# -*- coding: utf-8 -*-

"""Tests for various magic functions."""

import collections

import gc

import io

import json

import os

import platform

import re

import shlex

import signal

import sys

import warnings

from importlib import invalidate_caches

from io import StringIO

from pathlib import Path

from time import sleep

from threading import Thread

from subprocess import CalledProcessError

from textwrap import dedent

from unittest import TestCase, mock

import pytest

from IPython import get_ipython

from IPython.core import magic

from IPython.core.error import UsageError

from IPython.core.magic import (

Magics,

cell_magic,

line_magic,

magics_class,

register_cell_magic,

register_line_magic,

)

from IPython.core.magics import code, execution, logging, osm, script

from IPython.core.history import HistoryOutput

from IPython.testing import decorators as dec

from IPython.testing import tools as tt

from IPython.utils.io import capture_output

from IPython.utils.process import find_cmd

from IPython.utils.tempdir import TemporaryDirectory, TemporaryWorkingDirectory

from IPython.utils.syspathcontext import prepended_to_syspath

from .test_debugger import PdbTestInput

from tempfile import NamedTemporaryFile

@magic.magics_class

class DummyMagics(magic.Magics):

pass

def test_extract_code_ranges():

instr = "1 3 5-6 7-9 10:15 17: :10 10- -13 :"

expected = [

(0, 1),

(2, 3),

(4, 6),

(6, 9),

(9, 14),

(16, None),

(None, 9),

(9, None),

(None, 13),

(None, None),

]

actual = list(code.extract_code_ranges(instr))

assert actual == expected

def test_extract_symbols():

source = """import foo\na = 10\ndef b():\n return 42\n\n\nclass A: pass\n\n\n"""

symbols_args = ["a", "b", "A", "A,b", "A,a", "z"]

expected = [

([], ["a"]),

(["def b():\n return 42\n"], []),

(["class A: pass\n"], []),

(["class A: pass\n", "def b():\n return 42\n"], []),

(["class A: pass\n"], ["a"]),

([], ["z"]),

]

for symbols, exp in zip(symbols_args, expected):

assert code.extract_symbols(source, symbols) == exp

def test_extract_symbols_raises_exception_with_non_python_code():

source = "=begin A Ruby program :)=end\n" "def hello\n" "puts 'Hello world'\n" "end"

with pytest.raises(SyntaxError):

code.extract_symbols(source, "hello")

def test_magic_not_found():

# magic not found raises UsageError

with pytest.raises(UsageError):

_ip.run_line_magic("doesntexist", "")

# ensure result isn't success when a magic isn't found

result = _ip.run_cell("%doesntexist")

assert isinstance(result.error_in_exec, UsageError)

def test_cell_magic_not_found():

# magic not found raises UsageError

with pytest.raises(UsageError):

_ip.run_cell_magic("doesntexist", "line", "cell")

# ensure result isn't success when a magic isn't found

result = _ip.run_cell("%%doesntexist")

assert isinstance(result.error_in_exec, UsageError)

def test_magic_error_status():

def fail(shell):

1 / 0

_ip.register_magic_function(fail)

result = _ip.run_cell("%fail")

assert isinstance(result.error_in_exec, ZeroDivisionError)

def test_config():

"""test that config magic does not raise

can happen if Configurable init is moved too early into

Magics.__init__ as then a Config object will be registered as a

magic.

"""

## should not raise.

_ip.run_line_magic("config", "")

def test_config_available_configs():

"""test that config magic prints available configs in unique and

sorted order."""

with capture_output() as captured:

_ip.run_line_magic("config", "")

stdout = captured.stdout

config_classes = stdout.strip().split("\n")[1:]

assert config_classes == sorted(set(config_classes))

def test_config_print_class():

"""test that config with a classname prints the class's options."""

with capture_output() as captured:

_ip.run_line_magic("config", "TerminalInteractiveShell")

stdout = captured.stdout

assert re.match(

"TerminalInteractiveShell.* options", stdout.splitlines()[0]

), f"{stdout}\n\n1st line of stdout not like 'TerminalInteractiveShell.* options'"

def test_rehashx():

