""" TestSCons.py: a testing framework for the SCons software construction tool. A TestSCons environment object is created via the usual invocation: test = TestSCons() TestScons is a subclass of TestCommon, which is in turn is a subclass of TestCmd), and hence has available all of the methods and attributes from those classes, as well as any overridden or additional methods or attributes defined in this subclass. """ # __COPYRIGHT__ from __future__ import division __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__" import os import re import shutil import sys import time from TestCommon import * from TestCommon import __all__ # Some tests which verify that SCons has been packaged properly need to # look for specific version file names. Replicating the version number # here provides some independent verification that what we packaged # conforms to what we expect. default_version = '2.0.0' copyright_years = '2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010' python_version_unsupported = (2, 3, 0) python_version_deprecated = (2, 4, 0) # In the checked-in source, the value of SConsVersion in the following # line must remain "__ VERSION __" (without the spaces) so the built # version in build/QMTest/TestSCons.py contains the actual version # string of the packages that have been built. SConsVersion = '__VERSION__' if SConsVersion == '__' + 'VERSION' + '__': SConsVersion = default_version __all__.extend([ 'TestSCons', 'machine', 'python', '_exe', '_obj', '_shobj', 'shobj_', 'lib_', '_lib', 'dll_', '_dll' ]) machine_map = { 'i686' : 'i386', 'i586' : 'i386', 'i486' : 'i386', } try: uname = os.uname except AttributeError: # Windows doesn't have a uname() function. We could use something like # sys.platform as a fallback, but that's not really a "machine," so # just leave it as None. machine = None else: machine = uname()[4] machine = machine_map.get(machine, machine) _exe = exe_suffix _obj = obj_suffix _shobj = shobj_suffix shobj_ = shobj_prefix _lib = lib_suffix lib_ = lib_prefix _dll = dll_suffix dll_ = dll_prefix def gccFortranLibs(): """Test whether -lfrtbegin is required. This can probably be done in a more reliable way, but using popen3 is relatively efficient.""" libs = ['g2c'] cmd = 'gcc -v' try: import subprocess except ImportError: try: import popen2 stderr = popen2.popen3(cmd)[2] except OSError: return libs else: p = subprocess.Popen(cmd, shell=True, stderr=subprocess.PIPE) stderr = p.stderr for l in stderr.readlines(): list = l.split() if len(list) > 3 and list[:2] == ['gcc', 'version']: if list[2][:3] in ('4.1','4.2','4.3'): libs = ['gfortranbegin'] break if list[2][:2] in ('3.', '4.'): libs = ['frtbegin'] + libs break return libs if sys.platform == 'cygwin': # On Cygwin, os.path.normcase() lies, so just report back the # fact that the underlying Win32 OS is case-insensitive. def case_sensitive_suffixes(s1, s2): return 0 else: def case_sensitive_suffixes(s1, s2): return (os.path.normcase(s1) != os.path.normcase(s2)) if sys.platform == 'win32': fortran_lib = gccFortranLibs() elif sys.platform == 'cygwin': fortran_lib = gccFortranLibs() elif sys.platform.find('irix') != -1: fortran_lib = ['ftn'] else: fortran_lib = gccFortranLibs() file_expr = r"""File "[^"]*", line \d+, in [^\n]+ """ # re.escape escapes too much. def re_escape(str): for c in '\\.[]()*+?': # Not an exhaustive list. str = str.replace(c, '\\' + c) return str def python_version_string(): return sys.version.split()[0] def python_minor_version_string(): return sys.version[:3] def unsupported_python_version(version=sys.version_info): return version < python_version_unsupported def deprecated_python_version(version=sys.version_info): return version < python_version_deprecated if deprecated_python_version(): msg = r""" scons: warning: Support for pre-2.4 Python (%s) is deprecated. If this will cause hardship, contact dev@scons.tigris.org. """ deprecated_python_expr = re_escape(msg % python_version_string()) + file_expr del msg else: deprecated_python_expr = "" def initialize_sconsflags(ignore_python_version): """ Add the --warn=no-python-version option to SCONSFLAGS for every command so test scripts don't have to filter out Python version deprecation warnings. Same for --warn=no-visual-c-missing. """ save_sconsflags = os.environ.get('SCONSFLAGS') if save_sconsflags: sconsflags = [save_sconsflags] else: sconsflags = [] if ignore_python_version and deprecated_python_version(): sconsflags.append('--warn=no-python-version') # Provide a way to suppress or provide alternate flags for # TestSCons purposes by setting TESTSCONS_SCONSFLAGS. # (The intended use case is to set it to null when running # timing tests of earlier versions of SCons which don't # support the --warn=no-visual-c-missing