Merge pull request #736 from chrisglass/more-tests-2
Add tests to the SimpleConfig object (resubmit)
This commit is contained in:
commit
7338ac3c54
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@ -2,4 +2,4 @@ language: python
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python:
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python:
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- "2.7"
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- "2.7"
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install: "pip install slowaes==0.1a1 ecdsa>=0.9 pbkdf2 requests pyasn1 pyasn1-modules tlslite>=0.4.5 qrcode"
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install: "pip install slowaes==0.1a1 ecdsa>=0.9 pbkdf2 requests pyasn1 pyasn1-modules tlslite>=0.4.5 qrcode"
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script: nosetests lib
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script: nosetests -e gui
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7
electrum
7
electrum
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@ -103,16 +103,15 @@ def print_help_cb(self, opt, value, parser):
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print_help(parser)
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print_help(parser)
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def run_command(cmd, password=None, args=[]):
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def run_command(cmd, password=None, args=None):
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import socket
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if args is None:
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args = [] # Do not use mutables as default values!
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if cmd.requires_network and not options.offline:
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if cmd.requires_network and not options.offline:
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network = NetworkProxy(config)
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network = NetworkProxy(config)
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if not network.start(start_daemon= (True if cmd.name!='daemon' else False)):
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if not network.start(start_daemon= (True if cmd.name!='daemon' else False)):
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print "Daemon not running"
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print "Daemon not running"
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sys.exit(1)
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sys.exit(1)
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if wallet:
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if wallet:
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wallet.start_threads(network)
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wallet.start_threads(network)
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wallet.update()
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wallet.update()
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@ -241,7 +241,9 @@ class Blockchain(threading.Thread):
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return h
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return h
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def get_target(self, index, chain=[]):
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def get_target(self, index, chain=None):
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if chain is None:
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chain = [] # Do not use mutables as default values!
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max_target = 0x00000000FFFF0000000000000000000000000000000000000000000000000000
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max_target = 0x00000000FFFF0000000000000000000000000000000000000000000000000000
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if index == 0: return 0x1d00ffff, max_target
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if index == 0: return 0x1d00ffff, max_target
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@ -34,7 +34,9 @@ class NetworkProxy(threading.Thread):
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# connects to daemon
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# connects to daemon
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# sends requests, runs callbacks
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# sends requests, runs callbacks
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def __init__(self, config = {}):
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def __init__(self, config=None):
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if config is None:
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config = {} # Do not use mutables as default arguments!
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threading.Thread.__init__(self)
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threading.Thread.__init__(self)
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self.daemon = True
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self.daemon = True
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self.config = SimpleConfig(config) if type(config) == type({}) else config
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self.config = SimpleConfig(config) if type(config) == type({}) else config
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@ -72,7 +72,9 @@ from simple_config import SimpleConfig
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class Network(threading.Thread):
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class Network(threading.Thread):
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def __init__(self, config = {}):
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def __init__(self, config=None):
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if config is None:
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config = {} # Do not use mutables as default values!
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threading.Thread.__init__(self)
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threading.Thread.__init__(self)
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self.daemon = True
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self.daemon = True
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self.config = SimpleConfig(config) if type(config) == type({}) else config
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self.config = SimpleConfig(config) if type(config) == type({}) else config
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@ -1,62 +1,94 @@
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import json
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import ast
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import ast
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import threading
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import threading
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import os
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import os
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from util import user_dir, print_error, print_msg
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from util import user_dir, print_error, print_msg
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SYSTEM_CONFIG_PATH = "/etc/electrum.conf"
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config = None
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config = None
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def get_config():
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def get_config():
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global config
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global config
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return config
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return config
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def set_config(c):
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def set_config(c):
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global config
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global config
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config = c
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config = c
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class SimpleConfig:
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class SimpleConfig(object):
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"""
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"""
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The SimpleConfig class is responsible for handling operations involving
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The SimpleConfig class is responsible for handling operations involving
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configuration files. The constructor reads and stores the system and
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configuration files.
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user configurations from electrum.conf into separate dictionaries within
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a SimpleConfig instance then reads the wallet file.
