diff options
Diffstat (limited to 't/t7006-pager.sh')
| -rwxr-xr-x | t/t7006-pager.sh | 372 |
1 files changed, 372 insertions, 0 deletions
diff --git a/t/t7006-pager.sh b/t/t7006-pager.sh new file mode 100755 index 0000000000..71d3ceff8f --- /dev/null +++ b/t/t7006-pager.sh @@ -0,0 +1,372 @@ +#!/bin/sh + +test_description='Test automatic use of a pager.' + +. ./test-lib.sh +. "$TEST_DIRECTORY"/lib-pager.sh + +cleanup_fail() { + echo >&2 cleanup failed + (exit 1) +} + +test_expect_success 'set up terminal for tests' ' + rm -f stdout_is_tty || + cleanup_fail && + + if test -t 1 + then + >stdout_is_tty + elif + test_have_prereq PERL && + "$PERL_PATH" "$TEST_DIRECTORY"/t7006/test-terminal.perl \ + sh -c "test -t 1" + then + >test_terminal_works + fi +' + +if test -e stdout_is_tty +then + test_terminal() { "$@"; } + test_set_prereq TTY +elif test -e test_terminal_works +then + test_terminal() { + "$PERL_PATH" "$TEST_DIRECTORY"/t7006/test-terminal.perl "$@" + } + test_set_prereq TTY +else + say "# no usable terminal, so skipping some tests" +fi + +test_expect_success 'setup' ' + unset GIT_PAGER GIT_PAGER_IN_USE; + test_might_fail git config --unset core.pager && + + PAGER="cat >paginated.out" && + export PAGER && + + test_commit initial +' + +test_expect_success TTY 'some commands use a pager' ' + rm -f paginated.out || + cleanup_fail && + + test_terminal git log && + test -e paginated.out +' + +test_expect_success TTY 'some commands do not use a pager' ' + rm -f paginated.out || + cleanup_fail && + + test_terminal git rev-list HEAD && + ! test -e paginated.out +' + +test_expect_success 'no pager when stdout is a pipe' ' + rm -f paginated.out || + cleanup_fail && + + git log | cat && + ! test -e paginated.out +' + +test_expect_success 'no pager when stdout is a regular file' ' + rm -f paginated.out || + cleanup_fail && + + git log >file && + ! test -e paginated.out +' + +test_expect_success TTY 'git --paginate rev-list uses a pager' ' + rm -f paginated.out || + cleanup_fail && + + test_terminal git --paginate rev-list HEAD && + test -e paginated.out +' + +test_expect_success 'no pager even with --paginate when stdout is a pipe' ' + rm -f file paginated.out || + cleanup_fail && + + git --paginate log | cat && + ! test -e paginated.out +' + +test_expect_success TTY 'no pager with --no-pager' ' + rm -f paginated.out || + cleanup_fail && + + test_terminal git --no-pager log && + ! test -e paginated.out +' + +# A colored commit log will begin with an appropriate ANSI escape +# for the first color; the text "commit" comes later. +colorful() { + read firstline <$1 + ! expr "$firstline" : "[a-zA-Z]" >/dev/null +} + +test_expect_success 'tests can detect color' ' + rm -f colorful.log colorless.log || + cleanup_fail && + + git log --no-color >colorless.log && + git log --color >colorful.log && + ! colorful colorless.log && + colorful colorful.log +' + +test_expect_success 'no color when stdout is a regular file' ' + rm -f colorless.log && + git config color.ui auto || + cleanup_fail && + + git log >colorless.log && + ! colorful colorless.log +' + +test_expect_success TTY 'color when writing to a pager' ' + rm -f paginated.out && + git config color.ui auto || + cleanup_fail && + + ( + TERM=vt100 && + export TERM && + test_terminal git log + ) && + colorful paginated.out +' + +test_expect_success 'color when writing to a file intended for a pager' ' + rm -f colorful.log && + git config color.ui auto || + cleanup_fail && + + ( + TERM=vt100 && + GIT_PAGER_IN_USE=true && + export TERM GIT_PAGER_IN_USE && + git log >colorful.log + ) && + colorful colorful.log +' + +if test_have_prereq SIMPLEPAGER && test_have_prereq TTY +then + test_set_prereq SIMPLEPAGERTTY +fi + +# Use this helper to make it easy for the caller of your +# terminal-using function to specify whether it should fail. +# If you write +# +# your_test() { +# parse_args "$@" +# +# $test_expectation "$cmd - behaves well" " +# ... +# $full_command && +# ... +# " +# } +# +# then your test can be used like this: +# +# your_test expect_(success|failure) [test_must_fail] 'git foo' +# +parse_args() { + test_expectation="test_$1" + shift + if test "$1" = test_must_fail + then + full_command="test_must_fail test_terminal " + shift + else + full_command="test_terminal " + fi + cmd=$1 + full_command="$full_command $1" +} + +test_default_pager() { + parse_args "$@" + + $test_expectation SIMPLEPAGERTTY "$cmd - default pager is used by default" " + unset PAGER GIT_PAGER; + test_might_fail git config --unset core.pager && + rm -f default_pager_used || + cleanup_fail && + + cat >\$less <<-\EOF && + #!