warning.) visual_c = os.environ.get('TESTSCONS_SCONSFLAGS', '--warn=no-visual-c-missing') if visual_c: sconsflags.append(visual_c) os.environ['SCONSFLAGS'] = ' '.join(sconsflags) return save_sconsflags def restore_sconsflags(sconsflags): if sconsflags is None: del os.environ['SCONSFLAGS'] else: os.environ['SCONSFLAGS'] = sconsflags class TestSCons(TestCommon): """Class for testing SCons. This provides a common place for initializing SCons tests, eliminating the need to begin every test with the same repeated initializations. """ scons_version = SConsVersion def __init__(self, **kw): """Initialize an SCons testing object. If they're not overridden by keyword arguments, this initializes the object with the following default values: program = 'scons' if it exists, else 'scons.py' interpreter = 'python' match = match_exact workdir = '' The workdir value means that, by default, a temporary workspace directory is created for a TestSCons environment. In addition, this method changes directory (chdir) to the workspace directory, so an explicit "chdir = '.'" on all of the run() method calls is not necessary. """ self.orig_cwd = os.getcwd() try: script_dir = os.environ['SCONS_SCRIPT_DIR'] except KeyError: pass else: os.chdir(script_dir) if 'program' not in kw: kw['program'] = os.environ.get('SCONS') if not kw['program']: if os.path.exists('scons'): kw['program'] = 'scons' else: kw['program'] = 'scons.py' elif not os.path.isabs(kw['program']): kw['program'] = os.path.join(self.orig_cwd, kw['program']) if 'interpreter' not in kw and not os.environ.get('SCONS_EXEC'): kw['interpreter'] = [python, '-tt'] if 'match' not in kw: kw['match'] = match_exact if 'workdir' not in kw: kw['workdir'] = '' # Term causing test failures due to bogus readline init # control character output on FC8 # TERM can cause test failures due to control chars in prompts etc. os.environ['TERM'] = 'dumb' self.ignore_python_version = kw.get('ignore_python_version',1) if kw.get('ignore_python_version', -1) != -1: del kw['ignore_python_version'] TestCommon.__init__(self, **kw) import SCons.Node.FS if SCons.Node.FS.default_fs is None: SCons.Node.FS.default_fs = SCons.Node.FS.FS() def Environment(self, ENV=None, *args, **kw): """ Return a construction Environment that optionally overrides the default external environment with the specified ENV. """ import SCons.Environment import SCons.Errors if not ENV is None: kw['ENV'] = ENV try: return SCons.Environment.Environment(*args, **kw) except (SCons.Errors.UserError, SCons.Errors.InternalError): return None def detect(self, var, prog=None, ENV=None, norm=None): """ Detect a program named 'prog' by first checking the construction variable named 'var' and finally searching the path used by SCons. If either method fails to detect the program, then false is returned, otherwise the full path to prog is returned. If prog is None, then the value of the environment variable will be used as prog. """ env = self.Environment(ENV) v = env.subst('$'+var) if not v: return None if prog is None: prog = v if v != prog: return None result = env.WhereIs(prog) if norm and os.sep != '/': result = result.replace(os.sep, '/') return result def detect_tool(self, tool, prog=None, ENV=None): """ Given a tool (i.e., tool specification that would be passed to the "tools=" parameter of Environment()) and a program that corresponds to that tool, return true if and only if we can find that tool using Environment.Detect(). By default, prog is set to the value passed into the tools parameter. """ if not prog: prog = tool env = self.Environment(ENV, tools=[tool]) if env is None: return None return env.Detect([prog]) def where_is(self, prog, path=None): """ Given a program, search for it in the specified external PATH, or in the actual external PATH is none is specified. """ import SCons.Environment env = SCons.Environment.Environment() if path is None: path = os.environ['PATH'] return env.WhereIs(prog, path) def wrap_stdout(self, build_str = "", read_str = "", error = 0, cleaning = 0): """Wraps standard output string(s) in the normal "Reading ... done" and "Building ... done" strings """ cap,lc = [ ('Build','build'), ('Clean','clean') ][cleaning] if error: term = "scons: %sing terminated because of errors.\n" % lc else: term = "scons: done %sing targets.\n" % lc return "scons: Reading SConscript files ...\n" + \ read_str + \ "scons: done reading SConscript files.\n" + \ "scons: %sing targets ...