mirror of
https://github.com/fish-shell/fish-shell.git
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800 lines
18 KiB
Fish
800 lines
18 KiB
Fish
#RUN: %fish %s
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# Tests for string builtin. Mostly taken from man page examples.
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string match -r -v "c.*" dog can cat diz; and echo "exit 0"
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# CHECK: dog
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# CHECK: diz
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# CHECK: exit 0
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string match -q -r -v "c.*" dog can cat diz; and echo "exit 0"
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# CHECK: exit 0
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string match -v "c*" dog can cat diz; and echo "exit 0"
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# CHECK: dog
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# CHECK: diz
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# CHECK: exit 0
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string match -q -v "c*" dog can cat diz; and echo "exit 0"
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# CHECK: exit 0
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string match -v "d*" dog dan dat diz; or echo "exit 1"
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# CHECK: exit 1
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string match -q -v "d*" dog dan dat diz; or echo "exit 1"
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# CHECK: exit 1
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string match -r -v x y; and echo "exit 0"
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# CHECK: y
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# CHECK: exit 0
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string match -r -v x x; or echo "exit 1"
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# CHECK: exit 1
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string match -q -r -v x y; and echo "exit 0"
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# CHECK: exit 0
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string match -q -r -v x x; or echo "exit 1"
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# CHECK: exit 1
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string length "hello, world"
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# CHECK: 12
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string length -q ""; and echo not zero length; or echo zero length
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# CHECK: zero length
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string pad foo
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# CHECK: foo
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string pad -r -w 7 -c - foo
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# CHECK: foo----
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string pad --width 7 -c '=' foo
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# CHECK: ====foo
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echo \|(string pad --width 10 --right foo)\|
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# CHECK: |foo |
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begin
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set -l fish_emoji_width 2
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# Pad string with multi-width emoji.
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string pad -w 4 -c . 🐟
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# CHECK: ..🐟
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# Pad with multi-width character.
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string pad -w 3 -c 🐟 .
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# CHECK: 🐟.
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# Multi-width pad with remainder, complemented with a space.
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string pad -w 4 -c 🐟 . ..
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# CHECK: 🐟 .
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# CHECK: 🐟..
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end
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# Pad to the maximum length.
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string pad -c . long longer longest
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# CHECK: ...long
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# CHECK: .longer
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# CHECK: longest
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# This tests current behavior where the max width of an argument overrules
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# the width parameter. This could be changed if needed.
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string pad -c_ --width 5 longer-than-width-param x
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# CHECK: longer-than-width-param
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# CHECK: ______________________x
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# Current behavior is that only a single padding character is supported.
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# We can support longer strings in future without breaking compatibilty.
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string pad -c ab -w4 .
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# CHECKERR: string pad: Padding should be a character 'ab'
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# Visible length. Let's start off simple, colors are ignored:
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string length --visible (set_color red)abc
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# CHECK: 3
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begin
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set -l fish_emoji_width 2
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# This should print the emoji width
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string length --visible . 🥁
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# CHECK: 1
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# CHECK: 2
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set -l fish_emoji_width 1
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string length --visible . 🥁
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# CHECK: 1
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# CHECK: 1
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end
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# Only the longest run between carriage returns is kept because the rest is overwritten.
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string length --visible (set_color normal)abcdef\rfooba(set_color red)raaa
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# (foobaraaa)
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# CHECK: 9
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# Visible length is *always* split by line
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string length --visible a(set_color blue)b\ncde
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# CHECK: 2
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# CHECK: 3
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# Backslashes and visible length:
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# It can't move us before the start of the line.
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string length --visible \b
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# CHECK: 0
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# It can't move us before the start of the line.
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string length --visible \bf
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# CHECK: 1
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# But it does erase chars before.
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string length --visible \bf\b
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# CHECK: 0
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# Never move past 0.