# clear up everything

_ip.alias_manager.clear_aliases()

del _ip.db["syscmdlist"]

_ip.run_line_magic("rehashx", "")

# Practically ALL ipython development systems will have more than 10 aliases

assert len(_ip.alias_manager.aliases) > 10

for name, cmd in _ip.alias_manager.aliases:

# we must strip dots from alias names

assert "." not in name

# rehashx must fill up syscmdlist

scoms = _ip.db["syscmdlist"]

assert len(scoms) > 10

def test_magic_parse_options():

"""Test that we don't mangle paths when parsing magic options."""

ip = get_ipython()

path = "c:\\x"

m = DummyMagics(ip)

opts = m.parse_options("-f %s" % path, "f:")[0]

# argv splitting is os-dependent

if os.name == "posix":

expected = "c:x"

else:

expected = path

assert opts["f"] == expected

def test_magic_parse_long_options():

"""Magic.parse_options can handle --foo=bar long options"""

ip = get_ipython()

m = DummyMagics(ip)

opts, _ = m.parse_options("--foo --bar=bubble", "a", "foo", "bar=")

assert "foo" in opts

assert "bar" in opts

assert opts["bar"] == "bubble"

def doctest_hist_f():

"""Test %hist -f with temporary filename.

In [9]: import tempfile, os

In [10]: fd, tfile = tempfile.mkstemp('.py','tmp-ipython-')

In [11]: os.close(fd)

In [12]: %history -nl -y -f $tfile 3

In [14]: import os; os.unlink(tfile)

"""

def doctest_hist_op():

"""Test %hist -op

In [1]: class b(float):

...: pass

...:

In [2]: class s(object):

...: def __str__(self):

...: return 's'

...:

In [3]:

In [4]: class r(b):

...: def __repr__(self):

...: return 'r'

...:

In [5]: class sr(s,r): pass

...:

In [6]:

In [7]: bb=b()

In [8]: ss=s()

In [9]: rr=r()

In [10]: ssrr=sr()

In [11]: 4.5

Out[11]: 4.5

In [12]: str(ss)

Out[12]: 's'

In [13]:

In [14]: %hist -op

>>> class b:

... pass

...

>>> class s(b):

... def __str__(self):

... return 's'

...

>>>

>>> class r(b):

... def __repr__(self):

... return 'r'

...

>>> class sr(s,r): pass

>>>

>>> bb=b()

>>> ss=s()

>>> rr=r()

>>> ssrr=sr()

>>> 4.5

4.5

>>> str(ss)

's'

>>>

"""

def test_hist_pof():

ip = get_ipython()

ip.run_cell("1+2", store_history=True)

# raise Exception(ip.history_manager.session_number)

# raise Exception(list(ip.history_manager._get_range_session()))

with TemporaryDirectory() as td:

tf = os.path.join(td, "hist.py")

ip.run_line_magic("history", "-pof %s" % tf)

assert os.path.isfile(tf)

def test_macro():

ip = get_ipython()

ip.history_manager.reset() # Clear any existing history.

cmds = ["a=1", "def b():\n return a**2", "print(a,b())"]

for i, cmd in enumerate(cmds, start=1):

ip.history_manager.store_inputs(i, cmd)

ip.run_line_magic("macro", "test 1-3")

assert ip.user_ns["test"].value == "\n".join(cmds) + "\n"

# List macros

assert "test" in ip.run_line_magic("macro", "")

def test_macro_run():

"""Test that we can run a multi-line macro successfully."""

ip = get_ipython()

ip.history_manager.reset()

cmds = ["a=10", "a+=1", "print(a)", "%macro test 2-3"]

for cmd in cmds:

ip.run_cell(cmd, store_history=True)

assert ip.user_ns["test"].value == "a+=1\nprint(a)\n"

with tt.AssertPrints("12"):

ip.run_cell("test")

with tt.AssertPrints("13"):

ip.run_cell("test")

def test_magic_magic():

"""Test %magic"""

ip = get_ipython()

with capture_output() as captured:

ip.run_line_magic("magic", "")

stdout = captured.stdout

assert "%magic" in stdout

assert "IPython" in stdout

assert "Available" in stdout

@dec.skipif_not_numpy

def test_numpy_reset_array_undec():

