import collections

import inspect

import socket

import sys

import tempfile

import unittest

from itertools import islice

from pathlib import Path

from unittest import mock

from bpython import config, repl, cli, autocomplete

from bpython.test import MagicIterMock, FixLanguageTestCase as TestCase

from bpython.test import TEST_CONFIG

pypy = "PyPy" in sys.version

def setup_config(conf):

config_struct = config.Config(TEST_CONFIG)

if conf is not None and "autocomplete_mode" in conf:

config_struct.autocomplete_mode = conf["autocomplete_mode"]

return config_struct

class FakeHistory(repl.History):

def __init__(self):

pass

def reset(self):

pass

class FakeRepl(repl.Repl):

def __init__(self, conf=None):

repl.Repl.__init__(self, repl.Interpreter(), setup_config(conf))

self.current_line = ""

self.cursor_offset = 0

class FakeCliRepl(cli.CLIRepl, FakeRepl):

def __init__(self):

self.s = ""

self.cpos = 0

self.rl_history = FakeHistory()

class TestMatchesIterator(unittest.TestCase):

def setUp(self):

self.matches = ["bobby", "bobbies", "bobberina"]

self.matches_iterator = repl.MatchesIterator()

self.matches_iterator.current_word = "bob"

self.matches_iterator.orig_line = "bob"

self.matches_iterator.orig_cursor_offset = len("bob")

self.matches_iterator.matches = self.matches

def test_next(self):

self.assertEqual(next(self.matches_iterator), self.matches[0])

for x in range(len(self.matches) - 1):

next(self.matches_iterator)

self.assertEqual(next(self.matches_iterator), self.matches[0])

self.assertEqual(next(self.matches_iterator), self.matches[1])

self.assertNotEqual(next(self.matches_iterator), self.matches[1])

def test_previous(self):

self.assertEqual(self.matches_iterator.previous(), self.matches[2])

for x in range(len(self.matches) - 1):

self.matches_iterator.previous()

self.assertNotEqual(self.matches_iterator.previous(), self.matches[0])

self.assertEqual(self.matches_iterator.previous(), self.matches[1])

self.assertEqual(self.matches_iterator.previous(), self.matches[0])

def test_nonzero(self):

"""self.matches_iterator should be False at start,

then True once we active a match.

"""

self.assertFalse(self.matches_iterator)

next(self.matches_iterator)

self.assertTrue(self.matches_iterator)

def test_iter(self):

slice = islice(self.matches_iterator, 0, 9)

self.assertEqual(list(slice), self.matches * 3)

def test_current(self):

with self.assertRaises(ValueError):

self.matches_iterator.current()

next(self.matches_iterator)

self.assertEqual(self.matches_iterator.current(), self.matches[0])

def test_update(self):

slice = islice(self.matches_iterator, 0, 3)

self.assertEqual(list(slice), self.matches)

newmatches = ["string", "str", "set"]

completer = mock.Mock()

completer.locate.return_value = (0, 1, "s")

self.matches_iterator.update(1, "s", newmatches, completer)

newslice = islice(newmatches, 0, 3)

self.assertNotEqual(list(slice), self.matches)

self.assertEqual(list(newslice), newmatches)

def test_cur_line(self):

completer = mock.Mock()

completer.locate.return_value = (

0,

self.matches_iterator.orig_cursor_offset,

self.matches_iterator.orig_line,

)

self.matches_iterator.completer = completer

with self.assertRaises(ValueError):

self.matches_iterator.cur_line()

self.assertEqual(next(self.matches_iterator), self.matches[0])

self.assertEqual(

self.matches_iterator.cur_line(),

(len(self.matches[0]), self.matches[0]),

)

def test_is_cseq(self):

self.assertTrue(self.matches_iterator.is_cseq())

class TestArgspec(unittest.TestCase):

def setUp(self):

self.repl = FakeRepl()

self.repl.push("def spam(a, b, c):\n", False)

self.repl.push(" pass\n", False)

self.repl.push("\n", False)

self.repl.push("class Spam(object):\n", False)

self.repl.push(" def spam(self, a, b, c):\n", False)

self.repl.push(" pass\n", False)

self.repl.push("\n", False)

self.repl.push("class SpammitySpam(object):\n", False)

self.repl.push(" def __init__(self, a, b, c):\n", False)

self.repl.push(" pass\n", False)

self.repl.push("\n", False)

self.repl.push("class WonderfulSpam(object):\n", False)

self.repl.push(" def __new__(self, a, b, c):\n", False)

self.repl.push(" pass\n", False)

self.repl.push("\n", False)

self.repl.push("o = Spam()\n", False)

self.repl.push("\n", False)

def set_input_line(self, line):

