xonsh/tests/test_history.py

292 lines
9.6 KiB
Python

# -*- coding: utf-8 -*-
"""Tests the json history backend."""
# pylint: disable=protected-access
import os
import shlex
import pytest
from xonsh.lazyjson import LazyJSON
from xonsh.history.dummy import DummyHistory
from xonsh.history.json import JsonHistory
from xonsh.history.main import history_main, _xh_parse_args, construct_history
CMDS = ['ls', 'cat hello kitty', 'abc', 'def', 'touch me', 'grep from me']
@pytest.yield_fixture
def hist():
h = JsonHistory(filename='xonsh-HISTORY-TEST.json', here='yup',
sessionid='SESSIONID', gc=False)
yield h
os.remove(h.filename)
def test_hist_init(hist):
"""Test initialization of the shell history."""
with LazyJSON(hist.filename) as lj:
obs = lj['here']
assert 'yup' == obs
def test_hist_append(hist, xonsh_builtins):
"""Verify appending to the history works."""
xonsh_builtins.__xonsh_env__['HISTCONTROL'] = set()
hf = hist.append({'inp': 'still alive', 'rtn': 0})
assert hf is None
assert 'still alive' == hist.buffer[0]['inp']
assert 0 == hist.buffer[0]['rtn']
assert 0 == hist.rtns[-1]
hf = hist.append({'inp': 'dead now', 'rtn': 1})
assert 'dead now' == hist.buffer[1]['inp']
assert 1 == hist.buffer[1]['rtn']
assert 1 == hist.rtns[-1]
hf = hist.append({'inp': 'reborn', 'rtn': 0})
assert 'reborn' == hist.buffer[2]['inp']
assert 0 == hist.buffer[2]['rtn']
assert 0 == hist.rtns[-1]
def test_hist_flush(hist, xonsh_builtins):
"""Verify explicit flushing of the history works."""
hf = hist.flush()
assert hf is None
xonsh_builtins.__xonsh_env__['HISTCONTROL'] = set()
hist.append({'inp': 'still alive?', 'rtn': 0, 'out': 'yes'})
hf = hist.flush()
assert hf is not None
while hf.is_alive():
pass
with LazyJSON(hist.filename) as lj:
assert len(lj['cmds']) == 1
cmd = lj['cmds'][0]
assert cmd['inp'] == 'still alive?'
assert not cmd.get('out', None)
def test_hist_flush_with_store_stdout(hist, xonsh_builtins):
"""Verify explicit flushing of the history works."""
hf = hist.flush()
assert hf is None
xonsh_builtins.__xonsh_env__['HISTCONTROL'] = set()
xonsh_builtins.__xonsh_env__['XONSH_STORE_STDOUT'] = True
hist.append({'inp': 'still alive?', 'rtn': 0, 'out': 'yes'})
hf = hist.flush()
assert hf is not None
while hf.is_alive():
pass
with LazyJSON(hist.filename) as lj:
assert len(lj['cmds']) == 1
assert lj['cmds'][0]['inp'] == 'still alive?'
assert lj['cmds'][0]['out'].strip() == 'yes'
def test_hist_flush_with_hist_control(hist, xonsh_builtins):
"""Verify explicit flushing of the history works."""