"Test '%reset array' functionality"

_ip.ex("import numpy as np")

_ip.ex("a = np.empty(2)")

assert "a" in _ip.user_ns

_ip.run_line_magic("reset", "-f array")

assert "a" not in _ip.user_ns

@pytest.fixture()

def underscore_not_in_builtins():

import builtins

if "_" in builtins.__dict__:

del builtins.__dict__["_"]

def test_reset_out(underscore_not_in_builtins):

"Test '%reset out' magic"

_ip.run_cell("parrot = 'dead'", store_history=True)

# test '%reset -f out', make an Out prompt

_ip.run_cell("parrot", store_history=True)

assert "dead" in [_ip.user_ns[x] for x in ("_", "__", "___")]

_ip.run_line_magic("reset", "-f out")

assert "dead" not in [_ip.user_ns[x] for x in ("_", "__", "___")]

assert len(_ip.user_ns["Out"]) == 0

def test_reset_in():

"Test '%reset in' magic"

# test '%reset -f in'

_ip.run_cell("parrot", store_history=True)

assert "parrot" in [_ip.user_ns[x] for x in ("_i", "_ii", "_iii")]

_ip.run_line_magic("reset", "-f in")

assert "parrot" not in [_ip.user_ns[x] for x in ("_i", "_ii", "_iii")]

assert len(set(_ip.user_ns["In"])) == 1

def test_reset_dhist():

"Test '%reset dhist' magic"

_ip.run_cell("tmp = [d for d in _dh]") # copy before clearing

_ip.run_line_magic("cd", os.path.dirname(pytest.__file__))

_ip.run_line_magic("cd", "-")

assert len(_ip.user_ns["_dh"]) > 0

_ip.run_line_magic("reset", "-f dhist")

assert len(_ip.user_ns["_dh"]) == 0

_ip.run_cell("_dh = [d for d in tmp]") # restore

def test_reset_in_length():

"Test that '%reset in' preserves In[] length"

_ip.run_cell("print 'foo'")

_ip.run_cell("reset -f in")

assert len(_ip.user_ns["In"]) == _ip.displayhook.prompt_count + 1

class TestResetErrors(TestCase):

def test_reset_redefine(self):

@magics_class

class KernelMagics(Magics):

@line_magic

def less(self, shell):

pass

_ip.register_magics(KernelMagics)

with self.assertLogs() as cm:

# hack, we want to just capture logs, but assertLogs fails if not

# logs get produce.

# so log one things we ignore.

import logging as log_mod

log = log_mod.getLogger()

log.info("Nothing")

# end hack.

_ip.run_cell("reset -f")

assert len(cm.output) == 1

for out in cm.output:

assert "Invalid alias" not in out

def test_tb_syntaxerror():

"""test %tb after a SyntaxError"""

ip = get_ipython()

ip.run_cell("for")

# trap and validate stdout

save_stdout = sys.stdout

try:

sys.stdout = StringIO()

ip.run_cell("%tb")

out = sys.stdout.getvalue()

finally:

sys.stdout = save_stdout

# trim output, and only check the last line

last_line = out.rstrip().splitlines()[-1].strip()

assert last_line == "SyntaxError: invalid syntax"

def test_time():

ip = get_ipython()

with tt.AssertPrints("Wall time: "):

ip.run_cell("%time None")

ip.run_cell("def f(kmjy):\n" " %time print (2*kmjy)")

with tt.AssertPrints("Wall time: "):

with tt.AssertPrints("hihi", suppress=False):

ip.run_cell("f('hi')")

with tt.AssertPrints("a space"):

with tt.AssertPrints("Wall time: ", suppress=False):

with tt.AssertPrints("CPU times: ", suppress=False):

ip.run_cell('%time print("a space")')

# ';' at the end of %time prevents instruction value to be printed.

# This tests fix for #13837.

def test_time_no_output_with_semicolon():

ip = get_ipython()

