mirror of
https://github.com/fish-shell/fish-shell
synced 2024-12-27 05:13:10 +00:00
Improve pexpect output
Make it easier to use pexpect and to understand its error messages. Switch to a style in tests using bound methods, which makes them less noisy to write.
This commit is contained in:
ridiculousfish
parent
3b7feb38e9
commit
4ae4314e63
4 changed files with 239 additions and 177 deletions
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@ -64,18 +64,32 @@ def escape(s):
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return "".join(res)
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def pexpect_error_type(err):
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""" Return a human-readable description of a pexpect error type. """
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if isinstance(err, pexpect.EOF):
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return "EOF"
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elif isinstance(err, pexpect.TIMEOUT):
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return "timeout"
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else:
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return "unknown error"
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class Message(object):
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""" Some text either sent-to or received-from the spawned proc.
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Attributes:
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dir: the message direction, either DIR_SEND or DIR_RECV
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dir: the message direction, either DIR_INPUT or DIR_OUTPUT
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filename: the name of the file from which the message was sent
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text: the text of the messages
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when: a timestamp of when the message was sent
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"""
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DIR_SEND = "SENT"
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DIR_RECV = "RECV"
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# Input is input into fish shell ("sent data").
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DIR_INPUT = " INPUT"
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# Output means output from fish shell ("received data").
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DIR_OUTPUT = "OUTPUT"
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MODULE = sys.modules[__name__]
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def __init__(self, dir, text, when):
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@ -86,22 +100,14 @@ class Message(object):
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self.when = when
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@staticmethod
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def sent(text, when):
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""" Return a SEND message with the given text. """
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return Message(Message.DIR_SEND, text, when)
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def sent_input(text, when):
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""" Return an input message with the given text. """
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return Message(Message.DIR_INPUT, text, when)
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@staticmethod
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def received(text, when):
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""" Return a RECV message with the given text. """
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return Message(Message.DIR_RECV, text, when)
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def formatted(self):
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""" Return a human-readable string representing this message. """
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etext = escape(self.text)
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timestamp = self.when * 1000.0
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return "{dir} {timestamp:.2f} ({filename}:{lineno}): {etext}".format(
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timestamp=timestamp, etext=etext, **vars(self)
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)
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def received_output(text, when):
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""" Return a output message with the given text. """
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return Message(Message.DIR_OUTPUT, text, when)
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class SpawnedProc(object):
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@ -150,7 +156,7 @@ class SpawnedProc(object):
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"""
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res = self.spawn.send(s)
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when = self.time_since_first_message()
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self.messages.append(Message.sent(s, when))
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self.messages.append(Message.sent_input(s, when))
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return res
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def sendline(self, s):
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@ -161,16 +167,22 @@ class SpawnedProc(object):
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def expect_re(self, pat, pat_desc=None, unmatched=None, **kwargs):
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""" Cover over pexpect.spawn.expect().
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Look through the "new" output of self.spawn until the given pattern is matched.
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Consume all "new" output of self.spawn until the given pattern is matched, or
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the timeout is reached.
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Note that output between the current position and the location of the match is
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consumed as well.
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The pattern is typically a regular expression in string form, but may also be
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any of the types accepted by pexpect.spawn.expect().
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If the 'unmatched' parameter is given,
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If the 'unmatched' parameter is given, it is printed as part of the error message
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of any failure.
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On failure, this prints an error and exits.
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"""
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try:
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res = self.spawn.expect(pat, **kwargs)
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when = self.time_since_first_message()
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self.messages.append(Message.received(self.spawn.match.group(), when))
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self.messages.append(
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Message.received_output(self.spawn.match.group(), when)
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)
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return res
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except pexpect.ExceptionPexpect as err:
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if not pat_desc:
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@ -205,26 +217,72 @@ class SpawnedProc(object):
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If 'unmatched' is set, print it to stdout.