"""Set current input line of the test REPL."""

self.repl.current_line = line

self.repl.cursor_offset = len(line)

def test_func_name(self):

for (line, expected_name) in [

("spam(", "spam"),

("spam(map([]", "map"),

("spam((), ", "spam"),

]:

self.set_input_line(line)

self.assertTrue(self.repl.get_args())

self.assertEqual(self.repl.current_func.__name__, expected_name)

def test_func_name_method_issue_479(self):

for (line, expected_name) in [

("o.spam(", "spam"),

("o.spam(map([]", "map"),

("o.spam((), ", "spam"),

]:

self.set_input_line(line)

self.assertTrue(self.repl.get_args())

self.assertEqual(self.repl.current_func.__name__, expected_name)

def test_syntax_error_parens(self):

for line in ["spam(]", "spam([)", "spam())"]:

self.set_input_line(line)

# Should not explode

self.repl.get_args()

def test_kw_arg_position(self):

self.set_input_line("spam(a=0")

self.assertTrue(self.repl.get_args())

self.assertEqual(self.repl.arg_pos, "a")

self.set_input_line("spam(1, b=1")

self.assertTrue(self.repl.get_args())

self.assertEqual(self.repl.arg_pos, "b")

self.set_input_line("spam(1, c=2")

self.assertTrue(self.repl.get_args())

self.assertEqual(self.repl.arg_pos, "c")

def test_lambda_position(self):

self.set_input_line("spam(lambda a, b: 1, ")

self.assertTrue(self.repl.get_args())

self.assertTrue(self.repl.funcprops)

# Argument position

self.assertEqual(self.repl.arg_pos, 1)

def test_issue127(self):

self.set_input_line("x=range(")

self.assertTrue(self.repl.get_args())

self.assertEqual(self.repl.current_func.__name__, "range")

self.set_input_line("{x:range(")

self.assertTrue(self.repl.get_args())

self.assertEqual(self.repl.current_func.__name__, "range")

self.set_input_line("foo(1, 2, x,range(")

self.assertEqual(self.repl.current_func.__name__, "range")

self.set_input_line("(x,range(")

self.assertEqual(self.repl.current_func.__name__, "range")

def test_nonexistent_name(self):

self.set_input_line("spamspamspam(")

self.assertFalse(self.repl.get_args())

def test_issue572(self):

self.set_input_line("SpammitySpam(")

self.assertTrue(self.repl.get_args())

self.set_input_line("WonderfulSpam(")

self.assertTrue(self.repl.get_args())

@unittest.skipIf(pypy, "pypy pydoc doesn't have this")

def test_issue583(self):

self.repl = FakeRepl()

self.repl.push("a = 1.2\n", False)

self.set_input_line("a.is_integer(")

self.repl.set_docstring()

self.assertIsNot(self.repl.docstring, None)

def test_methods_of_expressions(self):

self.set_input_line("'a'.capitalize(")

self.assertTrue(self.repl.get_args())

self.set_input_line("(1 + 1.1).as_integer_ratio(")

self.assertTrue(self.repl.get_args())

class TestArgspecInternal(unittest.TestCase):

def test_function_expressions(self):

te = self.assertTupleEqual

fa = lambda line: repl.Repl._funcname_and_argnum(line)