# Test %time cases

with tt.AssertPrints(" 123456"):

with tt.AssertPrints("Wall time: ", suppress=False):

with tt.AssertPrints("CPU times: ", suppress=False):

ip.run_cell("%time 123000+456")

with tt.AssertNotPrints(" 123456"):

with tt.AssertPrints("Wall time: ", suppress=False):

with tt.AssertPrints("CPU times: ", suppress=False):

ip.run_cell("%time 123000+456;")

with tt.AssertPrints(" 123456"):

with tt.AssertPrints("Wall time: ", suppress=False):

with tt.AssertPrints("CPU times: ", suppress=False):

ip.run_cell("%time 123000+456 # Comment")

with tt.AssertNotPrints(" 123456"):

with tt.AssertPrints("Wall time: ", suppress=False):

with tt.AssertPrints("CPU times: ", suppress=False):

ip.run_cell("%time 123000+456; # Comment")

with tt.AssertPrints(" 123456"):

with tt.AssertPrints("Wall time: ", suppress=False):

with tt.AssertPrints("CPU times: ", suppress=False):

ip.run_cell("%time 123000+456 # ;Comment")

# Test %%time cases

with tt.AssertPrints("123456"):

with tt.AssertPrints("Wall time: ", suppress=False):

with tt.AssertPrints("CPU times: ", suppress=False):

ip.run_cell("%%time\n123000+456\n\n\n")

with tt.AssertNotPrints("123456"):

with tt.AssertPrints("Wall time: ", suppress=False):

with tt.AssertPrints("CPU times: ", suppress=False):

ip.run_cell("%%time\n123000+456;\n\n\n")

with tt.AssertPrints("123456"):

with tt.AssertPrints("Wall time: ", suppress=False):

with tt.AssertPrints("CPU times: ", suppress=False):

ip.run_cell("%%time\n123000+456 # Comment\n\n\n")

with tt.AssertNotPrints("123456"):

with tt.AssertPrints("Wall time: ", suppress=False):

with tt.AssertPrints("CPU times: ", suppress=False):

ip.run_cell("%%time\n123000+456; # Comment\n\n\n")

with tt.AssertPrints("123456"):

with tt.AssertPrints("Wall time: ", suppress=False):

with tt.AssertPrints("CPU times: ", suppress=False):

ip.run_cell("%%time\n123000+456 # ;Comment\n\n\n")

def test_time_last_not_expression():

ip.run_cell("%%time\n" "var_1 = 1\n" "var_2 = 2\n")

assert ip.user_ns["var_1"] == 1

del ip.user_ns["var_1"]

assert ip.user_ns["var_2"] == 2

del ip.user_ns["var_2"]

@dec.skip_win32

def test_time2():

ip = get_ipython()

with tt.AssertPrints("CPU times: user "):

ip.run_cell("%time None")

def test_time3():

"""Erroneous magic function calls, issue gh-3334"""

ip = get_ipython()

ip.user_ns.pop("run", None)

with tt.AssertNotPrints("not found", channel="stderr"):

ip.run_cell("%%time\n" "run = 0\n" "run += 1")

def test_multiline_time(underscore_not_in_builtins):

"""Make sure last statement from time return a value."""

ip = get_ipython()

ip.user_ns.pop("run", None)

ip.run_cell(

dedent(

"""\

%%time

a = "ho"

b = "hey"

a+b

"""

)

)

assert ip.user_ns_hidden["_"] == "hohey"

def test_time_local_ns():

"""

Test that local_ns is actually global_ns when running a cell magic

"""

ip = get_ipython()

ip.run_cell("%%time\n" "myvar = 1")

assert ip.user_ns["myvar"] == 1

del ip.user_ns["myvar"]

def test_time_microseconds_display():

"""Ensure ASCII is used when necessary"""

with mock.patch("sys.stdout", io.TextIOWrapper(StringIO(), encoding="utf-8")):

assert execution._format_time(0.000001) == "1 \u03bcs"

with mock.patch("sys.stdout", io.TextIOWrapper(StringIO(), encoding="ascii")):

assert execution._format_time(0.000001) == "1 us"

# Test %%capture magic. Added to test issue #13926

def test_capture():

ip = get_ipython()

