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git/t/t0012-help.sh

253 lines
6.2 KiB

#!/bin/sh
test_description='help'
. ./test-lib.sh
configure_help () {
test_config help.format html &&
# Unless the path has "://" in it, Git tries to make sure
# the documentation directory locally exists. Avoid it as
# we are only interested in seeing an attempt to correctly
# invoke a help browser in this test.
test_config help.htmlpath test://html &&
# Name a custom browser
test_config browser.test.cmd ./test-browser &&
test_config help.browser test
}
test_expect_success "setup" '
# Just write out which page gets requested
write_script test-browser <<-\EOF
echo "$*" >test-browser.log
EOF
'
# make sure to exercise these code paths, the output is a bit tricky
# to verify
test_expect_success 'basic help commands' '
git help >/dev/null &&
git help -a --no-verbose >/dev/null &&
git help -g >/dev/null &&
git help -a >/dev/null
'
test_expect_success 'invalid usage' '
test_expect_code 129 git help -a add &&
test_expect_code 129 git help --all add &&
test_expect_code 129 git help -g add &&
test_expect_code 129 git help -a -c &&
test_expect_code 129 git help -g add &&
test_expect_code 129 git help -a -g &&
test_expect_code 129 git help -g -c &&
test_expect_code 129 git help --config-for-completion add &&
test_expect_code 129 git help --config-sections-for-completion add
'
for opt in '-a' '-g' '-c' '--config-for-completion' '--config-sections-for-completion'
do
test_expect_success "invalid usage of '$opt' with [-i|-m|-w]" '
git help $opt &&
test_expect_code 129 git help $opt -i &&
test_expect_code 129 git help $opt -m &&
test_expect_code 129 git help $opt -w
'
if test "$opt" = "-a"
then
continue
fi
test_expect_success "invalid usage of '$opt' with --no-external-commands" '
test_expect_code 129 git help $opt --no-external-commands
'
test_expect_success "invalid usage of '$opt' with --no-aliases" '
test_expect_code 129 git help $opt --no-external-commands
'
done
test_expect_success "works for commands and guides by default" '
configure_help &&
git help status &&
echo "test://html/git-status.html" >expect &&
test_cmp expect test-browser.log &&
git help revisions &&
echo "test://html/gitrevisions.html" >expect &&
test_cmp expect test-browser.log
'
test_expect_success "--exclude-guides does not work for guides" '
>test-browser.log &&
test_must_fail git help --exclude-guides revisions &&
test_must_be_empty test-browser.log
'
test_expect_success "--help does not work for guides" "
cat <<-EOF >expect &&
git: 'revisions' is not a git command. See 'git --help'.
EOF
test_must_fail git revisions --help 2>actual &&
test_cmp expect actual
"
test_expect_success 'git help' '
git help >help.output &&
test_i18ngrep "^ clone " help.output &&
test_i18ngrep "^ add " help.output &&
test_i18ngrep "^ log " help.output &&
test_i18ngrep "^ commit " help.output &&
test_i18ngrep "^ fetch " help.output
'
test_expect_success 'git help -g' '
git help -g >help.output &&
test_i18ngrep "^ attributes " help.output &&
test_i18ngrep "^ everyday " help.output &&
test_i18ngrep "^ tutorial " help.output
'
test_expect_success 'git help fails for non-existing html pages' '
configure_help &&
mkdir html-empty &&
test_must_fail git -c help.htmlpath=html-empty help status &&
test_must_be_empty test-browser.log
'
test_expect_success 'git help succeeds without git.html' '
configure_help &&
mkdir html-with-docs &&
touch html-with-docs/git-status.html &&
git -c help.htmlpath=html-with-docs help status &&
echo "html-with-docs/git-status.html" >expect &&
test_cmp expect test-browser.log
'
test_expect_success 'git help -c' '
git help -c >help.output &&
cat >expect <<-\EOF &&
'\''git help config'\'' for more information
EOF
grep -v -E \
-e "^[^.]+\.[^.]+$" \
-e "^[^.]+\.[^.]+\.[^.]+$" \
help.output >actual &&
test_cmp expect actual
'
test_expect_success 'git help --config-for-completion' '
git help -c >human &&
grep -E \
-e "^[^.]+\.[^.]+$" \
-e "^[^.]+\.[^.]+\.[^.]+$" human |
sed -e "s/\*.*//" -e "s/<.*//" |
sort -u >human.munged &&
git help --config-for-completion >vars &&
test_cmp human.munged vars
'
test_expect_success 'git help --config-sections-for-completion' '
git help -c >human &&
grep -E \
-e "^[^.]+\.[^.]+$" \
-e "^[^.]+\.[^.]+\.[^.]+$" human |
sed -e "s/\..*//" |
sort -u >human.munged &&
git help --config-sections-for-completion >sections &&
test_cmp human.munged sections
'
test_section_spacing () {
cat >expect &&
"$@" >out &&
grep -E "(^[^ ]|^$)" out >actual
}
test_section_spacing_trailer () {
test_section_spacing "$@" &&
test_expect_code 1 git >out &&
sed -n '/list available subcommands/,$p' <out >>expect
}
for cmd in git "git help"
do
test_expect_success "'$cmd' section spacing" '
test_section_spacing_trailer git help <<-\EOF &&
usage: git [--version] [--help] [-C <path>] [-c <name>=<value>]
These are common Git commands used in various situations:
start a working area (see also: git help tutorial)
work on the current change (see also: git help everyday)
examine the history and state (see also: git help revisions)
grow, mark and tweak your common history
collaborate (see also: git help workflows)
EOF
test_cmp expect actual
'
done
test_expect_success "'git help -a' section spacing" '
test_section_spacing \
git help -a --no-external-commands --no-aliases <<-\EOF &&
See '\''git help <command>'\'' to read about a specific subcommand
Main Porcelain Commands
Ancillary Commands / Manipulators
Ancillary Commands / Interrogators
Interacting with Others
Low-level Commands / Manipulators
Low-level Commands / Interrogators
Low-level Commands / Syncing Repositories
Low-level Commands / Internal Helpers
EOF
test_cmp expect actual
'
test_expect_success "'git help -g' section spacing" '
test_section_spacing_trailer git help -g <<-\EOF &&
The Git concept guides are:
EOF
test_cmp expect actual
'
test_expect_success 'generate builtin list' '
mkdir -p sub &&
git --list-cmds=builtins >builtins
'
while read builtin
do
test_expect_success "$builtin can handle -h" '
(
GIT_CEILING_DIRECTORIES=$(pwd) &&
export GIT_CEILING_DIRECTORIES &&
test_expect_code 129 git -C sub $builtin -h >output 2>&1
) &&
test_i18ngrep usage output
'
done <builtins
test_done