thodg/libgit2/tests-clar/stash/drop.c

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• Hash : 9ccab8df
  Author :
  Date : 2013-02-22T15:25:06
  

  stash: Update the reference when dropping the topmost stash

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• tests-clar/stash/drop.c

• #include "clar_libgit2.h"
  #include "fileops.h"
  #include "stash_helpers.h"
  #include "refs.h"
  
  static git_repository *repo;
  static git_signature *signature;
  
  void test_stash_drop__initialize(void)
  {
  	cl_git_pass(git_repository_init(&repo, "stash", 0));
  	cl_git_pass(git_signature_new(&signature, "nulltoken", "emeric.fermas@gmail.com", 1323847743, 60)); /* Wed Dec 14 08:29:03 2011 +0100 */
  }
  
  void test_stash_drop__cleanup(void)
  {
  	git_signature_free(signature);
  	signature = NULL;
  
  	git_repository_free(repo);
  	repo = NULL;
  
  	cl_git_pass(git_futils_rmdir_r("stash", NULL, GIT_RMDIR_REMOVE_FILES));
  }
  
  void test_stash_drop__cannot_drop_from_an_empty_stash(void)
  {
  	cl_git_fail_with(git_stash_drop(repo, 0), GIT_ENOTFOUND);
  }
  
  static void push_three_states(void)
  {
  	git_oid oid;
  	git_index *index;
  
  	cl_git_mkfile("stash/zero.txt", "content\n");
  	cl_git_pass(git_repository_index(&index, repo));
  	cl_git_pass(git_index_add_bypath(index, "zero.txt"));
  	commit_staged_files(&oid, index, signature);
  	cl_assert(git_path_exists("stash/zero.txt"));
  
  	cl_git_mkfile("stash/one.txt", "content\n");
  	cl_git_pass(git_stash_save(&oid, repo, signature, "First", GIT_STASH_INCLUDE_UNTRACKED));
  	cl_assert(!git_path_exists("stash/one.txt"));
  	cl_assert(git_path_exists("stash/zero.txt"));
  
  	cl_git_mkfile("stash/two.txt", "content\n");
  	cl_git_pass(git_stash_save(&oid, repo, signature, "Second", GIT_STASH_INCLUDE_UNTRACKED));
  	cl_assert(!git_path_exists("stash/two.txt"));
  	cl_assert(git_path_exists("stash/zero.txt"));
  
  	cl_git_mkfile("stash/three.txt", "content\n");
  	cl_git_pass(git_stash_save(&oid, repo, signature, "Third", GIT_STASH_INCLUDE_UNTRACKED));
  	cl_assert(!git_path_exists("stash/three.txt"));
  	cl_assert(git_path_exists("stash/zero.txt"));
  
  	git_index_free(index);
  }
  
  void test_stash_drop__cannot_drop_a_non_existing_stashed_state(void)
  {
  	push_three_states();
  
  	cl_git_fail_with(git_stash_drop(repo, 666), GIT_ENOTFOUND);
  	cl_git_fail_with(git_stash_drop(repo, 42), GIT_ENOTFOUND);
  	cl_git_fail_with(git_stash_drop(repo, 3), GIT_ENOTFOUND);
  }
  
  void test_stash_drop__can_purge_the_stash_from_the_top(void)
  {
  	push_three_states();
  
  	cl_git_pass(git_stash_drop(repo, 0));
  	cl_git_pass(git_stash_drop(repo, 0));
  	cl_git_pass(git_stash_drop(repo, 0));
  
  	cl_git_fail_with(git_stash_drop(repo, 0), GIT_ENOTFOUND);
  }
  
  void test_stash_drop__can_purge_the_stash_from_the_bottom(void)
  {
  	push_three_states();
  
  	cl_git_pass(git_stash_drop(repo, 2));
  	cl_git_pass(git_stash_drop(repo, 1));
  	cl_git_pass(git_stash_drop(repo, 0));
  
  	cl_git_fail_with(git_stash_drop(repo, 0), GIT_ENOTFOUND);
  }
  
  void test_stash_drop__dropping_an_entry_rewrites_reflog_history(void)
  {
  	git_reference *stash;
  	git_reflog *reflog;
  	const git_reflog_entry *entry;
  	git_oid oid;
  	size_t count;
  
  	push_three_states();
  
  	cl_git_pass(git_reference_lookup(&stash, repo, GIT_REFS_STASH_FILE));
  
  	cl_git_pass(git_reflog_read(&reflog, stash));
  	entry = git_reflog_entry_byindex(reflog, 1);
  
  	git_oid_cpy(&oid, git_reflog_entry_id_old(entry));
  	count = git_reflog_entrycount(reflog);
  
  	git_reflog_free(reflog);
  
  	cl_git_pass(git_stash_drop(repo, 1));
  
  	cl_git_pass(git_reflog_read(&reflog, stash));
  	entry = git_reflog_entry_byindex(reflog, 0);
  
  	cl_assert_equal_i(0, git_oid_cmp(&oid, git_reflog_entry_id_old(entry)));
  	cl_assert_equal_sz(count - 1, git_reflog_entrycount(reflog));
  
  	git_reflog_free(reflog);
  
  	git_reference_free(stash);
  }
  
  void test_stash_drop__dropping_the_last_entry_removes_the_stash(void)
  {
  	git_reference *stash;
  
  	push_three_states();
  
  	cl_git_pass(git_reference_lookup(&stash, repo, GIT_REFS_STASH_FILE));
  	git_reference_free(stash);
  
  	cl_git_pass(git_stash_drop(repo, 0));
  	cl_git_pass(git_stash_drop(repo, 0));
  	cl_git_pass(git_stash_drop(repo, 0));
  
  	cl_git_fail_with(
  		git_reference_lookup(&stash, repo, GIT_REFS_STASH_FILE), GIT_ENOTFOUND);
  }
  
  void retrieve_top_stash_id(git_oid *out)
  {
  	git_object *top_stash;
  
  	cl_git_pass(git_revparse_single(&top_stash, repo, "stash@{0}"));
  	cl_git_pass(git_reference_name_to_id(out, repo, GIT_REFS_STASH_FILE));
  
  	cl_assert_equal_i(true, git_oid_cmp(out, git_object_id(top_stash)) == 0);
  
  	git_object_free(top_stash);
  }
  
  void test_stash_drop__dropping_the_top_stash_updates_the_stash_reference(void)
  {
  	git_object *next_top_stash;
  	git_oid oid;
  
  	push_three_states();
  
  	retrieve_top_stash_id(&oid);
  
  	cl_git_pass(git_revparse_single(&next_top_stash, repo, "stash@{1}"));
  	cl_assert_equal_i(
  		false, git_oid_cmp(&oid, git_object_id(next_top_stash)) == 0);
  
  	cl_git_pass(git_stash_drop(repo, 0));
  
  	retrieve_top_stash_id(&oid);
  
  	cl_assert_equal_i(
  		true, git_oid_cmp(&oid, git_object_id(next_top_stash)) == 0);
  }
  

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