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# -*- Python -*-
# Configuration file for the 'lit' test runner.
import os
import sys
import re
import platform
import lit.util
import lit.formats
# name: The name of this test suite.
config.name = 'Dafny'
config.test_format = lit.formats.ShTest(execute_external=False)
# suffixes: A list of file extensions to treat as test files. This is overriden
# by individual lit.local.cfg files in the test subdirectories.
config.suffixes = ['.dfy']
# excludes: A list of directories to exclude from the testsuite. The 'Inputs'
# subdirectories contain auxiliary inputs for various tests in their parent
# directories.
config.excludes = []
# test_source_root: The root path where tests are located.
config.test_source_root = os.path.dirname(os.path.abspath(__file__))
# test_exec_root: The root path where tests should be run.
config.test_exec_root = config.test_source_root
# Propagate 'HOME' through the environment.
if 'HOME' in os.environ:
config.environment['HOME'] = os.environ['HOME']
# Propagate 'INCLUDE' through the environment.
if 'INCLUDE' in os.environ:
config.environment['INCLUDE'] = os.environ['INCLUDE']
# Propagate 'LIB' through the environment.
if 'LIB' in os.environ:
config.environment['LIB'] = os.environ['LIB']
# Propagate the temp directory. Windows requires this because it uses \Windows\
# if none of these are present.
if 'TMP' in os.environ:
config.environment['TMP'] = os.environ['TMP']
if 'TEMP' in os.environ:
config.environment['TEMP'] = os.environ['TEMP']
# Propagate PYTHON_EXECUTABLE into the environment
config.environment['PYTHON_EXECUTABLE'] = getattr(config, 'python_executable', '')
# Check that the object root is known.
if config.test_exec_root is None:
lit_config.fatal('Could not determine execution root for tests!')
"""
Function for quoting filepaths
so that if they contain spaces
lit's shell interpreter will
treat the path as a single argument
"""
def quotePath(path):
if ' ' in path:
return '"{path}"'.format(path=path)
else:
return path
### Add Dafny specific substitutions
# Find Dafny.exe
up = os.path.dirname
repositoryRoot = up(
up( os.path.abspath(__file__) )
)
lit_config.note('Repository root is {}'.format(repositoryRoot))
binaryDir = os.path.join( repositoryRoot, 'Binaries')
dafnyExecutable = os.path.join( binaryDir, 'Dafny.exe')
if not os.path.exists(dafnyExecutable):
lit_config.fatal('Could not find Dafny.exe at {}'.format(dafnyExecutable))
dafnyExecutable = quotePath(dafnyExecutable)
if os.name == 'posix':
dafnyExecutable = 'mono ' + dafnyExecutable
if lit.util.which('mono') == None:
lit_config.fatal('Cannot find mono. Make sure it is your PATH')
# Expected output does not contain logo
dafnyExecutable += ' -nologo -countVerificationErrors:0'
# We do not want absolute or relative paths in error messages, just the basename of the file
dafnyExecutable += ' -useBaseNameForFileName'
# Allow user to provide extra arguments to Dafny
dafnyParams = lit_config.params.get('dafny_params','')
if len(dafnyParams) > 0:
dafnyExecutable = dafnyExecutable + ' ' + dafnyParams
# Inform user what executable is being used
lit_config.note('Using Dafny: {}\n'.format(dafnyExecutable))
config.substitutions.append( ('%dafny', dafnyExecutable) )
# Sanity check: Check solver executable is available
# FIXME: Should this check be removed entirely?
if os.name != 'nt':
solvers = ['z3.exe','cvc4.exe']
solverFound = False
for solver in solvers:
if os.path.exists( os.path.join(binaryDir, solver)):
solverFound = True
if not solverFound:
lit_config.fatal('Could not find solver in "{binaryDir}". Tried looking for {solvers}'.format(
binaryDir=binaryDir,
solvers=solvers
)
)
else:
lit_config.warning('Skipping solver sanity check on Windows')
# Add diff tool substitution
commonDiffFlags=' --unified=3 --strip-trailing-cr'
diffExecutable = None
if os.name == 'posix':
diffExecutable = 'diff' + commonDiffFlags
elif os.name == 'nt':
pydiff = quotePath( os.path.join(config.test_source_root, 'pydiff.py') )
diffExecutable = sys.executable + ' ' + pydiff + commonDiffFlags
else:
lit_config.fatal('Unsupported platform')
lit_config.note("Using diff tool '{}'".format(diffExecutable))
config.substitutions.append( ('%diff', diffExecutable ))
# Detect the OutputCheck tool
outputCheckPath = lit.util.which('OutputCheck')
if outputCheckPath == None:
lit_config.fatal('The OutputCheck tool is not in your PATH. Please install it.')
config.substitutions.append( ('%OutputCheck', outputCheckPath + ' --dump-file-to-check') )
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