LXR qemu/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
   7from collections import defaultdict
   8import itertools
   9import json
  10import os
  11import shlex
  12import sys
  13
  14class Suite(object):
  15    def __init__(self):
  16        self.tests = list()
  17        self.slow_tests = list()
  18        self.executables = set()
  19
  20print('''
  21SPEED = 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
  37introspect = json.load(sys.stdin)
  38i = 0
  39
  40def 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,$(.test.output-format))' % (i,))
  74
  75    test_suites = test['suite'] or ['default']
  76    is_slow = any(s.endswith('-slow') for s in test_suites)
  77    for s in test_suites:
  78        # The suite name in the introspection info is "PROJECT:SUITE"
  79        s = s.split(':')[1]
  80        if s.endswith('-slow'):
  81            s = s[:-5]
  82        if is_slow:
  83            suites[s].slow_tests.append(i)
  84        else:
  85            suites[s].tests.append(i)
  86        suites[s].executables.add(executable)
  87
  88def emit_prolog(suites, prefix):
  89    all_tap = ' '.join(('%s-report-%s.tap' % (prefix, k) for k in suites.keys()))
  90    print('.PHONY: %s %s-report.tap %s' % (prefix, prefix, all_tap))
  91    print('%s: run-tests' % (prefix,))
  92    print('%s-report.tap %s: %s-report%%.tap: all' % (prefix, all_tap, prefix))
  93    print('''\t$(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
  96def 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
 112targets = {t['id']: [os.path.relpath(f) for f in t['filename']]
 113           for t in introspect['targets']}
 114
 115testsuites = defaultdict(Suite)
 116for test in introspect['tests']:
 117    process_tests(test, targets, testsuites)
 118emit_prolog(testsuites, 'check')
 119for name, suite in testsuites.items():
 120    emit_suite(name, suite, 'check')
 121
 122benchsuites = defaultdict(Suite)
 123for test in introspect['benchmarks']:
 124    process_tests(test, targets, benchsuites)
 125emit_prolog(benchsuites, 'bench')
 126for name, suite in benchsuites.items():
 127    emit_suite(name, suite, 'bench')
 128
 129print('run-tests: $(patsubst %, run-test-%, $(.tests))')
 130