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"""
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colors = self.colors()
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if unmatched:
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print("{BOLD}{unmatched}{RESET}".format(unmatched=unmatched, **colors))
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if isinstance(err, pexpect.EOF):
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msg = "EOF"
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elif isinstance(err, pexpect.TIMEOUT):
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msg = "TIMEOUT"
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else:
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msg = "UNKNOWN"
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failtype = pexpect_error_type(err)
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fmtkeys = {"failtype": failtype, "pat": escape(pat)}
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fmtkeys.update(**colors)
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filename, lineno, code_context = get_callsite()
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print("{RED}Failed to match:{NORMAL} {pat}".format(pat=escape(pat), **colors))
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print(
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"{msg} from {filename}:{lineno}: {code}".format(
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msg=msg, filename=filename, lineno=lineno, code="\n".join(code_context)
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fmtkeys["filename"] = filename
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fmtkeys["lineno"] = lineno
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fmtkeys["code"] = "\n".join(code_context)
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if unmatched:
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print(
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"{RED}Error: {NORMAL}{BOLD}{unmatched}{RESET}".format(
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unmatched=unmatched, **fmtkeys
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)
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)
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print(
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"{RED}Failed to match pattern:{NORMAL} {BOLD}{pat}{RESET}".format(**fmtkeys)
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)
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# Show the last 5 messages.
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for m in self.messages[-5:]:
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print(m.formatted())
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print("Buffer:")
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print(
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"{filename}:{lineno}: {BOLD}{failtype}{RESET} from {code}".format(**fmtkeys)
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)
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print("")
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print("{CYAN}Escaped buffer:{RESET}".format(**colors))
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print(escape(self.spawn.before))
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print("")
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if sys.stdout.isatty():
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print(
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"{CYAN}When written to the tty, this looks like:{RESET}".format(
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**colors
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)
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)
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print("{CYAN}<-------{RESET}".format(**colors))
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sys.stdout.write(self.spawn.before)
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sys.stdout.flush()
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print("{RESET}\n{CYAN}------->{RESET}".format(**colors))
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print("")
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# Show the last 5 messages.
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print("Last 5 messages:")
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delta = None
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for m in self.messages[-5:]:
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etext = escape(m.text)
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timestamp = m.when * 1000.0
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# Use relative timestamps and add a sign.
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# This assumes a max length of 10^10 milliseconds (115 days) for the initial timestamp,
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# and 11.5 days for the delta.
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if delta:
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timestamp -= delta
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timestampstr = "{timestamp:+10.2f} ms".format(timestamp=timestamp)
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else:
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timestampstr = "{timestamp:10.2f} ms".format(timestamp=timestamp)
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delta = m.when * 1000.0
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dir = m.dir
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print(
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"{dir} {timestampstr} (Line {lineno}): {BOLD}{etext}{RESET}".format(
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dir=m.dir,
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timestampstr=timestampstr,
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filename=m.filename,
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lineno=m.lineno,
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etext=etext,
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**colors
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)
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)
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print("")
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sys.exit(1)
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def sleep(self, secs):
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@ -37,6 +37,7 @@ cat interactive.config >>$XDG_CONFIG_HOME/fish/config.fish
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say -o cyan "Testing interactive functionality"
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function test_expect_file
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return
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set -l file $argv[1]
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echo -n "Testing file $file ... "
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set starttime (timestamp)
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@ -2,7 +2,8 @@
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from pexpect_helper import SpawnedProc
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sp = SpawnedProc()
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sp.expect_prompt()
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send, sendline, sleep, expect_prompt = sp.send, sp.sendline, sp.sleep, sp.expect_prompt
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expect_prompt()
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# Fish should start in default-mode (i.e., emacs) bindings. The default escape
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# timeout is 30ms.
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@ -11,261 +12,261 @@ sp.expect_prompt()
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# including none, after the escape character.
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# Start by testing with no delay. This should transpose the words.
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sp.send("echo abc def")
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sp.send("\033t\r")
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sp.expect_prompt("\r\ndef abc\r\n") # emacs transpose words, default timeout: no delay
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send("echo abc def")
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send("\033t\r")
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expect_prompt("\r\ndef abc\r\n") # emacs transpose words, default timeout: no delay
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# Now test with a delay > 0 and < the escape timeout. This should transpose
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# the words.
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sp.send("echo ghi jkl")
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sp.send("\033")
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sp.sleep(0.010)
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sp.send("t\r")
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send("echo ghi jkl")
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send("\033")
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sleep(0.010)
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send("t\r")
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# emacs transpose words, default timeout: short delay
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sp.expect_prompt("\r\njkl ghi\r\n")
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expect_prompt("\r\njkl ghi\r\n")
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# Now test with a delay > the escape timeout. The transposition should not
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# occur and the "t" should become part of the text that is echoed.