for line, (func, argnum) in [

("spam(", ("spam", 0)),

("spam((), ", ("spam", 1)),

("spam.eggs((), ", ("spam.eggs", 1)),

("spam[abc].eggs((), ", ("spam[abc].eggs", 1)),

("spam[0].eggs((), ", ("spam[0].eggs", 1)),

("spam[a + b]eggs((), ", ("spam[a + b]eggs", 1)),

("spam().eggs((), ", ("spam().eggs", 1)),

("spam(1, 2).eggs((), ", ("spam(1, 2).eggs", 1)),

("spam(1, f(1)).eggs((), ", ("spam(1, f(1)).eggs", 1)),

("[0].eggs((), ", ("[0].eggs", 1)),

("[0][0]((), {}).eggs((), ", ("[0][0]((), {}).eggs", 1)),

("a + spam[0].eggs((), ", ("spam[0].eggs", 1)),

("spam(", ("spam", 0)),

("spam(map([]", ("map", 0)),

("spam((), ", ("spam", 1)),

]:

te(fa(line), (func, argnum))

class TestGetSource(unittest.TestCase):

def setUp(self):

self.repl = FakeRepl()

def set_input_line(self, line):

"""Set current input line of the test REPL."""

self.repl.current_line = line

self.repl.cursor_offset = len(line)

def assert_get_source_error_for_current_function(self, func, msg):

self.repl.current_func = func

with self.assertRaises(repl.SourceNotFound):

self.repl.get_source_of_current_name()

try:

self.repl.get_source_of_current_name()

except repl.SourceNotFound as e:

self.assertEqual(e.args[0], msg)

else:

self.fail("Should have raised SourceNotFound")

def test_current_function(self):

self.set_input_line("INPUTLINE")

self.repl.current_func = inspect.getsource

self.assertIn(

"text of the source code", self.repl.get_source_of_current_name()

)

self.assert_get_source_error_for_current_function(

[], "No source code found for INPUTLINE"

)

self.assert_get_source_error_for_current_function(

list.pop, "No source code found for INPUTLINE"

)

@unittest.skipIf(pypy, "different errors for PyPy")

def test_current_function_cpython(self):

self.set_input_line("INPUTLINE")

self.assert_get_source_error_for_current_function(

collections.defaultdict.copy, "No source code found for INPUTLINE"

)

self.assert_get_source_error_for_current_function(

collections.defaultdict, "could not find class definition"

)

def test_current_line(self):

self.repl.interp.locals["a"] = socket.socket

self.set_input_line("a")

self.assertIn("dup(self)", self.repl.get_source_of_current_name())

# TODO add tests for various failures without using current function

class TestEditConfig(TestCase):

def setUp(self):

self.repl = FakeRepl()

self.repl.interact.confirm = lambda msg: True

self.repl.interact.notify = lambda msg: None

self.repl.config.editor = "true"

def test_create_config(self):

with tempfile.TemporaryDirectory() as tmp_dir:

config_path = Path(tmp_dir) / "newdir" / "config"

self.repl.config.config_path = config_path

self.repl.edit_config()

self.assertTrue(config_path.exists())

class TestRepl(unittest.TestCase):

def set_input_line(self, line):

"""Set current input line of the test REPL."""

self.repl.current_line = line

self.repl.cursor_offset = len(line)

def setUp(self):

self.repl = FakeRepl()

def test_current_string(self):

self.set_input_line('a = "2"')

# TODO factor cpos out of repl.Repl

self.repl.cpos = 0

self.assertEqual(self.repl.current_string(), '"2"')

self.set_input_line('a = "2" + 2')

self.assertEqual(self.repl.current_string(), "")

def test_push(self):

self.repl = FakeRepl()

self.repl.push("foobar = 2")

self.assertEqual(self.repl.interp.locals["foobar"], 2)

# COMPLETE TESTS

# 1. Global tests

def test_simple_global_complete(self):

self.repl = FakeRepl(

{"autocomplete_mode": autocomplete.AutocompleteModes.SIMPLE}

)

self.set_input_line("d")

self.assertTrue(self.repl.complete())

self.assertTrue(hasattr(self.repl.matches_iter, "matches"))

self.assertEqual(

self.repl.matches_iter.matches,

["def", "del", "delattr(", "dict(", "dir(", "divmod("],

)

def test_substring_global_complete(self):

self.repl = FakeRepl(

{"autocomplete_mode": autocomplete.AutocompleteModes.SUBSTRING}

)

self.set_input_line("time")

self.assertTrue(self.repl.complete())

self.assertTrue(hasattr(self.repl.matches_iter, "matches"))

self.assertEqual(

self.repl.matches_iter.matches, ["RuntimeError(", "RuntimeWarning("]

