333 lines
11 KiB
Python
333 lines
11 KiB
Python
#! py -3
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"""
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Run all (possible) java files and capture output and errors
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"""
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from pathlib import Path
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import pprint
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import textwrap
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import os, sys, re
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from contextlib import contextmanager
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import argparse
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import difflib
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from collections import defaultdict
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class CmdLine:
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"""
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Decorator to add a new command-line option
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See http://www.artima.com/weblogs/viewpost.jsp?thread=240845
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"""
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parser = argparse.ArgumentParser()
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commands = dict()
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letterflags = set()
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def __init__(self, letterFlag, wordFlag):
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self.wordFlag = wordFlag
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self.letterFlag = letterFlag
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assert wordFlag not in CmdLine.commands, "Duplicate command argument word flags"
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assert letterFlag not in CmdLine.letterflags, "Duplicate command argument letter flags"
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CmdLine.letterflags.add(letterFlag)
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def __call__(self, func):
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CmdLine.parser.add_argument("-" + self.letterFlag, "--" + self.wordFlag, action='store_true', help=func.__doc__)
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CmdLine.commands[self.wordFlag] = func # But what if func has arguments?
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return func # No wrapping needed
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@staticmethod
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def run():
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show_help = True
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args = vars(CmdLine.parser.parse_args())
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for wordFlag, func in CmdLine.commands.items():
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if args[wordFlag]:
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func()
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show_help = False
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if show_help:
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CmdLine.parser.print_help()
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###############################################################################
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# Create Powershell Script to run all programs and capture the output
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###############################################################################
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# Powershell: https://gist.github.com/diyan/2850866
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# http://marxsoftware.blogspot.com/2008/02/windows-powershell-and-java.html
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class Flags:
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discard = ["{Requires:"]
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def __init__(self, lines):
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self.flaglines = []
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for line in lines:
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if line.startswith("//"):
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self.flaglines.append(line)
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else:
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break # Only capture top block
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self.flaglines = [line for line in self.flaglines if line.startswith("// {")]
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self.flaglines = [line for line in self.flaglines if not [d for d in Flags.discard if d in line]]
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self.flags = dict()
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for flag in self.flaglines:
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flag = flag[flag.index("{") + 1 : flag.index("}")].strip()
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if ":" in flag:
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fl, arg = flag.split(":")
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fl = fl.strip()
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arg = arg.strip()
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self.flags[fl] = arg
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else:
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self.flags[flag] = None # Make an entry, but no arg
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def __contains__(self, elt):
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return elt in self.flags
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def __repr__(self):
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return pprint.pformat(self.flags)
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def __len__(self):
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return len(self.flaglines)
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def keys(self):
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return {key for key in self.flags.keys()}
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def values(self):
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return str(self.flags.values())
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def jvm_args(self):
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return self.flags["JVMArgs"] if "JVMArgs" in self.flags else ""
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def cmd_args(self):
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return " " + self.flags["Args"] if "Args" in self.flags else ""
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class RunnableFile:
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def __init__(self, path, body):
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self.path = path
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self.name = path.stem
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self.relative = path.relative_to(RunFiles.base)
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self.body = body
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self.lines = body.splitlines()
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self.flags = Flags(self.lines)
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self._package = ""
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for line in self.lines:
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if line.startswith("package "):
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self._package = line.split("package ")[1].strip()[:-1]
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if self._package.replace('.', '/') not in self.lines[0]:
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self._package = ""
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def __contains__(self, elt):
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return elt in self.flags
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def __repr__(self):
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return str(self.relative) #+ ": " + self.name
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def package(self):
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return self._package + '.' if self._package else ''
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def rundir(self):
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"Directory to change to before running the command"
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return self.path.parent
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def javaArguments(self):
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return self.flags.jvm_args() + self.package() + self.name + self.flags.cmd_args()
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def runCommand(self):
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return "java " + self.javaArguments()
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class RunFiles:
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# RunFirst is temporary?
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# Probably don't need ValidateByHand, can just use /* Output:
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# Except ValidateByHand makes it clear this isn't a mistake. Leave it in.
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not_runnable = ["RunByHand", "TimeOutDuringTesting", "CompileTimeError", 'TimeOut', 'RunFirst', "ValidateByHand"]
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skip_dirs = ["gui", "swt"]
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base = Path(".")
