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

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• Hash : b15df1d9
  Author :
  Date : 2012-11-17T18:29:51
  

  reflog: make entry_byindex() and drop() git compliant Passing 0 as the index now retrieves the most recent entry instead of the oldest one.

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• tests-clar/stash/drop.c

• #include "clar_libgit2.h"
  #include "fileops.h"
  #include "stash_helpers.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);
  	git_repository_free(repo);
  	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_assert_equal_i(GIT_ENOTFOUND, git_stash_drop(repo, 0));
  }
  
  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_from_workdir(index, "zero.txt"));
  	commit_staged_files(&oid, index, signature);
  
  	cl_git_mkfile("stash/one.txt", "content\n");
  	cl_git_pass(git_stash_save(&oid, repo, signature, "First", GIT_STASH_INCLUDE_UNTRACKED));
  
  	cl_git_mkfile("stash/two.txt", "content\n");
  	cl_git_pass(git_stash_save(&oid, repo, signature, "Second", GIT_STASH_INCLUDE_UNTRACKED));
  
  	cl_git_mkfile("stash/three.txt", "content\n");
  	cl_git_pass(git_stash_save(&oid, repo, signature, "Third", GIT_STASH_INCLUDE_UNTRACKED));
  
  	git_index_free(index);
  }
  
  void test_stash_drop__cannot_drop_a_non_existing_stashed_state(void)
  {
  	push_three_states();
  
  	cl_assert_equal_i(GIT_ENOTFOUND, git_stash_drop(repo, 666));
  	cl_assert_equal_i(GIT_ENOTFOUND, git_stash_drop(repo, 42));
  	cl_assert_equal_i(GIT_ENOTFOUND, git_stash_drop(repo, 3));
  }
  
  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_assert_equal_i(GIT_ENOTFOUND, git_stash_drop(repo, 0));
  }
  
  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_assert_equal_i(GIT_ENOTFOUND, git_stash_drop(repo, 0));
  }
  
  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, "refs/stash"));
  	
  	cl_git_pass(git_reflog_read(&reflog, stash));
  	entry = git_reflog_entry_byindex(reflog, 1);
  
  	git_oid_cpy(&oid, git_reflog_entry_oidold(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_oidold(entry)));
  	cl_assert_equal_i(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, "refs/stash"));
  	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_assert_equal_i(GIT_ENOTFOUND, git_reference_lookup(&stash, repo, "refs/stash"));
  }
  

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