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string length --visible \bf\b\b\b\b\b
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# CHECK: 0
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string sub --length 2 abcde
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# CHECK: ab
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string sub -s 2 -l 2 abcde
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# CHECK: bc
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string sub --start=-2 abcde
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# CHECK: de
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string sub --end=3 abcde
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# CHECK: abc
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string sub --end=-4 abcde
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# CHECK: a
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string sub --start=2 --end=-2 abcde
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# CHECK: bc
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string sub -s -5 -e -2 abcdefgh
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# CHECK: def
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string sub -s -100 -e -2 abcde
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# CHECK: abc
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string sub -s -5 -e 2 abcde
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# CHECK: ab
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string sub -s -50 -e -100 abcde
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# CHECK:
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string sub -s 2 -e -5 abcde
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# CHECK:
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string split . example.com
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# CHECK: example
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# CHECK: com
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string split -r -m1 / /usr/local/bin/fish
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# CHECK: /usr/local/bin
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# CHECK: fish
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string split "" abc
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# CHECK: a
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# CHECK: b
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# CHECK: c
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string split --fields=2 "" abc
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# CHECK: b
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string split --fields=3,2 "" abc
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# CHECK: c
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# CHECK: b
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string split --fields=2,9 "" abc; or echo "exit 1"
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# CHECK: exit 1
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string split --fields=1-3,5,9-7 "" 123456789
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# CHECK: 1
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# CHECK: 2
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# CHECK: 3
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# CHECK: 5
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# CHECK: 9
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# CHECK: 8
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# CHECK: 7
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string split -f1 ' ' 'a b' 'c d'
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# CHECK: a
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# CHECK: c
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string split --allow-empty --fields=2,9 "" abc
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# CHECK: b
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seq 3 | string join ...
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# CHECK: 1...2...3
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string trim " abc "
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# CHECK: abc
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string trim --right --chars=yz xyzzy zany
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# CHECK: x
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# CHECK: zan
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echo \x07 | string escape
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# CHECK: \cg
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string escape --style=script 'a b#c"\'d'
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# CHECK: a\ b\#c\"\'d
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string escape --style=url 'a b#c"\'d'
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# CHECK: a%20b%23c%22%27d
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string escape --style=url \na\nb%c~d\n
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# CHECK: %0Aa%0Ab%25c~d%0A
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string escape --style=var 'a b#c"\'d'
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# CHECK: a_20_b_23_c_22_27_d
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string escape --style=var a\nghi_
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# CHECK: a_0A_ghi__
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string escape --style=var abc
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# CHECK: abc
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string escape --style=var _a_b_c_
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# CHECK: __a__b__c__
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string escape --style=var -- -
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# CHECK: _2D_
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# string escape with multibyte chars
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string escape --style=url aöb
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string escape --style=url 中
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string escape --style=url aöb | string unescape --style=url
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string escape --style=url 中 | string unescape --style=url
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string escape --style=var aöb
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string escape --style=var 中
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string escape --style=var aöb | string unescape --style=var
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string escape --style=var 中 | string unescape --style=var
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# CHECK: a%C3%B6b
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# CHECK: %E4%B8%AD
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# CHECK: aöb
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# CHECK: 中
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# CHECK: a_C3_B6_b
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# CHECK: _E4_B8_AD_
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# CHECK: aöb
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# CHECK: 中
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# test regex escaping
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string escape --style=regex ".ext"
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string escape --style=regex "bonjour, amigo"
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string escape --style=regex "^this is a literal string"
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# CHECK: \.ext
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# CHECK: bonjour, amigo
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# CHECK: \^this is a literal string
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### Verify that we can correctly unescape the same strings
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# we tested escaping above.
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set x (string unescape (echo \x07 | string escape))
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test $x = \x07
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and echo success
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# CHECK: success
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string unescape --style=script (string escape --style=script 'a b#c"\'d')
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# CHECK: a b#c"'d
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string unescape --style=url (string escape --style=url 'a b#c"\'d')
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# CHECK: a b#c"'d
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string unescape --style=url (string escape --style=url \na\nb%c~d\n)
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# CHECK:
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# CHECK: a
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# CHECK: b%c~d
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string unescape --style=var (string escape --style=var 'a b#c"\'d')
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# CHECK: a b#c"'d
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string unescape --style=var (string escape --style=var a\nghi_)
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# CHECK: a
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# CHECK: ghi_
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string unescape --style=var (string escape --style=var 'abc')
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# CHECK: abc
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string unescape --style=var (string escape --style=var '_a_b_c_')
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# CHECK: _a_b_c_
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string unescape --style=var -- (string escape --style=var -- -)
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# CHECK: -
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### Verify that we can correctly match strings.
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string match "*" a
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# CHECK: a
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string match "a*b" axxb
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# CHECK: axxb
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string match -i "a**B" Axxb
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# CHECK: Axxb
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echo "ok?" | string match "*?"
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# CHECK: ok?
