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test_curtsies_repl.py
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502 lines (420 loc) · 18.4 KB
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# coding: utf-8
from __future__importunicode_literals
importcode
importos
importsys
importtempfile
importio
fromfunctoolsimportpartial
fromcontextlibimportcontextmanager
fromsix.movesimportStringIO
frombpython.curtsiesfrontendimportreplascurtsiesrepl
frombpython.curtsiesfrontendimportinterpreter
frombpython.curtsiesfrontendimporteventsasbpythonevents
frombpython.replimportLineTypeTranslatorasLineType
frombpythonimportautocomplete
frombpythonimportconfig
frombpythonimportargs
frombpython._py3compatimportpy3
frombpython.testimport (
FixLanguageTestCaseasTestCase,
MagicIterMock,
mock,
unittest,
TEST_CONFIG,
)
fromcurtsiesimportevents
ifpy3:
fromimportlibimportinvalidate_caches
else:
definvalidate_caches():
"""Does not exist before Python 3.3"""
defsetup_config(conf):
config_struct=config.Struct()
config.loadini(config_struct,TEST_CONFIG)
forkey,valueinconf.items():
ifnothasattr(config_struct,key):
raiseValueError("%r is not a valid config attribute"% (key,))
setattr(config_struct,key,value)
returnconfig_struct
classTestCurtsiesRepl(TestCase):
defsetUp(self):
self.repl=create_repl()
defcfwp(self,source):
returninterpreter.code_finished_will_parse(
source,self.repl.interp.compile
)
deftest_code_finished_will_parse(self):
self.repl.buffer= ["1 + 1"]
self.assertTrue(self.cfwp("\n".join(self.repl.buffer)), (True,True))
self.repl.buffer= ["def foo(x):"]
self.assertTrue(self.cfwp("\n".join(self.repl.buffer)), (False,True))
self.repl.buffer= ["def foo(x)"]
self.assertTrue(self.cfwp("\n".join(self.repl.buffer)), (True,False))
self.repl.buffer= ["def foo(x):","return 1"]
self.assertTrue(self.cfwp("\n".join(self.repl.buffer)), (True,False))
self.repl.buffer= ["def foo(x):"," return 1"]
self.assertTrue(self.cfwp("\n".join(self.repl.buffer)), (True,True))
self.repl.buffer= ["def foo(x):"," return 1",""]
self.assertTrue(self.cfwp("\n".join(self.repl.buffer)), (True,True))
deftest_external_communication(self):
self.repl.send_current_block_to_external_editor()
self.repl.send_session_to_external_editor()
@unittest.skipUnless(
all(map(config.can_encode,"å∂߃")),"Charset can not encode characters"
)
deftest_external_communication_encoding(self):
withcaptured_output():
self.repl.display_lines.append('>>> "åß∂ƒ"')
self.repl.history.append('"åß∂ƒ"')
self.repl.all_logical_lines.append(('"åß∂ƒ"',LineType.INPUT))
self.repl.send_session_to_external_editor()
deftest_get_last_word(self):
self.repl.rl_history.entries= ["1","2 3","4 5 6"]
self.repl._set_current_line("abcde")
self.repl.get_last_word()
self.assertEqual(self.repl.current_line,"abcde6")
self.repl.get_last_word()
self.assertEqual(self.repl.current_line,"abcde3")
deftest_last_word(self):
self.assertEqual(curtsiesrepl._last_word(""),"")
self.assertEqual(curtsiesrepl._last_word(" "),"")
self.assertEqual(curtsiesrepl._last_word("a"),"a")
self.assertEqual(curtsiesrepl._last_word("a b"),"b")
# this is the behavior of bash - not currently implemented
@unittest.skip
deftest_get_last_word_with_prev_line(self):
self.repl.rl_history.entries= ["1","2 3","4 5 6"]
self.repl._set_current_line("abcde")
self.repl.up_one_line()
self.assertEqual(self.repl.current_line,"4 5 6")
self.repl.get_last_word()
self.assertEqual(self.repl.current_line,"4 5 63")
self.repl.get_last_word()
self.assertEqual(self.repl.current_line,"4 5 64")
self.repl.up_one_line()
