################################################################################
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| 19 |
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| 20 | # Test class that defines what a test is
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| 21 | class Test:
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| 22 | def __init__(self, name, path):
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| 23 | self.name, self.path = name, path
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| 24 |
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| 25 | # parses the Makefile to find the machine type (32-bit / 64-bit)
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| 26 | def getMachineType():
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| 27 | sh('echo "int main() { return 0; }" > .dummy.c')
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| 28 | sh("make .dummy", print2stdout=False)
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| 29 | _, out = sh("file .dummy", print2stdout=False)
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| 30 | sh("rm -f .dummy.c > /dev/null 2>&1")
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| 31 | sh("rm -f .dummy > /dev/null 2>&1")
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| 32 | return re.search("ELF\s([0-9]+)-bit", out).group(1)
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| 33 |
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| 34 | # reads the directory ./.expect and indentifies the tests
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| 35 | def listTests():
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| 36 | machineType = getMachineType()
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| 37 |
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| 38 | # tests directly in the .expect folder will always be processed
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| 39 | generic_list = map(lambda fname: Test(fname, fname),
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| 40 | [splitext(f)[0] for f in listdir('./.expect')
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| 41 | if not f.startswith('.') and f.endswith('.txt')
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| 42 | ])
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| 43 |
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| 44 | # tests in the machineType folder will be ran only for the corresponding compiler
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| 45 | typed_list = map(lambda fname: Test( fname, "%s/%s" % (machineType, fname) ),
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| 46 | [splitext(f)[0] for f in listdir("./.expect/%s" % machineType)
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| 47 | if not f.startswith('.') and f.endswith('.txt')
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| 48 | ])
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| 49 |
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| 50 | # append both lists to get
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| 51 | return generic_list + typed_list
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| 52 |
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| 53 | # helper functions to run terminal commands
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| 54 | def sh(cmd, dry_run = False, print2stdout = True):
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| 55 | if dry_run : # if this is a dry_run, only print the commands that would be ran
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| 56 | print("cmd: %s" % cmd)
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| 57 | return 0, None
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| 58 | else : # otherwise create a pipe and run the desired command
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| 59 | proc = Popen(cmd, stdout=None if print2stdout else PIPE, stderr=STDOUT, shell=True)
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| 60 | out, err = proc.communicate()
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| 61 | return proc.returncode, out
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| 62 |
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| 63 | # helper function to replace patterns in a file
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| 64 | def file_replace(fname, pat, s_after):
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| 65 | # first, see if the pattern is even in the file.
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| 66 | with open(fname) as f:
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| 67 | if not any(re.search(pat, line) for line in f):
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| 68 | return # pattern does not occur in file so we are done.
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| 69 |
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| 70 | # pattern is in the file, so perform replace operation.
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| 71 | with open(fname) as f:
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| 72 | out_fname = fname + ".tmp"
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| 73 | out = open(out_fname, "w")
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| 74 | for line in f:
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| 75 | out.write(re.sub(pat, s_after, line))
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| 76 | out.close()
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| 77 | os.rename(out_fname, fname)
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| 78 |
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| 79 | # tests output may differ depending on the depth of the makefile
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| 80 | def fix_MakeLevel(file) :
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| 81 | if environ.get('MAKELEVEL') :
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| 82 | file_replace(file, "make\[%i\]" % int(environ.get('MAKELEVEL')), 'make' )
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| 83 |
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| 84 | # helper function to check if a files contains only a spacific string
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| 85 | def fileContainsOnly(file, text) :
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| 86 | with open(file) as f:
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| 87 | ff = f.read().strip()
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| 88 | result = ff == text.strip()
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| 89 |
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| 90 | return result;
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| 91 |
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| 92 | # check whether or not a file is executable
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| 93 | def fileIsExecutable(file) :
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| 94 | try :
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| 95 | fileinfo = os.stat(file)
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| 96 | return bool(fileinfo.st_mode & stat.S_IXUSR)
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| 97 | except Exception as inst:
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| 98 | print(type(inst)) # the exception instance
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| 99 | print(inst.args) # arguments stored in .args
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| 100 | print(inst)
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| 101 | return False
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| 102 |
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| 103 | ################################################################################
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| 104 | # running test functions
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| 105 | ################################################################################
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| 106 | def run_single_test(test, generate, dry_run):
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| 107 |
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| 108 | # find the output file based on the test name and options flag
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| 109 | out_file = (".out/%s.log" % test.name) if not generate else (".expect/%s.txt" % test.path)
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| 110 |
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| 111 | # remove any outputs from the previous tests to prevent side effects
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| 112 | sh("rm -f %s" % out_file, dry_run)
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| 113 | sh("rm -f %s > /dev/null 2>&1" % test.name, dry_run)
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| 114 |
