thodg/libgit2/tests-clar/reset/hard.c

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• Hash : cf208031
  Author :
  Date : 2012-12-06T13:36:17
  

  Rework checkout internals (again) I've tried to map out the detailed behaviors of checkout and make sure that we're handling the various cases correctly, along with providing options to allow us to emulate "git checkout" and "git checkout-index" with the various flags. I've thrown away flags in the checkout API that seemed like clutter and added some new ones. Also, I've converted the conflict callback to a general notification callback so we can emulate "git checkout" output and display "dirty" files. As of this commit, the new behavior is not working 100% but some of that is probably baked into tests that are not testing the right thing. This is a decent snapshot point, I think, along the way to getting the update done.

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• tests-clar/reset/hard.c

• #include "clar_libgit2.h"
  #include "posix.h"
  #include "reset_helpers.h"
  #include "path.h"
  #include "fileops.h"
  
  static git_repository *repo;
  static git_object *target;
  
  void test_reset_hard__initialize(void)
  {
  	repo = cl_git_sandbox_init("status");
  	target = NULL;
  }
  
  void test_reset_hard__cleanup(void)
  {
  	git_object_free(target);
  	target = NULL;
  
  	cl_git_sandbox_cleanup();
  }
  
  static int strequal_ignore_eol(const char *exp, const char *str)
  {
  	while (*exp && *str) {
  		if (*exp != *str) {
  			while (*exp == '\r' || *exp == '\n') ++exp;
  			while (*str == '\r' || *str == '\n') ++str;
  			if (*exp != *str)
  				return false;
  		} else {
  			exp++; str++;
  		}
  	}
  	return (!*exp && !*str);
  }
  
  void test_reset_hard__resetting_reverts_modified_files(void)
  {
  	git_buf path = GIT_BUF_INIT, content = GIT_BUF_INIT;
  	int i;
  	static const char *files[4] = {
  		"current_file",
  		"modified_file",
  		"staged_new_file",
  		"staged_changes_modified_file" };
  	static const char *before[4] = {
  		"current_file\n",
  		"modified_file\nmodified_file\n",
  		"staged_new_file\n",
  		"staged_changes_modified_file\nstaged_changes_modified_file\nstaged_changes_modified_file\n"
  	};
  	static const char *after[4] = {
  		"current_file\n",
  		"modified_file\n",
  		NULL,
  		"staged_changes_modified_file\n"
  	};
  	const char *wd = git_repository_workdir(repo);
  
  	cl_assert(wd);
  
  	for (i = 0; i < 4; ++i) {
  		cl_git_pass(git_buf_joinpath(&path, wd, files[i]));
  		cl_git_pass(git_futils_readbuffer(&content, path.ptr));
  		cl_assert_equal_s(before[i], content.ptr);
  	}
  
  	retrieve_target_from_oid(
  		&target, repo, "26a125ee1bfc5df1e1b2e9441bbe63c8a7ae989f");
  
  	cl_git_pass(git_reset(repo, target, GIT_RESET_HARD));
  
  	for (i = 0; i < 4; ++i) {
  		cl_git_pass(git_buf_joinpath(&path, wd, files[i]));
  		if (after[i]) {
  			cl_git_pass(git_futils_readbuffer(&content, path.ptr));
  			cl_assert(strequal_ignore_eol(after[i], content.ptr));
  		} else {
  			cl_assert(!git_path_exists(path.ptr));
  		}
  	}
  
  	git_buf_free(&content);
  	git_buf_free(&path);
  }
  
  void test_reset_hard__cannot_reset_in_a_bare_repository(void)
  {
  	git_repository *bare;
  
  	cl_git_pass(git_repository_open(&bare, cl_fixture("testrepo.git")));
  	cl_assert(git_repository_is_bare(bare) == true);
  
  	retrieve_target_from_oid(&target, bare, KNOWN_COMMIT_IN_BARE_REPO);
  
  	cl_assert_equal_i(GIT_EBAREREPO, git_reset(bare, target, GIT_RESET_HARD));
  
  	git_repository_free(bare);
  }
  
  void test_reset_hard__cleans_up_merge(void)
  {
  	git_buf merge_head_path = GIT_BUF_INIT,
  		merge_msg_path = GIT_BUF_INIT,
  		merge_mode_path = GIT_BUF_INIT,
  		orig_head_path = GIT_BUF_INIT;
  
  	cl_git_pass(git_buf_joinpath(&merge_head_path, git_repository_path(repo), "MERGE_HEAD"));
  	cl_git_mkfile(git_buf_cstr(&merge_head_path), "beefbeefbeefbeefbeefbeefbeefbeefbeefbeef\n");
  
  	cl_git_pass(git_buf_joinpath(&merge_msg_path, git_repository_path(repo), "MERGE_MSG"));
  	cl_git_mkfile(git_buf_cstr(&merge_head_path), "Merge commit 0017bd4ab1ec30440b17bae1680cff124ab5f1f6\n");
  
  	cl_git_pass(git_buf_joinpath(&merge_msg_path, git_repository_path(repo), "MERGE_MODE"));
  	cl_git_mkfile(git_buf_cstr(&merge_head_path), "");
  
  	cl_git_pass(git_buf_joinpath(&orig_head_path, git_repository_path(repo), "ORIG_HEAD"));
  	cl_git_mkfile(git_buf_cstr(&orig_head_path), "0017bd4ab1ec30440b17bae1680cff124ab5f1f6");
  
  	retrieve_target_from_oid(&target, repo, "0017bd4ab1ec30440b17bae1680cff124ab5f1f6");
  	cl_git_pass(git_reset(repo, target, GIT_RESET_HARD));
  
  	cl_assert(!git_path_exists(git_buf_cstr(&merge_head_path)));
  	cl_assert(!git_path_exists(git_buf_cstr(&merge_msg_path)));
  	cl_assert(!git_path_exists(git_buf_cstr(&merge_mode_path)));
  
  	cl_assert(git_path_exists(git_buf_cstr(&orig_head_path)));
  	cl_git_pass(p_unlink(git_buf_cstr(&orig_head_path)));
  
  	git_buf_free(&merge_head_path);
  	git_buf_free(&merge_msg_path);
  	git_buf_free(&merge_mode_path);
  	git_buf_free(&orig_head_path);
  }
  

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