\n" % cap + \ build_str + \ term def run(self, *args, **kw): """ Set up SCONSFLAGS for every command so test scripts don't need to worry about unexpected warnings in their output. """ sconsflags = initialize_sconsflags(self.ignore_python_version) try: TestCommon.run(self, *args, **kw) finally: restore_sconsflags(sconsflags) # Modifying the options should work and ought to be simpler, but this # class is used for more than just running 'scons' itself. If there's # an automated way of determining whether it's running 'scons' or # something else, this code should be resurected. # options = kw.get('options') # if options: # options = [options] # else: # options = [] # if self.ignore_python_version and deprecated_python_version(): # options.append('--warn=no-python-version') # # Provide a way to suppress or provide alternate flags for # # TestSCons purposes by setting TESTSCONS_SCONSFLAGS. # # (The intended use case is to set it to null when running # # timing tests of earlier versions of SCons which don't # # support the --warn=no-visual-c-missing warning.) # visual_c = os.environ.get('TESTSCONS_SCONSFLAGS', # '--warn=no-visual-c-missing') # if visual_c: # options.append(visual_c) # kw['options'] = ' '.join(options) # TestCommon.run(self, *args, **kw) def up_to_date(self, arguments = '.', read_str = "", **kw): s = "" for arg in arguments.split(): s = s + "scons: `%s' is up to date.\n" % arg kw['arguments'] = arguments stdout = self.wrap_stdout(read_str = read_str, build_str = s) # Append '.*' so that timing output that comes after the # up-to-date output is okay. kw['stdout'] = re.escape(stdout) + '.*' kw['match'] = self.match_re_dotall self.run(**kw) def not_up_to_date(self, arguments = '.', **kw): """Asserts that none of the targets listed in arguments is up to date, but does not make any assumptions on other targets. This function is most useful in conjunction with the -n option. """ s = "" for arg in arguments.split(): s = s + "(?!scons: `%s' is up to date.)" % re.escape(arg) s = '('+s+'[^\n]*\n)*' kw['arguments'] = arguments stdout = re.escape(self.wrap_stdout(build_str='ARGUMENTSGOHERE')) kw['stdout'] = stdout.replace('ARGUMENTSGOHERE', s) kw['match'] = self.match_re_dotall self.run(**kw) def option_not_yet_implemented(self, option, arguments=None, **kw): """ Verifies expected behavior for options that are not yet implemented: a warning message, and exit status 1. """ msg = "Warning: the %s option is not yet implemented\n" % option kw['stderr'] = msg if arguments: # If it's a long option and the argument string begins with '=', # it's of the form --foo=bar and needs no separating space. if option[:2] == '--' and arguments[0] == '=': kw['arguments'] = option + arguments else: kw['arguments'] = option + ' ' + arguments return self.run(**kw) def deprecated_wrap(self, msg): """ Calculate the pattern that matches a deprecation warning. """ return '\nscons: warning: ' + re_escape(msg) + '\n' + file_expr def deprecated_fatal(self, warn, msg): """ Determines if the warning has turned into a fatal error. If so, passes the test, as any remaining runs are now moot. This method expects a SConscript to be present that will causes the warning. The method writes a SConstruct that calls the SConsscript and looks to see what type of result occurs. The pattern that matches the warning is returned. TODO: Actually detect that it's now an error. We don't have any cases yet, so there's no way to test it. """ self.write('SConstruct', """if True: WARN = ARGUMENTS.get('WARN') if WARN: SetOption('warn', WARN) SConscript('SConscript') """) def err_out(): # TODO calculate stderr for fatal error return re_escape('put something here') # no option, should get one of nothing, warning, or error warning = self.deprecated_wrap(msg) self.run(arguments = '.', stderr = None) stderr = self.stderr() if stderr: # most common case done first if match_re_dotall(stderr, warning): # expected output pass elif match_re_dotall(stderr, err_out()): # now a fatal error; skip the rest of the tests self.pass_test() else: # test failed; have to do this by hand... print self.banner('STDOUT ') print self.stdout() print self.diff(warning, stderr, 'STDERR ') self.fail_test() return warning def deprecated_warning(self, warn, msg): """ Verifies the expected behavior occurs for deprecation warnings. This method expects a SConscript to be present that will causes the warning. The method writes a SConstruct and exercises various combinations of command-line options and SetOption parameters to validate that it performs correctly. The pattern that matches the warning is returned. """ warning = self.deprecated_fatal(warn, msg) def RunPair(option, expected): # run the same test with the option on the command line and # then with the option passed via SetOption(). self.run(options = '--warn=' + option, arguments = '.', stderr = expected, match = match_re_dotall) self.run(options = 'WARN=' + option, arguments = '.', stderr = expected, match = match_re_dotall) # all warnings off, should get no output RunPair('no-deprecated', '') # warning