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| 115 | # build, skipping to next test on error
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| 116 | make_ret, _ = sh("%s %s 2> %s 1> /dev/null" % (make_cmd, test.name, out_file), dry_run)
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| 117 |
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| 118 | # if the make command succeds continue otherwise skip to diff
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| 119 | if make_ret == 0 :
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| 120 | # fetch optional input
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| 121 | stdinput = "< .in/%s.txt" % test.name if isfile(".in/%s.txt" % test.path) else ""
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| 122 |
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| 123 | if fileIsExecutable(test.name) :
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| 124 | # run test
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| 125 | sh("./%s %s > %s 2>&1" % (test.name, stdinput, out_file), dry_run)
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| 126 | else :
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| 127 | # simply cat the result into the output
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| 128 | sh("cat %s > %s" % (test.name, out_file), dry_run)
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| 129 |
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| 130 | retcode = 0
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| 131 | error = None
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| 132 |
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| 133 | # fix output to prevent make depth to cause issues
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| 134 | fix_MakeLevel(out_file)
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| 135 |
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| 136 | if generate :
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| 137 | # if we are ounly generating the output we still need to check that the test actually exists
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| 138 | if not dry_run and fileContainsOnly(out_file, "make: *** No rule to make target `%s'. Stop." % test.name) :
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| 139 | retcode = 1;
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| 140 | error = "\t\tNo make target for test %s!" % test.name
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| 141 | sh("rm %s" % out_file, False)
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| 142 |
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| 143 | else :
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| 144 | # diff the output of the files
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| 145 | diff_cmd = ("diff --old-group-format='\t\tmissing lines :\n"
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| 146 | "%%<' \\\n"
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| 147 | "--new-group-format='\t\tnew lines :\n"
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| 148 | "%%>' \\\n"
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| 149 | "--unchanged-group-format='%%=' \\"
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| 150 | "--changed-group-format='\t\texpected :\n"
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| 151 | "%%<\n"
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| 152 | "\t\tgot :\n"
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| 153 | "%%>' \\\n"
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| 154 | "--new-line-format='\t\t%%dn\t%%L' \\\n"
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| 155 | "--old-line-format='\t\t%%dn\t%%L' \\\n"
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| 156 | "--unchanged-line-format='' \\\n"
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| 157 | ".expect/%s.txt .out/%s.log")
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| 158 |
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| 159 | # fetch return code and error from the diff command
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| 160 | retcode, error = sh(diff_cmd % (test.path, test.name), dry_run, False)
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| 161 |
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| 162 | # clean the executable
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| 163 | sh("rm -f %s > /dev/null 2>&1" % test.name, dry_run)
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| 164 |
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| 165 | return retcode, error
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| 166 |
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| 167 | def run_test_instance(t, generate, dry_run) :
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| 168 | # print formated name
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| 169 | name_txt = "%20s " % t.name
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| 170 |
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| 171 | #run the test instance and collect the result
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| 172 | test_failed, error = run_single_test(t, generate, dry_run)
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| 173 |
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| 174 | # update output based on current action
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| 175 | if generate :
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| 176 | failed_txt = "ERROR"
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| 177 | success_txt = "Done"
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| 178 | else :
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| 179 | failed_txt = "FAILED"
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| 180 | success_txt = "PASSED"
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| 181 |
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| 182 | #print result with error if needed
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| 183 | text = name_txt + (failed_txt if test_failed else success_txt)
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| 184 | out = sys.stdout
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| 185 | if error :
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| 186 | text = text + "\n" + error
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| 187 | out = sys.stderr
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| 188 |
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| 189 | print(text, file = out);
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| 190 | sys.stdout.flush()
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| 191 | sys.stderr.flush()
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| 192 |
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| 193 | return test_failed
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| 194 |
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| 195 | # run the given list of tests with the given parameters
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| 196 | def run_tests(tests, generate, dry_run, jobs) :
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| 197 | # clean the sandbox from previous commands
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| 198 | sh("%s clean > /dev/null 2>&1" % make_cmd, dry_run)
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| 199 |
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| 200 | #make sure the required folder are present
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| 201 | sh('mkdir -p .out .expect', dry_run)
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| 202 |
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| 203 | if generate :
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| 204 | print( "Regenerate tests for: " )
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| 205 |
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| 206 | # for each test to run
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| 207 | pool = Pool(jobs)
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| 208 | try :
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| 209 | results = pool.map_async(partial(run_test_instance, generate=generate, dry_run=dry_run), tests ).get(99999999)
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| 210 | except KeyboardInterrupt:
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| 211 | pool.terminate()
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| 212 | print("Tests interrupted by user")
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| 213 | sys.exit(1)
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| 214 |
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| 215 | #clean the workspace
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| 216 | sh("%s clean > /dev/null 2>&1" % make_cmd, dry_run)
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| 217 |