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string match -r "cat|dog|fish" "nice dog"
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# CHECK: dog
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string match -r "(\d\d?):(\d\d):(\d\d)" 2:34:56
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# CHECK: 2:34:56
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# CHECK: 2
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# CHECK: 34
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# CHECK: 56
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string match -r "^(\w{2,4})\g1\$" papa mud murmur
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# CHECK: papa
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# CHECK: pa
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# CHECK: murmur
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# CHECK: mur
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string match -r -a -n at ratatat
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# CHECK: 2 2
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# CHECK: 4 2
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# CHECK: 6 2
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string match -r -i "0x[0-9a-f]{1,8}" "int magic = 0xBadC0de;"
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# CHECK: 0xBadC0de
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string replace is was "blue is my favorite"
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# CHECK: blue was my favorite
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string replace 3rd last 1st 2nd 3rd
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# CHECK: 1st
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# CHECK: 2nd
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# CHECK: last
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string replace -a " " _ "spaces to underscores"
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# CHECK: spaces_to_underscores
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string replace -r -a "[^\d.]+" " " "0 one two 3.14 four 5x"
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# CHECK: 0 3.14 5
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string replace -r "(\w+)\s+(\w+)" "\$2 \$1 \$\$" "left right"
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# CHECK: right left $
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string replace -r "\s*newline\s*" "\n" "put a newline here"
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# CHECK: put a
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# CHECK: here
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string replace -r -a "(\w)" "\$1\$1" ab
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# CHECK: aabb
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string replace --filter x X abc axc x def jkx
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or echo Unexpected exit status at line (status --current-line-number)
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# CHECK: aXc
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# CHECK: X
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# CHECK: jkX
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string replace --filter y Y abc axc x def jkx
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and echo Unexpected exit status at line (status --current-line-number)
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string replace --regex -f "\d" X 1bc axc 2 d3f jk4 xyz
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or echo Unexpected exit status at line (status --current-line-number)
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# CHECK: Xbc
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# CHECK: X
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# CHECK: dXf
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# CHECK: jkX
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string replace --regex -f Z X 1bc axc 2 d3f jk4 xyz
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and echo Unexpected exit status at line (status --current-line-number)
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# From https://github.com/fish-shell/fish-shell/issues/5201
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# 'string match -r with empty capture groups'
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string match -r '^([ugoa]*)([=+-]?)([rwx]*)$' '=r'
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#CHECK: =r
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#CHECK:
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#CHECK: =
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#CHECK: r
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### Test some failure cases
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string match -r "[" "a[sd"; and echo "unexpected exit 0"
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# CHECKERR: string match: Regular expression compile error: missing terminating ] for character class
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# CHECKERR: string match: [
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# CHECKERR: string match: ^
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# FIXME: This prints usage summary?
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#string invalidarg; and echo "unexpected exit 0"
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# DONTCHECKERR: string: Subcommand 'invalidarg' is not valid
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string length; or echo "missing argument returns 1"
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# CHECK: missing argument returns 1
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string match -r -v "[dcantg].*" dog can cat diz; or echo "no regexp invert match"
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# CHECK: no regexp invert match
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string match -v "*" dog can cat diz; or echo "no glob invert match"
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# CHECK: no glob invert match
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string match -rvn a bbb; or echo "exit 1"
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# CHECK: 1 3
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### Test repeat subcommand
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string repeat -n 2 foo
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# CHECK: foofoo
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string repeat --count 2 foo
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# CHECK: foofoo
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echo foo | string repeat -n 2
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# CHECK: foofoo
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string repeat -n2 -q foo; and echo "exit 0"
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# CHECK: exit 0
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string repeat -n2 --quiet foo; and echo "exit 0"
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# CHECK: exit 0
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string repeat -n0 foo; or echo "exit 1"
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# CHECK: exit 1
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string repeat -n0; or echo "exit 1"
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# CHECK: exit 1
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string repeat -m0; or echo "exit 1"
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# CHECK: exit 1
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string repeat -n1 -N "there is "
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echo "no newline"
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# CHECK: there is no newline
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string repeat -n1 --no-newline "there is "
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echo "no newline"
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# CHECK: there is no newline
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string repeat -n10 -m4 foo
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# CHECK: foof
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string repeat -n10 --max 5 foo
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# CHECK: foofo
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string repeat -n3 -m20 foo
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# CHECK: foofoofoo
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string repeat -m4 foo
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# CHECK: foof
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string repeat -n 5 a b c
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# CHECK: aaaaa
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# CHECK: bbbbb
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# CHECK: ccccc
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string repeat -n 5 --max 4 123 456 789
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# CHECK: 1231
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# CHECK: 4564
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# CHECK: 7897
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string repeat -n 5 --max 4 123 '' 789
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# CHECK: 1231
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# CHECK:
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# CHECK: 7897
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# Historical string repeat behavior is no newline if no output.