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sp.send("echo mno pqr")
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sp.send("\033")
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sp.sleep(0.200)
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sp.send("t\r")
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send("echo mno pqr")
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send("\033")
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sleep(0.200)
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send("t\r")
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# emacs transpose words, default timeout: long delay
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sp.expect_prompt("\r\nmno pqrt\r\n")
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expect_prompt("\r\nmno pqrt\r\n")
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# Now test that exactly the expected bind modes are defined
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sp.sendline("bind --list-modes")
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sp.expect_prompt("\r\ndefault\r\npaste", unmatched="Unexpected bind modes")
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sendline("bind --list-modes")
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expect_prompt("\r\ndefault\r\npaste", unmatched="Unexpected bind modes")
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# Test vi key bindings.
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# This should leave vi mode in the insert state.
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sp.sendline("set -g fish_key_bindings fish_vi_key_bindings")
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sp.expect_prompt()
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sendline("set -g fish_key_bindings fish_vi_key_bindings")
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expect_prompt()
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# Go through a prompt cycle to let fish catch up, it may be slow due to ASAN
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sp.sendline("echo success: default escape timeout")
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sp.expect_prompt(
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sendline("echo success: default escape timeout")
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expect_prompt(
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"\r\nsuccess: default escape timeout", unmatched="prime vi mode, default timeout"
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)
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sp.send("echo fail: default escape timeout")
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sp.send("\033")
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send("echo fail: default escape timeout")
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send("\033")
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# Delay needed to allow fish to transition to vi "normal" mode. The delay is
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# longer than strictly necessary to let fish catch up as it may be slow due to
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# ASAN.
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sp.sleep(0.150)
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sp.send("ddi")
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sp.sendline("echo success: default escape timeout")
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sp.expect_prompt(
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sleep(0.150)
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send("ddi")
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sendline("echo success: default escape timeout")
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expect_prompt(
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"\r\nsuccess: default escape timeout\r\n",
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unmatched="vi replace line, default timeout: long delay",
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)
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# Test replacing a single character.
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sp.send("echo TEXT")
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sp.send("\033")
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send("echo TEXT")
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send("\033")
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# Delay needed to allow fish to transition to vi "normal" mode.
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sp.sleep(0.150)
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sp.send("hhrAi\r")
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sp.expect_prompt(
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sleep(0.150)
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send("hhrAi\r")
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expect_prompt(
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"\r\nTAXT\r\n", unmatched="vi mode replace char, default timeout: long delay"
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)
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# Test deleting characters with 'x'.
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sp.send("echo MORE-TEXT")
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sp.send("\033")
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send("echo MORE-TEXT")
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send("\033")
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# Delay needed to allow fish to transition to vi "normal" mode.
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sp.sleep(0.250)
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sp.send("xxxxx\r")
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sleep(0.250)
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send("xxxxx\r")
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# vi mode delete char, default timeout: long delay
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sp.expect_prompt(
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expect_prompt(
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"\r\nMORE\r\n", unmatched="vi mode delete char, default timeout: long delay"
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)
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# Test jumping forward til before a character with t
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sp.send("echo MORE-TEXT-IS-NICE")
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sp.send("\033")
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send("echo MORE-TEXT-IS-NICE")
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send("\033")
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# Delay needed to allow fish to transition to vi "normal" mode.
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sp.sleep(0.250)
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sp.send("0tTD\r")
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sleep(0.250)
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send("0tTD\r")
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# vi mode forward-jump-till character, default timeout: long delay
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sp.expect_prompt(
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expect_prompt(
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"\r\nMORE\r\n",
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unmatched="vi mode forward-jump-till character, default timeout: long delay",
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)
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# Test jumping backward til before a character with T
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sp.send("echo MORE-TEXT-IS-NICE")
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sp.send("\033")
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send("echo MORE-TEXT-IS-NICE")
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send("\033")
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# Delay needed to allow fish to transition to vi "normal" mode.
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sp.sleep(0.250)
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sp.send("TSD\r")
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sleep(0.250)
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send("TSD\r")
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# vi mode backward-jump-till character, default timeout: long delay
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sp.expect_prompt(
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expect_prompt(
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"\r\nMORE-TEXT-IS\r\n",
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unmatched="vi mode backward-jump-till character, default timeout: long delay",
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)
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# Test jumping backward with F and repeating
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sp.send("echo MORE-TEXT-IS-NICE")
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sp.send("\033")
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send("echo MORE-TEXT-IS-NICE")
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send("\033")
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# Delay needed to allow fish to transition to vi "normal" mode.
