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#
# Copyright (c) 2009 Testrepository Contributors
#
# Licensed under either the Apache License, Version 2.0 or the BSD 3-clause
# license at the users choice. A copy of both licenses are available in the
# project source as Apache-2.0 and BSD. You may not use this file except in
# compliance with one of these two licences.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under these licenses is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# license you chose for the specific language governing permissions and
# limitations under that license.
"""A command line UI for testrepository."""
from optparse import OptionParser
import os
import sys
import testtools
from testrepository import ui
class CLITestResult(testtools.TestResult):
"""A TestResult for the CLI."""
def __init__(self, stream):
"""Construct a CLITestResult writing to stream."""
super(CLITestResult, self).__init__()
self.stream = stream
self.sep1 = '=' * 70 + '\n'
self.sep2 = '-' * 70 + '\n'
def _format_error(self, label, test, error_text):
return ''.join([
self.sep1,
'%s: %s\n' % (label, test.id()),
self.sep2,
error_text,
])
def addError(self, test, err=None, details=None):
super(CLITestResult, self).addError(test, err=err, details=details)
self.stream.write(self._format_error('ERROR', *(self.errors[-1])))
def addFailure(self, test, err=None, details=None):
super(CLITestResult, self).addFailure(test, err=err, details=details)
self.stream.write(self._format_error('FAIL', *(self.failures[-1])))
class UI(ui.AbstractUI):
"""A command line user interface."""
def __init__(self, argv, stdin, stdout, stderr):
"""Create a command line UI.
:param argv: Arguments from the process invocation.
:param stdin: The stream for stdin.
:param stdout: The stream for stdout.
:param stderr: The stream for stderr.
"""
self._argv = argv
self._stdin = stdin
self._stdout = stdout
self._stderr = stderr
def _iter_streams(self, stream_type):
yield self._stdin
def make_result(self, get_id):
return CLITestResult(self._stdout)
def output_error(self, error_tuple):
self._stderr.write(str(error_tuple[1]) + '\n')
def output_rest(self, rest_string):
self._stdout.write(rest_string)
if not rest_string.endswith('\n'):
self._stdout.write('\n')
def output_stream(self, stream):
contents = stream.read(65536)
while contents:
self._stdout.write(contents)
contents = stream.read(65536)
def output_table(self, table):
# stringify
contents = []
for row in table:
new_row = []
for column in row:
new_row.append(str(column))
contents.append(new_row)
if not contents:
return
widths = [0] * len(contents[0])
for row in contents:
for idx, column in enumerate(row):
if widths[idx] < len(column):
widths[idx] = len(column)
# Show a row
outputs = []
def show_row(row):
for idx, column in enumerate(row):
outputs.append(column)
if idx == len(row) - 1:
outputs.append('\n')
return
# spacers for the next column
outputs.append(' '*(widths[idx]-len(column)))
outputs.append(' ')
show_row(contents[0])
# title spacer
for idx, width in enumerate(widths):
outputs.append('-'*width)
if idx == len(widths) - 1:
outputs.append('\n')
continue
outputs.append(' ')
for row in contents[1:]:
show_row(row)
self._stdout.write(''.join(outputs))
def output_tests(self, tests):
for test in tests:
self._stdout.write(test.id())
self._stdout.write('\n')
def output_values(self, values):
outputs = []
for label, value in values:
outputs.append('%s=%s' % (label, value))
self._stdout.write('%s\n' % ', '.join(outputs))
def _check_cmd(self):
parser = OptionParser()
parser.add_option("-d", "--here", dest="here",
help="Set the directory or url that a command should run from. "
"This affects all default path lookups but does not affect paths "
"supplied to the command.", default=os.getcwd(), type=str)
parser.add_option("-q", "--quiet", action="store_true", default=False,
help="Turn off output other than the primary output for a command "
"and any errors.")
for option in self.cmd.options:
parser.add_option(option)
options, args = parser.parse_args(self._argv)
self.here = options.here
self.options = options
parsed_args = {}
failed = False
for arg in self.cmd.args:
try:
parsed_args[arg.name] = arg.parse(args)
except ValueError:
exc_info = sys.exc_info()
failed = True
self._stderr.write("%s\n" % str(exc_info[1]))
break
if not failed:
self.arguments = parsed_args
if args != []:
self._stderr.write("Unexpected arguments: %r\n" % args)
return not failed and args == []
def subprocess_Popen(self, *args, **kwargs):
import subprocess
return subprocess.Popen(*args, **kwargs)
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