enabled, should get expected output RunPair(warn, warning) # warning disabled, should get either nothing or mandatory message expect = """()|(Can not disable mandataory warning: 'no-%s'\n\n%s)""" % (warn, warning) RunPair('no-' + warn, expect) return warning def diff_substr(self, expect, actual, prelen=20, postlen=40): i = 0 for x, y in zip(expect, actual): if x != y: return "Actual did not match expect at char %d:\n" \ " Expect: %s\n" \ " Actual: %s\n" \ % (i, repr(expect[i-prelen:i+postlen]), repr(actual[i-prelen:i+postlen])) i = i + 1 return "Actual matched the expected output???" def python_file_line(self, file, line): """ Returns a Python error line for output comparisons. The exec of the traceback line gives us the correct format for this version of Python. Before 2.5, this yielded: File "", line 1, ? Python 2.5 changed this to: File "", line 1, We stick the requested file name and line number in the right places, abstracting out the version difference. """ exec 'import traceback; x = traceback.format_stack()[-1]' x = x.lstrip() x = x.replace('', file) x = x.replace('line 1,', 'line %s,' % line) return x def normalize_pdf(self, s): s = re.sub(r'/(Creation|Mod)Date \(D:[^)]*\)', r'/\1Date (D:XXXX)', s) s = re.sub(r'/ID \[<[0-9a-fA-F]*> <[0-9a-fA-F]*>\]', r'/ID [ ]', s) s = re.sub(r'/(BaseFont|FontName) /[A-Z]{6}', r'/\1 /XXXXXX', s) s = re.sub(r'/Length \d+ *\n/Filter /FlateDecode\n', r'/Length XXXX\n/Filter /FlateDecode\n', s) try: import zlib except ImportError: pass else: begin_marker = '/FlateDecode\n>>\nstream\n' end_marker = 'endstream\nendobj' encoded = [] b = s.find(begin_marker, 0) while b != -1: b = b + len(begin_marker) e = s.find(end_marker, b) encoded.append((b, e)) b = s.find(begin_marker, e + len(end_marker)) x = 0 r = [] for b, e in encoded: r.append(s[x:b]) d = zlib.decompress(s[b:e]) d = re.sub(r'%%CreationDate: [^\n]*\n', r'%%CreationDate: 1970 Jan 01 00:00:00\n', d) d = re.sub(r'%DVIPSSource: TeX output \d\d\d\d\.\d\d\.\d\d:\d\d\d\d', r'%DVIPSSource: TeX output 1970.01.01:0000', d) d = re.sub(r'/(BaseFont|FontName) /[A-Z]{6}', r'/\1 /XXXXXX', d) r.append(d) x = e r.append(s[x:]) s = ''.join(r) return s def paths(self,patterns): import glob result = [] for p in patterns: result.extend(sorted(glob.glob(p))) return result def java_ENV(self, version=None): """ Initialize with a default external environment that uses a local Java SDK in preference to whatever's found in the default PATH. """ try: return self._java_env[version]['ENV'] except AttributeError: self._java_env = {} except KeyError: pass import SCons.Environment env = SCons.Environment.Environment() self._java_env[version] = env if version: patterns = [ '/usr/java/jdk%s*/bin' % version, '/usr/lib/jvm/*-%s*/bin' % version, '/usr/local/j2sdk%s*/bin' % version, ] java_path = self.paths(patterns) + [env['ENV']['PATH']] else: patterns = [ '/usr/java/latest/bin', '/usr/lib/jvm/*/bin', '/usr/local/j2sdk*/bin', ] java_path = self.paths(patterns) + [env['ENV']['PATH']] env['ENV']['PATH'] = os.pathsep.join(java_path) return env['ENV'] def java_where_includes(self,version=None): """ Return java include paths compiling java jni code """ import glob import sys if not version: version='' frame = '/System/Library/Frameworks/JavaVM.framework/Headers/jni.h' else: frame = '/System/Library/Frameworks/JavaVM.framework/Versions/%s*/Headers/jni.h'%version jni_dirs = ['/usr/lib/jvm/java-*-sun-%s*/include/jni.h'%version, '/usr/java/jdk%s*/include/jni.h'%version, frame, ] dirs = self.paths(jni_dirs) if not dirs: return None d=os.path.dirname(self.paths(jni_dirs)[0]) result=[d] if sys.platform == 'win32': result.append(os.path.join(d,'win32')) elif sys.platform == 'linux2': result.append(os.path.join(d,'linux')) return result def java_where_java_home(self,version=None): if sys.platform[:6] == 'darwin': if version is None: home = '/System/Library/Frameworks/JavaVM.framework/Home' else: home = '/System/Library/Frameworks/JavaVM.framework/Versions/%s/Home' % version else: jar = self.java_where_jar(version) home = os.path.normpath('%s/..'%jar) if os.path.isdir(home): return home print("Could not determine JAVA_HOME: %s is not a directory" % home) self.fail_test() def java_where_jar(self, version=None): ENV = self.java_ENV(version) if self.detect_tool('jar', ENV=ENV): where_jar = self.detect('JAR', 'jar', ENV=ENV) else: where_jar = self.where_is('jar', ENV['PATH']) if not where_jar: self.skip_test("Could not find Java jar, skipping test(s).\n") return where_jar def java_where_java(self, version=None): """ Return a path to the java executable. """ ENV = self.java_ENV(version) where_java = self.where_is('java', ENV['PATH']) if not where_java: self.skip_test("Could not find Java java, skipping test(s).