/bin/sh + wc >default_pager_used + EOF + chmod +x \$less && + ( + PATH=.:\$PATH && + export PATH && + $full_command + ) && + test -e default_pager_used + " +} + +test_PAGER_overrides() { + parse_args "$@" + + $test_expectation TTY "$cmd - PAGER overrides default pager" " + unset GIT_PAGER; + test_might_fail git config --unset core.pager && + rm -f PAGER_used || + cleanup_fail && + + PAGER='wc >PAGER_used' && + export PAGER && + $full_command && + test -e PAGER_used + " +} + +test_core_pager_overrides() { + if_local_config= + used_if_wanted='overrides PAGER' + test_core_pager "$@" +} + +test_local_config_ignored() { + if_local_config='! ' + used_if_wanted='is not used' + test_core_pager "$@" +} + +test_core_pager() { + parse_args "$@" + + $test_expectation TTY "$cmd - repository-local core.pager setting $used_if_wanted" " + unset GIT_PAGER; + rm -f core.pager_used || + cleanup_fail && + + PAGER=wc && + export PAGER && + git config core.pager 'wc >core.pager_used' && + $full_command && + ${if_local_config}test -e core.pager_used + " +} + +test_core_pager_subdir() { + if_local_config= + used_if_wanted='overrides PAGER' + test_pager_subdir_helper "$@" +} + +test_no_local_config_subdir() { + if_local_config='! ' + used_if_wanted='is not used' + test_pager_subdir_helper "$@" +} + +test_pager_subdir_helper() { + parse_args "$@" + + $test_expectation TTY "$cmd - core.pager $used_if_wanted from subdirectory" " + unset GIT_PAGER; + rm -f core.pager_used && + rm -fr sub || + cleanup_fail && + + PAGER=wc && + stampname=\$(pwd)/core.pager_used && + export PAGER stampname && + git config core.pager 'wc >\"\$stampname\"' && + mkdir sub && + ( + cd sub && + $full_command + ) && + ${if_local_config}test -e core.pager_used + " +} + +test_GIT_PAGER_overrides() { + parse_args "$@" + + $test_expectation TTY "$cmd - GIT_PAGER overrides core.pager" " + rm -f GIT_PAGER_used || + cleanup_fail && + + git config core.pager wc && + GIT_PAGER='wc >GIT_PAGER_used' && + export GIT_PAGER && + $full_command && + test -e GIT_PAGER_used + " +} + +test_doesnt_paginate() { + parse_args "$@" + + $test_expectation TTY "no pager for '$cmd'" " + rm -f GIT_PAGER_used || + cleanup_fail && + + GIT_PAGER='wc >GIT_PAGER_used' && + export GIT_PAGER && + $full_command && + ! test -e GIT_PAGER_used + " +} + +test_pager_choices() { + test_default_pager expect_success "$@" + test_PAGER_overrides expect_success "$@" + test_core_pager_overrides expect_success "$@" + test_core_pager_subdir expect_success "$@" + test_GIT_PAGER_overrides expect_success "$@" +} + +test_expect_success 'setup: some aliases' ' + git config alias.aliasedlog log && + git config alias.true "!true" +' + +test_pager_choices 'git log' +test_pager_choices 'git -p log' +test_pager_choices 'git aliasedlog' + +test_default_pager expect_success 'git -p aliasedlog' +test_PAGER_overrides expect_success 'git -p aliasedlog' +test_core_pager_overrides expect_success 'git -p aliasedlog' +test_core_pager_subdir expect_failure 'git -p aliasedlog' +test_GIT_PAGER_overrides expect_success 'git -p aliasedlog' + +test_default_pager expect_success 'git -p true' +test_PAGER_overrides expect_success 'git -p true' +test_core_pager_overrides expect_success 'git -p true' +test_core_pager_subdir expect_failure 'git -p true' +test_GIT_PAGER_overrides expect_success 'git -p true' + +test_default_pager expect_success test_must_fail 'git -p request-pull' +test_PAGER_overrides expect_success test_must_fail 'git -p request-pull' +test_core_pager_overrides expect_success test_must_fail 'git -p request-pull' +test_core_pager_subdir expect_failure test_must_fail 'git -p request-pull' +test_GIT_PAGER_overrides expect_success test_must_fail 'git -p request-pull' + +test_default_pager expect_success test_must_fail 'git -p' +test_PAGER_overrides expect_success test_must_fail 'git -p' +test_local_config_ignored expect_failure test_must_fail 'git -p' +test_no_local_config_subdir expect_success test_must_fail 'git -p' +test_GIT_PAGER_overrides expect_success test_must_fail 'git -p' + +test_doesnt_paginate expect_failure test_must_fail 'git -p nonsense' + +test_done |