OnJava8-Examples/Validate.py
2015-05-10 15:08:56 -07:00

321 lines
11 KiB
Python

#! py -3
"""
Run all (possible) java files and capture output and errors
TODO: 1st and last 10 lines, with ... in between? {FirstAndLast: 10 Lines}
"""
from pathlib import Path
import pprint
import textwrap
import os, sys, re
import difflib
from collections import defaultdict
from betools import CmdLine, visitDir
###############################################################################
# Create Powershell Script to run all programs and capture the output
###############################################################################
# Powershell: https://gist.github.com/diyan/2850866
# http://marxsoftware.blogspot.com/2008/02/windows-powershell-and-java.html
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)
@CmdLine("p", "powershell")
def createPowershellScript():
"""
Create Powershell Script to run all programs and capture the output
"""
assert Path.cwd().stem is "ExtractedExamples"
runFiles = RunFiles()
startDir = os.getcwd()
with open("runall.ps1", 'w') as ps:
ps.write('''Start-Process -FilePath "ant" -ArgumentList "build" -NoNewWindow -Wait \n\n''')
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\n".format(startDir))
###############################################################################
# Attach Output to Java Files
###############################################################################
# Tags:
# (XX% Match)
# (Sample)
# (First XX Lines)
class OutputTags:
tagfind = re.compile("\(.*?\)")
def __init__(self, javaFilePath):
self.javaFilePath = javaFilePath
self.has_output = False
self.tags = []
with self.javaFilePath.open() as code:
for line in code.readlines():
if "/* Output:" in line:
self.has_output = True
for tag in self.tagfind.findall(line):
self.tags.append(tag[1:-1])
def __repr__(self):
return "{}\n{}\n".format(self.javaFilePath, pprint.pformat(self.tags))
def __bool__(self):
return bool(self.has_output and self.tags)
def __iter__(self):
return iter(self.tags)
# def path_ends_with(fullPath, partialPath):
# path = list(reversed(fullPath.parts))
# for i, part in enumerate(reversed(partialPath.parts)):
# if not part is path[i]:
# return False
# return True
# Path.ends_with = path_ends_with # extension method to Path
class Result:
"""
Finds result files, compares to output stored in comments at ends of Java files.
If there's output, and no flag that says otherwise, add /* Output:
"""
excludefiles = [
"object/ShowProperties.java",
]
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"
for p in Result.excludefiles:
if javaFilePath.match(p):
return None
outfile = javaFilePath.with_name(javaFilePath.stem + "-output.txt")
errfile = javaFilePath.with_name(javaFilePath.stem + "-erroroutput.txt")
if outfile.exists():
assert errfile.exists()
with javaFilePath.open() as jf:
if "{CheckOutputByHand}" in jf.read():
return None
if outfile.stat().st_size or errfile.stat().st_size:
return Result(javaFilePath, outfile, errfile)
return None
def __init__(self, javaFilePath, outfile, errfile):
self.javaFilePath = javaFilePath
self.outFilePath = outfile
self.errFilePath = errfile
self.output_tags = OutputTags(javaFilePath)
self.old_output = self.__oldOutput()
self.new_output = self.__newOutput()
self.difference = difflib.SequenceMatcher(None, self.old_output, self.new_output).ratio()
def __oldOutput(self):
with self.javaFilePath.open() as code:
body = code.read()
result = self.oldOutput.findall(body)
return "\n".join(result).rstrip()
def __newOutput(self):
result =""
with self.outFilePath.open() as f:
result += f.read() + "\n"
with self.errFilePath.open() as f:
result += f.read()
return result.rstrip()
def __repr__(self):
def center(arg, sep="_"):
return "[ {} ]".format(str(arg)).center(50, sep) + "\n"
result = "\n" + center(self.javaFilePath, "=") +"\n"
if self.old_output:
result += center("Previous Output")
result += self.old_output + "\n\n"
else:
result += center("No Previous Output")
result += center("New Output")
result += self.new_output + "\n\n"
result += center("Difference: {}".format(self.difference), '+') + "\n"
if self.difference == 1.0: return '.'
return result
@CmdLine("d", "discover")
def discoverOutputTags():
"""
Discover 'Output:' tags
"""
results = [r for r in [Result.create(jfp) for jfp in RunFiles.base.rglob("*.java")] if r]
assert len(results), "Must run runall.ps1 first"
tagd = defaultdict(list)
for tagged in [r for r in [Result.create(jfp) for jfp in RunFiles.base.rglob("*.java")] if r and r.output_tags]:
for tag in tagged.output_tags:
tagd[tag].append(str(tagged.javaFilePath))
pprint.pprint(tagd)
@CmdLine("f", "fillin")
def fillInUnexcludedOutput():
"""
Find the files that aren't explicitly excluded AND have no OUTPUT:, show them and their output.
"""
results = [r for r in [Result.create(jfp) for jfp in RunFiles.base.rglob("*.java")] if r]
assert len(results), "Must run runall.ps1 first"
nonexcluded = []
for r in results:
if r.output_tags:
for t in r.output_tags:
if t in RunFiles.not_runnable:
break
else:
if not r.old_output:
nonexcluded.append(r)
pprint.pprint(nonexcluded)
if __name__ == '__main__': CmdLine.run()