OnJava8-Examples/Validate.py
2015-05-08 11:41:01 -07:00

271 lines
9.0 KiB
Python

#! py -3
"""
Run all (possible) java files and capture output and errors
"""
from pathlib import Path
import pprint
import textwrap
import os, sys, re
from contextlib import contextmanager
import argparse
parser = argparse.ArgumentParser()
parser.add_argument("-p", "--powershell", action='store_true',
help="Create Powershell Script to run all programs and capture the output")
parser.add_argument("-c", "--cleanoutput", action='store_true',
help="Clean output files by removing empty ones, and reporting file sizes")
###############################################################################
# Create Powershell Script to run all programs and capture the output
###############################################################################
# Powershell: https://gist.github.com/diyan/2850866
class Flags:
discard = ["{Requires:"]
def __init__(self, lines):
self.flaglines = []
for line in lines:
if line.startswith("//"):
self.flaglines.append(line)
else:
break # Only capture top block
self.flaglines = [line for line in self.flaglines if line.startswith("// {")]
self.flaglines = [line for line in self.flaglines if not [d for d in Flags.discard if d in line]]
self.flags = dict()
for flag in self.flaglines:
flag = flag[flag.index("{") + 1 : flag.index("}")].strip()
if ":" in flag:
fl, arg = flag.split(":")
fl = fl.strip()
arg = arg.strip()
self.flags[fl] = arg
else:
self.flags[flag] = None # Make an entry, but no arg
def __contains__(self, elt):
return elt in self.flags
def __repr__(self):
return pprint.pformat(self.flags)
def __len__(self):
return len(self.flaglines)
def keys(self):
return {key for key in self.flags.keys()}
def values(self):
return str(self.flags.values())
def jvm_args(self):
return self.flags["JVMArgs"] if "JVMArgs" in self.flags else ""
def cmd_args(self):
return " " + self.flags["Args"] if "Args" in self.flags else ""
class RunnableFile:
def __init__(self, path, body):
self.path = path
self.name = path.stem
self.relative = path.relative_to(RunFiles.base)
self.body = body
self.lines = body.splitlines()
self.flags = Flags(self.lines)
self._package = ""
for line in self.lines:
if line.startswith("package "):
self._package = line.split("package ")[1].strip()[:-1]
if self._package.replace('.', '/') not in self.lines[0]:
self._package = ""
def __contains__(self, elt):
return elt in self.flags
def __repr__(self):
return str(self.relative) #+ ": " + self.name
def package(self):
return self._package + '.' if self._package else ''
def rundir(self):
"Directory to change to before running the command"
return self.path.parent
def javaArguments(self):
return self.flags.jvm_args() + self.package() + self.name + self.flags.cmd_args()
def runCommand(self):
return "java " + self.javaArguments()
class RunFiles:
# RunFirst is temporary?
not_runnable = ["RunByHand", "TimeOutDuringTesting", "CompileTimeError", 'TimeOut', 'RunFirst']
skip_dirs = ["gui", "swt"]
base = Path(".")