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sp.sleep(0.250)
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sp.send("F-;D\r")
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sleep(0.250)
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send("F-;D\r")
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# vi mode backward-jump-to character and repeat, default timeout: long delay
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sp.expect_prompt(
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expect_prompt(
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"\r\nMORE-TEXT\r\n",
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unmatched="vi mode backward-jump-to character and repeat, default timeout: long delay",
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)
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# Test jumping backward with F w/reverse jump
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sp.send("echo MORE-TEXT-IS-NICE")
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sp.send("\033")
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send("echo MORE-TEXT-IS-NICE")
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send("\033")
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# Delay needed to allow fish to transition to vi "normal" mode.
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sp.sleep(0.250)
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sp.send("F-F-,D\r")
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sleep(0.250)
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send("F-F-,D\r")
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# vi mode backward-jump-to character, and reverse, default timeout: long delay
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sp.expect_prompt(
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expect_prompt(
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"\r\nMORE-TEXT-IS\r\n",
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unmatched="vi mode backward-jump-to character, and reverse, default timeout: long delay",
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)
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# Verify that changing the escape timeout has an effect.
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sp.send("set -g fish_escape_delay_ms 200\r")
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sp.expect_prompt()
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send("set -g fish_escape_delay_ms 200\r")
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expect_prompt()
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sp.send("echo fail: lengthened escape timeout")
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sp.send("\033")
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sp.sleep(0.350)
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sp.send("ddi")
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sp.send("echo success: lengthened escape timeout\r")
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send("echo fail: lengthened escape timeout")
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send("\033")
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sleep(0.350)
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send("ddi")
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send("echo success: lengthened escape timeout\r")
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# vi replace line, 200ms timeout: long delay
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sp.expect_prompt(
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expect_prompt(
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"\r\nsuccess: lengthened escape timeout\r\n",
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unmatched="vi replace line, 200ms timeout: long delay",
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)
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# Verify that we don't switch to vi normal mode if we don't wait long enough
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# after sending escape.
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sp.send("echo fail: no normal mode")
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sp.send("\033")
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sp.sleep(0.050)
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sp.send("ddi")
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sp.send("inserted\r")
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send("echo fail: no normal mode")
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send("\033")
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sleep(0.050)
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send("ddi")
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send("inserted\r")
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# vi replace line, 200ms timeout: short delay
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sp.expect_prompt(
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expect_prompt(
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"\r\nfail: no normal modediinserted\r\n",
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unmatched="vi replace line, 200ms timeout: short delay",
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)
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# Test 't' binding that contains non-zero arity function (forward-jump) followed
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# by another function (and) https://github.com/fish-shell/fish-shell/issues/2357
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sp.send("\033")
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sp.sleep(0.300)
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sp.send("ddiecho TEXT\033")
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sp.sleep(0.300)
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sp.send("hhtTrN\r")
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sp.expect_prompt("\r\nTENT\r\n", unmatched="Couldn't find expected output 'TENT'")
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send("\033")
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sleep(0.300)
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send("ddiecho TEXT\033")
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sleep(0.300)
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send("hhtTrN\r")
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expect_prompt("\r\nTENT\r\n", unmatched="Couldn't find expected output 'TENT'")
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# Test '~' (togglecase-char)
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sp.send("\033")
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sp.sleep(0.300)
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sp.send("ccecho some TExT\033")
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sp.sleep(0.300)
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sp.send("hh~~bbve~\r")
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sp.expect_prompt("\r\nSOME TeXT\r\n", unmatched="Couldn't find expected output 'SOME TeXT")
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send("\033")
|
||||
sleep(0.300)
|
||||
send("ccecho some TExT\033")
|
||||
sleep(0.300)
|
||||
send("hh~~bbve~\r")
|
||||
expect_prompt("\r\nSOME TeXT\r\n", unmatched="Couldn't find expected output 'SOME TeXT")
|
||||
|
||||
# Now test that exactly the expected bind modes are defined
|
||||
sp.sendline("bind --list-modes")
|
||||
sp.expect_prompt(
|
||||
sendline("bind --list-modes")
|
||||
expect_prompt(
|
||||
"\r\ndefault\r\ninsert\r\npaste\r\nreplace\r\nreplace_one\r\nvisual\r\n",
|
||||
unmatched="Unexpected vi bind modes",
|
||||
)