# Test %%capture nominal case

ip.run_cell("%%capture abc\n1+2")

with tt.AssertPrints("True", suppress=False):

ip.run_cell("'abc' in locals()")

with tt.AssertPrints("True", suppress=False):

ip.run_cell("'outputs' in dir(abc)")

with tt.AssertPrints("3", suppress=False):

ip.run_cell("abc.outputs[0]")

# Test %%capture with ';' at end of expression

ip.run_cell("%%capture abc\n7+8;")

with tt.AssertPrints("False", suppress=False):

ip.run_cell("'abc' in locals()")

def test_doctest_mode():

"Toggle doctest_mode twice, it should be a no-op and run without error"

_ip.run_line_magic("doctest_mode", "")

_ip.run_line_magic("doctest_mode", "")

def test_parse_options():

"""Tests for basic options parsing in magics."""

# These are only the most minimal of tests, more should be added later. At

# the very least we check that basic text/unicode calls work OK.

m = DummyMagics(_ip)

assert m.parse_options("foo", "")[1] == "foo"

assert m.parse_options("foo", "")[1] == "foo"

def test_parse_options_preserve_non_option_string():

"""Test to assert preservation of non-option part of magic-block, while parsing magic options."""

m = DummyMagics(_ip)

opts, stmt = m.parse_options(

" -n1 -r 13 _ = 314 + foo", "n:r:", preserve_non_opts=True

)

assert opts == {"n": "1", "r": "13"}

assert stmt == "_ = 314 + foo"

def test_run_magic_preserve_code_block():

"""Test to assert preservation of non-option part of magic-block, while running magic."""

_ip.user_ns["spaces"] = []

_ip.run_line_magic(

"timeit", "-n1 -r1 spaces.append([s.count(' ') for s in ['document']])"

)

assert _ip.user_ns["spaces"] == [[0]]

def test_dirops():

"""Test various directory handling operations."""

# curpath = lambda :os.path.splitdrive(os.getcwd())[1].replace('\\','/')

curpath = os.getcwd

startdir = os.getcwd()

ipdir = os.path.realpath(_ip.ipython_dir)

try:

_ip.run_line_magic("cd", '"%s"' % ipdir)

assert curpath() == ipdir

_ip.run_line_magic("cd", "-")

assert curpath() == startdir

_ip.run_line_magic("pushd", '"%s"' % ipdir)

assert curpath() == ipdir

_ip.run_line_magic("popd", "")

assert curpath() == startdir

finally:

os.chdir(startdir)

def test_cd_force_quiet():

"""Test OSMagics.cd_force_quiet option"""

_ip.config.OSMagics.cd_force_quiet = True

osmagics = osm.OSMagics(shell=_ip)

startdir = os.getcwd()

ipdir = os.path.realpath(_ip.ipython_dir)

try:

with tt.AssertNotPrints(ipdir):

osmagics.cd('"%s"' % ipdir)

with tt.AssertNotPrints(startdir):

osmagics.cd("-")

finally:

os.chdir(startdir)

def test_xmode():

# Calling xmode three times should be a no-op

xmode = _ip.InteractiveTB.mode

for i in range(5):

_ip.run_line_magic("xmode", "")

assert _ip.InteractiveTB.mode == xmode

def test_reset_hard():

monitor = []

class A(object):

def __del__(self):

monitor.append(1)

def __repr__(self):

return "<A instance>"

_ip.user_ns["a"] = A()

_ip.run_cell("a")

assert monitor == []

_ip.run_line_magic("reset", "-f")

assert monitor == [1]

class TestXdel(tt.TempFileMixin):

def test_xdel(self):

"""Test that references from %run are cleared by xdel."""

src = (

"class A(object):\n"

" monitor = []\n"

" def __del__(self):\n"

" self.monitor.append(1)\n"

"a = A()\n"

)

self.mktmp(src)

# %run creates some hidden references...

_ip.run_line_magic("run", "%s" % self.fname)

# ... as does the displayhook.

_ip.run_cell("a")

monitor = _ip.user_ns["A"].monitor

assert monitor == []

_ip.run_line_magic("xdel", "a")