hf = hist.flush()
assert hf is None
xonsh_builtins.__xonsh_env__['HISTCONTROL'] = 'ignoredups,ignoreerr'
hist.append({'inp': 'ls foo1', 'rtn': 0})
hist.append({'inp': 'ls foo1', 'rtn': 1})
hist.append({'inp': 'ls foo1', 'rtn': 0})
hist.append({'inp': 'ls foo2', 'rtn': 2})
hist.append({'inp': 'ls foo3', 'rtn': 0})
hf = hist.flush()
assert hf is not None
while hf.is_alive():
pass
assert len(hist.buffer) == 0
with LazyJSON(hist.filename) as lj:
cmds = list(lj['cmds'])
assert len(cmds) == 2
assert [x['inp'] for x in cmds] == ['ls foo1', 'ls foo3']
assert [x['rtn'] for x in cmds] == [0, 0]
def test_cmd_field(hist, xonsh_builtins):
# in-memory
xonsh_builtins.__xonsh_env__['HISTCONTROL'] = set()
hf = hist.append({'inp': 'ls foo', 'rtn': 1})
assert hf is None
assert 1 == hist.rtns[0]
assert 1 == hist.rtns[-1]
assert None == hist.outs[-1]
# slice
assert [1] == hist.rtns[:]
# on disk
hf = hist.flush()
assert hf is not None
assert 1 == hist.rtns[0]
assert 1 == hist.rtns[-1]
assert None == hist.outs[-1]
@pytest.mark.parametrize('inp, commands, offset', [
('', CMDS, (0, 1)),
('-r', list(reversed(CMDS)), (len(CMDS)- 1, -1)),
('0', CMDS[0:1], (0, 1)),
('1', CMDS[1:2], (1, 1)),
('-2', CMDS[-2:-1], (len(CMDS) -2 , 1)),
('1:3', CMDS[1:3], (1, 1)),
('1::2', CMDS[1::2], (1, 2)),
('-4:-2', CMDS[-4:-2], (len(CMDS) - 4, 1))
])
def test_show_cmd_numerate(inp, commands, offset, hist, xonsh_builtins, capsys):
"""Verify that CLI history commands work."""
base_idx, step = offset
xonsh_builtins.__xonsh_history__ = hist
xonsh_builtins.__xonsh_env__['HISTCONTROL'] = set()
for ts, cmd in enumerate(CMDS): # populate the shell history
hist.append({'inp': cmd, 'rtn': 0, 'ts':(ts + 1, ts + 1.5)})
exp = ('{}: {}'.format(base_idx + idx * step, cmd)
for idx, cmd in enumerate(list(commands)))
exp = '\n'.join(exp)
history_main(['show', '-n'] + shlex.split(inp))
out, err = capsys.readouterr()
assert out.rstrip() == exp
def test_histcontrol(hist, xonsh_builtins):
"""Test HISTCONTROL=ignoredups,ignoreerr"""
xonsh_builtins.__xonsh_env__['HISTCONTROL'] = 'ignoredups,ignoreerr'
assert len(hist.buffer) == 0
# An error, buffer remains empty
hist.append({'inp': 'ls foo', 'rtn': 2})
assert len(hist.buffer) == 1
assert hist.rtns[-1] == 2
assert hist.inps[-1] == 'ls foo'
# Success
hist.append({'inp': 'ls foobazz', 'rtn': 0})
assert len(hist.buffer) == 2
assert 'ls foobazz' == hist.buffer[-1]['inp']
assert 0 == hist.buffer[-1]['rtn']
assert hist.rtns[-1] == 0
assert hist.inps[-1] == 'ls foobazz'
# Error
hist.append({'inp': 'ls foo', 'rtn': 2})
assert len(hist.buffer) == 3
assert 'ls foo' == hist.buffer[-1]['inp']
assert 2 == hist.buffer[-1]['rtn']
assert hist.rtns[-1] == 2
assert hist.inps[-1] == 'ls foo'
# File now exists, success
hist.append({'inp': 'ls foo', 'rtn': 0})
assert len(hist.buffer) == 4
assert 'ls foo' == hist.buffer[-1]['inp']
assert 0 == hist.buffer[-1]['rtn']
assert hist.rtns[-1] == 0
assert hist.inps[-1] == 'ls foo'
# Success
hist.append({'inp': 'ls', 'rtn': 0})
assert len(hist.buffer) == 5
assert 'ls' == hist.buffer[-1]['inp']
assert 0 == hist.buffer[-1]['rtn']
assert hist.rtns[-1] == 0
assert hist.inps[-1] == 'ls'
