| 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 |         sh('echo "int main() { return 0; }" > .dummy.c')
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| 26 |         sh("make .dummy", print2stdout=False)
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| 27 |         _, out = sh("file .dummy", print2stdout=False)
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| 28 |         sh("rm -f .dummy.c > /dev/null 2>&1")
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| 29 |         sh("rm -f .dummy > /dev/null 2>&1")
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| 30 |         return re.search("ELF\s([0-9]+)-bit", out).group(1)
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| 31 | 
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| 32 | # reads the directory ./.expect and indentifies the tests
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| 33 | def listTests():
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| 34 |         machineType = getMachineType()
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| 35 | 
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| 36 |         # tests directly in the .expect folder will always be processed
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| 37 |         generic_list = map(lambda fname: Test(fname, fname),
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| 38 |                 [splitext(f)[0] for f in listdir('./.expect')
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| 39 |                 if not f.startswith('.') and f.endswith('.txt')
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| 40 |                 ])
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| 41 | 
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| 42 |         # tests in the machineType folder will be ran only for the corresponding compiler
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| 43 |         typed_list = map(lambda fname: Test( fname, "%s/%s" % (machineType, fname) ),
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| 44 |                 [splitext(f)[0] for f in listdir("./.expect/%s" % machineType)
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| 45 |                 if not f.startswith('.') and f.endswith('.txt')
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| 46 |                 ])
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| 47 | 
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| 48 |         # append both lists to get
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| 49 |         return generic_list + typed_list
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| 50 | 
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| 51 | # helper functions to run terminal commands
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| 52 | def sh(cmd, dry_run = False, print2stdout = True):
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| 53 |         if dry_run :    # if this is a dry_run, only print the commands that would be ran
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| 54 |                 print("cmd: %s" % cmd)
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| 55 |                 return 0, None
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| 56 |         else :                  # otherwise create a pipe and run the desired command
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| 57 |                 proc = Popen(cmd, stdout=None if print2stdout else PIPE, stderr=STDOUT, shell=True)
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| 58 |                 out, err = proc.communicate()
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| 59 |                 return proc.returncode, out
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| 60 | 
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| 61 | # helper function to replace patterns in a file
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| 62 | def file_replace(fname, pat, s_after):
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| 63 |     # first, see if the pattern is even in the file.
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| 64 |     with open(fname) as f:
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| 65 |         if not any(re.search(pat, line) for line in f):
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| 66 |             return # pattern does not occur in file so we are done.
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| 67 | 
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| 68 |     # pattern is in the file, so perform replace operation.
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| 69 |     with open(fname) as f:
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| 70 |         out_fname = fname + ".tmp"
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| 71 |         out = open(out_fname, "w")
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| 72 |         for line in f:
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| 73 |             out.write(re.sub(pat, s_after, line))
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| 74 |         out.close()
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| 75 |         os.rename(out_fname, fname)
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| 76 | 
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| 77 | # tests output may differ depending on the depth of the makefile
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| 78 | def fix_MakeLevel(file) :
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| 79 |         if environ.get('MAKELEVEL') :
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| 80 |                 file_replace(file, "make\[%i\]" % int(environ.get('MAKELEVEL')), 'make' )
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| 81 | 
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| 82 | # helper function to check if a files contains only a spacific string
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| 83 | def fileContainsOnly(file, text) :
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| 84 |         with open(file) as f:
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| 85 |                 ff = f.read().strip()
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| 86 |                 result = ff == text.strip()
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| 87 | 
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| 88 |                 return result;
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| 89 | 
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| 90 | # check whether or not a file is executable
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| 91 | def fileIsExecutable(file) :
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| 92 |         try :
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| 93 |                 fileinfo = os.stat(file)
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| 94 |                 return bool(fileinfo.st_mode & stat.S_IXUSR)
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| 95 |         except Exception as inst:
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| 96 |                 print(type(inst))    # the exception instance
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| 97 |                 print(inst.args)     # arguments stored in .args
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| 98 |                 print(inst)
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| 99 |                 return False
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| 100 | 
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| 101 | # find the test data for a given test name
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| 102 | def filterTests(testname) :
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| 103 |         found = [test for test in allTests if test.name == testname]
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| 104 |         return (found[0] if len(found) == 1 else Test(testname, testname) )
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| 105 | 
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| 106 | ################################################################################
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| 107 | #               running test functions
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| 108 | ################################################################################
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| 109 | def run_test_instance(test, generate, dry_run):
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| 110 | 
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| 111 |         # find the output file based on the test name and options flag
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| 112 |         out_file = (".out/%s.log" % test.name) if not generate else (".expect/%s.txt" % test.path)
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| 113 | 
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| 114 |         # remove any outputs from the previous tests to prevent side effects
