+from __future__ import absolute_import
import os, signal, subprocess, sys
-import StringIO
-
-import ShUtil
-import Test
-import Util
-
+import re
import platform
import tempfile
-import re
+import lit.ShUtil as ShUtil
+import lit.Test as Test
+import lit.util
class InternalShellError(Exception):
def __init__(self, command, message):
# Use temporary files to replace /dev/null on Windows.
kAvoidDevNull = kIsWindows
-def executeCommand(command, cwd=None, env=None):
- # Close extra file handles on UNIX (on Windows this cannot be done while
- # also redirecting input).
- close_fds = not kIsWindows
-
- p = subprocess.Popen(command, cwd=cwd,
- stdin=subprocess.PIPE,
- stdout=subprocess.PIPE,
- stderr=subprocess.PIPE,
- env=env, close_fds=close_fds)
- out,err = p.communicate()
- exitCode = p.wait()
-
- # Detect Ctrl-C in subprocess.
- if exitCode == -signal.SIGINT:
- raise KeyboardInterrupt
-
- return out, err, exitCode
-
def executeShCmd(cmd, cfg, cwd, results):
if isinstance(cmd, ShUtil.Seq):
if cmd.op == ';':
return executeShCmd(cmd.rhs, cfg, cwd, results)
if cmd.op == '&':
- raise NotImplementedError,"unsupported test command: '&'"
+ raise InternalShellError(cmd,"unsupported shell operator: '&'")
if cmd.op == '||':
res = executeShCmd(cmd.lhs, cfg, cwd, results)
if res != 0:
res = executeShCmd(cmd.rhs, cfg, cwd, results)
return res
+
if cmd.op == '&&':
res = executeShCmd(cmd.lhs, cfg, cwd, results)
if res is None:
res = executeShCmd(cmd.rhs, cfg, cwd, results)
return res
- raise ValueError,'Unknown shell command: %r' % cmd.op
+ raise ValueError('Unknown shell command: %r' % cmd.op)
assert isinstance(cmd, ShUtil.Pipeline)
procs = []
# output. This is null until we have seen some output using
# stderr.
for i,j in enumerate(cmd.commands):
- # Apply the redirections, we use (N,) as a sentinal to indicate stdin,
+ # Apply the redirections, we use (N,) as a sentinel to indicate stdin,
# stdout, stderr for N equal to 0, 1, or 2 respectively. Redirects to or
# from a file are represented with a list [file, mode, file-object]
# where file-object is initially None.
elif r[0] == ('<',):
redirects[0] = [r[1], 'r', None]
else:
- raise NotImplementedError,"Unsupported redirect: %r" % (r,)
+ raise InternalShellError(j,"Unsupported redirect: %r" % (r,))
# Map from the final redirections to something subprocess can handle.
final_redirects = []
result = input
elif r == (1,):
if index == 0:
- raise NotImplementedError,"Unsupported redirect for stdin"
+ raise InternalShellError(j,"Unsupported redirect for stdin")
elif index == 1:
result = subprocess.PIPE
else:
result = subprocess.STDOUT
elif r == (2,):
if index != 2:
- raise NotImplementedError,"Unsupported redirect on stdout"
+ raise InternalShellError(j,"Unsupported redirect on stdout")
result = subprocess.PIPE
else:
if r[2] is None:
# Resolve the executable path ourselves.
args = list(j.args)
- args[0] = Util.which(args[0], cfg.environment['PATH'])
+ args[0] = lit.util.which(args[0], cfg.environment['PATH'])
if not args[0]:
raise InternalShellError(j, '%r: command not found' % j.args[0])
if res == -signal.SIGINT:
raise KeyboardInterrupt
+ # Ensure the resulting output is always of string type.
+ try:
+ out = str(out.decode('ascii'))
+ except:
+ out = str(out)
+ try:
+ err = str(err.decode('ascii'))
+ except:
+ err = str(err)
+
results.append((cmd.commands[i], out, err, res))
if cmd.pipe_err:
# Python treats the exit code as a signed char.
- if res < 0:
+ if exitCode is None:
+ exitCode = res
+ elif res < 0:
exitCode = min(exitCode, res)
else:
exitCode = max(exitCode, res)
cmds = []
for ln in commands:
try:
- cmds.append(ShUtil.ShParser(ln, litConfig.isWindows).parse())
+ cmds.append(ShUtil.ShParser(ln, litConfig.isWindows,
+ test.config.pipefail).parse())
except:
- return (Test.FAIL, "shell parser error on: %r" % ln)
+ return lit.Test.Result(Test.FAIL, "shell parser error on: %r" % ln)
cmd = cmds[0]
for c in cmds[1:]:
results = []
try:
exitCode = executeShCmd(cmd, test.config, cwd, results)
- except InternalShellError,e:
- out = ''
- err = e.message
- exitCode = 255
+ except InternalShellError:
+ e = sys.exc_info()[1]
+ exitCode = 127
+ results.append((e.command, '', e.message, exitCode))
out = err = ''
for i,(cmd, cmd_out,cmd_err,res) in enumerate(results):
return out, err, exitCode
-def executeTclScriptInternal(test, litConfig, tmpBase, commands, cwd):
- import TclUtil
- cmds = []
- for ln in commands:
- # Given the unfortunate way LLVM's test are written, the line gets
- # backslash substitution done twice.
