tests/runtests.py

   1 #!/usr/bin/env python
   2 #
   3 # This is a simple glue script to run the tests and collect the results
   4 #
   5
   6 #
   7 # We expect simple structure i.e. the tests_dir contains directories with
   8 # tests, each directory that contains tests has test_list.txt with a list of
   9 # tests to run. The structure is then mirrored in the results_dir filled with
  10 # json logs.
  11 #
  12
  13 import os
  14 import datetime
  15
  16 #
  17 # Relative path to root directory containing tests
  18 #
  19 tests_dir='.'
  20
  21 #
  22 # Results directory prefix
  23 #
  24 results_dir='results'
  25
  26 #
  27 # Relative path to the directory with GP libraries to run tests against
  28 #
  29 build_dir='../build'
  30
  31 #
  32 # By default the glibc __libc_message() writes to /dev/tty before calling
  33 # the abort(). Exporting this macro makes it to use stderr instead.
  34 #
  35 # The main usage of the function are malloc assertions, so this makes us catch
  36 # the malloc error message by catching stderr output.
  37 #
  38 runline_prep='export LIBC_FATAL_STDERR_=1;'
  39
  40 #
  41 # Relative path, from the current directory, to the framework preload library.
  42 #
  43 framework_lib='framework/libtst_preload.so'
  44
  45 debug = 0
  46
  47 def globpath(path):
  48     return os.getcwd() + '/' + path
  49
  50 #
  51 # Reads test_list.txt test file and executes tests one after another
  52 #
  53 def run_test(resdir, tstdir, runtest):
  54     f = open(runtest, 'r')
  55     lines = f.readlines()
  56     f.close()
  57
  58     for line in lines:
  59         # ignore comments
  60         if (line[0] == '#'):
  61             continue
  62         # and blanks
  63         if (line.isspace()):
  64             continue
  65
  66         line = line.strip();
  67
  68         #
  69         # This is a little hairy but what it does is to constructs correct
  70         # paths to preload and dynamic libraries and runs the test.
  71         #
  72         runline  = runline_prep + ' '
  73         runline += 'export LD_PRELOAD="' + globpath(framework_lib) + '"; '
  74         runline += 'export LD_LIBRARY_PATH="' + globpath(build_dir) + '"; '
  75         runline += 'cd ' + tstdir + ' && ./' + line + ' -o "' + globpath(resdir) + '"'
  76
  77         if debug >= 2:
  78             print(" LINE: %s" % runline)
  79
  80         os.system(runline)
  81
  82 #
  83 # Discovers tests in directories.
  84 #
  85 def run_tests(resdir, testsdir):
  86
  87     if debug >= 1:
  88         print('Looking for tests in "%s"' % testsdir)
  89
  90     for root, dirs, _ in os.walk(testsdir):
  91         for name in dirs:
  92
  93             path = root + '/' + name
  94
  95             if debug >= 2:
  96                 print('Looking into dir "%s"' % path)
  97
  98             runtest = path + '/test_list.txt'
  99
 100             if (os.access(runtest, os.R_OK)):
 101                 # Create result directory
 102                 curresdir = resdir + '/' + name
 103                 os.mkdir(curresdir)
 104                 # Run tests
 105                 print("\n========= Running " + name + " testsuites =========\n")
 106                 run_test(curresdir, path, runtest)
 107
 108 def main():
 109     now = datetime.datetime.now()
 110     resdir = '%s_%i-%02i-%02i_%02i-%02i-%02i' % (results_dir, now.year, now.month,
 111                                        now.day, now.hour, now.minute, now.second)
 112     print('Creating result directory "%s"' % resdir)
 113     os.mkdir(resdir)
 114
 115     run_tests(resdir, tests_dir)
 116
 117 if __name__ == '__main__':
 118     main()