Andrew's git - gitweb.git/blob

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