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-rw-r--r--dotfiles/system/.zsh/modules/Test/D01prompt.ztst203
1 files changed, 203 insertions, 0 deletions
diff --git a/dotfiles/system/.zsh/modules/Test/D01prompt.ztst b/dotfiles/system/.zsh/modules/Test/D01prompt.ztst
new file mode 100644
index 0000000..607ffb6
--- /dev/null
+++ b/dotfiles/system/.zsh/modules/Test/D01prompt.ztst
@@ -0,0 +1,203 @@
+%prep
+
+ mkdir prompt.tmp
+ cd prompt.tmp
+ mydir=$PWD
+ SHLVL=2
+ setopt extendedglob
+
+%test
+
+ hash -d mydir=$mydir
+ print -P ' %%%): %)
+ %%~: %~
+ %%d: %d
+ %%1/: %1/
+ %%h: %h
+ %%L: %L
+ %%M: %M
+ %%m: %m
+ %%n: %n
+ %%N: %N
+ %%i: %i
+ a%%{...%%}b: a%{%}b
+ '
+0q:Basic prompt escapes as shown.
+> %): )
+> %~: ~mydir
+> %d: $mydir
+> %1/: ${mydir:t}
+> %h: 0
+> %L: 2
+> %M: $HOST
+> %m: ${HOST%%.*}
+> %n: $USERNAME
+> %N: (eval)
+> %i: 2
+> a%{...%}b: ab
+>
+
+ true
+ print -P '%?'
+ false
+ print -P '%?'
+0:`%?' prompt escape
+>0
+>1
+
+ PS4="%_> "
+ setopt xtrace
+ if true; then true; else false; fi
+ unsetopt xtrace
+0:`%_' prompt escape
+?if> true
+?then> true
+?> unsetopt xtrace
+
+ diff =(print -P '%#') =(print -P '%(!.#.%%)')
+0:`%#' prompt escape and its equivalent
+
+ psvar=(caesar adsum jam forte)
+ print -P '%v' '%4v'
+0:`%v' prompt escape
+>caesar forte
+
+ true
+ print -P '%(?.true.false)'
+ false
+ print -P '%(?.true.false)'
+0:ternary prompt escapes
+>true
+>false
+
+ print -P 'start %10<...<truncated at 10%<< Not truncated%3< ...<Not shown'
+ print -P 'start %10>...>truncated at 10%>> Not truncated%3> ...>Not shown'
+0:prompt truncation
+>start ...d at 10 Not truncated ...
+>start truncat... Not truncated ...
+
+# It's hard to check the time and date as they are moving targets.
+# We therefore just check that various forms of the date are consistent.
+# In fact, if you perform this at midnight it can still fail.
+# We could test for that, but we can't be bothered.
+# I hope LC_ALL is enough to make the format what's expected.
+
+ LC_ALL=C
+ date1=$(print -P %w)
+ date2=$(print -P %W)
+ date3=$(print -P %D)
+ if [[ $date1 != [A-Z][a-z][a-z][[:blank:]]##[0-9]## ]]; then
+ print "Date \`$date1' is not in the form \`Day DD' (e.g. \`Mon 1'"
+ fi
+ if [[ $date2 != [0-9][0-9]/[0-9][0-9]/[0-9][0-9] ]]; then
+ print "Date \`$date2' is not in the form \`DD/MM/YYYY'"
+ fi
+ if [[ $date3 != [0-9][0-9]-[0-9][0-9]-[0-9][0-9] ]]; then
+ print "Date \`$date3' is not in the form \`YY-MM-DD'"
+ fi
+ if (( $date1[5,-1] != $date2[4,5] )) || (( $date2[4,5] != $date3[7,8] ))
+ then
+ print "Days of month do not agree in $date1, $date2, $date3"
+ fi
+ if (( $date2[1,2] != $date3[4,5] )); then
+ print "Months do not agree in $date2, $date3"
+ fi
+ if (( $date2[7,8] != $date3[1,2] )); then
+ print "Years do not agree in $date2, $date3"
+ fi
+0:Dates produced by prompt escapes
+
+ mkdir foo
+ mkdir foo/bar
+ mkdir foo/bar/rod
+ (zsh_directory_name() {
+ emulate -L zsh
+ setopt extendedglob
+ local -a match mbegin mend
+ if [[ $1 = d ]]; then
+ if [[ $2 = (#b)(*bar)/rod ]]; then
+ reply=(barmy ${#match[1]})
+ else
+ return 1
+ fi
+ else
+ if [[ $2 = barmy ]]; then
+ reply=($mydir/foo/bar)
+ else
+ return 1
+ fi
+ fi
+ }
+ # success
+ print ~[barmy]/anything
+ cd foo/bar/rod
+ print -P %~
+ # failure
+ setopt nonomatch
+ print ~[scuzzy]/rubbish
+ cd ../..
+ print -P %~
+ # catastrophic failure
+ unsetopt nonomatch
+ print ~[scuzzy]/rubbish
+ )
+1q:Dynamic named directories
+>$mydir/foo/bar/anything
+>~[barmy]/rod
+>~[scuzzy]/rubbish
+>~mydir/foo
+?(eval):33: no directory expansion: ~[scuzzy]
+
+ (
+ zsh_directory_name() {
+ emulate -L zsh
+ setopt extendedglob
+ local -a match mbegin mend
+ if [[ $1 = n ]]; then
+ if [[ $2 = *:l ]]; then
+ reply=(${2%%:l}/very_long_directory_name)
+ return 0
+ else
+ return 1
+ fi
+ else
+ if [[ $2 = (#b)(*)/very_long_directory_name ]]; then
+ reply=(${match[1]}:l ${#2})
+ return 0
+ else
+ return 1
+ fi
+ fi
+ }
+ parent=$PWD
+ dir=$parent/very_long_directory_name
+ mkdir $dir
+ cd $dir
+ fn() {
+ PS4='+%N:%i> '
+ setopt localoptions xtrace
+ # The following is the key to the test.
+ # It invokes zsh_directory_name which does PS4 output stuff
+ # while we're doing prompt handling for the parameter
+ # substitution. This checks recursion works OK.
+ local d=${(%):-%~}
+ print ${d//$parent/\<parent\>}
+ }
+ fn 2>stderr
+ # post process error to remove variable contents
+ while read line; do
+ # tricky: reply is set to include directory length which is variable
+ [[ $line = *reply* ]] && continue
+ print ${line//$parent/\<parent\>}
+ done <stderr >&2
+ )
+0:Recursive use of prompts
+>~[<parent>:l]
+?+zsh_directory_name:1> emulate -L zsh
+?+zsh_directory_name:2> setopt extendedglob
+?+zsh_directory_name:3> local -a match mbegin mend
+?+zsh_directory_name:4> [[ d = n ]]
+?+zsh_directory_name:12> [[ <parent>/very_long_directory_name = (#b)(*)/very_long_directory_name ]]
+?+zsh_directory_name:14> return 0
+?+fn:7> local d='~[<parent>:l]'
+?+fn:8> print '~[<parent>:l]'