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echo -n before
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string repeat -n 5 ''
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echo after
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# CHECK: beforeafter
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string repeat -n-1 foo; and echo "exit 0"
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# CHECKERR: string repeat: Invalid count value '-1'
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string repeat -m-1 foo; and echo "exit 0"
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# CHECKERR: string repeat: Invalid max value '-1'
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string repeat -n notanumber foo; and echo "exit 0"
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# CHECKERR: string repeat: notanumber: invalid integer
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string repeat -m notanumber foo; and echo "exit 0"
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# CHECKERR: string repeat: notanumber: invalid integer
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echo stdin | string repeat -n1 "and arg"; and echo "exit 0"
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# CHECKERR: string repeat: too many arguments
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string repeat -n; and echo "exit 0"
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# CHECKERR: string repeat: -n: option requires an argument
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# FIXME: Also triggers usage
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# string repeat -l fakearg
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# DONTCHECKERR: string repeat: Unknown option '-l'
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string repeat ""
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or echo string repeat empty string failed
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# CHECK: string repeat empty string failed
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string repeat -n3 ""
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or echo string repeat empty string failed
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# CHECK: string repeat empty string failed
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# Test equivalent matches with/without the --entire, --regex, and --invert flags.
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string match -e x abc dxf xyz jkx x z
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or echo exit 1
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# CHECK: dxf
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# CHECK: xyz
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# CHECK: jkx
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# CHECK: x
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string match x abc dxf xyz jkx x z
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# CHECK: x
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string match --entire -r "a*b[xy]+" abc abxc bye aaabyz kaabxz abbxy abcx caabxyxz
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or echo exit 1
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# CHECK: abxc
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# CHECK: bye
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# CHECK: aaabyz
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# CHECK: kaabxz
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# CHECK: abbxy
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# CHECK: caabxyxz
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# 'string match --entire "" -- banana'
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string match --entire "" -- banana
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or echo exit 1
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# CHECK: banana
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# 'string match -r "a*b[xy]+" abc abxc bye aaabyz kaabxz abbxy abcx caabxyxz'
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string match -r "a*b[xy]+" abc abxc bye aaabyz kaabxz abbxy abcx caabxyxz
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or echo exit 1
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# CHECK: abx
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# CHECK: by
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# CHECK: aaaby
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# CHECK: aabx
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# CHECK: bxy
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# CHECK: aabxyx
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# Make sure that groups are handled correct with/without --entire.
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# 'string match --entire -r "a*b([xy]+)" abc abxc bye aaabyz kaabxz abbxy abcx caabxyxz'
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string match --entire -r "a*b([xy]+)" abc abxc bye aaabyz kaabxz abbxy abcx caabxyxz
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or echo exit 1
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# CHECK: abxc
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# CHECK: x
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# CHECK: bye
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# CHECK: y
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# CHECK: aaabyz
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# CHECK: y
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# CHECK: kaabxz
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# CHECK: x
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# CHECK: abbxy
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# CHECK: xy
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# CHECK: caabxyxz
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# CHECK: xyx
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# 'string match -r "a*b([xy]+)" abc abxc bye aaabyz kaabxz abbxy abcx caabxyxz'
