mirror of
https://github.com/fish-shell/fish-shell
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4b9fece9f4
Introduce a "fish_escape_delay_ms" variable to allow the user to configure the delay used when seeing a bare escape before assuming no other characters will be received that might match a bound character sequence. This is primarily useful for vi mode so that a bare escape character (i.e., keystroke) can switch to vi "insert" to "normal" mode in a timely fashion.
125 lines
4 KiB
Text
125 lines
4 KiB
Text
# vim: set filetype=expect:
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spawn $fish
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expect_prompt
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# Test switching key bindings to vi mode. This should leave the mode in the
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# appropriate state (i.e., insert mode). These initial tests assume the
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# default escape timeout of 500ms is in effect.
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send "set -g fish_key_bindings fish_vi_key_bindings\r"
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expect_prompt
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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.
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sleep 0.510
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send "ddi"
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send "echo success: default escape timeout\r"
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expect_prompt -re {\r\nsuccess: default escape timeout\r\n} {
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puts "vi replace line: default escape timeout"
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} -nounmatched -re {\r\nfail} {
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puts stderr "vi replace line fail: default escape timeout"
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} unmatched {
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puts stderr "couldn't find expected output: replace line, default escape timeout"
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}
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# Verify that a human can transpose words using \et (which is an emacs default
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# binding but should be valid while in vi insert mode).
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send "echo abc def"
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send "\033"
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# Fish should still be in vi insert mode after this delay to simulate a slow
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# typist.
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sleep 0.400
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send "t\r"
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expect_prompt -re {\r\ndef abc\r\n} {
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puts "vi transpose words: default escape timeout"
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} unmatched {
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puts stderr "vi transpose words fail: default escape timeout"
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}
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# Test replacing a single character.
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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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sleep 0.510
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send "hhrAi\r"
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expect_prompt -re {\r\nTAXT\r\n} {
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puts "vi mode replace: default escape timeout"
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} -nounmatched -re {\r\nfail} {
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puts stderr "vi mode replace fail: default escape timeout"
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} unmatched {
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puts stderr "couldn't find expected output 'TAXT': default escape timeout"
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}
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# Verify that changing the escape timeout has an effect. The vi key bindings
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# should still be in effect.
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send "set -g fish_escape_delay_ms 100\r"
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expect_prompt
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send "echo fail: shortened escape timeout"
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send "\033"
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sleep 0.110
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send "ddi"
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send "echo success: shortened escape timeout\r"
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expect_prompt -re {\r\nsuccess: shortened escape timeout\r\n} {
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puts "vi replace line: shortened escape timeout"
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} -nounmatched -re {\r\nfail} {
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puts stderr "vi replace line fail: shortened escape timeout"
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} unmatched {
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puts stderr "couldn't find expected output: replace_line, shortened escape timeout"
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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. The vi key bindings should still be in effect.
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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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expect_prompt -re {\r\nfail: no normal modediinserted\r\n} {
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puts "vi normal mode: shortened escape timeout"
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} -nounmatched -re {\r\nfail} {
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puts stderr "vi normal mode fail: shortened escape timeout"
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} unmatched {
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puts stderr "couldn't find expected output: no normal mode"
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}
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# Switch back to regular (emacs mode) key bindings.
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send "set -g fish_key_bindings fish_default_key_bindings\r"
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expect_prompt
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# Verify the emacs transpose word (\et) behavior using various delays,
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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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send "echo abc def"
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send "\033t\r"
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expect_prompt -re {\r\ndef abc\r\n} {
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puts "emacs transpose words: no escape delay"
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} unmatched {
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puts stderr "emacs transpose words fail: no escape delay"
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}
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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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send "set -g fish_escape_delay_ms 100\r"
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expect_prompt
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send "echo ghi jkl"
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send "\033"
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sleep 0.050
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send "t\r"
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expect_prompt -re {\r\njkl ghi\r\n} {
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puts "emacs transpose words: short escape delay"
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} unmatched {
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puts stderr "emacs transpose words fail: short escape delay"
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}
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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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send "echo mno pqr"
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send "\033"
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sleep 0.110
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send "t\r"
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expect_prompt -re {\r\nmno pqrt\r\n} {
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puts "emacs transpose words: long escape delay"
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} unmatched {
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puts stderr "emacs transpose words fail: long escape delay"
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}
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