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239 lines
7.9 KiB
Python
Executable File
239 lines
7.9 KiB
Python
Executable File
#!/usr/bin/python
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# Authors:
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# Rob Crittenden <rcritten@redhat.com>
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#
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# Copyright (C) 2011 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Test the API against a known-good API to ensure that changes aren't made
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# lightly.
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import sys
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import os
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import re
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from ipalib import *
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from ipalib.text import Gettext
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API_FILE='API.txt'
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API_FILE_DIFFERENCE = 1
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API_NEW_COMMAND = 2
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API_NO_FILE = 4
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def parse_options():
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from optparse import OptionParser
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parser = OptionParser()
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parser.add_option("--validate", dest="validate", action="store_true",
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default=False, help="Validate the API vs the stored API")
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options, args = parser.parse_args()
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return options, args
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def strip_doc(line):
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"""
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Remove the doc= line from the repr() of a Paramter.
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"""
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s = line.find(' doc=')
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if s >= 0:
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e = line.find('), ', s)
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line = '%s%s' % (line[0:s], line[e+2:])
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return line
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def make_api():
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"""
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Write a new API file from the current tree.
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"""
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fd = open(API_FILE, 'w')
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for cmd in api.Command():
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fd.write('command: %s\n' % cmd.name)
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fd.write('args: %d,%d,%d\n' % (len(cmd.args), len(cmd.options), len(cmd.output)))
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for a in cmd.args():
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fd.write('arg: %s\n' % strip_doc(repr(a)))
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for o in cmd.options():
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fd.write('option: %s\n' % strip_doc(repr(o)))
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for o in cmd.output():
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fd.write('output: %s\n' % strip_doc(repr(o)))
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fd.close()
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return 0
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def find_name(line):
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"""
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Break apart a Param line and pull out the name. It would be nice if we
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could just eval() the line but we wouldn't have defined any validators
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or normalizers it may be using.
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"""
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m = re.match('^[a-zA-Z0-9]+\(\'([a-z][_a-z0-9?\*\+]*)\'.*', line)
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if m:
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name = m.group(1)
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else:
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print "Couldn't find name in: %s" % line
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name = ''
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return name
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def validate_api():
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"""
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Compare the API in the file to the one in ipalib.
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Return a bitwise return code to identify the types of errors found, if
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any.
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"""
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fd = open(API_FILE, 'r')
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lines = fd.readlines()
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fd.close()
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rval = 0
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# First run through the file and compare it to the API
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existing_cmds = []
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cmd = None
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for line in lines:
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line = line.strip()
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if line.startswith('command:'):
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if cmd:
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# Check the args of the previous command.
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if found_args != expected_args:
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print 'Argument count in %s of %d doesn\'t match expected: %d' % (
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name, found_args, expected_args)
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rval |= API_FILE_DIFFERENCE
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if found_options != expected_options:
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print 'Options count in %s of %d doesn\'t match expected: %d' % (
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name, found_options, expected_options)
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rval |= API_FILE_DIFFERENCE
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if found_output != expected_output:
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print 'Output count in %s of %d doesn\'t match expected: %d' % (
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name, found_output, expected_output)
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rval |= API_FILE_DIFFERENCE
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(arg, name) = line.split(': ', 1)
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if name not in api.Command:
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print "Command %s in API file, not in ipalib" % name
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rval |= API_FILE_DIFFERENCE
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cmd = None
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else:
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existing_cmds.append(name)
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cmd = api.Command[name]
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found_args = 0
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found_options = 0
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found_output = 0
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if line.startswith('args:') and cmd:
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line = line.replace('args: ', '')
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(expected_args, expected_options, expected_output) = line.split(',')
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expected_args = int(expected_args)
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expected_options = int(expected_options)
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expected_output = int(expected_output)
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if line.startswith('arg:') and cmd:
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line = line.replace('arg: ', '')
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found = False
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for a in cmd.args():
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if strip_doc(repr(a)) == line:
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found = True
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else:
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arg = find_name(line)
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if a.name == arg:
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found = True
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print 'Arg in %s doesn\'t match.\nGot %s\nExpected %s' % (
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name, strip_doc(repr(a)), line)
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rval |= API_FILE_DIFFERENCE
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if found:
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found_args += 1
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else:
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arg = find_name(line)
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print "Argument '%s' in command '%s' in API file not found" % (arg, name)
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rval |= API_FILE_DIFFERENCE
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if line.startswith('option:') and cmd:
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line = line.replace('option: ', '')
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found = False
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for o in cmd.options():
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if strip_doc(repr(o)) == line:
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found = True
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else:
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option = find_name(line)
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if o.name == option:
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found = True
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print 'Option in %s doesn\'t match. Got %s Expected %s' % (name, o, line)
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rval |= API_FILE_DIFFERENCE
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if found:
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found_options += 1
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else:
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option = find_name(line)
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print "Option '%s' in command '%s' in API file not found" % (option, name)
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rval |= API_FILE_DIFFERENCE
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if line.startswith('output:') and cmd:
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line = line.replace('output: ', '')
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found = False
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for o in cmd.output():
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if strip_doc(repr(o)) == line:
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found = True
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else:
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output = find_name(line)
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if o.name == output:
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found = True
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print 'Output in %s doesn\'t match. Got %s Expected %s' % (name, o, line)
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rval |= API_FILE_DIFFERENCE
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if found:
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found_output += 1
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else:
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output = find_name(line)
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print "Option '%s' in command '%s' in API file not found" % (output, name)
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rval |= API_FILE_DIFFERENCE
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# Now look for new commands not in the current API
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for cmd in api.Command():
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if cmd.name not in existing_cmds:
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print "Command %s in ipalib, not in API" % cmd.name
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rval |= API_NEW_COMMAND
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return rval
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def main():
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options, args = parse_options()
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cfg = dict(
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context='cli',
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in_server=False,
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debug=False,
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verbose=0,
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validate_api=True,
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enable_ra=True,
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)
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api.bootstrap(**cfg)
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api.finalize()
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if options.validate:
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if not os.path.exists(API_FILE):
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print 'No %s to validate' % API_FILE
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rval = API_NO_FILE
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else:
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rval = validate_api()
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else:
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print "Writing API to API.txt"
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rval = make_api()
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if rval & API_FILE_DIFFERENCE:
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print ''
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print 'There are one or more changes to the API.\nEither undo the API changes or update API.txt and increment the major version in VERSION.'
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if rval & API_NEW_COMMAND:
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print ''
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print 'There are one or more new commands defined.\nUpdate API.txt and increment the minor version in VERSION.'
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return rval
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sys.exit(main())
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