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def __init__(self):
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self.runFiles = []
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for java in RunFiles.base.rglob("*.java"):
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with java.open() as code:
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body = code.read()
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if "static void main(String[] args)" in body:
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self.runFiles.append(RunnableFile(java, body))
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allMains = set(self.runFiles)
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self.runFiles = [f for f in self.runFiles if not [nr for nr in self.not_runnable if nr in f]]
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self.runFiles = [f for f in self.runFiles if not [nd for nd in self.skip_dirs if nd in f.path.parts[0]]]
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testedMains = set(self.runFiles)
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self.untested = allMains.difference(testedMains)
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with (RunFiles.base / "Untested.txt").open('w') as utf:
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utf.write(pprint.pformat(self.untested))
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def allFlagKeys(self):
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flagkeys = set()
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for f in [f for f in self.runFiles if f.flags]:
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[flagkeys.add(key) for key in f.flags.keys()]
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return flagkeys
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def allFlagValues(self):
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return [f.flags.values() for f in self.runFiles if f.flags if f.flags.values()]
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def allFlags(self):
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return [f.flags for f in self.runFiles if f.flags]
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def runCommands(self):
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return [f.runCommand() for f in self.runFiles]
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def runData(self):
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return "\n".join(["[{}] {}".format(f.rundir(), f.runCommand()) for f in self.runFiles])
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def __iter__(self):
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return iter(self.runFiles)
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@contextmanager
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def visitDir(d):
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d = str(d)
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old = os.getcwd()
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os.chdir(d)
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yield d
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os.chdir(old)
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@CmdLine("p", "powershell")
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def createPowershellScript():
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"""
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Create Powershell Script to run all programs and capture the output
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"""
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assert Path.cwd().stem is "ExtractedExamples"
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runFiles = RunFiles()
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startDir = os.getcwd()
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with open("runall.ps1", 'w') as ps:
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ps.write('''Start-Process -FilePath "ant" -ArgumentList "build" -NoNewWindow -Wait \n\n''')
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for rf in runFiles:
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with visitDir(rf.rundir()):
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pstext = """\
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Start-Process
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-FilePath "java.exe"
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-ArgumentList "{}"
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-NoNewWindow
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-RedirectStandardOutput {}-output.txt
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-RedirectStandardError {}-erroroutput.txt
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""".format(rf.javaArguments(), rf.name, rf.name)
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pstext = textwrap.dedent(pstext).replace('\n', ' ')
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ps.write("cd {}\n".format(os.getcwd()))
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ps.write(pstext + "\n")
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ps.write('Write-Host [{}] {}\n'.format(rf.relative, rf.name))
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ps.write("cd {}\n\n".format(startDir))
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###############################################################################
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# Attach Output to Java Files
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###############################################################################
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# Tags:
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# (XX% Match)
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# (Sample)
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# (First XX Lines)
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class OutputTags:
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tagfind = re.compile("\(.*?\)")
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def __init__(self, javaFilePath):
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self.javaFilePath = javaFilePath
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self.has_output = False
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self.tags = []
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with self.javaFilePath.open() as code:
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for line in code.readlines():
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if "/* Output:" in line:
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self.has_output = True
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for tag in self.tagfind.findall(line):
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self.tags.append(tag[1:-1])
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def __repr__(self):
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return "{}\n{}\n".format(self.javaFilePath, pprint.pformat(self.tags))
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def __bool__(self):
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return bool(self.has_output and self.tags)
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def __iter__(self):
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return iter(self.tags)
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class Result:
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"""
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Finds result files, compares to output stored in comments at ends of Java files.
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If there's output, and no flag that says otherwise, add /* Output:
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"""
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oldOutput = re.compile("/* Output:.*?\n(.*)\n\*///:~(?s)")
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@staticmethod
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def create(javaFilePath):
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"Factory: If the output files exist and are not both empty, produce Result object"
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outfile = javaFilePath.with_name(javaFilePath.stem + "-output.txt")
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errfile = javaFilePath.with_name(javaFilePath.stem + "-erroroutput.txt")
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if outfile.exists():
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assert errfile.exists()
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else:
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return None
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if outfile.stat().st_size or errfile.stat().st_size:
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return Result(javaFilePath, outfile, errfile)
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else:
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return None
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def __init__(self, javaFilePath, outfile, errfile):
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self.javaFilePath = javaFilePath
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self.outFilePath = outfile
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self.errFilePath = errfile
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self.output_tags = OutputTags(javaFilePath)
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self.old_output = self.__oldOutput()
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self.new_output = self.__newOutput()
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self.difference = difflib.SequenceMatcher(None, self.old_output, self.new_output).ratio()
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def __oldOutput(self):
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with self.javaFilePath.open() as code:
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body = code.read()
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result = self.oldOutput.findall(body)
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return "\n".join(result).rstrip()
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def __newOutput(self):
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result =""
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with self.outFilePath.open() as f:
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result += f.read() + "\n"
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with self.errFilePath.open() as f:
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result += f.read()
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return result.rstrip()
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def __repr__(self):
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def center(arg, sep="_"):
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return "[ {} ]".format(str(arg)).center(50, sep) + "\n"
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result = "\n" + center(self.javaFilePath, "=") +"\n"
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result += "Output tag: {}\n".format(self.output_tag)
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if self.old_output:
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result += center("Previous Output")
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result += self.old_output + "\n\n"
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else:
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result += center("No Previous Output")
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result += center("New Output")
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result += self.new_output + "\n\n"
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result += center("Difference: {}".format(self.difference), '+') + "\n"
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if self.difference == 1.0: return '.'
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return result
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@CmdLine("d", "discover")
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def discoverOutputTags():
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"""
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Discover 'Output:' tags
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"""
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results = [r for r in [Result.create(jfp) for jfp in RunFiles.base.rglob("*.java")] if r]
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assert len(results), "Must run runall.ps1 first"
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tagd = defaultdict(list)
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for tagged in [r for r in [Result.create(jfp) for jfp in RunFiles.base.rglob("*.java")] if r and r.output_tags]:
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for tag in tagged.output_tags:
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tagd[tag].append(str(tagged.javaFilePath))
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pprint.pprint(tagd)
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if __name__ == '__main__': CmdLine.run()
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