thodg/libgit2/tests-clar/checkout/index.c

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• Hash : 0ab3a2ab
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  Date : 2012-11-30T20:34:50
  

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• tests-clar/checkout/index.c

• #include "clar_libgit2.h"
  
  #include "git2/checkout.h"
  #include "repository.h"
  
  static git_repository *g_repo;
  static git_checkout_opts g_opts;
  
  static void reset_index_to_treeish(git_object *treeish)
  {
  	git_object *tree;
  	git_index *index;
  
  	cl_git_pass(git_object_peel(&tree, treeish, GIT_OBJ_TREE));
  
  	cl_git_pass(git_repository_index(&index, g_repo));
  	cl_git_pass(git_index_read_tree(index, (git_tree *)tree));
  	cl_git_pass(git_index_write(index));
  
  	git_object_free(tree);
  	git_index_free(index);
  }
  
  void test_checkout_index__initialize(void)
  {
  	git_tree *tree;
  
  	GIT_INIT_STRUCTURE(&g_opts, GIT_CHECKOUT_OPTS_VERSION);
  	g_opts.checkout_strategy = GIT_CHECKOUT_SAFE;
  
  	g_repo = cl_git_sandbox_init("testrepo");
  
  	cl_git_pass(git_repository_head_tree(&tree, g_repo));
  
  	reset_index_to_treeish((git_object *)tree);
  	git_tree_free(tree);
  
  	cl_git_rewritefile(
  		"./testrepo/.gitattributes",
  		"* text eol=lf\n");
  }
  
  void test_checkout_index__cleanup(void)
  {
  	cl_git_sandbox_cleanup();
  }
  
  static void test_file_contents(const char *path, const char *expectedcontents)
  {
  	int fd;
  	char buffer[1024] = {0};
  	size_t expectedlen, actuallen;
  
  	fd = p_open(path, O_RDONLY);
  	cl_assert(fd >= 0);
  
  	expectedlen = strlen(expectedcontents);
  	actuallen = p_read(fd, buffer, 1024);
  	cl_git_pass(p_close(fd));
  
  	cl_assert_equal_sz(actuallen, expectedlen);
  	cl_assert_equal_s(buffer, expectedcontents);
  }
  
  void test_checkout_index__cannot_checkout_a_bare_repository(void)
  {
  	test_checkout_index__cleanup();
  
  	GIT_INIT_STRUCTURE(&g_opts, GIT_CHECKOUT_OPTS_VERSION);
  	g_repo = cl_git_sandbox_init("testrepo.git");
  
  	cl_git_fail(git_checkout_index(g_repo, NULL, NULL));
  }
  
  void test_checkout_index__can_create_missing_files(void)
  {
  	cl_assert_equal_i(false, git_path_isfile("./testrepo/README"));
  	cl_assert_equal_i(false, git_path_isfile("./testrepo/branch_file.txt"));
  	cl_assert_equal_i(false, git_path_isfile("./testrepo/new.txt"));
  
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  
  	test_file_contents("./testrepo/README", "hey there\n");
  	test_file_contents("./testrepo/branch_file.txt", "hi\nbye!\n");
  	test_file_contents("./testrepo/new.txt", "my new file\n");
  }
  
  void test_checkout_index__can_remove_untracked_files(void)
  {
  	git_futils_mkdir("./testrepo/dir/subdir/subsubdir", NULL, 0755, GIT_MKDIR_PATH);
  	cl_git_mkfile("./testrepo/dir/one", "one\n");
  	cl_git_mkfile("./testrepo/dir/subdir/two", "two\n");
  
  	cl_assert_equal_i(true, git_path_isdir("./testrepo/dir/subdir/subsubdir"));
  
  	g_opts.checkout_strategy |= GIT_CHECKOUT_REMOVE_UNTRACKED;
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  
  	cl_assert_equal_i(false, git_path_isdir("./testrepo/dir"));
  }
  
  void test_checkout_index__honor_the_specified_pathspecs(void)
  {
  	char *entries[] = { "*.txt" };
  
  	g_opts.paths.strings = entries;
  	g_opts.paths.count = 1;
  
  	cl_assert_equal_i(false, git_path_isfile("./testrepo/README"));
  	cl_assert_equal_i(false, git_path_isfile("./testrepo/branch_file.txt"));
  	cl_assert_equal_i(false, git_path_isfile("./testrepo/new.txt"));
  
