Andrew's git - gitweb.git/blob

   1#!/bin/sh
   2
   3test_description='Test automatic use of a pager.'
   4
   5. ./test-lib.sh
   6
   7cleanup_fail() {
   8        echo >&2 cleanup failed
   9        (exit 1)
  10}
  11
  12test_expect_success 'set up terminal for tests' '
  13        rm -f stdout_is_tty ||
  14        cleanup_fail &&
  15
  16        if test -t 1
  17        then
  18                >stdout_is_tty
  19        elif
  20                test_have_prereq PERL &&
  21                "$PERL_PATH" "$TEST_DIRECTORY"/t7006/test-terminal.perl \
  22                        sh -c "test -t 1"
  23        then
  24                >test_terminal_works
  25        fi
  26'
  27
  28if test -e stdout_is_tty
  29then
  30        test_terminal() { "$@"; }
  31        test_set_prereq TTY
  32elif test -e test_terminal_works
  33then
  34        test_terminal() {
  35                "$PERL_PATH" "$TEST_DIRECTORY"/t7006/test-terminal.perl "$@"
  36        }
  37        test_set_prereq TTY
  38else
  39        say no usable terminal, so skipping some tests
  40fi
  41
  42test_expect_success 'setup' '
  43        unset GIT_PAGER GIT_PAGER_IN_USE;
  44        test_might_fail git config --unset core.pager &&
  45
  46        PAGER="cat >paginated.out" &&
  47        export PAGER &&
  48
  49        test_commit initial
  50'
  51
  52test_expect_success TTY 'some commands use a pager' '
  53        rm -f paginated.out ||
  54        cleanup_fail &&
  55
  56        test_terminal git log &&
  57        test -e paginated.out
  58'
  59
  60test_expect_success TTY 'some commands do not use a pager' '
  61        rm -f paginated.out ||
  62        cleanup_fail &&
  63
  64        test_terminal git rev-list HEAD &&
  65        ! test -e paginated.out
  66'
  67
  68test_expect_success 'no pager when stdout is a pipe' '
  69        rm -f paginated.out ||
  70        cleanup_fail &&
  71
  72        git log | cat &&
  73        ! test -e paginated.out
  74'
  75
  76test_expect_success 'no pager when stdout is a regular file' '
  77        rm -f paginated.out ||
  78        cleanup_fail &&
  79
  80        git log >file &&
  81        ! test -e paginated.out
  82'
  83
  84test_expect_success TTY 'git --paginate rev-list uses a pager' '
  85        rm -f paginated.out ||
  86        cleanup_fail &&
  87
  88        test_terminal git --paginate rev-list HEAD &&
  89        test -e paginated.out
  90'
  91
  92test_expect_success 'no pager even with --paginate when stdout is a pipe' '
  93        rm -f file paginated.out ||
  94        cleanup_fail &&
  95
  96        git --paginate log | cat &&
  97        ! test -e paginated.out
  98'
  99
 100test_expect_success TTY 'no pager with --no-pager' '
 101        rm -f paginated.out ||
 102        cleanup_fail &&
 103
 104        test_terminal git --no-pager log &&
 105        ! test -e paginated.out
 106'
 107
 108# A colored commit log will begin with an appropriate ANSI escape
 109# for the first color; the text "commit" comes later.
 110colorful() {
 111        read firstline <$1
 112        ! expr "$firstline" : "[a-zA-Z]" >/dev/null
 113}
 114
 115test_expect_success 'tests can detect color' '
 116        rm -f colorful.log colorless.log ||
 117        cleanup_fail &&
 118
 119        git log --no-color >colorless.log &&
 120        git log --color >colorful.log &&
 121        ! colorful colorless.log &&
 122        colorful colorful.log
 123'
 124
 125test_expect_success 'no color when stdout is a regular file' '
 126        rm -f colorless.log &&
 127        git config color.ui auto ||
 128        cleanup_fail &&
 129
 130        git log >colorless.log &&
 131        ! colorful colorless.log
 132'
 133
 134test_expect_success TTY 'color when writing to a pager' '
 135        rm -f paginated.out &&
 136        git config color.ui auto ||
 137        cleanup_fail &&
 138
 139        (
 140                TERM=vt100 &&
 141                export TERM &&
 142                test_terminal git log
 143        ) &&
 144        colorful paginated.out
 145'
 146
 147test_expect_success 'color when writing to a file intended for a pager' '
 148        rm -f colorful.log &&
 149        git config color.ui auto ||
 150        cleanup_fail &&
 151
 152        (
 153                TERM=vt100 &&
 154                GIT_PAGER_IN_USE=true &&
 155                export TERM GIT_PAGER_IN_USE &&
 156                git log >colorful.log
 157        ) &&
 158        colorful colorful.log
 159'
 160
 161test_expect_success 'determine default pager' '
 162        unset PAGER GIT_PAGER;
 163        test_might_fail git config --unset core.pager ||
 164        cleanup_fail &&
 165
 166        less=$(git var GIT_PAGER) &&
 167        test -n "$less"
 168'
 169
 170if expr "$less" : '[a-z][a-z]*$' >/dev/null && test_have_prereq TTY
 171then
 172        test_set_prereq SIMPLEPAGER
 173fi
 174
 175test_expect_success SIMPLEPAGER 'default pager is used by default' '
 176        unset PAGER GIT_PAGER;
 177        test_might_fail git config --unset core.pager &&
 178        rm -f default_pager_used ||
 179        cleanup_fail &&
 180
 181        cat >$less <<-\EOF &&
 182        #!/bin/sh
 183        wc >default_pager_used
 184        EOF
 185        chmod +x $less &&
 186        (
 187                PATH=.:$PATH &&
 188                export PATH &&
 189                test_terminal git log
 190        ) &&
 191        test -e default_pager_used
 192'
 193
 194test_expect_success TTY 'PAGER overrides default pager' '
 195        unset GIT_PAGER;
 196        test_might_fail git config --unset core.pager &&
 197        rm -f PAGER_used ||
 198        cleanup_fail &&
 199
 200        PAGER="wc >PAGER_used" &&
 201        export PAGER &&
 202        test_terminal git log &&
 203        test -e PAGER_used
 204'
 205
 206test_expect_success TTY 'core.pager overrides PAGER' '
 207        unset GIT_PAGER;
 208        rm -f core.pager_used ||
 209        cleanup_fail &&
 210
 211        PAGER=wc &&
 212        export PAGER &&
 213        git config core.pager "wc >core.pager_used" &&
 214        test_terminal git log &&
 215        test -e core.pager_used
 216'
 217
 218test_expect_success TTY 'GIT_PAGER overrides core.pager' '
 219        rm -f GIT_PAGER_used ||
 220        cleanup_fail &&
 221
 222        git config core.pager wc &&
 223        GIT_PAGER="wc >GIT_PAGER_used" &&
 224        export GIT_PAGER &&
 225        test_terminal git log &&
 226        test -e GIT_PAGER_used
 227'
 228
 229test_done