diff options
Diffstat (limited to 't/lib-submodule-update.sh')
| -rwxr-xr-x | t/lib-submodule-update.sh | 251 |
1 files changed, 46 insertions, 205 deletions
diff --git a/t/lib-submodule-update.sh b/t/lib-submodule-update.sh index 2d26f86..bb94c23 100755 --- a/t/lib-submodule-update.sh +++ b/t/lib-submodule-update.sh @@ -306,9 +306,9 @@ test_submodule_content () { # to protect the history! # -# Test that submodule contents are currently not updated when switching -# between commits that change a submodule. -test_submodule_switch () { +# Internal function; use test_submodule_switch() or +# test_submodule_forced_switch() instead. +test_submodule_switch_common() { command="$1" ######################### Appearing submodule ######################### # Switching to a commit letting a submodule appear creates empty dir ... @@ -332,7 +332,7 @@ test_submodule_switch () { test_submodule_content sub1 origin/add_sub1 ) ' - # ... and doesn't care if it already exists ... + # ... and doesn't care if it already exists. test_expect_$RESULT "$command: added submodule leaves existing empty directory alone" ' prolog && reset_work_tree_to no_submodule && @@ -347,19 +347,6 @@ test_submodule_switch () { test_submodule_content sub1 origin/add_sub1 ) ' - # ... unless there is an untracked file in its place. - test_expect_success "$command: added submodule doesn't remove untracked unignored file with same name" ' - prolog && - reset_work_tree_to no_submodule && - ( - cd submodule_update && - git branch -t add_sub1 origin/add_sub1 && - >sub1 && - test_must_fail $command add_sub1 && - test_superproject_content origin/no_submodule && - test_must_be_empty sub1 - ) - ' # Replacing a tracked file with a submodule produces an empty # directory ... test_expect_$RESULT "$command: replace tracked file with submodule creates empty directory" ' @@ -441,6 +428,11 @@ test_submodule_switch () { # submodule files with the newly checked out ones in the # directory of the same name while it shouldn't. RESULT="failure" + elif test "$KNOWN_FAILURE_FORCED_SWITCH_TESTS" = 1 + then + # All existing tests that use test_submodule_forced_switch() + # require this. + RESULT="failure" else RESULT="success" fi @@ -522,7 +514,6 @@ test_submodule_switch () { test_submodule_content sub1 origin/modify_sub1 ) ' - # Updating a submodule to an invalid sha1 doesn't update the # submodule's work tree, subsequent update will fail test_expect_$RESULT "$command: modified submodule does not update submodule work tree to invalid commit" ' @@ -555,42 +546,51 @@ test_submodule_switch () { ' } -# Test that submodule contents are currently not updated when switching -# between commits that change a submodule, but throwing away local changes in -# the superproject is allowed. -test_submodule_forced_switch () { +# Declares and invokes several tests that, in various situations, checks that +# the provided transition function: +# - succeeds in updating the worktree and index of a superproject to a target +# commit, or fails atomically (depending on the test situation) +# - if succeeds, the contents of submodule directories are unchanged +# - if succeeds, once "git submodule update" is invoked, the contents of +# submodule directories are updated +# +# Use as follows: +# +# my_func () { +# target=$1 +# # Do something here that updates the worktree and index to match target, +# # but not any submodule directories. +# } +# test_submodule_switch "my_func" +test_submodule_switch () { command="$1" - ######################### Appearing submodule ######################### - # Switching to a commit letting a submodule appear creates empty dir ... - test_expect_success "$command: added submodule creates empty directory" ' - prolog && - reset_work_tree_to no_submodule && - ( - cd submodule_update && - git branch -t add_sub1 origin/add_sub1 && - $command add_sub1 && - test_superproject_content origin/add_sub1 && - test_dir_is_empty sub1 && - git submodule update --init --recursive && - test_submodule_content sub1 origin/add_sub1 - ) - ' - # ... and doesn't care if it already exists ... - test_expect_success "$command: added submodule leaves existing empty directory alone" ' + test_submodule_switch_common "$command" + + # An empty directory does not prevent the creation of a submodule of + # the same name, but a file does. + test_expect_success "$command: added submodule doesn't remove untracked unignored file with same name" ' prolog && reset_work_tree_to no_submodule && ( cd submodule_update && git branch -t add_sub1 origin/add_sub1 && - mkdir sub1 && - $command add_sub1 && - test_superproject_content origin/add_sub1 && - test_dir_is_empty sub1 && - git submodule update --init --recursive && - test_submodule_content sub1 origin/add_sub1 + >sub1 && + test_must_fail $command add_sub1 && + test_superproject_content origin/no_submodule && + test_must_be_empty sub1 ) ' - # ... unless there is an untracked file in its place. +} + +# Same as test_submodule_switch(), except that throwing away local changes in +# the superproject is allowed. +test_submodule_forced_switch () { + command="$1" + KNOWN_FAILURE_FORCED_SWITCH_TESTS=1 + test_submodule_switch_common "$command" + + # When forced, a file in the superproject does not prevent creating a + # submodule of the same name. test_expect_success "$command: added submodule does remove untracked unignored file with same name when forced" ' prolog && reset_work_tree_to no_submodule && @@ -603,165 +603,6 @@ test_submodule_forced_switch () { test_dir_is_empty sub1 ) ' - # Replacing a tracked file with a submodule produces an empty - # directory ... - test_expect_success "$command: replace tracked file with submodule creates empty directory" ' - prolog && - reset_work_tree_to replace_sub1_with_file && - ( - cd