t/t0012-help.sh

   1 #!/bin/sh
   2
   3 test_description='help'
   4
   5 . ./test-lib.sh
   6
   7 configure_help () {
   8         test_config help.format html &&
   9
  10         # Unless the path has "://" in it, Git tries to make sure
  11         # the documentation directory locally exists. Avoid it as
  12         # we are only interested in seeing an attempt to correctly
  13         # invoke a help browser in this test.
  14         test_config help.htmlpath test://html &&
  15
  16         # Name a custom browser
  17         test_config browser.test.cmd ./test-browser &&
  18         test_config help.browser test
  19 }
  20
  21 test_expect_success "setup" '
  22         # Just write out which page gets requested
  23         write_script test-browser <<-\EOF
  24         echo "$*" >test-browser.log
  25         EOF
  26 '
  27
  28 # make sure to exercise these code paths, the output is a bit tricky
  29 # to verify
  30 test_expect_success 'basic help commands' '
  31         git help >/dev/null &&
  32         git help -a --no-verbose >/dev/null &&
  33         git help -g >/dev/null &&
  34         git help -a >/dev/null
  35 '
  36
  37 test_expect_success 'invalid usage' '
  38         test_expect_code 129 git help -g add &&
  39         test_expect_code 129 git help -a -c &&
  40
  41         test_expect_code 129 git help -g add &&
  42         test_expect_code 129 git help -a -g &&
  43
  44         test_expect_code 129 git help -g -c &&
  45         test_expect_code 129 git help --config-for-completion add &&
  46         test_expect_code 129 git help --config-sections-for-completion add
  47 '
  48
  49 test_expect_success "works for commands and guides by default" '
  50         configure_help &&
  51         git help status &&
  52         echo "test://html/git-status.html" >expect &&
  53         test_cmp expect test-browser.log &&
  54         git help revisions &&
  55         echo "test://html/gitrevisions.html" >expect &&
  56         test_cmp expect test-browser.log
  57 '
  58
  59 test_expect_success "--exclude-guides does not work for guides" '
  60         >test-browser.log &&
  61         test_must_fail git help --exclude-guides revisions &&
  62         test_must_be_empty test-browser.log
  63 '
  64
  65 test_expect_success "--help does not work for guides" "
  66         cat <<-EOF >expect &&
  67                 git: 'revisions' is not a git command. See 'git --help'.
  68         EOF
  69         test_must_fail git revisions --help 2>actual &&
  70         test_cmp expect actual
  71 "
  72
  73 test_expect_success 'git help' '
  74         git help >help.output &&
  75         test_i18ngrep "^   clone  " help.output &&
  76         test_i18ngrep "^   add    " help.output &&
  77         test_i18ngrep "^   log    " help.output &&
  78         test_i18ngrep "^   commit " help.output &&
  79         test_i18ngrep "^   fetch  " help.output
  80 '
  81 test_expect_success 'git help -g' '
  82         git help -g >help.output &&
  83         test_i18ngrep "^   attributes " help.output &&
  84         test_i18ngrep "^   everyday   " help.output &&
  85         test_i18ngrep "^   tutorial   " help.output
  86 '
  87
  88 test_expect_success 'git help fails for non-existing html pages' '
  89         configure_help &&
  90         mkdir html-empty &&
  91         test_must_fail git -c help.htmlpath=html-empty help status &&
  92         test_must_be_empty test-browser.log
  93 '
  94
  95 test_expect_success 'git help succeeds without git.html' '
  96         configure_help &&
  97         mkdir html-with-docs &&
  98         touch html-with-docs/git-status.html &&
  99         git -c help.htmlpath=html-with-docs help status &&
 100         echo "html-with-docs/git-status.html" >expect &&
 101         test_cmp expect test-browser.log
 102 '
 103
 104 test_expect_success 'git help -c' '
 105         git help -c >help.output &&
 106         cat >expect <<-\EOF &&
 107
 108         '\''git help config'\'' for more information
 109         EOF
 110         grep -v -E \
 111                 -e "^[^.]+\.[^.]+$" \
 112                 -e "^[^.]+\.[^.]+\.[^.]+$" \
 113                 help.output >actual &&
 114         test_cmp expect actual
 115 '
 116
 117 test_expect_success 'git help --config-for-completion' '
 118         git help -c >human &&
 119         grep -E \
 120              -e "^[^.]+\.[^.]+$" \
 121              -e "^[^.]+\.[^.]+\.[^.]+$" human |
 122              sed -e "s/\*.*//" -e "s/<.*//" |
 123              sort -u >human.munged &&
 124
 125         git help --config-for-completion >vars &&
 126         test_cmp human.munged vars
 127 '
 128
 129 test_expect_success 'git help --config-sections-for-completion' '
 130         git help -c >human &&
 131         grep -E \
 132              -e "^[^.]+\.[^.]+$" \
 133              -e "^[^.]+\.[^.]+\.[^.]+$" human |
 134              sed -e "s/\..*//" |
 135              sort -u >human.munged &&
 136
 137         git help --config-sections-for-completion >sections &&
 138         test_cmp human.munged sections
 139 '
 140
 141 test_expect_success 'generate builtin list' '
 142         git --list-cmds=builtins >builtins
 143 '
 144
 145 while read builtin
 146 do
 147         test_expect_success "$builtin can handle -h" '
 148                 test_expect_code 129 git $builtin -h >output 2>&1 &&
 149                 test_i18ngrep usage output
 150         '
 151 done <builtins
 152
 153 test_done