# Check that a's __del__ method has been called.

gc.collect(0)

assert monitor == [1]

def doctest_who():

"""doctest for %who

In [1]: %reset -sf

In [2]: alpha = 123

In [3]: beta = 'beta'

In [4]: %who int

alpha

In [5]: %who str

beta

In [6]: %whos

Variable Type Data/Info

----------------------------

alpha int 123

beta str beta

In [7]: %who_ls

Out[7]: ['alpha', 'beta']

"""

def test_whos():

"""Check that whos is protected against objects where repr() fails."""

class A(object):

def __repr__(self):

raise Exception()

_ip.user_ns["a"] = A()

_ip.run_line_magic("whos", "")

@pytest.mark.parametrize(

"input,expected",

(

(

"The quick brown fox jumps over the lazy dog",

"The quick brown fox jumps over the lazy dog",

),

(

" ".join(["The quick brown fox jumps over the lazy dog"] * 2),

"The quick brown fox jumps<...>x jumps over the lazy dog",

),

("\nThis is \n\na long\n\nstring\n", r"\nThis is \n\na long\n\nstring\n"),

(

"\rThis is \r\ra long\r\rstring\r",

r"\rThis is \r\ra long\r\rstring\r",

),

),

)

def test_whos_longstr(input, expected):

ip = get_ipython()

ip.user_ns["input"] = input

ip.user_ns["expected"] = expected

with capture_output() as captured:

ip.run_line_magic("whos", "")

stdout = captured.stdout

from_whos = " ".join(

re.split(

r"\s+str\s+",

[l for l in stdout.splitlines() if l.startswith("expected")][0],

)[1:]

)

assert expected == from_whos

def test_whos_len_namedtuple():

_ip = get_ipython()

_ip.run_line_magic("reset", "-f")

_ip.user_ns["alpha"] = 123

_ip.user_ns["beta"] = "test"

_ip.user_ns["nt"] = collections.namedtuple("MyNamedTuple", "col1 col2")

_ip.user_ns["x"] = _ip.user_ns["nt"]("a", "b")

expected = (

"Variable Type Data/Info\n"

"------------------------------------\n"

"alpha int 123\n"

"beta str test\n"

"nt type <class 'tests.test_magic.MyNamedTuple'>\n"

"x MyNamedTuple MyNamedTuple(col1='a', col2='b')\n"

)

with capture_output() as captured:

ip.run_line_magic("whos", "")

stdout = captured.stdout

assert stdout == expected.strip() + "\n"

@dec.skip_without("pandas")

def test_whos_len_pandas():

import pandas as pd

_ip = get_ipython()

_ip.run_line_magic("reset", "-f")

df = pd.DataFrame({"a": range(10), "b": range(10, 20)})

_ip.user_ns["df"] = df

s = df["a"]

_ip.user_ns["s"] = s

expected = (

"Variable Type Data/Info\n"

"---------------------------------\n"

"df DataFrame Shape: (10, 2)\n"

"s Series Shape: (10,)\n"

)

with capture_output() as captured:

ip.run_line_magic("whos", "")

stdout = captured.stdout

assert stdout == expected.strip() + "\n"

def doctest_precision():

"""doctest for %precision

In [1]: f = get_ipython().display_formatter.formatters['text/plain']

In [2]: %precision 5

Out[2]: '%.5f'

In [3]: f.float_format

Out[3]: '%.5f'

In [4]: %precision %e

Out[4]: '%e'

In [5]: f(3.1415927)

Out[5]: '3.141593e+00'

"""

def test_debug_magic():

"""Test debugging a small code with %debug

In [1]: with PdbTestInput(['c']):

...: %debug print("a b") #doctest: +ELLIPSIS

...:

...

ipdb> c

a b

In [2]:

"""

def test_debug_magic_locals():

"""Test debugging a small code with %debug with locals

In [1]: with PdbTestInput(['c']):

...: def fun():

...: res = 1

...: %debug print(res)

...: fun()

...:

...

ipdb> c

1

In [2]:

"""

def test_psearch():

with tt.AssertPrints("dict.fromkeys"):