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  
  	cl_assert_equal_i(false, git_path_isfile("./testrepo/README"));
  	test_file_contents("./testrepo/branch_file.txt", "hi\nbye!\n");
  	test_file_contents("./testrepo/new.txt", "my new file\n");
  }
  
  static void set_config_entry_to(const char *entry_name, bool value)
  {
  	git_config *cfg;
  
  	cl_git_pass(git_repository_config(&cfg, g_repo));
  	cl_git_pass(git_config_set_bool(cfg, entry_name, value));
  
  	git_config_free(cfg);
  }
  
  static void set_core_autocrlf_to(bool value)
  {
  	set_config_entry_to("core.autocrlf", value);
  }
  
  void test_checkout_index__honor_the_gitattributes_directives(void)
  {
  	const char *attributes =
  		"branch_file.txt text eol=crlf\n"
  		"new.txt text eol=lf\n";
  
  	cl_git_mkfile("./testrepo/.gitattributes", attributes);
  	set_core_autocrlf_to(false);
  
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  
  	test_file_contents("./testrepo/README", "hey there\n");
  	test_file_contents("./testrepo/new.txt", "my new file\n");
  	test_file_contents("./testrepo/branch_file.txt", "hi\r\nbye!\r\n");
  }
  
  void test_checkout_index__honor_coreautocrlf_setting_set_to_true(void)
  {
  #ifdef GIT_WIN32
  	const char *expected_readme_text = "hey there\r\n";
  
  	cl_git_pass(p_unlink("./testrepo/.gitattributes"));
  	set_core_autocrlf_to(true);
  
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  
  	test_file_contents("./testrepo/README", expected_readme_text);
  #endif
  }
  
  static void set_repo_symlink_handling_cap_to(bool value)
  {
  	set_config_entry_to("core.symlinks", value);
  }
  
  void test_checkout_index__honor_coresymlinks_setting_set_to_true(void)
  {
  	set_repo_symlink_handling_cap_to(true);
  
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  
  #ifdef GIT_WIN32
  	test_file_contents("./testrepo/link_to_new.txt", "new.txt");
  #else
  	{
  		char link_data[1024];
  		size_t link_size = 1024;
  
  		link_size = p_readlink("./testrepo/link_to_new.txt", link_data, link_size);
  		link_data[link_size] = '\0';
  		cl_assert_equal_i(link_size, strlen("new.txt"));
  		cl_assert_equal_s(link_data, "new.txt");
  		test_file_contents("./testrepo/link_to_new.txt", "my new file\n");
  	}
  #endif
  }
  
  void test_checkout_index__honor_coresymlinks_setting_set_to_false(void)
  {
  	set_repo_symlink_handling_cap_to(false);
  
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  
  	test_file_contents("./testrepo/link_to_new.txt", "new.txt");
  }
  
  void test_checkout_index__donot_overwrite_modified_file_by_default(void)
  {
  	cl_git_mkfile("./testrepo/new.txt", "This isn't what's stored!");
  
  	/* set this up to not return an error code on conflicts, but it
  	 * still will not have permission to overwrite anything...
  	 */
  	g_opts.checkout_strategy = GIT_CHECKOUT_ALLOW_CONFLICTS;
  
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  
  	test_file_contents("./testrepo/new.txt", "This isn't what's stored!");
  }
  
  void test_checkout_index__can_overwrite_modified_file(void)
  {
  	cl_git_mkfile("./testrepo/new.txt", "This isn't what's stored!");
  
  	g_opts.checkout_strategy |= GIT_CHECKOUT_UPDATE_MODIFIED;
  
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  
  	test_file_contents("./testrepo/new.txt", "my new file\n");
  }
  
  void test_checkout_index__options_disable_filters(void)
  {
  	cl_git_mkfile("./testrepo/.gitattributes", "*.txt text eol=crlf\n");
  
  	g_opts.disable_filters = false;
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  
  	test_file_contents("./testrepo/new.txt", "my new file\r\n");
  
  	p_unlink("./testrepo/new.txt");
  
  	g_opts.disable_filters = true;
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  
  	test_file_contents("./testrepo/new.txt", "my new file\n");
  }
  
  void test_checkout_index__options_dir_modes(void)
  {
  #ifndef GIT_WIN32
  	struct stat st;
  	git_oid oid;
  	git_commit *commit;
  
  	cl_git_pass(git_reference_name_to_id(&oid, g_repo, "refs/heads/dir"));
  	cl_git_pass(git_commit_lookup(&commit, g_repo, &oid));
  
  	reset_index_to_treeish((git_object *)commit);
  
  	g_opts.dir_mode = 0701;
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  
  	cl_git_pass(p_stat("./testrepo/a", &st));
  	cl_assert_equal_i(st.st_mode & 0777, 0701);
  
  	/* File-mode test, since we're on the 'dir' branch */
  	cl_git_pass(p_stat("./testrepo/a/b.txt", &st));
  	cl_assert_equal_i(st.st_mode & 0777, 0755);
  
  	git_commit_free(commit);
  #endif
  }
  
  void test_checkout_index__options_override_file_modes(void)
  {
  #ifndef GIT_WIN32
  	struct stat st;
  
  	g_opts.file_mode = 0700;
  