self.assertEqual(self.repl.current_line,"2 3")
defmock_next(obj,return_value):
ifpy3:
obj.__next__.return_value=return_value
else:
obj.next.return_value=return_value
classTestCurtsiesReplTab(TestCase):
defsetUp(self):
self.repl=create_repl()
self.repl.matches_iter=MagicIterMock()
defadd_matches(*args,**kwargs):
self.repl.matches_iter.matches= ["aaa","aab","aac"]
self.repl.complete=mock.Mock(
side_effect=add_matches,return_value=True
)
deftest_tab_with_no_matches_triggers_completion(self):
self.repl._current_line=" asdf"
self.repl._cursor_offset=5
self.repl.matches_iter.matches= []
self.repl.matches_iter.is_cseq.return_value=False
self.repl.matches_iter.cur_line.return_value= (None,None)
self.repl.on_tab()
self.repl.complete.assert_called_once_with(tab=True)
deftest_tab_after_indentation_adds_space(self):
self.repl._current_line=" "
self.repl._cursor_offset=4
self.repl.on_tab()
self.assertEqual(self.repl._current_line," ")
self.assertEqual(self.repl._cursor_offset,8)
deftest_tab_at_beginning_of_line_adds_space(self):
self.repl._current_line=""
self.repl._cursor_offset=0
self.repl.on_tab()
self.assertEqual(self.repl._current_line," ")
self.assertEqual(self.repl._cursor_offset,4)
deftest_tab_with_no_matches_selects_first(self):
self.repl._current_line=" aa"
self.repl._cursor_offset=3
self.repl.matches_iter.matches= []
self.repl.matches_iter.is_cseq.return_value=False
mock_next(self.repl.matches_iter,None)
self.repl.matches_iter.cur_line.return_value= (None,None)
self.repl.on_tab()
self.repl.complete.assert_called_once_with(tab=True)
self.repl.matches_iter.cur_line.assert_called_once_with()
deftest_tab_with_matches_selects_next_match(self):
self.repl._current_line=" aa"
self.repl._cursor_offset=3
self.repl.complete()
self.repl.matches_iter.is_cseq.return_value=False
mock_next(self.repl.matches_iter,None)
self.repl.matches_iter.cur_line.return_value= (None,None)
self.repl.on_tab()
self.repl.matches_iter.cur_line.assert_called_once_with()
deftest_tab_completes_common_sequence(self):
self.repl._current_line=" a"
self.repl._cursor_offset=2
self.repl.matches_iter.matches= ["aaa","aab","aac"]
self.repl.matches_iter.is_cseq.return_value=True
self.repl.matches_iter.substitute_cseq.return_value= (None,None)
self.repl.on_tab()
self.repl.matches_iter.substitute_cseq.assert_called_once_with()
classTestCurtsiesReplFilenameCompletion(TestCase):
defsetUp(self):
self.repl=create_repl()
deftest_list_win_visible_match_selected_on_tab_multiple_options(self):
self.repl._current_line=" './'"
self.repl._cursor_offset=2
withmock.patch("bpython.autocomplete.get_completer")asm:
m.return_value= (
["./abc","./abcd","./bcd"],
autocomplete.FilenameCompletion(),
)
self.repl.update_completion()
self.assertEqual(self.repl.list_win_visible,False)
self.repl.on_tab()
self.assertEqual(self.repl.current_match,"./abc")
self.assertEqual(self.repl.list_win_visible,True)
deftest_list_win_not_visible_and_cseq_if_cseq(self):
self.repl._current_line=" './a'"
self.repl._cursor_offset=5
withmock.patch("bpython.autocomplete.get_completer")asm:
m.return_value= (
["./abcd","./abce"],
autocomplete.FilenameCompletion(),
)
self.repl.update_completion()
self.assertEqual(self.repl.list_win_visible,False)
self.repl.on_tab()
self.assertEqual(self.repl._current_line," './abc'")
self.assertEqual(self.repl.current_match,None)
self.assertEqual(self.repl.list_win_visible,False)
deftest_list_win_not_visible_and_match_selected_if_one_option(self):
self.repl._current_line=" './a'"
self.repl._cursor_offset=5