|
|
string match -r "a*b([xy]+)" abc abxc bye aaabyz kaabxz abbxy abcx caabxyxz
|
|
or echo exit 1
|
|
# CHECK: abx
|
|
# CHECK: x
|
|
# CHECK: by
|
|
# CHECK: y
|
|
# CHECK: aaaby
|
|
# CHECK: y
|
|
# CHECK: aabx
|
|
# CHECK: x
|
|
# CHECK: bxy
|
|
# CHECK: xy
|
|
# CHECK: aabxyx
|
|
# CHECK: xyx
|
|
|
|
# Test `string lower` and `string upper`.
|
|
set x (string lower abc DEF gHi)
|
|
or echo string lower exit 1
|
|
test $x[1] = abc -a $x[2] = def -a $x[3] = ghi
|
|
or echo strings not converted to lowercase
|
|
|
|
set x (echo abc DEF gHi | string lower)
|
|
or echo string lower exit 1
|
|
test $x[1] = 'abc def ghi'
|
|
or echo strings not converted to lowercase
|
|
|
|
string lower -q abc
|
|
and echo lowercasing a lowercase string did not fail as expected
|
|
|
|
set x (string upper abc DEF gHi)
|
|
or echo string upper exit 1
|
|
test $x[1] = ABC -a $x[2] = DEF -a $x[3] = GHI
|
|
or echo strings not converted to uppercase
|
|
|
|
set x (echo abc DEF gHi | string upper)
|
|
or echo string upper exit 1
|
|
test $x[1] = 'ABC DEF GHI'
|
|
or echo strings not converted to uppercase
|
|
|
|
string upper -q ABC DEF
|
|
and echo uppercasing a uppercase string did not fail as expected
|
|
|
|
# 'Check NUL'
|
|
# Note: We do `string escape` at the end to make a `\0` literal visible.
|
|
printf 'a\0b' | string escape
|
|
printf 'a\0c' | string match -e a | string escape
|
|
printf 'a\0d' | string split '' | string escape
|
|
printf 'a\0b' | string match -r '.*b$' | string escape
|
|
printf 'a\0b' | string replace b g | string escape
|
|
printf 'a\0b' | string replace -r b g | string escape
|
|
# TODO: These do not yet work!
|
|
# printf 'a\0b' | string match '*b' | string escape
|
|
# CHECK: a\x00b
|
|
# CHECK: a\x00c
|
|
# CHECK: a
|
|
# CHECK: \x00
|
|
# CHECK: d
|
|
# CHECK: a\x00b
|
|
# CHECK: a\x00g
|
|
# CHECK: a\x00g
|
|
|
|
# string split0
|
|
count (echo -ne 'abcdefghi' | string split0)
|
|
# CHECK: 1
|
|
count (echo -ne 'abc\x00def\x00ghi\x00' | string split0)
|
|
# CHECK: 3
|
|
count (echo -ne 'abc\x00def\x00ghi\x00\x00' | string split0)
|
|
# CHECK: 4
|
|
count (echo -ne 'abc\x00def\x00ghi' | string split0)
|
|
# CHECK: 3
|
|
count (echo -ne 'abc\ndef\x00ghi\x00' | string split0)
|
|
# CHECK: 2
|
|
count (echo -ne 'abc\ndef\nghi' | string split0)
|
|
# CHECK: 1
|
|
# #5701 - split0 always returned 1
|
|
echo -ne 'a\x00b' | string split0
|
|
and echo Split something
|
|
# CHECK: a
|
|
# CHECK: b
|
|
# CHECK: Split something
|
|
|
|
# string join0
|
|
set tmp beta alpha\ngamma
|
|
count (string join \n $tmp)
|
|
# CHECK: 3
|
|
count (string join0 $tmp)
|
|
# CHECK: 2
|
|
count (string join0 $tmp | string split0)
|
|
# CHECK: 2
|
|
|
|
# string split0 in functions
|
|
# This function outputs some newline-separated content, and some
|
|
# explicitly separated content.
|
|
function dualsplit
|
|
echo alpha
|
|
echo beta
|
|
echo -ne 'gamma\x00delta' | string split0
|
|
end
|
|
count (dualsplit)
|
|
# CHECK: 4
|
|
|
|
# Ensure we handle empty outputs correctly (#5987)
|
|
count (string split / /)
|
|
# CHECK: 2
|
|
count (echo -ne '\x00\x00\x00' | string split0)
|
|
# CHECK: 3
|
|
|
|
# string collect
|
|
count (echo one\ntwo\nthree\nfour | string collect)
|
|
count (echo one | string collect)
|
|
# CHECK: 1
|
|
# CHECK: 1
|
|
echo [(echo one\ntwo\nthree | string collect)]
|
|
# CHECK: [one
|
|
# CHECK: two
|
|
# CHECK: three]
|
|
echo [(echo one\ntwo\nthree | string collect -N)]
|
|
# CHECK: [one
|
|
# CHECK: two
|
|
# CHECK: three
|
|
# CHECK: ]
|
|
printf '[%s]\n' (string collect one\n\n two\n)
|
|
# CHECK: [one]
|
|
# CHECK: [two]
|
|
