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-rwxr-xr-xt/t0012-help.sh264
1 files changed, 264 insertions, 0 deletions
diff --git a/t/t0012-help.sh b/t/t0012-help.sh
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+#!/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 "$*" >test-browser.log
+ EOF
+'
+
+# make sure to exercise these code paths, the output is a bit tricky
+# to verify
+test_expect_success 'basic help commands' '
+ git help >/dev/null &&
+ git help -a --no-verbose >/dev/null &&
+ git help -g >/dev/null &&
+ git help -a >/dev/null
+'
+
+test_expect_success 'invalid usage' '
+ test_expect_code 129 git help -a add &&
+ test_expect_code 129 git help --all add &&
+
+ test_expect_code 129 git help -g add &&
+ test_expect_code 129 git help -a -c &&
+
+ test_expect_code 129 git help -g add &&
+ test_expect_code 129 git help -a -g &&
+
+ test_expect_code 129 git help --user-interfaces add &&
+
+ test_expect_code 129 git help -g -c &&
+ test_expect_code 129 git help --config-for-completion add &&
+ test_expect_code 129 git help --config-sections-for-completion add
+'
+
+for opt in '-a' '-g' '-c' '--config-for-completion' '--config-sections-for-completion'
+do
+ test_expect_success "invalid usage of '$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 "^ 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 --user-interfaces' '
+ git help --user-interfaces >help.output &&
+ grep "^ attributes " help.output &&
+ grep "^ mailmap " help.output
+'
+
+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 [-v | --version] [-h | --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
+
+ User-facing repository, command and file interfaces
+
+ Developer-facing file formats, protocols and other interfaces
+ 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