withmock.patch("bpython.autocomplete.get_completer")asm:
m.return_value= (["./abcd"],autocomplete.FilenameCompletion())
self.repl.update_completion()
self.assertEqual(self.repl.list_win_visible,False)
self.repl.on_tab()
self.assertEqual(self.repl._current_line," './abcd'")
self.assertEqual(self.repl.current_match,None)
self.assertEqual(self.repl.list_win_visible,False)
# from http://stackoverflow.com/a/17981937/398212 - thanks @rkennedy
@contextmanager
defcaptured_output():
new_out,new_err=StringIO(),StringIO()
old_out,old_err=sys.stdout,sys.stderr
try:
sys.stdout,sys.stderr=new_out,new_err
yieldsys.stdout,sys.stderr
finally:
sys.stdout,sys.stderr=old_out,old_err
defcreate_repl(**kwargs):
config=setup_config({"editor":"true"})
repl=curtsiesrepl.BaseRepl(config=config,**kwargs)
os.environ["PAGER"]="true"
os.environ.pop("PYTHONSTARTUP",None)
repl.width=50
repl.height=20
returnrepl
classTestFutureImports(TestCase):
deftest_repl(self):
repl=create_repl()
withcaptured_output()as (out,err):
repl.push("from __future__ import division")
repl.push("1 / 2")
self.assertEqual(out.getvalue(),"0.5\n")
deftest_interactive(self):
interp=code.InteractiveInterpreter(locals={})
withcaptured_output()as (out,err):
withtempfile.NamedTemporaryFile(mode="w",suffix=".py")asf:
f.write("from __future__ import division\n")
f.write("print(1/2)\n")
f.flush()
args.exec_code(interp, [f.name])
repl=create_repl(interp=interp)
repl.push("1 / 2")
self.assertEqual(out.getvalue(),"0.5\n0.5\n")
classTestStdOutErr(TestCase):
defsetUp(self):
self.repl=create_repl()
deftest_newline(self):
self.repl.send_to_stdouterr("\n\n")
self.assertEqual(self.repl.display_lines[-2],"")
self.assertEqual(self.repl.display_lines[-1],"")
self.assertEqual(self.repl.current_stdouterr_line,"")
deftest_leading_newline(self):
self.repl.send_to_stdouterr("\nfoo\n")
self.assertEqual(self.repl.display_lines[-2],"")
self.assertEqual(self.repl.display_lines[-1],"foo")
self.assertEqual(self.repl.current_stdouterr_line,"")
deftest_no_trailing_newline(self):
self.repl.send_to_stdouterr("foo")
self.assertEqual(self.repl.current_stdouterr_line,"foo")
deftest_print_without_newline_then_print_with_leading_newline(self):
self.repl.send_to_stdouterr("foo")
self.repl.send_to_stdouterr("\nbar\n")
self.assertEqual(self.repl.display_lines[-2],"foo")
self.assertEqual(self.repl.display_lines[-1],"bar")
self.assertEqual(self.repl.current_stdouterr_line,"")
classTestPredictedIndent(TestCase):
defsetUp(self):
self.repl=create_repl()
deftest_simple(self):
self.assertEqual(self.repl.predicted_indent(""),0)
self.assertEqual(self.repl.predicted_indent("class Foo:"),4)
self.assertEqual(self.repl.predicted_indent("class Foo: pass"),0)
self.assertEqual(self.repl.predicted_indent("def asdf():"),4)
self.assertEqual(self.repl.predicted_indent("def asdf(): return 7"),0)
@unittest.skip
deftest_complex(self):
self.assertEqual(self.repl.predicted_indent("[a, "),1)
self.assertEqual(self.repl.predicted_indent("reduce(asdfasdf, "),7)
classTestCurtsiesReevaluate(TestCase):
defsetUp(self):
self.repl=create_repl()
deftest_variable_is_cleared(self):
self.repl._current_line="b = 10"
self.repl.on_enter()
self.assertIn("b",self.repl.interp.locals)
self.repl.undo()
self.assertNotIn("b",self.repl.interp.locals)
classTestCurtsiesReevaluateWithImport(TestCase):
defsetUp(self):
self.repl=create_repl()
self.open=partial(io.open,mode="wt",encoding="utf-8")
self.dont_write_bytecode=sys.dont_write_bytecode
sys.dont_write_bytecode=True
self.sys_path=sys.path
sys.path=self.sys_path[:]