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There are 3 different sources of possible configuration values:
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"""
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1. Command line options.
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def __init__(self, options={}):
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2. User configuration (in the user's config directory)
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self.lock = threading.Lock()
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3. System configuration (in /etc/)
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They are taken in order (1. overrides config options set in 2., that
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override config set in 3.)
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"""
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def __init__(self, options=None, read_system_config_function=None,
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read_user_config_function=None, read_user_dir_function=None):
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# This is the holder of actual options for the current user.
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self.current_options = {}
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# This lock needs to be acquired for updating and reading the config in
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# a thread-safe way.
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self.lock = threading.RLock()
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# The path for the config directory. This is set later by init_path()
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self.path = None
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if options is None:
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options = {} # Having a mutable as a default value is a bad idea.
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# The following two functions are there for dependency injection when
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# testing.
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if read_system_config_function is None:
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read_system_config_function = read_system_config
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if read_user_config_function is None:
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read_user_config_function = read_user_config
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if read_user_dir_function is None:
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self.user_dir = user_dir
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else:
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self.user_dir = read_user_dir_function
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# Save the command-line keys to make sure we don't override them.
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self.command_line_keys = options.keys()
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# Save the system config keys to make sure we don't override them.
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self.system_config_keys = []
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# system conf, readonly
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self.system_config = {}
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if options.get('portable') is not True:
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if options.get('portable') is not True:
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self.read_system_config()
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# system conf
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system_config = read_system_config_function()
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self.system_config_keys = system_config.keys()
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self.current_options.update(system_config)
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# command-line options
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# update the current options with the command line options last (to
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self.options_config = options
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# override both others).
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self.current_options.update(options)
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# init path
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# init path
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self.init_path()
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self.init_path()
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# user conf, writeable
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# user config.
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self.user_config = {}
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self.user_config = read_user_config_function(self.path)
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self.read_user_config()
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# The user config is overwritten by the current config!
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self.user_config.update(self.current_options)
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set_config(self)
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self.current_options = self.user_config
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set_config(self) # Make a singleton instance of 'self'
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def init_path(self):
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def init_path(self):
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# Read electrum path in the command line configuration
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# Read electrum path in the command line configuration
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self.path = self.options_config.get('electrum_path')
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self.path = self.current_options.get('electrum_path')
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# Read electrum path in the system configuration
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if self.path is None:
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self.path = self.system_config.get('electrum_path')
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# If not set, use the user's default data directory.
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# If not set, use the user's default data directory.
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if self.path is None:
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if self.path is None:
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self.path = user_dir()
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self.path = self.user_dir()
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# Make directory if it does not yet exist.
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# Make directory if it does not yet exist.
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if not os.path.exists(self.path):
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if not os.path.exists(self.path):
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@ -64,111 +96,33 @@ a SimpleConfig instance then reads the wallet file.
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print_error( "electrum directory", self.path)
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print_error( "electrum directory", self.path)
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# portable wallet: use the same directory for wallet and headers file
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#if options.get('portable'):
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# self.wallet_config['blockchain_headers_path'] = os.path.dirname(self.path)
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def set_key(self, key, value, save = True):
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def set_key(self, key, value, save = True):
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# find where a setting comes from and save it there
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if not self.is_modifiable(key):
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if self.options_config.get(key) is not None:
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print "Warning: not changing key '%s' because it is not modifiable" \
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print "Warning: not changing '%s' because it was passed as a command-line option"%key
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" (passed as command line option or defined in /etc/electrum.conf)"%key
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return
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return
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elif self.system_config.get(key) is not None:
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if str(self.system_config[key]) != str(value):
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print "Warning: not changing '%s' because it was set in the system configuration"%key
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else:
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with self.lock:
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with self.lock:
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self.user_config[key] = value
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self.user_config[key] = value
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self.current_options[key] = value
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if save:
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if save:
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self.save_user_config()
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self.save_user_config()
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return
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def get(self, key, default=None):
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def get(self, key, default=None):
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out = None
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out = None
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with self.lock:
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# 1. command-line options always override everything
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out = self.current_options.get(key, default)
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if self.options_config.has_key(key) and self.options_config.get(key) is not None:
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out = self.options_config.get(key)
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# 2. user configuration
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elif self.user_config.has_key(key):
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out = self.user_config.get(key)
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# 2. system configuration
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elif self.system_config.has_key(key):
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out = self.system_config.get(key)
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if out is None and default is not None:
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out = default
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# try to fix the type
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if default is not None and type(out) != type(default):
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import ast
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try:
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out = ast.literal_eval(out)
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except Exception:
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print "type error for '%s': using default value"%key
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out = default
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return out
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return out
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def is_modifiable(self, key):
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def is_modifiable(self, key):
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"""Check if the config file is modifiable."""
