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2c870b305d
This particular variant must be executed as a pexpect test since it relies on the interactive-only `$history` to trigger the recursion. Note that recursion is possible via other means (e.g. reading/writing a file), the usage of history here is just one such example.
34 lines
837 B
Python
34 lines
837 B
Python
#!/usr/bin/env python3
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from pexpect_helper import SpawnedProc
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import re
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import os
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import platform
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import sys
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sp = SpawnedProc()
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send, sendline, sleep, expect_prompt, expect_re, expect_str = (
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sp.send,
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sp.sendline,
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sp.sleep,
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sp.expect_prompt,
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sp.expect_re,
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sp.expect_str,
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)
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expect_prompt()
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sendline("echo cat dog")
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expect_prompt("cat dog")
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sendline("eval (string replace dog tiger -- $history[1])")
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expect_prompt("cat tiger")
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sendline("eval (string replace dog tiger -- $history[1])")
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expect_re("fish: The call stack limit has been exceeded.*"
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+ "\r\nin command substitution"
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+ "\r\nfish: Unable to evaluate string substitution"
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+ re.escape("\r\neval (string replace dog tiger -- $history[1])")
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+ "\r\n *\^~+\^\w*")
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expect_prompt()
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sendline("\x04") # <c-d>
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sys.exit(0)
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