printf '[%s]\n' (string collect -N one\n\n two\n)
|
|
# CHECK: [one
|
|
# CHECK:
|
|
# CHECK: ]
|
|
# CHECK: [two
|
|
# CHECK: ]
|
|
printf '[%s]\n' (string collect --no-trim-newlines one\n\n two\n)
|
|
# CHECK: [one
|
|
# CHECK:
|
|
# CHECK: ]
|
|
# CHECK: [two
|
|
# CHECK: ]
|
|
# string collect returns 0 when it has any output, otherwise 1
|
|
string collect >/dev/null; and echo unexpected success; or echo expected failure
|
|
# CHECK: expected failure
|
|
echo -n | string collect >/dev/null; and echo unexpected success; or echo expected failure
|
|
# CHECK: expected failure
|
|
echo | string collect -N >/dev/null; and echo expected success; or echo unexpected failure
|
|
# CHECK: expected success
|
|
echo | string collect >/dev/null; and echo unexpected success; or echo expected failure
|
|
# CHECK: expected failure
|
|
string collect a >/dev/null; and echo expected success; or echo unexpected failure
|
|
# CHECK: expected success
|
|
string collect -N '' >/dev/null; and echo unexpected success; or echo expected failure
|
|
# CHECK: expected failure
|
|
string collect \n\n >/dev/null; and echo unexpected success; or echo expected failure
|
|
# CHECK: expected failure
|
|
|
|
echo "foo"(true | string collect --allow-empty)"bar"
|
|
# CHECK: foobar
|
|
test -z (string collect)
|
|
and echo Nothing
|
|
# CHECK: Nothing
|
|
test -n (string collect)
|
|
and echo Something
|
|
# CHECK: Something
|
|
test -n (string collect -a)
|
|
or echo No, actually nothing
|
|
# CHECK: No, actually nothing
|
|
|
|
# string collect in functions
|
|
# This function outputs some newline-separated content, and some
|
|
# explicitly un-separated content.
|
|
function dualcollect
|
|
echo alpha
|
|
echo beta
|
|
echo gamma\ndelta\nomega | string collect
|
|
end
|
|
count (dualcollect)
|
|
# CHECK: 3
|
|
|
|
string match -qer asd asd
|
|
echo $status
|
|
# CHECK: 0
|
|
|
|
string match -eq asd asd
|
|
echo $status
|
|
# CHECK: 0
|
|
|
|
# Unmatched capturing groups are treated as empty
|
|
echo az | string replace -r -- 'a(b.+)?z' 'a:$1z'
|
|
# CHECK: a:z
|
|
|
|
# --quiet should quit early
|
|
echo "Checking that --quiet quits early - if this is broken it hangs"
|
|
# CHECK: Checking that --quiet quits early - if this is broken it hangs
|
|
yes | string match -q y
|
|
echo $status
|
|
# CHECK: 0
|
|
yes | string length -q
|
|
echo $status
|
|
# CHECK: 0
|
|
yes | string replace -q y n
|
|
echo $status
|
|
# CHECK: 0
|
|
|
|
# `string` can't be wrapped properly anymore, since `string match` creates variables:
|
|
function string
|
|
builtin string $argv
|
|
end
|
|
# CHECKERR: checks/string.fish (line {{\d+}}): function: string: cannot use reserved keyword as function name
|
|
# CHECKERR: function string
|
|
# CHECKERR: ^
|
|
|
|
string escape \x7F
|
|
# CHECK: \x7f
|
|
|
|
# This used to crash.
|
|
string pad -w 8 he \eh
|
|
# CHECK: he
|
|
# CHECK: {{\x1bh}}
|
|
|
|
string match -rg '(.*)fish' catfish
|
|
# CHECK: cat
|
|
string match -rg '(.*)fish' shellfish
|
|
# CHECK: shell
|
|
# An empty match
|
|
string match -rg '(.*)fish' fish
|
|
# No match at all
|
|
string match -rg '(.*)fish' banana
|
|
# Make sure it doesn't start matching something
|
|
string match -r --groups-only '(.+)fish' fish
|
|
echo $status
|
|
# CHECK: 1
|
|
# Multiple groups
|
|
string match -r --groups-only '(.+)fish(.*)' catfishcolor
|
|
# CHECK: cat
|
|
# CHECK: color
|
|
|
|
# Examples specifically called out in #6056.
|
|
echo "foo bar baz" | string match -rg 'foo (bar) baz'
|
|
# CHECK: bar
|
|
echo "foo1x foo2x foo3x" | string match -arg 'foo(\d)x'
|
|
# CHECK: 1
|
|
# CHECK: 2
|
|
# CHECK: 3
|