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|
#!/bin/sh
test_description='Test automatic use of a pager.'
. ./test-lib.sh
rm -f stdout_is_tty
test_expect_success 'set up terminal for tests' '
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
unset GIT_PAGER GIT_PAGER_IN_USE
git config --unset core.pager
PAGER='cat > paginated.out'
export PAGER
test_expect_success 'setup' '
test_commit initial
'
rm -f paginated.out
test_expect_success TTY 'some commands use a pager' '
test_terminal git log &&
test -e paginated.out
'
rm -f paginated.out
test_expect_success TTY 'some commands do not use a pager' '
test_terminal git rev-list HEAD &&
! test -e paginated.out
'
rm -f paginated.out
test_expect_success 'no pager when stdout is a pipe' '
git log | cat &&
! test -e paginated.out
'
rm -f paginated.out
test_expect_success 'no pager when stdout is a regular file' '
git log > file &&
! test -e paginated.out
'
rm -f paginated.out
test_expect_success TTY 'git --paginate rev-list uses a pager' '
test_terminal git --paginate rev-list HEAD &&
test -e paginated.out
'
rm -f file paginated.out
test_expect_success 'no pager even with --paginate when stdout is a pipe' '
git --paginate log | cat &&
! test -e paginated.out
'
rm -f paginated.out
test_expect_success TTY 'no pager with --no-pager' '
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
}
rm -f colorful.log colorless.log
test_expect_success 'tests can detect color' '
git log --no-color > colorless.log &&
git log --color > colorful.log &&
! colorful colorless.log &&
colorful colorful.log
'
rm -f colorless.log
git config color.ui auto
test_expect_success 'no color when stdout is a regular file' '
git log > colorless.log &&
! colorful colorless.log
'
rm -f paginated.out
git config color.ui auto
test_expect_success TTY 'color when writing to a pager' '
TERM=vt100 test_terminal git log &&
colorful paginated.out
'
rm -f colorful.log
git config color.ui auto
test_expect_success 'color when writing to a file intended for a pager' '
TERM=vt100 GIT_PAGER_IN_USE=true git log > colorful.log &&
colorful colorful.log
'
unset PAGER GIT_PAGER
git config --unset core.pager
test_expect_success 'determine default pager' '
less=$(git var GIT_PAGER) &&
test -n "$less"
'
if expr "$less" : '^[a-z]*$' > /dev/null && test_have_prereq TTY
then
test_set_prereq SIMPLEPAGER
fi
unset PAGER GIT_PAGER
git config --unset core.pager
rm -f default_pager_used
test_expect_success SIMPLEPAGER 'default pager is used by default' '
cat > $less <<-EOF &&
#!$SHELL_PATH
wc > default_pager_used
EOF
chmod +x $less &&
PATH=.:$PATH test_terminal git log &&
test -e default_pager_used
'
unset GIT_PAGER
git config --unset core.pager
rm -f PAGER_used
test_expect_success TTY 'PAGER overrides default pager' '
PAGER="wc > PAGER_used" &&
export PAGER &&
test_terminal git log &&
test -e PAGER_used
'
unset GIT_PAGER
rm -f core.pager_used
test_expect_success TTY 'core.pager overrides PAGER' '
PAGER=wc &&
export PAGER &&
git config core.pager "wc > core.pager_used" &&
test_terminal git log &&
test -e core.pager_used
'
rm -f GIT_PAGER_used
test_expect_success TTY 'GIT_PAGER overrides core.pager' '
git config core.pager wc &&
GIT_PAGER="wc > GIT_PAGER_used" &&
export GIT_PAGER &&
test_terminal git log &&
test -e GIT_PAGER_used
'
test_done
|