# Dup
hist.append({'inp': 'ls', 'rtn': 0})
assert len(hist.buffer) == 6
assert hist.rtns[-1] == 0
assert hist.inps[-1] == 'ls'
# Success
hist.append({'inp': '/bin/ls', 'rtn': 0})
assert len(hist.buffer) == 7
assert '/bin/ls' == hist.buffer[-1]['inp']
assert 0 == hist.buffer[-1]['rtn']
assert hist.rtns[-1] == 0
assert hist.inps[-1] == '/bin/ls'
# Error
hist.append({'inp': 'ls bazz', 'rtn': 1})
assert len(hist.buffer) == 8
assert 'ls bazz' == hist.buffer[-1]['inp']
assert 1 == hist.buffer[-1]['rtn']
assert hist.rtns[-1] == 1
assert hist.inps[-1] == 'ls bazz'
# Error
hist.append({'inp': 'ls bazz', 'rtn': -1})
assert len(hist.buffer) == 9
assert 'ls bazz' == hist.buffer[-1]['inp']
assert -1 == hist.buffer[-1]['rtn']
assert hist.rtns[-1] == -1
assert hist.inps[-1] == 'ls bazz'
@pytest.mark.parametrize('args', [ '-h', '--help', 'show -h', 'show --help'])
def test_parse_args_help(args, capsys):
with pytest.raises(SystemExit):
args = _xh_parse_args(shlex.split(args))
assert 'show this help message and exit' in capsys.readouterr()[0]
@pytest.mark.parametrize('args, exp', [
('', ('show', 'session', [], False, False)),
('1:5', ('show', 'session', ['1:5'], False, False)),
('show', ('show', 'session', [], False, False)),
('show 15', ('show', 'session', ['15'], False, False)),
('show bash 3:5 15:66', ('show', 'bash', ['3:5', '15:66'], False, False)),
('show -r', ('show', 'session', [], False, True)),
('show -rn bash', ('show', 'bash', [], True, True)),
('show -n -r -30:20', ('show', 'session', ['-30:20'], True, True)),
('show -n zsh 1:2:3', ('show', 'zsh', ['1:2:3'], True, False))
])
def test_parser_show(args, exp):
# use dict instead of argparse.Namespace for pretty pytest diff
exp_ns = {'action': exp[0],
'session': exp[1],
'slices': exp[2],
'numerate': exp[3],
'reverse': exp[4],
'start_time': None,
'end_time': None,
'datetime_format': None,
'timestamp': False}
ns = _xh_parse_args(shlex.split(args))
assert ns.__dict__ == exp_ns
@pytest.mark.parametrize('index, exp', [
(-1, ('grep from me', 'out', 0, (5, 6))),
(1, ('cat hello kitty', 'out', 0, (1, 2))),
(slice(1, 3), [('cat hello kitty', 'out', 0, (1, 2)),
('abc', 'out', 0, (2, 3))]),
])
def test_history_getitem(index, exp, hist, xonsh_builtins):
xonsh_builtins.__xonsh_env__['HISTCONTROL'] = set()
attrs = ('inp', 'out', 'rtn', 'ts')
for ts,cmd in enumerate(CMDS): # populate the shell history
entry = {k: v for k, v in zip(attrs, [cmd, 'out', 0, (ts, ts+1)])}
hist.append(entry)
entry = hist[index]
if isinstance(entry, list):
assert [(e.cmd, e.out, e.rtn, e.ts) for e in entry] == exp
else:
assert (entry.cmd, entry.out, entry.rtn, entry.ts) == exp
def test_construct_history_str(xonsh_builtins):
xonsh_builtins.__xonsh_env__['XONSH_HISTORY_BACKEND'] = 'dummy'
assert isinstance(construct_history(), DummyHistory)
def test_construct_history_class(xonsh_builtins):
xonsh_builtins.__xonsh_env__['XONSH_HISTORY_BACKEND'] = DummyHistory
assert isinstance(construct_history(), DummyHistory)
def test_construct_history_instance(xonsh_builtins):
xonsh_builtins.__xonsh_env__['XONSH_HISTORY_BACKEND'] = DummyHistory()
assert isinstance(construct_history(), DummyHistory)