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https://github.com/fish-shell/fish-shell
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073334f307
Because TERM was set to something other than 'dumb', we were subject to syntax highlighting and other interactive features that would affect the output. In practice we were getting lucky timing-wise, but with upcoming interactive changes syntax highlighting started to fail this test.
134 lines
4.5 KiB
Python
134 lines
4.5 KiB
Python
#!/usr/bin/env python3
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# This is a very fragile test. Sorry about that. But interactively entering
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# commands and verifying they are recorded correctly in the interactive
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# history and that history can be manipulated is inherently difficult.
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#
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# This is meant to verify just a few of the most basic behaviors of the
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# interactive history to hopefully keep regressions from happening. It is not
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# meant to be a comprehensive test of the history subsystem. Those types of
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# tests belong in the src/fish_tests.cpp module.
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#
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# The history function might pipe output through the user's pager. We don't
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# want something like `less` to complicate matters so force the use of `cat`.
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from pexpect_helper import SpawnedProc
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import os
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os.environ["PAGER"] = "cat"
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sp = SpawnedProc(env=os.environ.copy())
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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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# ==========
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# Start by ensuring we're not affected by earlier tests. Clear the history.
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sendline("builtin history clear")
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expect_prompt()
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# ==========
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# The following tests verify the behavior of the history builtin.
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# ==========
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# ==========
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# List our history which should be empty after just clearing it.
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sendline("echo start1; builtin history; echo end1")
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expect_prompt("start1\r\nend1\r\n")
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# Our history should now contain the previous command and nothing else.
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sendline("echo start2; builtin history; echo end2")
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expect_prompt("start2\r\necho start1; builtin history; echo end1\r\nend2\r\n")
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# ==========
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# The following tests verify the behavior of the history function.
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# ==========
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# ==========
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# Verify explicit searching for the first two commands in the previous tests
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# returns the expected results.
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sendline("history search --reverse 'echo start' | cat")
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expect_prompt("echo start1;.*\r\necho start2;")
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# ==========
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# Verify searching is the implicit action.
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sendline("history -p 'echo start'")
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expect_prompt("echo start2.*\r\necho start1")
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# ==========
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# Verify searching with a request for timestamps includes the timestamps.
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sendline("history search --show-time='# %F %T%n' --prefix 'echo start'")
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expect_prompt(
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"# \d\d\d\d-\d\d-\d\d \d\d:\d\d:\d\d\r\necho start2; .*\r\n# \d\d\d\d-\d\d-\d\d \d\d:\d\d:\d\d\r\necho start1;"
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)
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# ==========
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# Verify explicit searching for an exact command returns just that command.
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# returns the expected results.
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sendline("echo hello")
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expect_prompt()
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sendline("echo goodbye")
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expect_prompt()
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sendline("echo hello again")
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expect_prompt()
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sendline("echo hello AGAIN")
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expect_prompt()
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sendline("history search --exact 'echo goodbye' | cat")
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expect_prompt("echo goodbye\r\n")
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sendline("history search --exact 'echo hello' | cat")
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expect_prompt("echo hello\r\n")
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# This is slightly subtle in that it shouldn't actually match anything between
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# the command we sent and the next prompt.
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sendline("history search --exact 'echo hell' | cat")
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expect_prompt("history search --exact 'echo hell' | cat\r\n")
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# Verify that glob searching works.
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sendline("history search --prefix 'echo start*echo end' | cat")
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expect_prompt("echo start1; builtin history; echo end1\r\n")
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# ==========
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# Delete a single command we recently ran.
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sendline("history delete -e -C 'echo hello'")
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expect_str("history delete -e -C 'echo hello'\r\n")
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sendline("echo count hello (history search -e -C 'echo hello' | wc -l | string trim)")
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expect_re("count hello 0\r\n")
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# ==========
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# Interactively delete one of multiple matched commands. This verifies that we
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# delete the first entry matched by the prefix search (the most recent command
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# sent above that matches).
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sendline("history delete -p 'echo hello'")
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expect_re("history delete -p 'echo hello'\r\n")
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expect_re("\[1\] echo hello AGAIN\r\n")
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expect_re("\[2\] echo hello again\r\n\r\n")
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expect_re(
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'Enter nothing to cancel.*\r\nEnter "all" to delete all the matching entries\.\r\n'
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)
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expect_re("Delete which entries\? >")
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sendline("1")
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expect_re('Deleting history entry 1: "echo hello AGAIN"\r\n')
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# Verify that the deleted history entry is gone and the other one that matched
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# the prefix search above is still there.
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sendline(
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"echo count AGAIN (history search -e -C 'echo hello AGAIN' | wc -l | string trim)"
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)
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expect_re("count AGAIN 0\r\n")
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sendline(
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"echo count again (history search -e -C 'echo hello again' | wc -l | string trim)"
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)
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expect_re("count again 1\r\n")
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# Verify that the $history var has the expected content.
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sendline("echo history2=$history\[2\]")
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expect_re("history2=echo count AGAIN .*\r\n")
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