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if key in self.command_line_keys:
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if self.options_config.has_key(key):
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return False
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return False
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elif self.user_config.has_key(key):
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if key in self.system_config_keys:
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return True
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elif self.system_config.has_key(key):
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return False
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return False
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else:
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return True
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return True
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def read_system_config(self):
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"""Parse and store the system config settings in electrum.conf into system_config[]."""
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name = '/etc/electrum.conf'
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if os.path.exists(name):
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try:
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import ConfigParser
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except ImportError:
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print "cannot parse electrum.conf. please install ConfigParser"
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return
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p = ConfigParser.ConfigParser()
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p.read(name)
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try:
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for k, v in p.items('client'):
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self.system_config[k] = v
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except ConfigParser.NoSectionError:
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pass
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def read_user_config(self):
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"""Parse and store the user config settings in electrum.conf into user_config[]."""
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if not self.path: return
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path = os.path.join(self.path, "config")
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if os.path.exists(path):
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try:
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with open(path, "r") as f:
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data = f.read()
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except IOError:
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return
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try:
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d = ast.literal_eval( data ) #parse raw data from reading wallet file
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except Exception:
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print_msg("Error: Cannot read config file.")
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return
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self.user_config = d
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def save_user_config(self):
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def save_user_config(self):
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if not self.path: return
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if not self.path: return
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||||||
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@ -180,3 +134,45 @@ a SimpleConfig instance then reads the wallet file.
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if self.get('gui') != 'android':
|
if self.get('gui') != 'android':
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import stat
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import stat
|
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os.chmod(path, stat.S_IREAD | stat.S_IWRITE)
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os.chmod(path, stat.S_IREAD | stat.S_IWRITE)
|
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def read_system_config(path=SYSTEM_CONFIG_PATH):
|
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"""Parse and return the system config settings in /etc/electrum.conf."""
|
||||||
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result = {}
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|
if os.path.exists(path):
|
||||||
|
try:
|
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import ConfigParser
|
||||||
|
except ImportError:
|
||||||
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print "cannot parse electrum.conf. please install ConfigParser"
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|
return
|
||||||
|
|
||||||
|
p = ConfigParser.ConfigParser()
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|
try:
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|
p.read(path)
|
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for k, v in p.items('client'):
|
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|
result[k] = v
|
||||||
|
except (ConfigParser.NoSectionError, ConfigParser.MissingSectionHeaderError):
|
||||||
|
pass
|
||||||
|
|
||||||
|
return result
|
||||||
|
|
||||||
|
def read_user_config(path):
|
||||||
|
"""Parse and store the user config settings in electrum.conf into user_config[]."""
|
||||||
|
if not path: return {} # Return a dict, since we will call update() on it.
|
||||||
|
|
||||||
|
config_path = os.path.join(path, "config")
|
||||||
|
result = {}
|
||||||
|
if os.path.exists(config_path):
|
||||||
|
try:
|
||||||
|
|
||||||
|
with open(config_path, "r") as f:
|
||||||
|
data = f.read()
|
||||||
|
result = ast.literal_eval( data ) #parse raw data from reading wallet file
|
||||||
|
|
||||||
|
except Exception:
|
||||||
|
print_msg("Error: Cannot read config file.")