\n") return where_java def java_where_javac(self, version=None): """ Return a path to the javac compiler. """ ENV = self.java_ENV(version) if self.detect_tool('javac'): where_javac = self.detect('JAVAC', 'javac', ENV=ENV) else: where_javac = self.where_is('javac', ENV['PATH']) if not where_javac: self.skip_test("Could not find Java javac, skipping test(s).\n") self.run(program = where_javac, arguments = '-version', stderr=None, status=None) if version: if self.stderr().find('javac %s' % version) == -1: fmt = "Could not find javac for Java version %s, skipping test(s).\n" self.skip_test(fmt % version) else: m = re.search(r'javac (\d\.\d)', self.stderr()) if m: version = m.group(1) else: version = None return where_javac, version def java_where_javah(self, version=None): ENV = self.java_ENV(version) if self.detect_tool('javah'): where_javah = self.detect('JAVAH', 'javah', ENV=ENV) else: where_javah = self.where_is('javah', ENV['PATH']) if not where_javah: self.skip_test("Could not find Java javah, skipping test(s).\n") return where_javah def java_where_rmic(self, version=None): ENV = self.java_ENV(version) if self.detect_tool('rmic'): where_rmic = self.detect('RMIC', 'rmic', ENV=ENV) else: where_rmic = self.where_is('rmic', ENV['PATH']) if not where_rmic: self.skip_test("Could not find Java rmic, skipping non-simulated test(s).\n") return where_rmic def java_get_class_files(self, dir): result = [] for dirpath, dirnames, filenames in os.walk(dir): for fname in filenames: if fname.endswith('.class'): result.append(os.path.join(dirpath, fname)) return sorted(result) def Qt_dummy_installation(self, dir='qt'): # create a dummy qt installation self.subdir( dir, [dir, 'bin'], [dir, 'include'], [dir, 'lib'] ) self.write([dir, 'bin', 'mymoc.py'], """\ import getopt import sys import re # -w and -z are fake options used in test/QT/QTFLAGS.py cmd_opts, args = getopt.getopt(sys.argv[1:], 'io:wz', []) output = None impl = 0 opt_string = '' for opt, arg in cmd_opts: if opt == '-o': output = open(arg, 'wb') elif opt == '-i': impl = 1 else: opt_string = opt_string + ' ' + opt output.write("/* mymoc.py%s */\\n" % opt_string) for a in args: contents = open(a, 'rb').read() a = a.replace('\\\\', '\\\\\\\\') subst = r'{ my_qt_symbol( "' + a + '\\\\n" ); }' if impl: contents = re.sub( r'#include.*', '', contents ) output.write(contents.replace('Q_OBJECT', subst)) output.close() sys.exit(0) """) self.write([dir, 'bin', 'myuic.py'], """\ import os.path import re import sys output_arg = 0 impl_arg = 0 impl = None source = None opt_string = '' for arg in sys.argv[1:]: if output_arg: output = open(arg, 'wb') output_arg = 0 elif impl_arg: impl = arg impl_arg = 0 elif arg == "-o": output_arg = 1 elif arg == "-impl": impl_arg = 1 elif arg[0:1] == "-": opt_string = opt_string + ' ' + arg else: if source: sys.exit(1) source = open(arg, 'rb') sourceFile = arg output.write("/* myuic.py%s */\\n" % opt_string) if impl: output.write( '#include "' + impl + '"\\n' ) includes = re.findall('(.*?)', source.read()) for incFile in includes: # this is valid for ui.h files, at least if os.path.exists(incFile): output.write('#include "' + incFile + '"\\n') else: output.write( '#include "my_qobject.h"\\n' + source.read() + " Q_OBJECT \\n" ) output.close() sys.exit(0) """ ) self.write([dir, 'include', 'my_qobject.h'], r""" #define Q_OBJECT ; void my_qt_symbol(const char *arg); """) self.write([dir, 'lib', 'my_qobject.cpp'], r""" #include "../include/my_qobject.h" #include void my_qt_symbol(const char *arg) { fputs( arg, stdout ); } """) self.write([dir, 'lib', 'SConstruct'], r""" env = Environment() import sys if sys.platform == 'win32': env.StaticLibrary( 'myqt', 'my_qobject.cpp' ) else: env.SharedLibrary( 'myqt', 'my_qobject.cpp' ) """) self.run(chdir = self.workpath(dir, 'lib'), arguments = '.', stderr = noisy_ar, match = self.match_re_dotall) self.QT = self.workpath(dir) self.QT_LIB = 'myqt' self.QT_MOC = '%s %s' % (_python_, self.workpath(dir, 'bin', 'mymoc.py')) self.QT_UIC = '%s %s' % (_python_, self.workpath(dir, 'bin', 'myuic.py')) self.QT_LIB_DIR = self.workpath(dir, 'lib') def Qt_create_SConstruct(self, place): if isinstance(place, list): place = test.workpath(*place) self.write(place, """\ if ARGUMENTS.get('noqtdir', 0): QTDIR=None else: QTDIR=r'%s' env = Environment(QTDIR = QTDIR, QT_LIB = r'%s', QT_MOC = r'%s', QT_UIC = r'%s', tools=['default','qt']) dup = 1 if ARGUMENTS.get('variant_dir', 0): if ARGUMENTS.get('chdir', 0): SConscriptChdir(1) else: SConscriptChdir(0) dup=int(ARGUMENTS.get('dup', 1)) if dup == 0: builddir = 'build_dup0' env['QT_DEBUG'] = 1 else: builddir = 'build' VariantDir(builddir, '.', duplicate=dup) print builddir, dup sconscript = Dir(builddir).File('SConscript') else: sconscript = File('SConscript') Export("env dup") SConscript( sconscript ) """ % (self.QT, self.QT_LIB, self.QT_MOC, self.QT_UIC)) NCR = 0 # non-cached rebuild CR = 1 # cached rebuild (up to date) NCF = 2 # non-cached build failure CF = 3 # cached build failure if sys.platform == 'win32': Configure_lib = 'msvcrt' else: Configure_lib = 'm' # to use cygwin compilers on cmd.exe -> uncomment following line #Configure_lib = 'm' def checkLogAndStdout(self, checks, results, cached, logfile, sconf_dir, sconstruct, doCheckLog=1, doCheckStdout=1): class NoMatch(Exception): def __init__(self, p): self.pos = p def matchPart(log, logfile, lastEnd, NoMatch=NoMatch): m = re.match(log, logfile[lastEnd:]) if not m: raise NoMatch(lastEnd) return m.end() + lastEnd try: #print len(os.linesep) ls = os.linesep nols = "(" for i in range(len(ls)): nols = nols + "(" for j in range(i): nols = nols + ls[j] nols = nols + "[^" + ls[i] + "])" if i < len(ls)-1: nols = nols + "|" nols = nols + ")" lastEnd = 0 logfile = self.read(self.workpath(logfile)) if (doCheckLog and logfile.find( "scons: warning: The stored build " "information has an unexpected class." ) >= 0): self.fail_test() sconf_dir = sconf_dir sconstruct = sconstruct log = r'file\ \S*%s\,line \d+:' % re.escape(sconstruct) + ls if doCheckLog: lastEnd = matchPart(log, logfile, lastEnd) log = "\t" + re.escape("Configure(confdir = %s)" % sconf_dir) + ls if doCheckLog: lastEnd = matchPart(log, logfile, lastEnd) rdstr = "" cnt = 0 for check,result,cache_desc in zip(checks, results, cached): log = re.escape("scons: Configure: " + check) + ls if doCheckLog: lastEnd = matchPart(log, logfile, lastEnd) log = "" result_cached = 1 for bld_desc in cache_desc: # each TryXXX for ext, flag in bld_desc: # each file in TryBuild file = os.path.join(sconf_dir,"conftest_%d%s" % (cnt, ext)) if flag == self.NCR: # rebuild will pass if ext in ['.c', '.cpp']: log=log + re.escape(file + " <-") + ls log=log + r"( \|" + nols + "*" + ls + ")+?" else: log=log + "(" + nols + "*" + ls +")*?" result_cached = 0 if flag == self.CR: # up to date log=log + \ re.escape("scons: Configure: \"%s\" is up to date." % file) + ls log=log+re.escape("scons: Configure: The original builder " "output was:") + ls log=log+r"( \|.*"+ls+")+" if flag == self.NCF: # non-cached rebuild failure log=log + "(" + nols + "*" + ls + ")*?" result_cached = 0 if flag == self.CF: # cached rebuild failure log=log + \ re.escape("scons: Configure: Building \"%s\" failed " "in a previous run and all its sources are" " up to date." % file) + ls log=log+re.escape("scons: Configure: The original builder " "output was:") + ls log=log+r"( \|.*"+ls+")+" cnt = cnt + 1 if result_cached: result = "(cached) " + result rdstr = rdstr + re.escape(check) + re.escape(result) + "\n" log=log + re.escape("scons: Configure: " + result) + ls + ls if doCheckLog: lastEnd = matchPart(log, logfile, lastEnd) log = "" if doCheckLog: lastEnd = matchPart(ls, logfile, lastEnd) if doCheckLog and lastEnd != len(logfile): raise NoMatch(lastEnd) except NoMatch, m: print "Cannot match log file against log regexp." print "log file: " print "------------------------------------------------------" print logfile[m.pos:] print "------------------------------------------------------" print "log regexp: " print "------------------------------------------------------" print log print "------------------------------------------------------" self.fail_test() if doCheckStdout: exp_stdout = self.wrap_stdout(".*", rdstr) if not self.match_re_dotall(self.stdout(), exp_stdout): print "Unexpected stdout: " print "-----------------------------------------------------" print repr(self.stdout()) print "-----------------------------------------------------" print repr(exp_stdout) print "-----------------------------------------------------" self.fail_test() def get_python_version(self): """ Returns the Python version (just so everyone doesn't have to hand-code slicing the right number of characters). """ # see also sys.prefix documentation return python_minor_version_string() def get_platform_python_info(self): """ Returns a path to a Python executable suitable for testing on this platform and its associated include path, library path, and library name. """ python = self.where_is('python') if not python: self.skip_test('Can not find installed "python", skipping test.\n') self.run(program = python, stdin = """\ import os, sys try: py_ver = 'python%d.