_ip.run_cell("dict.fr*?")

with tt.AssertPrints("π.is_integer"):

_ip.run_cell("π = 3.14;\nπ.is_integ*?")

def test_timeit_shlex():

"""test shlex issues with timeit (#1109)"""

_ip.ex("def f(*a,**kw): pass")

_ip.run_line_magic("timeit", '-n1 "this is a bug".count(" ")')

_ip.run_line_magic("timeit", '-r1 -n1 f(" ", 1)')

_ip.run_line_magic("timeit", '-r1 -n1 f(" ", 1, " ", 2, " ")')

_ip.run_line_magic("timeit", '-r1 -n1 ("a " + "b")')

_ip.run_line_magic("timeit", '-r1 -n1 f("a " + "b")')

_ip.run_line_magic("timeit", '-r1 -n1 f("a " + "b ")')

def test_timeit_special_syntax():

"Test %%timeit with IPython special syntax"

@register_line_magic

def lmagic(line):

ip = get_ipython()

ip.user_ns["lmagic_out"] = line

# line mode test

_ip.run_line_magic("timeit", "-n1 -r1 %lmagic my line")

assert _ip.user_ns["lmagic_out"] == "my line"

# cell mode test

_ip.run_cell_magic("timeit", "-n1 -r1", "%lmagic my line2")

assert _ip.user_ns["lmagic_out"] == "my line2"

def test_timeit_return():

"""

test whether timeit -o return object

"""

res = _ip.run_line_magic("timeit", "-n10 -r10 -o 1")

assert res is not None

def test_timeit_save():

"""

test whether timeit -v save object

"""

name = "some_variable_name"

_ip.run_line_magic("timeit", "-n10 -r10 -v %s 1" % name)

assert _ip.user_ns[name] is not None

def test_timeit_quiet():

"""

test quiet option of timeit magic

"""

with tt.AssertNotPrints("loops"):

_ip.run_cell("%timeit -n1 -r1 -q 1")

def test_timeit_return_quiet():

with tt.AssertNotPrints("loops"):

res = _ip.run_line_magic("timeit", "-n1 -r1 -q -o 1")

assert res is not None

def test_timeit_invalid_return():

with pytest.raises(SyntaxError):

_ip.run_line_magic("timeit", "return")

def test_timeit_raise_on_interrupt():

ip = get_ipython()

with pytest.raises(KeyboardInterrupt):

thread = Thread(target=_interrupt_after_1s)

thread.start()

ip.run_cell_magic("timeit", "", "from time import sleep; sleep(2)")

thread.join()

@dec.skipif(execution.profile is None)

def test_prun_special_syntax():

"Test %%prun with IPython special syntax"

@register_line_magic

def lmagic(line):

ip = get_ipython()

ip.user_ns["lmagic_out"] = line

# line mode test

_ip.run_line_magic("prun", "-q %lmagic my line")

assert _ip.user_ns["lmagic_out"] == "my line"

# cell mode test

_ip.run_cell_magic("prun", "-q", "%lmagic my line2")

assert _ip.user_ns["lmagic_out"] == "my line2"

@dec.skipif(execution.profile is None)

def test_prun_quotes():

"Test that prun does not clobber string escapes (GH #1302)"

_ip.run_line_magic("prun", r"-q x = '\t'")

assert _ip.user_ns["x"] == "\t"

def test_extension():

# Debugging information for failures of this test

assert "daft_extension" not in sys.modules

daft_path = os.path.join(os.path.dirname(__file__), "fake_ext_dir")

if daft_path in sys.path:

# it is likely pytest added this path

# when scanning for tests

sys.path.remove(daft_path)

print("sys.path:")

for p in sys.path:

print(" ", p)

print("CWD", os.getcwd())

with pytest.raises(ModuleNotFoundError):

import daft_extension

with pytest.raises(ModuleNotFoundError):

_ip.run_line_magic("load_ext", "daft_extension")

sys.path.insert(0, daft_path)

import daft_extension

try:

_ip.user_ns.pop("arq", None)

invalidate_caches() # Clear import caches

_ip.run_line_magic("load_ext", "daft_extension")