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| 115 |         sh("rm -f %s" % out_file, dry_run)
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| 116 |         sh("rm -f %s > /dev/null 2>&1" % test.name, dry_run)
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| 117 | 
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| 118 |         # build, skipping to next test on error
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| 119 |         make_ret, _ = sh("%s %s 2> %s 1> /dev/null" % (make_cmd, test.name, out_file), dry_run)
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| 120 | 
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| 121 |         # if the make command succeds continue otherwise skip to diff
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| 122 |         if make_ret == 0 :
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| 123 |                 # fetch optional input
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| 124 |                 stdinput = "< .in/%s.txt" % test.name if isfile(".in/%s.txt" % test.path) else ""
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| 125 | 
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| 126 |                 if fileIsExecutable(test.name) :
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| 127 |                         # run test
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| 128 |                         sh("./%s %s > %s 2>&1" % (test.name, stdinput, out_file), dry_run)
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| 129 |                 else :
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| 130 |                         # simply cat the result into the output
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| 131 |                         sh("cat %s > %s" % (test.name, out_file), dry_run)
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| 132 | 
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| 133 |         retcode = 0
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| 134 |         error = None
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| 135 | 
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| 136 |         # fix output to prevent make depth to cause issues
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| 137 |         fix_MakeLevel(out_file)
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| 138 | 
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| 139 |         if generate :
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| 140 |                 # if we are ounly generating the output we still need to check that the test actually exists
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| 141 |                 if not dry_run and fileContainsOnly(out_file, "make: *** No rule to make target `%s'.  Stop." % test.name) :
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| 142 |                         retcode = 1;
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| 143 |                         error = "\t\tNo make target for test %s!" % test
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| 144 |                         sh("rm %s" % out_file, False)
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| 145 | 
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| 146 |         else :
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| 147 |                 # diff the output of the files
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| 148 |                 diff_cmd = ("diff --old-group-format='\t\tmissing lines :\n"
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| 149 |                                         "%%<' \\\n"
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| 150 |                                         "--new-group-format='\t\tnew lines :\n"
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| 151 |                                         "%%>' \\\n"
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| 152 |                                         "--unchanged-group-format='%%=' \\"
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| 153 |                                         "--changed-group-format='\t\texpected :\n"
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| 154 |                                         "%%<\n"
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| 155 |                                         "\t\tgot :\n"
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| 156 |                                         "%%>' \\\n"
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| 157 |                                         "--new-line-format='\t\t%%dn\t%%L' \\\n"
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| 158 |                                         "--old-line-format='\t\t%%dn\t%%L' \\\n"
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| 159 |                                         "--unchanged-line-format='' \\\n"
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| 160 |                                         ".expect/%s.txt .out/%s.log")
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| 161 | 
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| 162 |                 # fetch return code and error from the diff command
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| 163 |                 retcode, error = sh(diff_cmd % (test.path, test.name), dry_run, False)
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| 164 | 
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| 165 |         # clean the executable
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| 166 |         sh("rm -f %s > /dev/null 2>&1" % test.name, dry_run)
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| 167 | 
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| 168 |         return retcode, error
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| 169 | 
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| 170 | # run the given list of tests with the given parameters
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| 171 | def run_tests(tests, generate, dry_run, jobs) :
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| 172 |         # clean the sandbox from previous commands
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| 173 |         sh("%s clean > /dev/null 2>&1" % make_cmd, dry_run)
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| 174 | 
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| 175 |         #make sure the required folder are present
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| 176 |         sh('mkdir -p .out .expect', dry_run)
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| 177 | 
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| 178 |         if generate :
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| 179 |                 print( "Regenerate tests for: " )
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| 180 | 
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| 181 |         failed = False;
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| 182 |         # for eeach test to run
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| 183 |         for t in tests:
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| 184 |                 # print formated name
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| 185 |                 name_txt = "%20s  " % t.name
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| 186 | 
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| 187 |                 #run the test instance and collect the result
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| 188 |                 test_failed, error = run_test_instance(t, generate, dry_run)
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| 189 | 
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| 190 |                 # aggregate test suite result
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| 191 |                 failed = test_failed or failed
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| 192 | 
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| 193 |                 # update output based on current action
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| 194 |                 if generate :
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| 195 |                         failed_txt = "ERROR"
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| 196 |                         success_txt = "Done"
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| 197 |                 else :
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| 198 |                         failed_txt = "FAILED"
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| 199 |                         success_txt = "PASSED"
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| 200 | 
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| 201 |                 #print result with error if needed
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| 202 |                 text = name_txt + (failed_txt if test_failed else success_txt)
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| 203 |                 out = sys.stdout
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| 204 |                 if error :