%d' % sys.version_info[:2] except AttributeError: py_ver = 'python' + sys.version[:3] print os.path.join(sys.prefix, 'include', py_ver) print os.path.join(sys.prefix, 'lib', py_ver, 'config') print py_ver """) return [python] + self.stdout().strip().split('\n') def start(self, *args, **kw): """ Starts SCons in the test environment. This method exists to tell Test{Cmd,Common} that we're going to use standard input without forcing every .start() call in the individual tests to do so explicitly. """ if 'stdin' not in kw: kw['stdin'] = True sconsflags = initialize_sconsflags(self.ignore_python_version) try: p = TestCommon.start(self, *args, **kw) finally: restore_sconsflags(sconsflags) return p def wait_for(self, fname, timeout=10.0, popen=None): """ Waits for the specified file name to exist. """ waited = 0.0 while not os.path.exists(fname): if timeout and waited >= timeout: sys.stderr.write('timed out waiting for %s to exist\n' % fname) if popen: popen.stdin.close() self.status = 1 self.finish(popen) self.fail_test() time.sleep(1.0) waited = waited + 1.0 def get_alt_cpp_suffix(self): """ Many CXX tests have this same logic. They all needed to determine if the current os supports files with .C and .c as different files or not in which case they are instructed to use .cpp instead of .C """ if not case_sensitive_suffixes('.c','.C'): alt_cpp_suffix = '.cpp' else: alt_cpp_suffix = '.C' return alt_cpp_suffix class Stat: def __init__(self, name, units, expression, convert=None): if convert is None: convert = lambda x: x self.name = name self.units = units self.expression = re.compile(expression) self.convert = convert StatList = [ Stat('memory-initial', 'kbytes', r'Memory before reading SConscript files:\s+(\d+)', convert=lambda s: int(s) // 1024), Stat('memory-prebuild', 'kbytes', r'Memory before building targets:\s+(\d+)', convert=lambda s: int(s) // 1024), Stat('memory-final', 'kbytes', r'Memory after building targets:\s+(\d+)', convert=lambda s: int(s) // 1024), Stat('time-sconscript', 'seconds', r'Total SConscript file execution time:\s+([\d.]+) seconds'), Stat('time-scons', 'seconds', r'Total SCons execution time:\s+([\d.]+) seconds'), Stat('time-commands', 'seconds', r'Total command execution time:\s+([\d.]+) seconds'), Stat('time-total', 'seconds', r'Total build time:\s+([\d.]+) seconds'), ] class TimeSCons(TestSCons): """Class for timing SCons.""" def __init__(self, *args, **kw): """ In addition to normal TestSCons.TestSCons intialization, this enables verbose mode (which causes the command lines to be displayed in the output) and copies the contents of the directory containing the executing script to the temporary working directory. """ self.variables = kw.get('variables') if self.variables is not None: for variable, value in self.variables.items(): value = os.environ.get(variable, value) try: value = int(value) except ValueError: try: value = float(value) except ValueError: pass self.variables[variable] = value del kw['variables'] self.calibrate = os.environ.get('TIMESCONS_CALIBRATE', '0') != '0' if 'verbose' not in kw and not self.calibrate: kw['verbose'] = True TestSCons.__init__(self, *args, **kw) # TODO(sgk): better way to get the script dir than sys.argv[0] test_dir = os.path.dirname(sys.argv[0]) test_name = os.path.basename(test_dir) if not os.path.isabs(test_dir): test_dir = os.path.join(self.orig_cwd, test_dir) self.copy_timing_configuration(test_dir, self.workpath()) def main(self, *args, **kw): """ The main entry point for standard execution of timings. This method run SCons three times: Once with the --help option, to have it exit after just reading the configuration. Once as a full build of all targets. Once again as a (presumably) null or up-to-date build of all targets. The elapsed time to execute each build is printed after it has finished. """ if 'options' not in kw and self.variables: options = [] for variable, value in self.variables.items(): options.append('%s=%s' % (variable, value)) kw['options'] = ' '.join(options) if self.calibrate: self.calibration(*args, **kw) else: self.uptime() self.startup(*args, **kw) self.full(*args, **kw) self.null(*args, **kw) def trace(self, graph, name, value, units, sort=None): fmt = "TRACE: graph=%s name=%s value=%s units=%s" line = fmt % (graph, name, value, units) if sort is not None: line = line + (' sort=%s' % sort) line = line + '\n' sys.stdout.write(line) sys.stdout.flush() def report_traces(self, trace, stats): self.trace('TimeSCons-elapsed', trace, self.elapsed_time(), "seconds", sort=0) for name, args in stats.items(): self.trace(name, trace, **args) def uptime(self): try: fp = open('/proc/loadavg') except EnvironmentError: pass else: avg1, avg5, avg15 = fp.readline().split(" ")[:3] fp.close() self.trace('load-average', 'average1', avg1, 'processes') self.trace('load-average', 'average5', avg5, 'processes') self.trace('load-average', 'average15', avg15, 'processes') def collect_stats(self, input): result = {} for stat in StatList: m = stat.expression.search(input) if m: value = stat.convert(m.group(1)) # The