- ln = TclUtil.TclLexer(ln).lex_unquoted(process_all = True)
-
- try:
- tokens = list(TclUtil.TclLexer(ln).lex())
- except:
- return (Test.FAIL, "Tcl lexer error on: %r" % ln)
-
- # Validate there are no control tokens.
- for t in tokens:
- if not isinstance(t, str):
- return (Test.FAIL,
- "Invalid test line: %r containing %r" % (ln, t))
-
- try:
- cmds.append(TclUtil.TclExecCommand(tokens).parse_pipeline())
- except:
- return (Test.FAIL, "Tcl 'exec' parse error on: %r" % ln)
-
- if litConfig.useValgrind:
- for pipeline in cmds:
- if pipeline.commands:
- # Only valgrind the first command in each pipeline, to avoid
- # valgrinding things like grep, not, and FileCheck.
- cmd = pipeline.commands[0]
- cmd.args = litConfig.valgrindArgs + cmd.args
-
- cmd = cmds[0]
- for c in cmds[1:]:
- cmd = ShUtil.Seq(cmd, '&&', c)
-
- # FIXME: This is lame, we shouldn't need bash. See PR5240.
- bashPath = litConfig.getBashPath()
- if litConfig.useTclAsSh and bashPath:
- script = tmpBase + '.script'
-
- # Write script file
- f = open(script,'w')
- print >>f, 'set -o pipefail'
- cmd.toShell(f, pipefail = True)
- f.close()
-
- if 0:
- print >>sys.stdout, cmd
- print >>sys.stdout, open(script).read()
- print >>sys.stdout
- return '', '', 0
-
- command = [litConfig.getBashPath(), script]
- out,err,exitCode = executeCommand(command, cwd=cwd,
- env=test.config.environment)
-
- return out,err,exitCode
- else:
- results = []
- try:
- exitCode = executeShCmd(cmd, test.config, cwd, results)
- except InternalShellError,e:
- results.append((e.command, '', e.message + '\n', 255))
- exitCode = 255
-
- out = err = ''
-
- for i,(cmd, cmd_out, cmd_err, res) in enumerate(results):
- out += 'Command %d: %s\n' % (i, ' '.join('"%s"' % s for s in cmd.args))
- out += 'Command %d Result: %r\n' % (i, res)
- out += 'Command %d Output:\n%s\n\n' % (i, cmd_out)
- out += 'Command %d Stderr:\n%s\n\n' % (i, cmd_err)
-
- return out, err, exitCode
-
def executeScript(test, litConfig, tmpBase, commands, cwd):
bashPath = litConfig.getBashPath();
isWin32CMDEXE = (litConfig.isWindows and not bashPath)
script += '.bat'
# Write script file
- f = open(script,'w')
+ mode = 'w'
+ if litConfig.isWindows and not isWin32CMDEXE:
+ mode += 'b' # Avoid CRLFs when writing bash scripts.
+ f = open(script, mode)
if isWin32CMDEXE:
f.write('\nif %ERRORLEVEL% NEQ 0 EXIT\n'.join(commands))
else:
+ if test.config.pipefail:
+ f.write('set -o pipefail;')
f.write('{ ' + '; } &&\n{ '.join(commands) + '; }')
f.write('\n')
f.close()
# run on clang with no real loss.
command = litConfig.valgrindArgs + command
- return executeCommand(command, cwd=cwd, env=test.config.environment)
-
-def isExpectedFail(test, xfails):
- # Check if any of the xfails match an available feature or the target.
- for item in xfails:
- # If this is the wildcard, it always fails.
- if item == '*':
- return True
+ return lit.util.executeCommand(command, cwd=cwd,
+ env=test.config.environment)
- # If this is an exact match for one of the features, it fails.
- if item in test.config.available_features:
- return True
+def parseIntegratedTestScriptCommands(source_path):
+ """
+ parseIntegratedTestScriptCommands(source_path) -> commands
- # If this is a part of the target triple, it fails.
- if item in test.suite.config.target_triple:
- return True
+ Parse the commands in an integrated test script file into a list of
+ (line_number, command_type, line).
+ """
- return False
+ # This code is carefully written to be dual compatible with Python 2.5+ and
+ # Python 3 without requiring input files to always have valid codings. The
+ # trick we use is to open the file in binary mode and use the regular
+ # expression library to find the commands, with it scanning strings in
+ # Python2 and bytes in Python3.