# Because these tests create Python source files at runtime,
# it's possible in Python >=3.3 for the importlib.machinery.FileFinder
# for a directory to have an outdated cache when
# * a module in that directory is imported,
# * then a new module is created in that directory,
# * then that new module is imported.
# Automatic cache invalidation is based on the second-resolution mtime
# of the directory, so we need to manually call invalidate_caches().
#
# see https://docs.python.org/3/library/importlib.html
# sections #importlib.machinery.FileFinder and
# #importlib.invalidate_caches
invalidate_caches()
deftearDown(self):
sys.dont_write_bytecode=self.dont_write_bytecode
sys.path=self.sys_path
defpush(self,line):
self.repl._current_line=line
self.repl.on_enter()
defhead(self,path):
self.push("import sys")
self.push('sys.path.append("%s")'% (path))
@staticmethod
@contextmanager
deftempfile():
withtempfile.NamedTemporaryFile(suffix=".py")astemp:
path,name=os.path.split(temp.name)
yieldtemp.name,path,name.replace(".py","")
deftest_module_content_changed(self):
withself.tempfile()as (fullpath,path,modname):
print(modname)
withself.open(fullpath)asf:
f.write("a = 0\n")
self.head(path)
self.push("import %s"% (modname))
self.push("a = %s.a"% (modname))
self.assertIn("a",self.repl.interp.locals)
self.assertEqual(self.repl.interp.locals["a"],0)
withself.open(fullpath)asf:
f.write("a = 1\n")
self.repl.clear_modules_and_reevaluate()
self.assertIn("a",self.repl.interp.locals)
self.assertEqual(self.repl.interp.locals["a"],1)
deftest_import_module_with_rewind(self):
withself.tempfile()as (fullpath,path,modname):
print(modname)
withself.open(fullpath)asf:
f.write("a = 0\n")
self.head(path)
self.push("import %s"% (modname))
self.assertIn(modname,self.repl.interp.locals)
self.repl.undo()
self.assertNotIn(modname,self.repl.interp.locals)
self.repl.clear_modules_and_reevaluate()
self.assertNotIn(modname,self.repl.interp.locals)
self.push("import %s"% (modname))
self.push("a = %s.a"% (modname))
self.assertIn("a",self.repl.interp.locals)
self.assertEqual(self.repl.interp.locals["a"],0)
withself.open(fullpath)asf:
f.write("a = 1\n")
self.repl.clear_modules_and_reevaluate()
self.assertIn("a",self.repl.interp.locals)
self.assertEqual(self.repl.interp.locals["a"],1)
classTestCurtsiesPagerText(TestCase):
defsetUp(self):
self.repl=create_repl()
self.repl.pager=self.assert_pager_gets_unicode
defassert_pager_gets_unicode(self,text):
self.assertIsInstance(text,type(""))
deftest_help(self):
self.repl.pager(self.repl.help_text())
@unittest.skipUnless(
all(map(config.can_encode,"å∂߃")),"Charset can not encode characters"
)
deftest_show_source_not_formatted(self):
self.repl.config.highlight_show_source=False
self.repl.get_source_of_current_name=lambda:"source code å∂߃åß∂ƒ"
self.repl.show_source()
@unittest.skipUnless(
all(map(config.can_encode,"å∂߃")),"Charset can not encode characters"
)
deftest_show_source_formatted(self):
self.repl.config.highlight_show_source=True
self.repl.get_source_of_current_name=lambda:"source code å∂߃åß∂ƒ"
self.repl.show_source()
classTestCurtsiesStartup(TestCase):
defsetUp(self):
self.repl=create_repl()
defwrite_startup_file(self,fname,encoding):
withio.open(fname,mode="wt",encoding=encoding)asf:
f.write("# coding: ")
f.write(encoding)
f.write("\n")
f.write("from __future__ import unicode_literals\n")
f.write('a = "äöü"\n')
deftest_startup_event_utf8(self):
withtempfile.NamedTemporaryFile()astemp:
self.write_startup_file(temp.name,"utf-8")
withmock.patch.dict("os.environ", {"PYTHONSTARTUP":temp.name}):
self.repl.process_event(bpythonevents.RunStartupFileEvent())
self.assertIn("a",self.repl.interp.locals)
deftest_startup_event_latin1(self):
withtempfile.NamedTemporaryFile()astemp:
self.write_startup_file(temp.name,"latin-1")
withmock.patch.dict("os.environ", {"PYTHONSTARTUP":temp.name}):
self.repl.process_event(bpythonevents.RunStartupFileEvent())
self.assertIn("a",self.repl.interp.locals)
classTestCurtsiesPasteEvents(TestCase):
defsetUp(self):
self.repl=create_repl()
deftest_control_events_in_small_paste(self):
self.assertGreaterEqual(
curtsiesrepl.MAX_EVENTS_POSSIBLY_NOT_PASTE,
6,
"test assumes UI lag could cause 6 events",
)
p=events.PasteEvent()
p.events= ["a","b","c","d","<Ctrl-a>","e"]
self.repl.process_event(p)
self.assertEqual(self.repl.current_line,"eabcd")
deftest_control_events_in_large_paste(self):
"""Large paste events should ignore control characters"""
p=events.PasteEvent()
p.events= ["a","<Ctrl-a>"]+ [
"e"
]*curtsiesrepl.MAX_EVENTS_POSSIBLY_NOT_PASTE
self.repl.process_event(p)
self.assertEqual(
self.repl.current_line,
"a"+"e"*curtsiesrepl.MAX_EVENTS_POSSIBLY_NOT_PASTE,
)
if__name__=="__main__":
unittest.main()