|
||||
|
||||
# Switch back to regular (emacs mode) key bindings.
|
||||
sp.sendline("set -g fish_key_bindings fish_default_key_bindings")
|
||||
sp.expect_prompt()
|
||||
sendline("set -g fish_key_bindings fish_default_key_bindings")
|
||||
expect_prompt()
|
||||
|
||||
# Verify the custom escape timeout of 200ms set earlier is still in effect.
|
||||
sp.sendline("echo fish_escape_delay_ms=$fish_escape_delay_ms")
|
||||
sp.expect_prompt(
|
||||
sendline("echo fish_escape_delay_ms=$fish_escape_delay_ms")
|
||||
expect_prompt(
|
||||
"\r\nfish_escape_delay_ms=200\r\n",
|
||||
unmatched="default-mode custom timeout not set correctly",
|
||||
)
|
||||
|
||||
# Set it to 100ms.
|
||||
sp.sendline("set -g fish_escape_delay_ms 100")
|
||||
sp.expect_prompt()
|
||||
sendline("set -g fish_escape_delay_ms 100")
|
||||
expect_prompt()
|
||||
|
||||
# Verify the emacs transpose word (\et) behavior using various delays,
|
||||
# including none, after the escape character.
|
||||
|
||||
# Start by testing with no delay. This should transpose the words.
|
||||
sp.send("echo abc def")
|
||||
sp.send("\033")
|
||||
sp.send("t\r")
|
||||
send("echo abc def")
|
||||
send("\033")
|
||||
send("t\r")
|
||||
# emacs transpose words, 100ms timeout: no delay
|
||||
sp.expect_prompt(
|
||||
expect_prompt(
|
||||
"\r\ndef abc\r\n", unmatched="emacs transpose words fail, 100ms timeout: no delay"
|
||||
)
|
||||
|
||||
# Same test as above but with a slight delay less than the escape timeout.
|
||||
sp.send("echo ghi jkl")
|
||||
sp.send("\033")
|
||||
sp.sleep(0.080)
|
||||
sp.send("t\r")
|
||||
send("echo ghi jkl")
|
||||
send("\033")
|
||||
sleep(0.080)
|
||||
send("t\r")
|
||||
# emacs transpose words, 100ms timeout: short delay
|
||||
sp.expect_prompt(
|
||||
expect_prompt(
|
||||
"\r\njkl ghi\r\n",
|
||||
unmatched="emacs transpose words fail, 100ms timeout: short delay",
|
||||
)
|
||||
|
||||
# Now test with a delay > the escape timeout. The transposition should not
|
||||
# occur and the "t" should become part of the text that is echoed.
|
||||
sp.send("echo mno pqr")
|
||||
sp.send("\033")
|
||||
sp.sleep(0.250)
|
||||
sp.send("t\r")
|
||||
send("echo mno pqr")
|
||||
send("\033")
|
||||
sleep(0.250)
|
||||
send("t\r")
|
||||
# emacs transpose words, 100ms timeout: long delay
|
||||
sp.expect_prompt(
|
||||
expect_prompt(
|
||||
"\r\nmno pqrt\r\n",
|
||||
unmatched="emacs transpose words fail, 100ms timeout: long delay",
|
||||
)
|
||||
|
||||
# Verify special characters, such as \cV, are not intercepted by the kernel
|
||||
# tty driver. Rather, they can be bound and handled by fish.
|
||||
sp.sendline("bind \\cV 'echo ctrl-v seen'")
|
||||
sp.expect_prompt()
|
||||
sp.send("\026\r")
|
||||
sp.expect_prompt("ctrl-v seen", unmatched="ctrl-v not seen")
|
||||
sendline("bind \\cV 'echo ctrl-v seen'")
|
||||
expect_prompt()
|
||||
send("\026\r")
|
||||
expect_prompt("ctrl-v seen", unmatched="ctrl-v not seen")
|
||||
|
||||
sp.send("bind \\cO 'echo ctrl-o seen'\r")
|
||||
sp.expect_prompt()
|
||||
sp.send("\017\r")
|
||||
sp.expect_prompt("ctrl-o seen", unmatched="ctrl-o not seen")
|
||||
send("bind \\cO 'echo ctrl-o seen'\r")
|
||||
expect_prompt()
|
||||
send("\017\r")
|
||||
expect_prompt("ctrl-o seen", unmatched="ctrl-o not seen")