+ #
+ # Once we find a match, we do require each script line to be decodable to
+ # ascii, so we convert the outputs to ascii before returning. This way the
+ # remaining code can work with "strings" agnostic of the executing Python
+ # version.
+
+ def to_bytes(str):
+ # Encode to Latin1 to get binary data.
+ return str.encode('ISO-8859-1')
+ keywords = ('RUN:', 'XFAIL:', 'REQUIRES:', 'END.')
+ keywords_re = re.compile(
+ to_bytes("(%s)(.*)\n" % ("|".join(k for k in keywords),)))
+
+ f = open(source_path, 'rb')
+ try:
+ # Read the entire file contents.
+ data = f.read()
+
+ # Iterate over the matches.
+ line_number = 1
+ last_match_position = 0
+ for match in keywords_re.finditer(data):
+ # Compute the updated line number by counting the intervening
+ # newlines.
+ match_position = match.start()
+ line_number += data.count(to_bytes('\n'), last_match_position,
+ match_position)
+ last_match_position = match_position
+
+ # Convert the keyword and line to ascii strings and yield the
+ # command. Note that we take care to return regular strings in
+ # Python 2, to avoid other code having to differentiate between the
+ # str and unicode types.
+ keyword,ln = match.groups()
+ yield (line_number, str(keyword[:-1].decode('ascii')),
+ str(ln.decode('ascii')))
+ finally:
+ f.close()
def parseIntegratedTestScript(test, normalize_slashes=False,
extra_substitutions=[]):
execdir,execbase = os.path.split(execpath)
tmpDir = os.path.join(execdir, 'Output')
tmpBase = os.path.join(tmpDir, execbase)
- if test.index is not None:
- tmpBase += '_%d' % test.index
# Normalize slashes, if requested.
if normalize_slashes:
('%{pathsep}', os.pathsep),
('%t', tmpBase + '.tmp'),
('%T', tmpDir),
- # FIXME: Remove this once we kill DejaGNU.
- ('%abs_tmp', tmpBase + '.tmp'),
('#_MARKER_#', '%')])
+ # "%/[STpst]" should be normalized.
+ substitutions.extend([
+ ('%/s', sourcepath.replace('\\', '/')),
+ ('%/S', sourcedir.replace('\\', '/')),
+ ('%/p', sourcedir.replace('\\', '/')),
+ ('%/t', tmpBase.replace('\\', '/') + '.tmp'),
+ ('%/T', tmpDir.replace('\\', '/')),
+ ])
+
# Collect the test lines from the script.
script = []
- xfails = []
requires = []
- line_number = 0
- for ln in open(sourcepath):
- line_number += 1
- if 'RUN:' in ln:
- # Isolate the command to run.
- index = ln.index('RUN:')
- ln = ln[index+4:]
-
+ for line_number, command_type, ln in \
+ parseIntegratedTestScriptCommands(sourcepath):
+ if command_type == 'RUN':
# Trim trailing whitespace.
ln = ln.rstrip()
script[-1] = script[-1][:-1] + ln
else:
script.append(ln)
- elif 'XFAIL:' in ln:
- items = ln[ln.index('XFAIL:') + 6:].split(',')
- xfails.extend([s.strip() for s in items])
- elif 'REQUIRES:' in ln:
- items = ln[ln.index('REQUIRES:') + 9:].split(',')
- requires.extend([s.strip() for s in items])
- elif 'END.' in ln:
- # Check for END. lines.
- if ln[ln.index('END.'):].strip() == 'END.':
+ elif command_type == 'XFAIL':
+ test.xfails.extend([s.strip() for s in ln.split(',')])
+ elif command_type == 'REQUIRES':
+ requires.extend([s.strip() for s in ln.split(',')])
+ elif command_type == 'END':
+ # END commands are only honored if the rest of the line is empty.
+ if not ln.strip():
break
+ else:
+ raise ValueError("unknown script command type: %r" % (
+ command_type,))
# Apply substitutions to the script. Allow full regular
# expression syntax. Replace each matching occurrence of regular
# Strip the trailing newline and any extra whitespace.
return ln.strip()
- script = map(processLine, script)
+ script = [processLine(ln)
+ for ln in script]
# Verify the script contains a run line.
if not script:
- return (Test.UNRESOLVED, "Test has no run line!")
+ return lit.Test.Result(Test.UNRESOLVED, "Test has no run line!")