submodule_update && - git branch -t replace_file_with_sub1 origin/replace_file_with_sub1 && - $command replace_file_with_sub1 && - test_superproject_content origin/replace_file_with_sub1 && - test_dir_is_empty sub1 && - git submodule update --init --recursive && - test_submodule_content sub1 origin/replace_file_with_sub1 - ) - ' - # ... as does removing a directory with tracked files with a - # submodule. - test_expect_success "$command: replace directory with submodule" ' - prolog && - reset_work_tree_to replace_sub1_with_directory && - ( - cd submodule_update && - git branch -t replace_directory_with_sub1 origin/replace_directory_with_sub1 && - $command replace_directory_with_sub1 && - test_superproject_content origin/replace_directory_with_sub1 && - test_dir_is_empty sub1 && - git submodule update --init --recursive && - test_submodule_content sub1 origin/replace_directory_with_sub1 - ) - ' - - ######################## Disappearing submodule ####################### - # Removing a submodule doesn't remove its work tree ... - test_expect_success "$command: removed submodule leaves submodule directory and its contents in place" ' - prolog && - reset_work_tree_to add_sub1 && - ( - cd submodule_update && - git branch -t remove_sub1 origin/remove_sub1 && - $command remove_sub1 && - test_superproject_content origin/remove_sub1 && - test_submodule_content sub1 origin/add_sub1 - ) - ' - # ... especially when it contains a .git directory. - test_expect_success "$command: removed submodule leaves submodule containing a .git directory alone" ' - prolog && - reset_work_tree_to add_sub1 && - ( - cd submodule_update && - git branch -t remove_sub1 origin/remove_sub1 && - replace_gitfile_with_git_dir sub1 && - $command remove_sub1 && - test_superproject_content origin/remove_sub1 && - test_git_directory_is_unchanged sub1 && - test_submodule_content sub1 origin/add_sub1 - ) - ' - # Replacing a submodule with files in a directory must fail as the - # submodule work tree isn't removed ... - test_expect_failure "$command: replace submodule with a directory must fail" ' - prolog && - reset_work_tree_to add_sub1 && - ( - cd submodule_update && - git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory && - test_must_fail $command replace_sub1_with_directory && - test_superproject_content origin/add_sub1 && - test_submodule_content sub1 origin/add_sub1 - ) - ' - # ... especially when it contains a .git directory. - test_expect_failure "$command: replace submodule containing a .git directory with a directory must fail" ' - prolog && - reset_work_tree_to add_sub1 && - ( - cd submodule_update && - git branch -t replace_sub1_with_directory origin/replace_sub1_with_directory && - replace_gitfile_with_git_dir sub1 && - test_must_fail $command replace_sub1_with_directory && - test_superproject_content origin/add_sub1 && - test_git_directory_is_unchanged sub1 && - test_submodule_content sub1 origin/add_sub1 - ) - ' - # Replacing it with a file must fail as it could throw away any local - # work tree changes ... - test_expect_failure "$command: replace submodule with a file must fail" ' - prolog && - reset_work_tree_to add_sub1 && - ( - cd submodule_update && - git branch -t replace_sub1_with_file origin/replace_sub1_with_file && - test_must_fail $command replace_sub1_with_file && - test_superproject_content origin/add_sub1 && - test_submodule_content sub1 origin/add_sub1 - ) - ' - # ... or even destroy unpushed parts of submodule history if that - # still uses a .git directory. - test_expect_failure "$command: replace submodule containing a .git directory with a file must fail" ' - prolog && - reset_work_tree_to add_sub1 && - ( - cd submodule_update && - git branch -t replace_sub1_with_file origin/replace_sub1_with_file && - replace_gitfile_with_git_dir sub1 && - test_must_fail $command replace_sub1_with_file && - test_superproject_content origin/add_sub1 && - test_git_directory_is_unchanged sub1 && - test_submodule_content sub1 origin/add_sub1 - ) - ' - - ########################## Modified submodule ######################### - # Updating a submodule sha1 doesn't update the submodule's work tree - test_expect_success "$command: modified submodule does not update submodule work tree" ' - prolog && - reset_work_tree_to add_sub1 && - ( - cd submodule_update && - git branch -t modify_sub1 origin/modify_sub1 && - $command modify_sub1 && - test_superproject_content origin/modify_sub1 && - test_submodule_content sub1 origin/add_sub1 && - git submodule update && - test_submodule_content sub1 origin/modify_sub1 - ) - ' - # Updating a submodule to an invalid sha1 doesn't update the - # submodule's work tree, subsequent update will fail - test_expect_success "$command: modified submodule does not update submodule work tree to invalid commit" ' - prolog && - reset_work_tree_to add_sub1 && - ( - cd submodule_update && - git branch -t invalid_sub1 origin/invalid_sub1 && - $command invalid_sub1 && - test_superproject_content origin/invalid_sub1 && - test_submodule_content sub1 origin/add_sub1 && - test_must_fail git submodule update && - test_submodule_content sub1 origin/add_sub1 - ) - ' - # Updating a submodule from an invalid sha1 doesn't update the - # submodule's work tree, subsequent update will succeed - test_expect_success "$command: modified submodule does not update submodule work tree from invalid commit" ' - prolog && - reset_work_tree_to invalid_sub1 && - ( - cd submodule_update && - git branch -t valid_sub1 origin/valid_sub1 && - $command valid_sub1 && - test_superproject_content origin/valid_sub1 && - test_dir_is_empty sub1 && - git submodule update --init --recursive && - test_submodule_content sub1 origin/valid_sub1 - ) - ' } # Test that submodule contents are correctly updated when switching |