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| 218 | for failed in results:
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| 219 | if failed :
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| 220 | return 1
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| 221 |
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| 222 | return 0
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| 223 |
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| 224 | ################################################################################
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| 225 | # main loop
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| 226 | ################################################################################
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| 227 | # create a parser with the arguments for the tests script
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| 228 | parser = argparse.ArgumentParser(description='Script which runs cforall tests')
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| 229 | parser.add_argument('--dry-run', help='Don\'t run the tests, only output the commands', action='store_true')
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| 230 | parser.add_argument('--list', help='List all test available', action='store_true')
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| 231 | parser.add_argument('--all', help='Run all test available', action='store_true')
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| 232 | 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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| 233 | parser.add_argument('-j', '--jobs', help='Number of tests to run simultaneously', type=int, default='8')
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| 234 | parser.add_argument('tests', metavar='test', type=str, nargs='*', help='a list of tests to run')
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| 235 |
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| 236 | # parse the command line arguments
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| 237 | options = parser.parse_args()
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| 238 |
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| 239 | # script must have at least some tests to run
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| 240 | if (len(options.tests) > 0 and options.all and not options.list) \
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| 241 | or (len(options.tests) == 0 and not options.all and not options.list) :
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| 242 | print('ERROR: must have option \'--all\' or non-empty test list', file=sys.stderr)
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| 243 | parser.print_help()
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| 244 | sys.exit(1)
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| 245 |
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| 246 | # fetch the liest of all valid tests
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| 247 | allTests = listTests()
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| 248 |
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| 249 | # if user wants all tests than no other treatement of the test list is required
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| 250 | if options.all or options.list :
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| 251 | tests = allTests
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| 252 |
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| 253 | else :
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| 254 | #otherwise we need to validate that the test list that was entered is valid
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| 255 | tests = []
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| 256 |
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| 257 | # if we are regenerating the tests we need to find the information of the
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| 258 | # already existing tests and create new info for the new tests
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| 259 | if options.regenerate_expected :
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| 260 | for testname in options.tests :
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| 261 | if testname.endswith(".c") or testname.endswith(".cc") or testname.endswith(".cpp") :
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| 262 | print('ERROR: "%s", tests are not allowed to end with a C/C++/CFA extension, ignoring it' % testname, file=sys.stderr)
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| 263 | else :
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| 264 | found = [test for test in allTests if test.name == testname]
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| 265 | tests.append( found[0] if len(found) == 1 else Test(testname, testname) )
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| 266 |
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| 267 | else :
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| 268 | # otherwise we only need to validate that all tests are present in the complete list
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| 269 | for testname in options.tests:
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| 270 | test = [t for t in allTests if t.name == testname]
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| 271 |
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| 272 | if len(test) != 0 :
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| 273 | tests.append( test[0] )
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| 274 | else :
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| 275 | print('ERROR: No expected file for test %s, ignoring it' % testname, file=sys.stderr)
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| 276 |
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| 277 | # make sure we have at least some test to run
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| 278 | if len(tests) == 0 :
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| 279 | print('ERROR: No valid test to run', file=sys.stderr)
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| 280 | sys.exit(1)
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| 281 |
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| 282 | # sort the test alphabetically for convenience
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| 283 | tests.sort(key=lambda t: t.name)
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| 284 |
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| 285 | # check if the user already passed in a number of jobs for multi-threading
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| 286 | make_flags = environ.get('MAKEFLAGS')
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| 287 | make_jobs_fds = re.search("--jobserver-fds=\s*([0-9]+),([0-9]+)", make_flags) if make_flags else None
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| 288 | if make_jobs_fds :
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| 289 | tokens = os.read(int(make_jobs_fds.group(1)), 1024)
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| 290 | options.jobs = len(tokens)
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| 291 | os.write(int(make_jobs_fds.group(2)), tokens)
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| 292 |
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| 293 | # make sure we have a valid number of jobs that corresponds to user input
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| 294 | if options.jobs <= 0 :
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| 295 | print('ERROR: Invalid number of jobs', file=sys.stderr)
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| 296 | sys.exit(1)
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| 297 |
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| 298 | print('Running on %i cores' % options.jobs)
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| 299 | make_cmd = "make" if make_flags else ("make -j%i" % options.jobs)
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| 300 |
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| 301 | # users may want to simply list the tests
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| 302 | if options.list :
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| 303 | print("\n".join(map(lambda t: "%s (%s)" % (t.name, t.path), tests)))
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| 304 |
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| 305 | else :
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| 306 | # otherwise run all tests and make sure to return the correct error code
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| 307 | sys.exit( run_tests(tests, options.regenerate_expected, options.dry_run, options.jobs) )
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