scripts/mtest2make.py

   1 #! /usr/bin/env python3
   2
   3 # Create Makefile targets to run tests, from Meson's test introspection data.
   4 #
   5 # Author: Paolo Bonzini <pbonzini@redhat.com>
   6
   7 from collections import defaultdict
   8 import itertools
   9 import json
  10 import os
  11 import shlex
  12 import sys
  13
  14 class Suite(object):
  15     def __init__(self):
  16         self.tests = list()
  17         self.slow_tests = list()
  18         self.executables = set()
  19
  20 print('''
  21 SPEED = quick
  22
  23 # $1 = environment, $2 = test command, $3 = test name, $4 = dir
  24 .test-human-tap = $1 $(if $4,(cd $4 && $2),$2) -m $(SPEED) < /dev/null | ./scripts/tap-driver.pl --test-name="$3" $(if $(V),,--show-failures-only)
  25 .test-human-exitcode = $1 $(PYTHON) scripts/test-driver.py $(if $4,-C$4) $(if $(V),--verbose) -- $2 < /dev/null
  26 .test-tap-tap = $1 $(if $4,(cd $4 && $2),$2) < /dev/null | sed "s/^[a-z][a-z]* [0-9]*/& $3/" || true
  27 .test-tap-exitcode = printf "%s\\n" 1..1 "`$1 $(if $4,(cd $4 && $2),$2) < /dev/null > /dev/null || echo "not "`ok 1 $3"
  28 .test.human-print = echo $(if $(V),'$1 $2','Running test $3') &&
  29 .test.env = MALLOC_PERTURB_=$${MALLOC_PERTURB_:-$$(( $${RANDOM:-0} % 255 + 1))}
  30
  31 # $1 = test name, $2 = test target (human or tap)
  32 .test.run = $(call .test.$2-print,$(.test.env.$1),$(.test.cmd.$1),$(.test.name.$1)) $(call .test-$2-$(.test.driver.$1),$(.test.env.$1),$(.test.cmd.$1),$(.test.name.$1),$(.test.dir.$1))
  33
  34 .test.output-format = human
  35 ''')
  36
  37 introspect = json.load(sys.stdin)
  38 i = 0
  39
  40 def process_tests(test, targets, suites):
  41     global i
  42     env = ' '.join(('%s=%s' % (shlex.quote(k), shlex.quote(v))
  43                     for k, v in test['env'].items()))
  44     executable = test['cmd'][0]
  45     try:
  46         executable = os.path.relpath(executable)
  47     except:
  48         pass
  49     if test['workdir'] is not None:
  50         try:
  51             test['cmd'][0] = os.path.relpath(executable, test['workdir'])
  52         except:
  53             test['cmd'][0] = executable
  54     else:
  55         test['cmd'][0] = executable
  56     cmd = ' '.join((shlex.quote(x) for x in test['cmd']))
  57     driver = test['protocol'] if 'protocol' in test else 'exitcode'
  58
  59     i += 1
  60     if test['workdir'] is not None:
  61         print('.test.dir.%d := %s' % (i, shlex.quote(test['workdir'])))
  62
  63     deps = (targets.get(x, []) for x in test['depends'])
  64     deps = itertools.chain.from_iterable(deps)
  65
  66     print('.test.name.%d := %s' % (i, test['name']))
  67     print('.test.driver.%d := %s' % (i, driver))
  68     print('.test.env.%d := $(.test.env) %s' % (i, env))
  69     print('.test.cmd.%d := %s' % (i, cmd))
  70     print('.test.deps.%d := %s' % (i, ' '.join(deps)))
  71     print('.PHONY: run-test-%d' % (i,))
  72     print('run-test-%d: $(.test.deps.%d)' % (i,i))
  73     print('\t@$(call .test.run,%d,$(.test.output-format))' % (i,))
  74
  75     test_suites = test['suite'] or ['default']
  76     is_slow = any(s.endswith('-slow') for s in test_suites)
  77     for s in test_suites:
  78         # The suite name in the introspection info is "PROJECT:SUITE"
  79         s = s.split(':')[1]
  80         if s.endswith('-slow'):
  81             s = s[:-5]
  82         if is_slow:
  83             suites[s].slow_tests.append(i)
  84         else:
  85             suites[s].tests.append(i)
  86         suites[s].executables.add(executable)
  87
  88 def emit_prolog(suites, prefix):
  89     all_tap = ' '.join(('%s-report-%s.tap' % (prefix, k) for k in suites.keys()))
  90     print('.PHONY: %s %s-report.tap %s' % (prefix, prefix, all_tap))
  91     print('%s: run-tests' % (prefix,))
  92     print('%s-report.tap %s: %s-report%%.tap: all' % (prefix, all_tap, prefix))
  93     print('''\t$(MAKE) .test.output-format=tap --quiet -Otarget V=1 %s$* | ./scripts/tap-merge.pl | tee "$@" \\
  94               | ./scripts/tap-driver.pl $(if $(V),, --show-failures-only)''' % (prefix, ))
  95
  96 def emit_suite(name, suite, prefix):
  97     executables = ' '.join(suite.executables)
  98     slow_test_numbers = ' '.join((str(x) for x in suite.slow_tests))
  99     test_numbers = ' '.join((str(x) for x in suite.tests))
 100     target = '%s-%s' % (prefix, name)
 101     print('.test.quick.%s := %s' % (target, test_numbers))
 102     print('.test.slow.%s := $(.test.quick.%s) %s' % (target, target, slow_test_numbers))
 103     print('%s-build: %s' % (prefix, executables))
 104     print('.PHONY: %s' % (target, ))
 105     print('.PHONY: %s-report-%s.tap' % (prefix, name))
 106     print('%s: run-tests' % (target, ))
 107     print('ifneq ($(filter %s %s, $(MAKECMDGOALS)),)' % (target, prefix))
 108     print('.tests += $(.test.$(SPEED).%s)' % (target, ))
 109     print('endif')
 110     print('all-%s-targets += %s' % (prefix, target))
 111
 112 targets = {t['id']: [os.path.relpath(f) for f in t['filename']]
 113            for t in introspect['targets']}
 114
 115 testsuites = defaultdict(Suite)
 116 for test in introspect['tests']:
 117     process_tests(test, targets, testsuites)
 118 emit_prolog(testsuites, 'check')
 119 for name, suite in testsuites.items():
 120     emit_suite(name, suite, 'check')
 121
 122 benchsuites = defaultdict(Suite)
 123 for test in introspect['benchmarks']:
 124     process_tests(test, targets, benchsuites)
 125 emit_prolog(benchsuites, 'bench')
 126 for name, suite in benchsuites.items():
 127     emit_suite(name, suite, 'bench')
 128
 129 print('run-tests: $(patsubst %, run-test-%, $(.tests))')