Code

Introduce sane_unset and use it to ensure proper && chaining
[git.git] / t / t7006-pager.sh
index eb9651da895f8f520c82aeab7a5406bcf9c09478..7d00d49d0da6487bec345176411e1f51e712f137 100755 (executable)
@@ -41,7 +41,7 @@ else
 fi
 
 test_expect_success 'setup' '
-       unset GIT_PAGER GIT_PAGER_IN_USE;
+       sane_unset GIT_PAGER GIT_PAGER_IN_USE &&
        test_might_fail git config --unset core.pager &&
 
        PAGER="cat >paginated.out" &&
@@ -58,6 +58,21 @@ test_expect_success TTY 'some commands use a pager' '
        test -e paginated.out
 '
 
+test_expect_failure TTY 'pager runs from subdir' '
+       echo subdir/paginated.out >expected &&
+       mkdir -p subdir &&
+       rm -f paginated.out subdir/paginated.out &&
+       (
+               cd subdir &&
+               test_terminal git log
+       ) &&
+       {
+               ls paginated.out subdir/paginated.out ||
+               :
+       } >actual &&
+       test_cmp expected actual
+'
+
 test_expect_success TTY 'some commands do not use a pager' '
        rm -f paginated.out ||
        cleanup_fail &&
@@ -106,6 +121,45 @@ test_expect_success TTY 'no pager with --no-pager' '
        ! test -e paginated.out
 '
 
+test_expect_success TTY 'configuration can disable pager' '
+       rm -f paginated.out &&
+       test_might_fail git config --unset pager.grep &&
+       test_terminal git grep initial &&
+       test -e paginated.out &&
+
+       rm -f paginated.out &&
+       git config pager.grep false &&
+       test_when_finished "git config --unset pager.grep" &&
+       test_terminal git grep initial &&
+       ! test -e paginated.out
+'
+
+test_expect_success TTY 'git config uses a pager if configured to' '
+       rm -f paginated.out &&
+       git config pager.config true &&
+       test_when_finished "git config --unset pager.config" &&
+       test_terminal git config --list &&
+       test -e paginated.out
+'
+
+test_expect_success TTY 'configuration can enable pager (from subdir)' '
+       rm -f paginated.out &&
+       mkdir -p subdir &&
+       git config pager.bundle true &&
+       test_when_finished "git config --unset pager.bundle" &&
+
+       git bundle create test.bundle --all &&
+       rm -f paginated.out subdir/paginated.out &&
+       (
+               cd subdir &&
+               test_terminal git bundle unbundle ../test.bundle
+       ) &&
+       {
+               test -e paginated.out ||
+               test -e subdir/paginated.out
+       }
+'
+
 # A colored commit log will begin with an appropriate ANSI escape
 # for the first color; the text "commit" comes later.
 colorful() {
@@ -164,58 +218,221 @@ then
        test_set_prereq SIMPLEPAGERTTY
 fi
 
-test_expect_success SIMPLEPAGERTTY '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 &&
+# 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"
+}
 
-       cat >$less <<-\EOF &&
-       #!/bin/sh
-       wc >default_pager_used
-       EOF
-       chmod +x $less &&
-       (
-               PATH=.:$PATH &&
-               export PATH &&
-               test_terminal git log
-       ) &&
-       test -e default_pager_used
-'
+test_default_pager() {
+       parse_args "$@"
+
+       $test_expectation SIMPLEPAGERTTY "$cmd - default pager is used by default" "
+               sane_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_expect_success TTY 'PAGER overrides default pager' '
-       unset GIT_PAGER;
-       test_might_fail git config --unset core.pager &&
-       rm -f PAGER_used ||
-       cleanup_fail &&
+test_PAGER_overrides() {
+       parse_args "$@"
 
-       PAGER="wc >PAGER_used" &&
-       export PAGER &&
-       test_terminal git log &&
-       test -e PAGER_used
-'
+       $test_expectation TTY "$cmd - PAGER overrides default pager" "
+               sane_unset GIT_PAGER &&
+               test_might_fail git config --unset core.pager &&
+               rm -f PAGER_used ||
+               cleanup_fail &&
 
-test_expect_success TTY 'core.pager overrides PAGER' '
-       unset GIT_PAGER;
-       rm -f core.pager_used ||
-       cleanup_fail &&
+               PAGER='wc >PAGER_used' &&
+               export PAGER &&
+               $full_command &&
+               test -e PAGER_used
+       "
+}
 
-       PAGER=wc &&
-       export PAGER &&
-       git config core.pager "wc >core.pager_used" &&
-       test_terminal git log &&
-       test -e core.pager_used
-'
+test_core_pager_overrides() {
+       if_local_config=
+       used_if_wanted='overrides PAGER'
+       test_core_pager "$@"
+}
 
-test_expect_success TTY 'GIT_PAGER overrides core.pager' '
-       rm -f GIT_PAGER_used ||
-       cleanup_fail &&
+test_local_config_ignored() {
+       if_local_config='! '
+       used_if_wanted='is not used'
+       test_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_core_pager() {
+       parse_args "$@"
+
+       $test_expectation TTY "$cmd - repository-local core.pager setting $used_if_wanted" "
+               sane_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" "
+               sane_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_pager_choices                       'git shortlog'
+test_expect_success 'setup: configure shortlog not to paginate' '
+       git config pager.shortlog false
 '
+test_doesnt_paginate      expect_success 'git shortlog'
+test_no_local_config_subdir expect_success 'git shortlog'
+test_default_pager        expect_success 'git -p shortlog'
+test_core_pager_subdir    expect_success 'git -p shortlog'
+
+test_core_pager_subdir    expect_success test_must_fail \
+                                        'git -p apply </dev/null'
 
 test_done