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| 205 |                         text = text + "\n" + error
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| 206 |                         out = sys.stderr
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| 207 | 
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| 208 |                 print(text, file = out);
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| 209 |                 sys.stdout.flush()
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| 210 |                 sys.stderr.flush()
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| 211 | 
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| 212 | 
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| 213 |         #clean the workspace
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| 214 |         sh("%s clean > /dev/null 2>&1" % make_cmd, dry_run)
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| 215 | 
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| 216 |         return 1 if failed else 0
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| 217 | 
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| 218 | ################################################################################
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| 219 | #               main loop
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| 220 | ################################################################################
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| 221 | # create a parser with the arguments for the tests script
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| 222 | parser = argparse.ArgumentParser(description='Script which runs cforall tests')
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| 223 | parser.add_argument('--dry-run', help='Don\'t run the tests, only output the commands', action='store_true')
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| 224 | parser.add_argument('--list', help='List all test available', action='store_true')
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| 225 | parser.add_argument('--all', help='Run all test available', action='store_true')
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| 226 | 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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| 227 | parser.add_argument('-j', '--jobs', help='Number of tests to run simultaneously', type=int, default='8')
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| 228 | parser.add_argument('tests', metavar='test', type=str, nargs='*', help='a list of tests to run')
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| 229 | 
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| 230 | # parse the command line arguments
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| 231 | options = parser.parse_args()
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| 232 | 
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| 233 | # script must have at least some tests to run
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| 234 | if (len(options.tests) > 0  and     options.all and not options.list) \
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| 235 | or (len(options.tests) == 0 and not options.all and not options.list) :
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| 236 |         print('ERROR: must have option \'--all\' or non-empty test list', file=sys.stderr)
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| 237 |         parser.print_help()
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| 238 |         sys.exit(1)
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| 239 | 
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| 240 | # fetch the liest of all valid tests
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| 241 | allTests = listTests()
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| 242 | 
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| 243 | # if user wants all tests than no other treatement of the test list is required
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| 244 | if options.all or options.list :
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| 245 |         tests = allTests
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| 246 | 
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| 247 | else :
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| 248 |         #otherwise we need to validate that the test list that was entered is valid
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| 249 |         tests = []
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| 250 | 
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| 251 |         # if we are regenerating the tests we need to find the information of the
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| 252 |         # already existing tests and create new info for the new tests
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| 253 |         if options.regenerate_expected :
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| 254 |                 tests = map(filterTests, options.tests)
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| 255 | 
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| 256 |         else :
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| 257 |                 # otherwise we only need to validate that all tests are present in the complete list
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| 258 |                 for testname in options.tests:
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| 259 |                         test = [t for t in allTests if t.name == testname]
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| 260 | 
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| 261 |                         if len(test) != 0 :
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| 262 |                                 tests.append( test[0] )
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| 263 |                         else :
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| 264 |                                 print('ERROR: No expected file for test %s, ignoring it' % testname, file=sys.stderr)
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| 265 | 
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| 266 |         # make sure we have at least some test to run
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| 267 |         if len(tests) == 0 :
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| 268 |                 print('ERROR: No valid test to run', file=sys.stderr)
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| 269 |                 sys.exit(1)
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| 270 | 
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| 271 | # sort the test alphabetically for convenience
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| 272 | tests.sort(key=lambda t: t.name)
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| 273 | 
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| 274 | # check if the user already passed in a number of jobs for multi-threading
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| 275 | make_flags = environ.get('MAKEFLAGS')
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| 276 | make_has_max_jobs = re.search("(-j|--jobs)\s*([0-9]+)", make_flags) if make_flags else None
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| 277 | make_max_jobs = make_has_max_jobs.group(2) if make_has_max_jobs else None
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| 278 | make_cmd = "make" if make_flags and "-j" in make_flags else "make -j8"
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| 279 | 
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| 280 | # make sure we have a valid number of jobs that corresponds to user input
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| 281 | options.jobs = int(make_max_jobs) if make_max_jobs else options.jobs
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| 282 | if options.jobs <= 0 :
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| 283 |         print('ERROR: Invalid number of jobs', file=sys.stderr)
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| 284 |         sys.exit(1)
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| 285 | 
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| 286 | # users may want to simply list the tests
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| 287 | if options.list :
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| 288 |         print("\n".join(map(lambda t: "%s (%s)" % (t.name, t.path), tests)))
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| 289 | 
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| 290 | else :
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| 291 |         # otherwise run all tests and make sure to return the correct error code
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| 292 |         sys.exit( run_tests(tests, options.regenerate_expected, options.dry_run, options.jobs) )
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