|
||||||
|
result = {}
|
||||||
|
|
||||||
|
if not type(result) is dict:
|
||||||
|
return {}
|
||||||
|
|
||||||
|
return result
|
||||||
|
|
|
@ -0,0 +1,222 @@
|
||||||
|
import sys
|
||||||
|
import os
|
||||||
|
import unittest
|
||||||
|
import tempfile
|
||||||
|
import shutil
|
||||||
|
|
||||||
|
from StringIO import StringIO
|
||||||
|
from lib.simple_config import (SimpleConfig, read_system_config,
|
||||||
|
read_user_config)
|
||||||
|
|
||||||
|
|
||||||
|
class Test_SimpleConfig(unittest.TestCase):
|
||||||
|
|
||||||
|
def setUp(self):
|
||||||
|
super(Test_SimpleConfig, self).setUp()
|
||||||
|
# make sure "read_user_config" and "user_dir" return a temporary directory.
|
||||||
|
self.electrum_dir = tempfile.mkdtemp()
|
||||||
|
# Do the same for the user dir to avoid overwriting the real configuration
|
||||||
|
# for development machines with electrum installed :)
|
||||||
|
self.user_dir = tempfile.mkdtemp()
|
||||||
|
|
||||||
|
self.options = {"electrum_path": self.electrum_dir}
|
||||||
|
self._saved_stdout = sys.stdout
|
||||||
|
self._stdout_buffer = StringIO()
|
||||||
|
sys.stdout = self._stdout_buffer
|
||||||
|
|
||||||
|
def tearDown(self):
|
||||||
|
super(Test_SimpleConfig, self).tearDown()
|
||||||
|
# Remove the temporary directory after each test (to make sure we don't
|
||||||
|
# pollute /tmp for nothing.
|
||||||
|
shutil.rmtree(self.electrum_dir)
|
||||||
|
shutil.rmtree(self.user_dir)
|
||||||
|
|
||||||
|
# Restore the "real" stdout
|
||||||
|
sys.stdout = self._saved_stdout
|
||||||
|
|
||||||
|
def test_simple_config_command_line_overrides_everything(self):
|
||||||
|
"""Options passed by command line override all other configuration
|
||||||
|
sources"""
|
||||||
|
fake_read_system = lambda : {"electrum_path": "a"}
|
||||||
|
fake_read_user = lambda _: {"electrum_path": "b"}
|
||||||
|
read_user_dir = lambda : self.user_dir
|
||||||
|
config = SimpleConfig(options=self.options,
|
||||||
|
read_system_config_function=fake_read_system,
|
||||||
|
read_user_config_function=fake_read_user,
|
||||||
|
read_user_dir_function=read_user_dir)
|
||||||
|
self.assertEqual(self.options.get("electrum_path"),
|
||||||
|
config.get("electrum_path"))
|
||||||
|
|
||||||
|
def test_simple_config_system_config_overrides_user_config(self):
|
||||||
|
"""Options passed in system config override user config."""
|
||||||
|
fake_read_system = lambda : {"electrum_path": self.electrum_dir}
|
||||||
|
fake_read_user = lambda _: {"electrum_path": "b"}
|
||||||
|
read_user_dir = lambda : self.user_dir
|
||||||
|
config = SimpleConfig(options=None,
|
||||||
|
read_system_config_function=fake_read_system,
|
||||||
|
read_user_config_function=fake_read_user,
|
||||||
|
read_user_dir_function=read_user_dir)
|
||||||
|
self.assertEqual(self.options.get("electrum_path"),
|
||||||
|
config.get("electrum_path"))
|
||||||
|
|
||||||
|
def test_simple_config_system_config_ignored_if_portable(self):
|
||||||
|
"""If electrum is started with the "portable" flag, system
|
||||||
|
configuration is completely ignored."""