|
||||
|
||||
# \x17 is ctrl-w.
|
||||
sp.send("echo git@github.com:fish-shell/fish-shell")
|
||||
sp.send("\x17\x17\r")
|
||||
sp.expect_prompt("git@github.com:", unmatched="ctrl-w does not stop at :")
|
||||
send("echo git@github.com:fish-shell/fish-shell")
|
||||
send("\x17\x17\r")
|
||||
expect_prompt("git@github.com:", unmatched="ctrl-w does not stop at :")
|
||||
|
||||
sp.send("echo git@github.com:fish-shell/fish-shell")
|
||||
sp.send("\x17\x17\x17\r")
|
||||
sp.expect_prompt("git@", unmatched="ctrl-w does not stop at @")
|
||||
send("echo git@github.com:fish-shell/fish-shell")
|
||||
send("\x17\x17\x17\r")
|
||||
expect_prompt("git@", unmatched="ctrl-w does not stop at @")
|
||||
|
||||
# Ensure that nul can be bound properly (#3189).
|
||||
sp.send("bind -k nul 'echo nul seen'\r")
|
||||
sp.expect_prompt
|
||||
sp.send("\0" * 3)
|
||||
sp.send("\r")
|
||||
sp.expect_prompt("nul seen\r\nnul seen\r\nnul seen", unmatched="nul not seen")
|
||||
send("bind -k nul 'echo nul seen'\r")
|
||||
expect_prompt
|
||||
send("\0" * 3)
|
||||
send("\r")
|
||||
expect_prompt("nul seen\r\nnul seen\r\nnul seen", unmatched="nul not seen")
|
||||
|
||||
# Test self-insert-notfirst. (#6603)
|
||||
# Here the leading 'q's should be stripped, but the trailing ones not.
|
||||
sp.sendline("bind q self-insert-notfirst")
|
||||
sp.expect_prompt()
|
||||
sp.sendline("qqqecho qqq")
|
||||
sp.expect_prompt("qqq", unmatched="Leading qs not stripped")
|
||||
sendline("bind q self-insert-notfirst")
|
||||
expect_prompt()
|
||||
sendline("qqqecho qqq")
|
||||
expect_prompt("qqq", unmatched="Leading qs not stripped")
|
||||
|
|
|
|||
|
|
@ -2,27 +2,29 @@
|
|||
from pexpect_helper import SpawnedProc
|
||||
|
||||
sp = SpawnedProc()
|
||||
sp.expect_prompt()
|
||||
sp.sendline("function echo_wrap ; /bin/echo $argv ; sleep 0.1; end")
|
||||
sp.expect_prompt()
|
||||
sendline, expect_prompt = sp.sendline, sp.expect_prompt
|
||||
|
||||
expect_prompt()
|
||||
sendline("function echo_wrap ; /bin/echo $argv ; sleep 0.1; end")
|
||||
expect_prompt()
|
||||
|
||||
for i in range(5):
|
||||
sp.sendline(
|
||||
sendline(
|
||||
"echo_wrap 1 2 3 4 | $fish_test_helper become_foreground_then_print_stderr ; or exit 1"
|
||||
)
|
||||
sp.expect_prompt("become_foreground_then_print_stderr done")
|
||||
expect_prompt("become_foreground_then_print_stderr done")
|
||||
|
||||
# 'not' because we expect to have no jobs, in which case `jobs` will return false
|
||||
sp.sendline("not jobs")
|
||||
sp.expect_prompt("jobs: There are no jobs")
|
||||
sendline("not jobs")
|
||||
expect_prompt("jobs: There are no jobs")
|
||||
|
||||
sp.sendline("function inner ; command true ; end; function outer; inner; end")
|
||||
sp.expect_prompt()
|
||||
sendline("function inner ; command true ; end; function outer; inner; end")
|
||||
expect_prompt()
|
||||
for i in range(5):
|
||||
sp.sendline(
|
||||
sendline(
|
||||
"outer | $fish_test_helper become_foreground_then_print_stderr ; or exit 1"
|
||||
)
|
||||
sp.expect_prompt("become_foreground_then_print_stderr done")
|
||||
expect_prompt("become_foreground_then_print_stderr done")
|
||||
|
||||
sp.sendline("not jobs")
|
||||
sp.expect_prompt("jobs: There are no jobs", unmatched="Should be no jobs")
|
||||
sendline("not jobs")
|
||||
expect_prompt("jobs: There are no jobs", unmatched="Should be no jobs")
|
||||
|
|
|
|||
Loading…
Reference in a new issue