def __init__(self):
self.runFiles = []
for java in RunFiles.base.rglob("*.java"):
with java.open() as code:
body = code.read()
if "static void main(String[] args)" in body:
self.runFiles.append(RunnableFile(java, body))
allMains = set(self.runFiles)
self.runFiles = [f for f in self.runFiles if not [nr for nr in self.not_runnable if nr in f]]
self.runFiles = [f for f in self.runFiles if not [nd for nd in self.skip_dirs if nd in f.path.parts[0]]]
testedMains = set(self.runFiles)
self.untested = allMains.difference(testedMains)
with (RunFiles.base / "Untested.txt").open('w') as utf:
utf.write(pprint.pformat(self.untested))
def allFlagKeys(self):
flagkeys = set()
for f in [f for f in self.runFiles if f.flags]:
[flagkeys.add(key) for key in f.flags.keys()]
return flagkeys
def allFlagValues(self):
return [f.flags.values() for f in self.runFiles if f.flags if f.flags.values()]
def allFlags(self):
return [f.flags for f in self.runFiles if f.flags]
def runCommands(self):
return [f.runCommand() for f in self.runFiles]
def runData(self):
return "\n".join(["[{}] {}".format(f.rundir(), f.runCommand()) for f in self.runFiles])
def __iter__(self):
return iter(self.runFiles)
@contextmanager
def visitDir(d):
d = str(d)
old = os.getcwd()
os.chdir(d)
yield d
os.chdir(old)
def createPowershellScript():
assert Path.cwd().stem is "ExtractedExamples"
runFiles = RunFiles()
startDir = os.getcwd()
# [print(f, f.flags) for f in runFiles]
# sys.exit()
with open("runall.ps1", 'w') as ps:
for rf in runFiles:
with visitDir(rf.rundir()):
pstext = """\
Start-Process
-FilePath "java.exe"
-ArgumentList "{}"
-NoNewWindow
-RedirectStandardOutput {}-output.txt
-RedirectStandardError {}-erroroutput.txt
""".format(rf.javaArguments(), rf.name, rf.name)
pstext = textwrap.dedent(pstext).replace('\n', ' ')
ps.write("cd {}\n".format(os.getcwd()))
ps.write(pstext + "\n")
ps.write('Write-Host [{}] {}\n'.format(rf.relative, rf.name))
ps.write("cd {}\n".format(startDir))
# pprint.pprint(runFiles.runCommands())
###############################################################################
# Attach Output to Java Files
###############################################################################
class Result:
oldOutput = re.compile("/* Output:.*?\n(.*)\n\*///:~(?s)")
@staticmethod
def create(javaFilePath):
"Factory: If the output files exist and are not both empty, produce Result object"
outfile = javaFilePath.with_name(javaFilePath.stem + "-output.txt")
errfile = javaFilePath.with_name(javaFilePath.stem + "-erroroutput.txt")
if outfile.exists():
assert errfile.exists()
else:
return None
# Ensure that only one contains data:
if outfile.stat().st_size:
assert not errfile.stat().st_size
if errfile.stat().st_size:
assert not outfile.stat().st_size
# Only create if at least one has output:
if outfile.stat().st_size or errfile.stat().st_size:
return Result(javaFilePath, outfile, errfile)
else:
return None
def __init__(self, javaFilePath, outfile, errfile):
self.javaFilePath = javaFilePath
self.outFilePath = outfile
self.outFileSize = self.outFilePath.stat().st_size
self.errFilePath = errfile
self.errFileSize = self.errFilePath.stat().st_size
def extractOldOutput(jfp):
with self.javaFilePath.open() as code:
return self.oldOutput.findall(code.read())
self.old_output = extractOldOutput(self.javaFilePath)
def newOutput(self):
if self.outFileSize:
with self.outFilePath.open() as f:
return f.read()
if self.errFileSize:
with self.errFilePath.open() as f:
return f.read()
assert False
def __repr__(self):
def center(arg, sep="_"):
return "[ {} ]".format(str(arg)).center(50, sep) + "\n"
result = "\n" + center(self.javaFilePath, "=") +\
str(self.outFilePath) + " " + str(self.outFileSize) + "\n" +\
str(self.errFilePath) + " " + str(self.errFileSize) + "\n"
if self.old_output:
result += center("Previous Output")
result += "\n".join(self.old_output) + "\n"
else:
result += center("No Previous Output")
result += center("New Output")
result += self.newOutput() + "\n"
return result
def checkAndCleanResults():
print("checkAndCleanResults()")
assert Path.cwd().stem is "ExtractedExamples"
results = [r for r in [Result.create(jfp) for jfp in RunFiles.base.rglob("*.java")] if r]
pprint.pprint(results)
###############################################################################
# Main execution logic
###############################################################################
def default():
checkAndCleanResults()
if __name__ == '__main__':
args = parser.parse_args()
if not any(vars(args).values()): default()
if args.powershell:
createPowershellScript()
if args.cleanoutput:
checkAndCleanResults()