|
||||||
|
another_path = tempfile.mkdtemp()
|
||||||
|
fake_read_system = lambda : {"electrum_path": self.electrum_dir}
|
||||||
|
fake_read_user = lambda _: {"electrum_path": another_path}
|
||||||
|
read_user_dir = lambda : self.user_dir
|
||||||
|
config = SimpleConfig(options={"portable": True},
|
||||||
|
read_system_config_function=fake_read_system,
|
||||||
|
read_user_config_function=fake_read_user,
|
||||||
|
read_user_dir_function=read_user_dir)
|
||||||
|
self.assertEqual(another_path, config.get("electrum_path"))
|
||||||
|
|
||||||
|
def test_simple_config_user_config_is_used_if_others_arent_specified(self):
|
||||||
|
"""If no system-wide configuration and no command-line options are
|
||||||
|
specified, the user configuration is used instead."""
|
||||||
|
fake_read_system = lambda : {}
|
||||||
|
fake_read_user = lambda _: {"electrum_path": self.electrum_dir}
|
||||||
|
read_user_dir = lambda : self.user_dir
|
||||||
|
config = SimpleConfig(options=None,
|
||||||
|
read_system_config_function=fake_read_system,
|
||||||
|
read_user_config_function=fake_read_user,
|
||||||
|
read_user_dir_function=read_user_dir)
|
||||||
|
self.assertEqual(self.options.get("electrum_path"),
|
||||||
|
config.get("electrum_path"))
|
||||||
|
|
||||||
|
def test_cannot_set_options_passed_by_command_line(self):
|
||||||
|
fake_read_system = lambda : {}
|
||||||
|
fake_read_user = lambda _: {"electrum_path": "b"}
|
||||||
|
read_user_dir = lambda : self.user_dir
|
||||||
|
config = SimpleConfig(options=self.options,
|
||||||
|
read_system_config_function=fake_read_system,
|
||||||
|
read_user_config_function=fake_read_user,
|
||||||
|
read_user_dir_function=read_user_dir)
|
||||||
|
config.set_key("electrum_path", "c")
|
||||||
|
self.assertEqual(self.options.get("electrum_path"),
|
||||||
|
config.get("electrum_path"))
|
||||||
|
|
||||||
|
def test_cannot_set_options_from_system_config(self):
|
||||||
|
fake_read_system = lambda : {"electrum_path": self.electrum_dir}
|
||||||
|
fake_read_user = lambda _: {}
|
||||||
|
read_user_dir = lambda : self.user_dir
|
||||||
|
config = SimpleConfig(options={},
|
||||||
|
read_system_config_function=fake_read_system,
|
||||||
|
read_user_config_function=fake_read_user,
|
||||||
|
read_user_dir_function=read_user_dir)
|
||||||
|
config.set_key("electrum_path", "c")
|
||||||
|
self.assertEqual(self.options.get("electrum_path"),
|
||||||
|
config.get("electrum_path"))
|
||||||
|
|
||||||
|
def test_can_set_options_set_in_user_config(self):
|
||||||
|
another_path = tempfile.mkdtemp()
|
||||||
|
fake_read_system = lambda : {}
|
||||||
|
fake_read_user = lambda _: {"electrum_path": self.electrum_dir}
|
||||||
|
read_user_dir = lambda : self.user_dir
|
||||||
|
config = SimpleConfig(options={},
|
||||||
|
read_system_config_function=fake_read_system,
|
||||||
|
read_user_config_function=fake_read_user,
|
||||||
|
read_user_dir_function=read_user_dir)
|
||||||
|
config.set_key("electrum_path", another_path)
|
||||||
|
self.assertEqual(another_path, config.get("electrum_path"))
|
||||||
|
|
||||||
|
def test_can_set_options_from_system_config_if_portable(self):
|
||||||
|
"""If the "portable" flag is set, the user can overwrite system
|
||||||
|
configuration options."""
|
||||||
|
another_path = tempfile.mkdtemp()
|
||||||
|
fake_read_system = lambda : {"electrum_path": self.electrum_dir}
|
||||||
|
fake_read_user = lambda _: {}
|
||||||
|
read_user_dir = lambda : self.user_dir
|
||||||
|
config = SimpleConfig(options={"portable": True},
|
||||||
|
read_system_config_function=fake_read_system,
|
||||||
|
read_user_config_function=fake_read_user,
|
||||||
|
read_user_dir_function=read_user_dir)
|
||||||
|
config.set_key("electrum_path", another_path)
|
||||||
|
self.assertEqual(another_path, config.get("electrum_path"))
|
||||||
|
|
||||||
|
|
||||||
|
class TestSystemConfig(unittest.TestCase):
|
||||||
|
|
||||||
|
sample_conf = """
|
||||||
|
[client]
|
||||||
|
gap_limit = 5
|
||||||
|
|
||||||
|
[something_else]
|
||||||
|
everything = 42
|
||||||
|
"""
|
||||||
|
|
||||||
|
def setUp(self):
|
||||||
|
super(TestSystemConfig, self).setUp()
|
||||||
|
self.thefile = tempfile.mkstemp(suffix=".electrum.test.conf")[1]
|
||||||
|
|
||||||
|
def tearDown(self):
|
||||||
|
super(TestSystemConfig, self).tearDown()
|
||||||
|
os.remove(self.thefile)
|
||||||
|
|
||||||
|
def test_read_system_config_file_does_not_exist(self):
|
||||||
|
somefile = "/foo/I/do/not/exist/electrum.conf"
|
||||||
|
result = read_system_config(somefile)
|
||||||
|
self.assertEqual({}, result)
|
||||||
|
|
||||||
|
def test_read_system_config_file_returns_file_options(self):
|
||||||
|
with open(self.thefile, "w") as f:
|
||||||
|
f.write(self.sample_conf)
|
||||||
|
|
||||||
|
result = read_system_config(self.thefile)
|
||||||
|
self.assertEqual({"gap_limit": "5"}, result)
|
||||||
|
|
||||||
|
def test_read_system_config_file_no_sections(self):
|
||||||
|
|
||||||
|
with open(self.thefile, "w") as f:
|
||||||
|
f.write("gap_limit = 5") # The file has no sections at all
|
||||||
|
|
||||||
|
result = read_system_config(self.thefile)
|
||||||
|
self.assertEqual({}, result)
|
||||||
|
|
||||||
|
|
||||||
|
class TestUserConfig(unittest.TestCase):
|
||||||
|
|
||||||
|
def setUp(self):
|
||||||
|
super(TestUserConfig, self).setUp()
|
||||||
|
self._saved_stdout = sys.stdout
|
||||||
|
self._stdout_buffer = StringIO()
|
||||||
|
sys.stdout = self._stdout_buffer
|
||||||
|
|
||||||
|
self.user_dir = tempfile.mkdtemp()
|
||||||
|
|
||||||
|
def tearDown(self):
|
||||||
|
super(TestUserConfig, self).tearDown()
|
||||||
|
shutil.rmtree(self.user_dir)
|
||||||
|
sys.stdout = self._saved_stdout
|
||||||
|
|
||||||
|
def test_no_path_means_no_result(self):
|
||||||
|
result = read_user_config(None)
|
||||||
|
self.assertEqual({}, result)
|
||||||
|
|
||||||
|
def test_path_with_reprd_dict(self):
|
||||||
|
thefile = os.path.join(self.user_dir, "config")
|
||||||
|
payload = {"gap_limit": 5}
|
||||||
|
with open(thefile, "w") as f:
|
||||||
|
f.write(repr(payload))
|
||||||
|
|
||||||
|
result = read_user_config(self.user_dir)
|
||||||
|
self.assertEqual(payload, result)
|
||||||
|
|
||||||
|
def test_path_without_config_file(self):
|
||||||
|
"""We pass a path but if does not contain a "config" file."""
|
||||||
|
result = read_user_config(self.user_dir)
|
||||||
|
self.assertEqual({}, result)
|
||||||
|
|
||||||
|
def test_path_with_reprd_object(self):
|
||||||
|
|
||||||
|
class something(object):
|
||||||
|
pass
|
||||||
|
|
||||||
|
thefile = os.path.join(self.user_dir, "config")
|
||||||
|
payload = something()
|
||||||
|
with open(thefile, "w") as f:
|
||||||
|
f.write(repr(payload))
|
||||||
|
|
||||||
|
result = read_user_config(self.user_dir)
|
||||||
|
self.assertEqual({}, result)
|
Loading…
Reference in New Issue