dict keys match the keyword= arguments # of the trace() method above so they can be # applied directly to that call. result[stat.name] = {'value':value, 'units':stat.units} return result def startup(self, *args, **kw): """ Runs scons with the --help option. This serves as a way to isolate just the amount of startup time spent reading up the configuration, since --help exits before any "real work" is done. """ kw['options'] = kw.get('options', '') + ' --help' # Ignore the exit status. If the --help run dies, we just # won't report any statistics for it, but we can still execute # the full and null builds. kw['status'] = None self.run(*args, **kw) sys.stdout.write(self.stdout()) stats = self.collect_stats(self.stdout()) # Delete the time-commands, since no commands are ever # executed on the help run and it is (or should be) always 0.0. del stats['time-commands'] self.report_traces('startup', stats) def full(self, *args, **kw): """ Runs a full build of SCons. """ self.run(*args, **kw) sys.stdout.write(self.stdout()) stats = self.collect_stats(self.stdout()) self.report_traces('full', stats) self.trace('full-memory', 'initial', **stats['memory-initial']) self.trace('full-memory', 'prebuild', **stats['memory-prebuild']) self.trace('full-memory', 'final', **stats['memory-final']) def calibration(self, *args, **kw): """ Runs a full build of SCons, but only reports calibration information (the variable(s) that were set for this configuration, and the elapsed time to run. """ self.run(*args, **kw) if self.variables: for variable, value in self.variables.items(): sys.stdout.write('VARIABLE: %s=%s\n' % (variable, value)) sys.stdout.write('ELAPSED: %s\n' % self.elapsed_time()) def null(self, *args, **kw): """ Runs an up-to-date null build of SCons. """ # TODO(sgk): allow the caller to specify the target (argument) # that must be up-to-date. self.up_to_date(arguments='.', **kw) sys.stdout.write(self.stdout()) stats = self.collect_stats(self.stdout()) # time-commands should always be 0.0 on a null build, because # no commands should be executed. Remove it from the stats # so we don't trace it, but only if it *is* 0 so that we'll # get some indication if a supposedly-null build actually does # build something. if float(stats['time-commands']['value']) == 0.0: del stats['time-commands'] self.report_traces('null', stats) self.trace('null-memory', 'initial', **stats['memory-initial']) self.trace('null-memory', 'prebuild', **stats['memory-prebuild']) self.trace('null-memory', 'final', **stats['memory-final']) def elapsed_time(self): """ Returns the elapsed time of the most recent command execution. """ return self.endTime - self.startTime def run(self, *args, **kw): """ Runs a single build command, capturing output in the specified file. Because this class is about timing SCons, we record the start and end times of the elapsed execution, and also add the --debug=memory and --debug=time options to have SCons report its own memory and timing statistics. """ kw['options'] = kw.get('options', '') + ' --debug=memory --debug=time' self.startTime = time.time() try: result = TestSCons.run(self, *args, **kw) finally: self.endTime = time.time() return result def copy_timing_configuration(self, source_dir, dest_dir): """ Copies the timing configuration from the specified source_dir (the directory in which the controlling script lives) to the specified dest_dir (a temporary working directory). This ignores all files and directories that begin with the string 'TimeSCons-', and all '.svn' subdirectories. """ for root, dirs, files in os.walk(source_dir): if '.svn' in dirs: dirs.remove('.svn') dirs = [ d for d in dirs if not d.startswith('TimeSCons-') ] files = [ f for f in files if not f.startswith('TimeSCons-') ] for dirname in dirs: source = os.path.join(root, dirname) destination = source.replace(source_dir, dest_dir) os.mkdir(destination) if sys.platform != 'win32': shutil.copystat(source, destination) for filename in files: source = os.path.join(root, filename) destination = source.replace(source_dir, dest_dir) shutil.copy2(source, destination) # In some environments, $AR will generate a warning message to stderr # if the library doesn't previously exist and is being created. One # way to fix this is to tell AR to be quiet (sometimes the 'c' flag), # but this is difficult to do in a platform-/implementation-specific # method. Instead, we will use the following as a stderr match for # tests that use AR so that we will view zero or more "ar: creating # " messages to be successful executions of the test (see # test/AR.py for sample usage). noisy_ar=r'(ar: creating( archive)? \S+\n?)*' # Local Variables: # tab-width:4 # indent-tabs-mode:nil # End: # vim: set expandtab tabstop=4 shiftwidth=4: