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import ast
import sys
import os
import tempfile
import shutil
from io import StringIO
from electrum.simple_config import SimpleConfig, read_user_config
from electrum import constants
from . import ElectrumTestCase
MAX_MSG_SIZE_DEFAULT = SimpleConfig.NETWORK_MAX_INCOMING_MSG_SIZE.get_default_value()
assert isinstance(MAX_MSG_SIZE_DEFAULT, int), MAX_MSG_SIZE_DEFAULT
class Test_SimpleConfig(ElectrumTestCase):
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_key_rename(self):
"""auto_cycle was renamed auto_connect"""
fake_read_user = lambda _: {"auto_cycle": True}
read_user_dir = lambda : self.user_dir
config = SimpleConfig(options=self.options,
read_user_config_function=fake_read_user,
read_user_dir_function=read_user_dir)
self.assertEqual(config.get("auto_connect"), True)
self.assertEqual(config.get("auto_cycle"), None)
fake_read_user = lambda _: {"auto_connect": False, "auto_cycle": True}
config = SimpleConfig(options=self.options,
read_user_config_function=fake_read_user,
read_user_dir_function=read_user_dir)
self.assertEqual(config.get("auto_connect"), False)
self.assertEqual(config.get("auto_cycle"), None)
def test_simple_config_command_line_overrides_everything(self):
"""Options passed by command line override all other configuration
sources"""
fake_read_user = lambda _: {"electrum_path": "b"}
read_user_dir = lambda : self.user_dir
config = SimpleConfig(options=self.options,
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_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_user = lambda _: {"electrum_path": self.electrum_dir}
read_user_dir = lambda : self.user_dir
config = SimpleConfig(options={},
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_user = lambda _: {"electrum_path": "b"}
read_user_dir = lambda : self.user_dir
config = SimpleConfig(options=self.options,
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_user = lambda _: {"electrum_path": self.electrum_dir}
read_user_dir = lambda : self.user_dir
config = SimpleConfig(options={},
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_user_config_is_not_written_with_read_only_config(self):
"""The user config does not contain command-line options when saved."""
fake_read_user = lambda _: {"something": "a"}
read_user_dir = lambda : self.user_dir
self.options.update({"something": "c"})
config = SimpleConfig(options=self.options,
read_user_config_function=fake_read_user,
read_user_dir_function=read_user_dir)
config.save_user_config()
contents = None
with open(os.path.join(self.electrum_dir, "config"), "r") as f:
contents = f.read()
result = ast.literal_eval(contents)
result.pop('config_version', None)
self.assertEqual({"something": "a"}, result)
def test_configvars_set_and_get(self):
config = SimpleConfig(self.options)
self.assertEqual("server", config.cv.NETWORK_SERVER.key())
def _set_via_assignment():
config.NETWORK_SERVER = "example.com:443:s"
for f in (
lambda: config.set_key("server", "example.com:443:s"),
_set_via_assignment,
lambda: config.cv.NETWORK_SERVER.set("example.com:443:s"),
):
self.assertTrue(config.get("server") is None)
self.assertTrue(config.NETWORK_SERVER is None)
self.assertTrue(config.cv.NETWORK_SERVER.get() is None)
f()
self.assertEqual("example.com:443:s", config.get("server"))
self.assertEqual("example.com:443:s", config.NETWORK_SERVER)
self.assertEqual("example.com:443:s", config.cv.NETWORK_SERVER.get())
# revert:
config.NETWORK_SERVER = None
def test_configvars_get_default_value(self):
config = SimpleConfig(self.options)
self.assertEqual(MAX_MSG_SIZE_DEFAULT, config.cv.NETWORK_MAX_INCOMING_MSG_SIZE.get_default_value())
self.assertEqual(MAX_MSG_SIZE_DEFAULT, config.NETWORK_MAX_INCOMING_MSG_SIZE)
config.NETWORK_MAX_INCOMING_MSG_SIZE = 5_555_555
self.assertEqual(5_555_555, config.NETWORK_MAX_INCOMING_MSG_SIZE)
self.assertEqual(MAX_MSG_SIZE_DEFAULT, config.cv.NETWORK_MAX_INCOMING_MSG_SIZE.get_default_value())
config.NETWORK_MAX_INCOMING_MSG_SIZE = None
self.assertEqual(MAX_MSG_SIZE_DEFAULT, config.NETWORK_MAX_INCOMING_MSG_SIZE)
def test_configvars_get_default_value_complex_fn(self):
config = SimpleConfig(self.options)
self.assertEqual("https://swaps.electrum.org/api", config.SWAPSERVER_URL)
config.SWAPSERVER_URL = "http://localhost:9999"
self.assertEqual("http://localhost:9999", config.SWAPSERVER_URL)
config.SWAPSERVER_URL = None
self.assertEqual("https://swaps.electrum.org/api", config.SWAPSERVER_URL)
constants.set_testnet()
try:
self.assertEqual("https://swaps.electrum.org/testnet", config.SWAPSERVER_URL)
finally:
constants.set_mainnet()
def test_configvars_convert_getter(self):
config = SimpleConfig(self.options)
self.assertEqual(None, config.NETWORK_PROXY)
config.user_config[config.cv.NETWORK_PROXY.key()] = None
self.assertEqual("none", config.NETWORK_PROXY)
config.NETWORK_PROXY = None
self.assertEqual(None, config.NETWORK_PROXY)
def test_configvars_is_set(self):
config = SimpleConfig(self.options)
self.assertEqual(MAX_MSG_SIZE_DEFAULT, config.NETWORK_MAX_INCOMING_MSG_SIZE)
self.assertFalse(config.cv.NETWORK_MAX_INCOMING_MSG_SIZE.is_set())
config.NETWORK_MAX_INCOMING_MSG_SIZE = 5_555_555
self.assertTrue(config.cv.NETWORK_MAX_INCOMING_MSG_SIZE.is_set())
config.NETWORK_MAX_INCOMING_MSG_SIZE = None
self.assertFalse(config.cv.NETWORK_MAX_INCOMING_MSG_SIZE.is_set())
self.assertEqual(MAX_MSG_SIZE_DEFAULT, config.NETWORK_MAX_INCOMING_MSG_SIZE)
config.NETWORK_MAX_INCOMING_MSG_SIZE = MAX_MSG_SIZE_DEFAULT
self.assertTrue(config.cv.NETWORK_MAX_INCOMING_MSG_SIZE.is_set())
self.assertEqual(MAX_MSG_SIZE_DEFAULT, config.NETWORK_MAX_INCOMING_MSG_SIZE)
def test_configvars_is_modifiable(self):
config = SimpleConfig({**self.options, "server": "example.com:443:s"})
self.assertFalse(config.is_modifiable("server"))
self.assertFalse(config.cv.NETWORK_SERVER.is_modifiable())
config.NETWORK_SERVER = "other-example.com:80:t"
self.assertEqual("example.com:443:s", config.NETWORK_SERVER)
self.assertEqual(MAX_MSG_SIZE_DEFAULT, config.NETWORK_MAX_INCOMING_MSG_SIZE)
self.assertTrue(config.cv.NETWORK_MAX_INCOMING_MSG_SIZE.is_modifiable())
config.NETWORK_MAX_INCOMING_MSG_SIZE = 5_555_555
self.assertEqual(5_555_555, config.NETWORK_MAX_INCOMING_MSG_SIZE)
config.make_key_not_modifiable(config.cv.NETWORK_MAX_INCOMING_MSG_SIZE)
self.assertFalse(config.cv.NETWORK_MAX_INCOMING_MSG_SIZE.is_modifiable())
config.NETWORK_MAX_INCOMING_MSG_SIZE = 2_222_222
self.assertEqual(5_555_555, config.NETWORK_MAX_INCOMING_MSG_SIZE)
def test_configvars_from_key(self):
config = SimpleConfig(self.options)
self.assertEqual(config.cv.NETWORK_SERVER, config.cv.from_key("server"))
with self.assertRaises(KeyError):
config.cv.from_key("server333")
def test_depth_target_to_fee(self):
config = SimpleConfig(self.options)
config.mempool_fees = [[49, 100110], [10, 121301], [6, 153731], [5, 125872], [1, 36488810]]
self.assertEqual( 2 * 1000, config.depth_target_to_fee(1000000))
self.assertEqual( 6 * 1000, config.depth_target_to_fee( 500000))
self.assertEqual( 7 * 1000, config.depth_target_to_fee( 250000))
self.assertEqual(11 * 1000, config.depth_target_to_fee( 200000))
self.assertEqual(50 * 1000, config.depth_target_to_fee( 100000))
config.mempool_fees = []
self.assertEqual( 1 * 1000, config.depth_target_to_fee(10 ** 5))
self.assertEqual( 1 * 1000, config.depth_target_to_fee(10 ** 6))
self.assertEqual( 1 * 1000, config.depth_target_to_fee(10 ** 7))
config.mempool_fees = [[1, 36488810]]
self.assertEqual( 2 * 1000, config.depth_target_to_fee(10 ** 5))
self.assertEqual( 2 * 1000, config.depth_target_to_fee(10 ** 6))
self.assertEqual( 2 * 1000, config.depth_target_to_fee(10 ** 7))
self.assertEqual( 1 * 1000, config.depth_target_to_fee(10 ** 8))
config.mempool_fees = [[5, 125872], [1, 36488810]]
self.assertEqual( 6 * 1000, config.depth_target_to_fee(10 ** 5))
self.assertEqual( 2 * 1000, config.depth_target_to_fee(10 ** 6))
self.assertEqual( 2 * 1000, config.depth_target_to_fee(10 ** 7))
self.assertEqual( 1 * 1000, config.depth_target_to_fee(10 ** 8))
config.mempool_fees = []
self.assertEqual(1 * 1000, config.depth_target_to_fee(10 ** 5))
config.mempool_fees = None
self.assertEqual(None, config.depth_target_to_fee(10 ** 5))
def test_fee_to_depth(self):
config = SimpleConfig(self.options)
config.mempool_fees = [[49, 100000], [10, 120000], [6, 150000], [5, 125000], [1, 36000000]]
self.assertEqual(100000, config.fee_to_depth(500))
self.assertEqual(100000, config.fee_to_depth(50))
self.assertEqual(100000, config.fee_to_depth(49))
self.assertEqual(220000, config.fee_to_depth(48))
self.assertEqual(220000, config.fee_to_depth(10))
self.assertEqual(370000, config.fee_to_depth(9))
self.assertEqual(370000, config.fee_to_depth(6.5))
self.assertEqual(370000, config.fee_to_depth(6))
self.assertEqual(495000, config.fee_to_depth(5.5))
self.assertEqual(36495000, config.fee_to_depth(0.5))
class TestUserConfig(ElectrumTestCase):
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_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)