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-rw-r--r--Tools/waf_unit_test.py296
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diff --git a/Tools/waf_unit_test.py b/Tools/waf_unit_test.py
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-#!/usr/bin/env python
-# encoding: utf-8
-# Carlos Rafael Giani, 2006
-# Thomas Nagy, 2010-2018 (ita)
-
-"""
-Unit testing system for C/C++/D and interpreted languages providing test execution:
-
-* in parallel, by using ``waf -j``
-* partial (only the tests that have changed) or full (by using ``waf --alltests``)
-
-The tests are declared by adding the **test** feature to programs::
-
- def options(opt):
- opt.load('compiler_cxx waf_unit_test')
- def configure(conf):
- conf.load('compiler_cxx waf_unit_test')
- def build(bld):
- bld(features='cxx cxxprogram test', source='main.cpp', target='app')
- # or
- bld.program(features='test', source='main2.cpp', target='app2')
-
-When the build is executed, the program 'test' will be built and executed without arguments.
-The success/failure is detected by looking at the return code. The status and the standard output/error
-are stored on the build context.
-
-The results can be displayed by registering a callback function. Here is how to call
-the predefined callback::
-
- def build(bld):
- bld(features='cxx cxxprogram test', source='main.c', target='app')
- from waflib.Tools import waf_unit_test
- bld.add_post_fun(waf_unit_test.summary)
-
-By passing --dump-test-scripts the build outputs corresponding python files
-(with extension _run.py) that are useful for debugging purposes.
-"""
-
-import os, shlex, sys
-from waflib.TaskGen import feature, after_method, taskgen_method
-from waflib import Utils, Task, Logs, Options
-from waflib.Tools import ccroot
-testlock = Utils.threading.Lock()
-
-SCRIPT_TEMPLATE = """#! %(python)s
-import subprocess, sys
-cmd = %(cmd)r
-# if you want to debug with gdb:
-#cmd = ['gdb', '-args'] + cmd
-env = %(env)r
-status = subprocess.call(cmd, env=env, cwd=%(cwd)r, shell=isinstance(cmd, str))
-sys.exit(status)
-"""
-
-@taskgen_method
-def handle_ut_cwd(self, key):
- """
- Task generator method, used internally to limit code duplication.
- This method may disappear anytime.
- """
- cwd = getattr(self, key, None)
- if cwd:
- if isinstance(cwd, str):
- # we want a Node instance
- if os.path.isabs(cwd):
- self.ut_cwd = self.bld.root.make_node(cwd)
- else:
- self.ut_cwd = self.path.make_node(cwd)
-
-@feature('test_scripts')
-def make_interpreted_test(self):
- """Create interpreted unit tests."""
- for x in ['test_scripts_source', 'test_scripts_template']:
- if not hasattr(self, x):
- Logs.warn('a test_scripts taskgen i missing %s' % x)
- return
-
- self.ut_run, lst = Task.compile_fun(self.test_scripts_template, shell=getattr(self, 'test_scripts_shell', False))
-
- script_nodes = self.to_nodes(self.test_scripts_source)
- for script_node in script_nodes:
- tsk = self.create_task('utest', [script_node])
- tsk.vars = lst + tsk.vars
- tsk.env['SCRIPT'] = script_node.path_from(tsk.get_cwd())
-
- self.handle_ut_cwd('test_scripts_cwd')
-
- env = getattr(self, 'test_scripts_env', None)
- if env:
- self.ut_env = env
- else:
- self.ut_env = dict(os.environ)
-
- paths = getattr(self, 'test_scripts_paths', {})
- for (k,v) in paths.items():
- p = self.ut_env.get(k, '').split(os.pathsep)
- if isinstance(v, str):
- v = v.split(os.pathsep)
- self.ut_env[k] = os.pathsep.join(p + v)
-
-@feature('test')
-@after_method('apply_link', 'process_use')
-def make_test(self):
- """Create the unit test task. There can be only one unit test task by task generator."""
- if not getattr(self, 'link_task', None):
- return
-
- tsk = self.create_task('utest', self.link_task.outputs)
- if getattr(self, 'ut_str', None):
- self.ut_run, lst = Task.compile_fun(self.ut_str, shell=getattr(self, 'ut_shell', False))
- tsk.vars = lst + tsk.vars
-
- self.handle_ut_cwd('ut_cwd')
-
- if not hasattr(self, 'ut_paths'):
- paths = []
- for x in self.tmp_use_sorted:
- try:
- y = self.bld.get_tgen_by_name(x).link_task
- except AttributeError:
- pass
- else:
- if not isinstance(y, ccroot.stlink_task):
- paths.append(y.outputs[0].parent.abspath())
- self.ut_paths = os.pathsep.join(paths) + os.pathsep
-
- if not hasattr(self, 'ut_env'):
- self.ut_env = dct = dict(os.environ)
- def add_path(var):
- dct[var] = self.ut_paths + dct.get(var,'')
- if Utils.is_win32:
- add_path('PATH')
- elif Utils.unversioned_sys_platform() == 'darwin':
- add_path('DYLD_LIBRARY_PATH')
- add_path('LD_LIBRARY_PATH')
- else:
- add_path('LD_LIBRARY_PATH')
-
- if not hasattr(self, 'ut_cmd'):
- self.ut_cmd = getattr(Options.options, 'testcmd', False)
-
-@taskgen_method
-def add_test_results(self, tup):
- """Override and return tup[1] to interrupt the build immediately if a test does not run"""
- Logs.debug("ut: %r", tup)
- try:
- self.utest_results.append(tup)
- except AttributeError:
- self.utest_results = [tup]
- try:
- self.bld.utest_results.append(tup)
- except AttributeError:
- self.bld.utest_results = [tup]
-
-@Task.deep_inputs
-class utest(Task.Task):
- """
- Execute a unit test
- """
- color = 'PINK'
- after = ['vnum', 'inst']
- vars = []
-
- def runnable_status(self):
- """
- Always execute the task if `waf --alltests` was used or no
- tests if ``waf --notests`` was used
- """
- if getattr(Options.options, 'no_tests', False):
- return Task.SKIP_ME
-
- ret = super(utest, self).runnable_status()
- if ret == Task.SKIP_ME:
- if getattr(Options.options, 'all_tests', False):
- return Task.RUN_ME
- return ret
-
- def get_test_env(self):
- """
- In general, tests may require any library built anywhere in the project.
- Override this method if fewer paths are needed
- """
- return self.generator.ut_env
-
- def post_run(self):
- super(utest, self).post_run()
- if getattr(Options.options, 'clear_failed_tests', False) and self.waf_unit_test_results[1]:
- self.generator.bld.task_sigs[self.uid()] = None
-
- def run(self):
- """
- Execute the test. The execution is always successful, and the results
- are stored on ``self.generator.bld.utest_results`` for postprocessing.
-
- Override ``add_test_results`` to interrupt the build
- """
- if hasattr(self.generator, 'ut_run'):
- return self.generator.ut_run(self)
-
- self.ut_exec = getattr(self.generator, 'ut_exec', [self.inputs[0].abspath()])
- ut_cmd = getattr(self.generator, 'ut_cmd', False)
- if ut_cmd:
- self.ut_exec = shlex.split(ut_cmd % ' '.join(self.ut_exec))
-
- return self.exec_command(self.ut_exec)
-
- def exec_command(self, cmd, **kw):
- self.generator.bld.log_command(cmd, kw)
- if getattr(Options.options, 'dump_test_scripts', False):
- script_code = SCRIPT_TEMPLATE % {
- 'python': sys.executable,
- 'env': self.get_test_env(),
- 'cwd': self.get_cwd().abspath(),
- 'cmd': cmd
- }
- script_file = self.inputs[0].abspath() + '_run.py'
- Utils.writef(script_file, script_code)
- os.chmod(script_file, Utils.O755)
- if Logs.verbose > 1:
- Logs.info('Test debug file written as %r' % script_file)
-
- proc = Utils.subprocess.Popen(cmd, cwd=self.get_cwd().abspath(), env=self.get_test_env(),
- stderr=Utils.subprocess.PIPE, stdout=Utils.subprocess.PIPE, shell=isinstance(cmd,str))
- (stdout, stderr) = proc.communicate()
- self.waf_unit_test_results = tup = (self.inputs[0].abspath(), proc.returncode, stdout, stderr)
- testlock.acquire()
- try:
- return self.generator.add_test_results(tup)
- finally:
- testlock.release()
-
- def get_cwd(self):
- return getattr(self.generator, 'ut_cwd', self.inputs[0].parent)
-
-def summary(bld):
- """
- Display an execution summary::
-
- def build(bld):
- bld(features='cxx cxxprogram test', source='main.c', target='app')
- from waflib.Tools import waf_unit_test
- bld.add_post_fun(waf_unit_test.summary)
- """
- lst = getattr(bld, 'utest_results', [])
- if lst:
- Logs.pprint('CYAN', 'execution summary')
-
- total = len(lst)
- tfail = len([x for x in lst if x[1]])
-
- Logs.pprint('GREEN', ' tests that pass %d/%d' % (total-tfail, total))
- for (f, code, out, err) in lst:
- if not code:
- Logs.pprint('GREEN', ' %s' % f)
-
- Logs.pprint('GREEN' if tfail == 0 else 'RED', ' tests that fail %d/%d' % (tfail, total))
- for (f, code, out, err) in lst:
- if code:
- Logs.pprint('RED', ' %s' % f)
-
-def set_exit_code(bld):
- """
- If any of the tests fail waf will exit with that exit code.
- This is useful if you have an automated build system which need
- to report on errors from the tests.
- You may use it like this:
-
- def build(bld):
- bld(features='cxx cxxprogram test', source='main.c', target='app')
- from waflib.Tools import waf_unit_test
- bld.add_post_fun(waf_unit_test.set_exit_code)
- """
- lst = getattr(bld, 'utest_results', [])
- for (f, code, out, err) in lst:
- if code:
- msg = []
- if out:
- msg.append('stdout:%s%s' % (os.linesep, out.decode('utf-8')))
- if err:
- msg.append('stderr:%s%s' % (os.linesep, err.decode('utf-8')))
- bld.fatal(os.linesep.join(msg))
-
-
-def options(opt):
- """
- Provide the ``--alltests``, ``--notests`` and ``--testcmd`` command-line options.
- """
- opt.add_option('--notests', action='store_true', default=False, help='Exec no unit tests', dest='no_tests')
- opt.add_option('--alltests', action='store_true', default=False, help='Exec all unit tests', dest='all_tests')
- opt.add_option('--clear-failed', action='store_true', default=False,
- help='Force failed unit tests to run again next time', dest='clear_failed_tests')
- opt.add_option('--testcmd', action='store', default=False, dest='testcmd',
- help='Run the unit tests using the test-cmd string example "--testcmd="valgrind --error-exitcode=1 %s" to run under valgrind')
- opt.add_option('--dump-test-scripts', action='store_true', default=False,
- help='Create python scripts to help debug tests', dest='dump_test_scripts')
-