)

def test_fuzzy_global_complete(self):

self.repl = FakeRepl(

{"autocomplete_mode": autocomplete.AutocompleteModes.FUZZY}

)

self.set_input_line("doc")

self.assertTrue(self.repl.complete())

self.assertTrue(hasattr(self.repl.matches_iter, "matches"))

self.assertEqual(

self.repl.matches_iter.matches,

["ChildProcessError(", "UnboundLocalError(", "__doc__"],

)

# 2. Attribute tests

def test_simple_attribute_complete(self):

self.repl = FakeRepl(

{"autocomplete_mode": autocomplete.AutocompleteModes.SIMPLE}

)

self.set_input_line("Foo.b")

code = "class Foo():\n\tdef bar(self):\n\t\tpass\n"

for line in code.split("\n"):

self.repl.push(line)

self.assertTrue(self.repl.complete())

self.assertTrue(hasattr(self.repl.matches_iter, "matches"))

self.assertEqual(self.repl.matches_iter.matches, ["Foo.bar"])

def test_substring_attribute_complete(self):

self.repl = FakeRepl(

{"autocomplete_mode": autocomplete.AutocompleteModes.SUBSTRING}

)

self.set_input_line("Foo.az")

code = "class Foo():\n\tdef baz(self):\n\t\tpass\n"

for line in code.split("\n"):

self.repl.push(line)

self.assertTrue(self.repl.complete())

self.assertTrue(hasattr(self.repl.matches_iter, "matches"))

self.assertEqual(self.repl.matches_iter.matches, ["Foo.baz"])

def test_fuzzy_attribute_complete(self):

self.repl = FakeRepl(

{"autocomplete_mode": autocomplete.AutocompleteModes.FUZZY}

)

self.set_input_line("Foo.br")

code = "class Foo():\n\tdef bar(self):\n\t\tpass\n"

for line in code.split("\n"):

self.repl.push(line)

self.assertTrue(self.repl.complete())

self.assertTrue(hasattr(self.repl.matches_iter, "matches"))

self.assertEqual(self.repl.matches_iter.matches, ["Foo.bar"])

# 3. Edge cases

def test_updating_namespace_complete(self):

self.repl = FakeRepl(

{"autocomplete_mode": autocomplete.AutocompleteModes.SIMPLE}

)

self.set_input_line("foo")

self.repl.push("foobar = 2")

self.assertTrue(self.repl.complete())

self.assertTrue(hasattr(self.repl.matches_iter, "matches"))

self.assertEqual(self.repl.matches_iter.matches, ["foobar"])

def test_file_should_not_appear_in_complete(self):

self.repl = FakeRepl(

{"autocomplete_mode": autocomplete.AutocompleteModes.SIMPLE}

)

self.set_input_line("_")

self.assertTrue(self.repl.complete())

self.assertTrue(hasattr(self.repl.matches_iter, "matches"))

self.assertNotIn("__file__", self.repl.matches_iter.matches)

# 4. Parameter names

def test_paremeter_name_completion(self):

self.repl = FakeRepl(

{"autocomplete_mode": autocomplete.AutocompleteModes.SIMPLE}

)

self.set_input_line("foo(ab")

code = "def foo(abc=1, abd=2, xyz=3):\n\tpass\n"

for line in code.split("\n"):

self.repl.push(line)

self.assertTrue(self.repl.complete())

self.assertTrue(hasattr(self.repl.matches_iter, "matches"))

self.assertEqual(

self.repl.matches_iter.matches, ["abc=", "abd=", "abs("]

)

class TestCliRepl(unittest.TestCase):

def setUp(self):

self.repl = FakeCliRepl()

def test_atbol(self):

self.assertTrue(self.repl.atbol())

self.repl.s = "\t\t"

self.assertTrue(self.repl.atbol())

self.repl.s = "\t\tnot an empty line"

self.assertFalse(self.repl.atbol())

def test_addstr(self):

self.repl.complete = mock.Mock(True)

self.repl.s = "foo"

self.repl.addstr("bar")

self.assertEqual(self.repl.s, "foobar")

self.repl.cpos = 3

self.repl.addstr("buzz")

self.assertEqual(self.repl.s, "foobuzzbar")

class TestCliReplTab(unittest.TestCase):

def setUp(self):

self.repl = FakeCliRepl()