# Check for unterminated run lines.
if script[-1][-1] == '\\':
- return (Test.UNRESOLVED, "Test has unterminated run lines (with '\\')")
+ return lit.Test.Result(Test.UNRESOLVED,
+ "Test has unterminated run lines (with '\\')")
# Check that we have the required features:
missing_required_features = [f for f in requires
if f not in test.config.available_features]
if missing_required_features:
msg = ', '.join(missing_required_features)
- return (Test.UNSUPPORTED,
- "Test requires the following features: %s" % msg)
-
- isXFail = isExpectedFail(test, xfails)
- return script,isXFail,tmpBase,execdir
-
-def formatTestOutput(status, out, err, exitCode, failDueToStderr, script):
- output = StringIO.StringIO()
- print >>output, "Script:"
- print >>output, "--"
- print >>output, '\n'.join(script)
- print >>output, "--"
- print >>output, "Exit Code: %r" % exitCode,
- if failDueToStderr:
- print >>output, "(but there was output on stderr)"
- else:
- print >>output
- if out:
- print >>output, "Command Output (stdout):"
- print >>output, "--"
- output.write(out)
- print >>output, "--"
- if err:
- print >>output, "Command Output (stderr):"
- print >>output, "--"
- output.write(err)
- print >>output, "--"
- return (status, output.getvalue())
-
-def executeTclTest(test, litConfig):
- if test.config.unsupported:
- return (Test.UNSUPPORTED, 'Test is unsupported')
-
- # Parse the test script, normalizing slashes in substitutions on Windows
- # (since otherwise Tcl style lexing will treat them as escapes).
- res = parseIntegratedTestScript(test, normalize_slashes=kIsWindows)
- if len(res) == 2:
- return res
+ return lit.Test.Result(Test.UNSUPPORTED,
+ "Test requires the following features: %s" % msg)
- script, isXFail, tmpBase, execdir = res
-
- if litConfig.noExecute:
- return (Test.PASS, '')
-
- # Create the output directory if it does not already exist.
- Util.mkdir_p(os.path.dirname(tmpBase))
-
- res = executeTclScriptInternal(test, litConfig, tmpBase, script, execdir)
- if len(res) == 2:
- return res
-
- # Test for failure. In addition to the exit code, Tcl commands are
- # considered to fail if there is any standard error output.
- out,err,exitCode = res
- if isXFail:
- ok = exitCode != 0 or err and not litConfig.ignoreStdErr
- if ok:
- status = Test.XFAIL
- else:
- status = Test.XPASS
- else:
- ok = exitCode == 0 and (not err or litConfig.ignoreStdErr)
- if ok:
- status = Test.PASS
- else:
- status = Test.FAIL
-
- if ok:
- return (status,'')
-
- # Set a flag for formatTestOutput so it can explain why the test was
- # considered to have failed, despite having an exit code of 0.
- failDueToStderr = exitCode == 0 and err and not litConfig.ignoreStdErr
-
- return formatTestOutput(status, out, err, exitCode, failDueToStderr, script)
+ return script,tmpBase,execdir
def executeShTest(test, litConfig, useExternalSh,
extra_substitutions=[]):
return (Test.UNSUPPORTED, 'Test is unsupported')
res = parseIntegratedTestScript(test, useExternalSh, extra_substitutions)
- if len(res) == 2:
+ if isinstance(res, lit.Test.Result):
return res
-
- script, isXFail, tmpBase, execdir = res
-
if litConfig.noExecute:
- return (Test.PASS, '')
+ return lit.Test.Result(Test.PASS)
+
+ script, tmpBase, execdir = res
# Create the output directory if it does not already exist.
- Util.mkdir_p(os.path.dirname(tmpBase))
+ lit.util.mkdir_p(os.path.dirname(tmpBase))
if useExternalSh:
res = executeScript(test, litConfig, tmpBase, script, execdir)
else:
res = executeScriptInternal(test, litConfig, tmpBase, script, execdir)
- if len(res) == 2:
+ if isinstance(res, lit.Test.Result):
return res
out,err,exitCode = res
- if isXFail:
- ok = exitCode != 0
- if ok:
- status = Test.XFAIL
- else:
- status = Test.XPASS
+ if exitCode == 0:
+ status = Test.PASS
else:
- ok = exitCode == 0
- if ok:
- status = Test.PASS
- else:
- status = Test.FAIL
+ status = Test.FAIL
- if ok:
- return (status,'')
+ # Form the output log.
+ output = """Script:\n--\n%s\n--\nExit Code: %d\n\n""" % (
+ '\n'.join(script), exitCode)
- # Sh tests are not considered to fail just from stderr output.
- failDueToStderr = False
+ # Append the outputs, if present.
+ if out:
+ output += """Command Output (stdout):\n--\n%s\n--\n""" % (out,)
+ if err:
+ output += """Command Output (stderr):\n--\n%s\n--\n""" % (err,)
- return formatTestOutput(status, out, err, exitCode, failDueToStderr, script)
+ return lit.Test.Result(status, output)
projects / oota-llvm.git / blobdiff