thodg/libgit2/tests/repo/state.c

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• Hash : f0e693b1
  Author :
  Date : 2021-09-07T17:53:49
  

  str: introduce `git_str` for internal, `git_buf` is external
  
  libgit2 has two distinct requirements that were previously solved by
  `git_buf`.  We require:
  
  1. A general purpose string class that provides a number of utility APIs
     for manipulating data (eg, concatenating, truncating, etc).
  2. A structure that we can use to return strings to callers that they
     can take ownership of.
  
  By using a single class (`git_buf`) for both of these purposes, we have
  confused the API to the point that refactorings are difficult and
  reasoning about correctness is also difficult.
  
  Move the utility class `git_buf` to be called `git_str`: this represents
  its general purpose, as an internal string buffer class.  The name also
  is an homage to Junio Hamano ("gitstr").
  
  The public API remains `git_buf`, and has a much smaller footprint.  It
  is generally only used as an "out" param with strict requirements that
  follow the documentation.  (Exceptions exist for some legacy APIs to
  avoid breaking callers unnecessarily.)
  
  Utility functions exist to convert a user-specified `git_buf` to a
  `git_str` so that we can call internal functions, then converting it
  back again.
  

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• tests/repo/state.c

• #include "clar_libgit2.h"
  #include "refs.h"
  #include "posix.h"
  #include "futils.h"
  
  static git_repository *_repo;
  static git_str _path;
  
  void test_repo_state__initialize(void)
  {
  	_repo = cl_git_sandbox_init("testrepo.git");
  }
  
  void test_repo_state__cleanup(void)
  {
  	cl_git_sandbox_cleanup();
  	git_str_dispose(&_path);
  }
  
  static void setup_simple_state(const char *filename)
  {
  	cl_git_pass(git_str_joinpath(&_path, git_repository_path(_repo), filename));
  	git_futils_mkpath2file(git_str_cstr(&_path), 0777);
  	cl_git_mkfile(git_str_cstr(&_path), "dummy");
  }
  
  static void assert_repo_state(git_repository_state_t state)
  {
  	cl_assert_equal_i(state, git_repository_state(_repo));
  }
  
  void test_repo_state__none_with_HEAD_attached(void)
  {
  	assert_repo_state(GIT_REPOSITORY_STATE_NONE);
  }
  
  void test_repo_state__none_with_HEAD_detached(void)
  {
  	cl_git_pass(git_repository_detach_head(_repo));
  	assert_repo_state(GIT_REPOSITORY_STATE_NONE);
  }
  
  void test_repo_state__merge(void)
  {
  	setup_simple_state(GIT_MERGE_HEAD_FILE);
  	assert_repo_state(GIT_REPOSITORY_STATE_MERGE);
  	cl_git_pass(git_repository_state_cleanup(_repo));
  	assert_repo_state(GIT_REPOSITORY_STATE_NONE);
  }
  
  void test_repo_state__revert(void)
  {
  	setup_simple_state(GIT_REVERT_HEAD_FILE);
  	assert_repo_state(GIT_REPOSITORY_STATE_REVERT);
  	cl_git_pass(git_repository_state_cleanup(_repo));
  	assert_repo_state(GIT_REPOSITORY_STATE_NONE);
  }
  
  void test_repo_state__revert_sequence(void)
  {
  	setup_simple_state(GIT_REVERT_HEAD_FILE);
  	setup_simple_state(GIT_SEQUENCER_TODO_FILE);
  	assert_repo_state(GIT_REPOSITORY_STATE_REVERT_SEQUENCE);
  	cl_git_pass(git_repository_state_cleanup(_repo));
  	assert_repo_state(GIT_REPOSITORY_STATE_NONE);
  }
  
  void test_repo_state__cherry_pick(void)
  {
  	setup_simple_state(GIT_CHERRYPICK_HEAD_FILE);
  	assert_repo_state(GIT_REPOSITORY_STATE_CHERRYPICK);
  	cl_git_pass(git_repository_state_cleanup(_repo));
  	assert_repo_state(GIT_REPOSITORY_STATE_NONE);
  }
  
  void test_repo_state__cherrypick_sequence(void)
  {
  	setup_simple_state(GIT_CHERRYPICK_HEAD_FILE);
  	setup_simple_state(GIT_SEQUENCER_TODO_FILE);
  	assert_repo_state(GIT_REPOSITORY_STATE_CHERRYPICK_SEQUENCE);
  	cl_git_pass(git_repository_state_cleanup(_repo));
  	assert_repo_state(GIT_REPOSITORY_STATE_NONE);
  }
  
  void test_repo_state__bisect(void)
  {
  	setup_simple_state(GIT_BISECT_LOG_FILE);
  	assert_repo_state(GIT_REPOSITORY_STATE_BISECT);
  	cl_git_pass(git_repository_state_cleanup(_repo));
  	assert_repo_state(GIT_REPOSITORY_STATE_NONE);
  }
  
  void test_repo_state__rebase_interactive(void)
  {
  	setup_simple_state(GIT_REBASE_MERGE_INTERACTIVE_FILE);
  	assert_repo_state(GIT_REPOSITORY_STATE_REBASE_INTERACTIVE);
  	cl_git_pass(git_repository_state_cleanup(_repo));
  	assert_repo_state(GIT_REPOSITORY_STATE_NONE);
  }
  
  void test_repo_state__rebase_merge(void)
  {
  	setup_simple_state(GIT_REBASE_MERGE_DIR "whatever");
  	assert_repo_state(GIT_REPOSITORY_STATE_REBASE_MERGE);
  	cl_git_pass(git_repository_state_cleanup(_repo));
  	assert_repo_state(GIT_REPOSITORY_STATE_NONE);
  }
  
  void test_repo_state__rebase(void)
  {
  	setup_simple_state(GIT_REBASE_APPLY_REBASING_FILE);
  	assert_repo_state(GIT_REPOSITORY_STATE_REBASE);
  	cl_git_pass(git_repository_state_cleanup(_repo));
  	assert_repo_state(GIT_REPOSITORY_STATE_NONE);
  }
  
  void test_repo_state__apply_mailbox(void)
  {
  	setup_simple_state(GIT_REBASE_APPLY_APPLYING_FILE);
  	assert_repo_state(GIT_REPOSITORY_STATE_APPLY_MAILBOX);
  	cl_git_pass(git_repository_state_cleanup(_repo));
  	assert_repo_state(GIT_REPOSITORY_STATE_NONE);
  }
  
  void test_repo_state__apply_mailbox_or_rebase(void)
  {
  	setup_simple_state(GIT_REBASE_APPLY_DIR "whatever");
  	assert_repo_state(GIT_REPOSITORY_STATE_APPLY_MAILBOX_OR_REBASE);
  	cl_git_pass(git_repository_state_cleanup(_repo));
  	assert_repo_state(GIT_REPOSITORY_STATE_NONE);
  }
  

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