# 3 Types of tab complete

def test_simple_tab_complete(self):

self.repl.matches_iter = MagicIterMock()

self.repl.matches_iter.__bool__.return_value = False

self.repl.complete = mock.Mock()

self.repl.print_line = mock.Mock()

self.repl.matches_iter.is_cseq.return_value = False

self.repl.show_list = mock.Mock()

self.repl.funcprops = mock.Mock()

self.repl.arg_pos = mock.Mock()

self.repl.matches_iter.cur_line.return_value = (None, "foobar")

self.repl.s = "foo"

self.repl.tab()

self.assertTrue(self.repl.complete.called)

self.repl.complete.assert_called_with(tab=True)

self.assertEqual(self.repl.s, "foobar")

@unittest.skip("disabled while non-simple completion is disabled")

def test_substring_tab_complete(self):

self.repl.s = "bar"

self.repl.config.autocomplete_mode = (

autocomplete.AutocompleteModes.FUZZY

)

self.repl.tab()

self.assertEqual(self.repl.s, "foobar")

self.repl.tab()

self.assertEqual(self.repl.s, "foofoobar")

@unittest.skip("disabled while non-simple completion is disabled")

def test_fuzzy_tab_complete(self):

self.repl.s = "br"

self.repl.config.autocomplete_mode = (

autocomplete.AutocompleteModes.FUZZY

)

self.repl.tab()

self.assertEqual(self.repl.s, "foobar")

# Edge Cases

def test_normal_tab(self):

"""make sure pressing the tab key will

still in some cases add a tab"""

self.repl.s = ""

self.repl.config = mock.Mock()

self.repl.config.tab_length = 4

self.repl.complete = mock.Mock()

self.repl.print_line = mock.Mock()

self.repl.tab()

self.assertEqual(self.repl.s, " ")

def test_back_parameter(self):

self.repl.matches_iter = mock.Mock()

self.repl.matches_iter.matches = True

self.repl.matches_iter.previous.return_value = "previtem"

self.repl.matches_iter.is_cseq.return_value = False

self.repl.show_list = mock.Mock()

self.repl.funcprops = mock.Mock()

self.repl.arg_pos = mock.Mock()

self.repl.matches_iter.cur_line.return_value = (None, "previtem")

self.repl.print_line = mock.Mock()

self.repl.s = "foo"

self.repl.cpos = 0

self.repl.tab(back=True)

self.assertTrue(self.repl.matches_iter.previous.called)

self.assertTrue(self.repl.s, "previtem")

# Attribute Tests

@unittest.skip("disabled while non-simple completion is disabled")

def test_fuzzy_attribute_tab_complete(self):

"""Test fuzzy attribute with no text"""

self.repl.s = "Foo."

self.repl.config.autocomplete_mode = (

autocomplete.AutocompleteModes.FUZZY

)

self.repl.tab()

self.assertEqual(self.repl.s, "Foo.foobar")

@unittest.skip("disabled while non-simple completion is disabled")

def test_fuzzy_attribute_tab_complete2(self):

"""Test fuzzy attribute with some text"""

self.repl.s = "Foo.br"

self.repl.config.autocomplete_mode = (

autocomplete.AutocompleteModes.FUZZY

)

self.repl.tab()

self.assertEqual(self.repl.s, "Foo.foobar")

# Expand Tests

def test_simple_expand(self):

self.repl.s = "f"

self.cpos = 0

self.repl.matches_iter = mock.Mock()

self.repl.matches_iter.is_cseq.return_value = True

self.repl.matches_iter.substitute_cseq.return_value = (3, "foo")

self.repl.print_line = mock.Mock()

self.repl.tab()

self.assertEqual(self.repl.s, "foo")

@unittest.skip("disabled while non-simple completion is disabled")

def test_substring_expand_forward(self):

self.repl.config.autocomplete_mode = (

autocomplete.AutocompleteModes.SUBSTRING

)

self.repl.s = "ba"

self.repl.tab()

self.assertEqual(self.repl.s, "bar")

@unittest.skip("disabled while non-simple completion is disabled")

def test_fuzzy_expand(self):

pass

if __name__ == "__main__":

unittest.main()