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  
  	cl_git_pass(p_stat("./testrepo/new.txt", &st));
  	cl_assert_equal_i(st.st_mode & 0777, 0700);
  #endif
  }
  
  void test_checkout_index__options_open_flags(void)
  {
  	cl_git_mkfile("./testrepo/new.txt", "hi\n");
  
  	g_opts.file_open_flags = O_CREAT | O_RDWR | O_APPEND;
  
  	g_opts.checkout_strategy |= GIT_CHECKOUT_UPDATE_MODIFIED;
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  
  	test_file_contents("./testrepo/new.txt", "hi\nmy new file\n");
  }
  
  struct conflict_data {
  	const char *file;
  	const char *sha;
  };
  
  static int conflict_cb(
  	const char *conflict_file,
  	const git_oid *blob_oid,
  	unsigned int index_mode,
  	unsigned int wd_mode,
  	void *payload)
  {
  	struct conflict_data *expectations = (struct conflict_data *)payload;
  
  	GIT_UNUSED(index_mode);
  	GIT_UNUSED(wd_mode);
  
  	cl_assert_equal_s(expectations->file, conflict_file);
  	cl_assert_equal_i(0, git_oid_streq(blob_oid, expectations->sha));
  
  	return 0;
  }
  
  void test_checkout_index__can_notify_of_skipped_files(void)
  {
  	struct conflict_data data;
  
  	cl_git_mkfile("./testrepo/new.txt", "This isn't what's stored!");
  
  	/*
  	 * $ git ls-tree HEAD
  	 * 100644 blob a8233120f6ad708f843d861ce2b7228ec4e3dec6    README
  	 * 100644 blob 3697d64be941a53d4ae8f6a271e4e3fa56b022cc    branch_file.txt
  	 * 100644 blob a71586c1dfe8a71c6cbf6c129f404c5642ff31bd    new.txt
  	 */
  	data.file = "new.txt";
  	data.sha = "a71586c1dfe8a71c6cbf6c129f404c5642ff31bd";
  
  	g_opts.checkout_strategy |= GIT_CHECKOUT_ALLOW_CONFLICTS;
  	g_opts.conflict_cb = conflict_cb;
  	g_opts.conflict_payload = &data;
  
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  }
  
  static int dont_conflict_cb(
  	const char *conflict_file,
  	const git_oid *blob_oid,
  	unsigned int index_mode,
  	unsigned int wd_mode,
  	void *payload)
  {
  	GIT_UNUSED(conflict_file);
  	GIT_UNUSED(blob_oid);
  	GIT_UNUSED(index_mode);
  	GIT_UNUSED(wd_mode);
  	GIT_UNUSED(payload);
  
  	cl_assert(false);
  
  	return 0;
  }
  
  void test_checkout_index__wont_notify_of_expected_line_ending_changes(void)
  {
  	cl_git_pass(p_unlink("./testrepo/.gitattributes"));
  	set_core_autocrlf_to(true);
  
  	cl_git_mkfile("./testrepo/new.txt", "my new file\r\n");
  
  	g_opts.checkout_strategy |= GIT_CHECKOUT_ALLOW_CONFLICTS;
  	g_opts.conflict_cb = dont_conflict_cb;
  	g_opts.conflict_payload = NULL;
  
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  }
  
  static void progress(const char *path, size_t cur, size_t tot, void *payload)
  {
  	bool *was_called = (bool*)payload;
  	GIT_UNUSED(path); GIT_UNUSED(cur); GIT_UNUSED(tot);
  	*was_called = true;
  }
  
  void test_checkout_index__calls_progress_callback(void)
  {
  	bool was_called = 0;
  	g_opts.progress_cb = progress;
  	g_opts.progress_payload = &was_called;
  
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  	cl_assert_equal_i(was_called, true);
  }
  
  void test_checkout_index__can_overcome_name_clashes(void)
  {
  	git_index *index;
  
  	cl_git_pass(git_repository_index(&index, g_repo));
  	git_index_clear(index);
  
  	cl_git_mkfile("./testrepo/path0", "content\r\n");
  	cl_git_pass(p_mkdir("./testrepo/path1", 0777));
  	cl_git_mkfile("./testrepo/path1/file1", "content\r\n");
  
  	cl_git_pass(git_index_add_from_workdir(index, "path0"));
  	cl_git_pass(git_index_add_from_workdir(index, "path1/file1"));
  
  
  	cl_git_pass(p_unlink("./testrepo/path0"));
  	cl_git_pass(git_futils_rmdir_r(
  		"./testrepo/path1", NULL, GIT_RMDIR_REMOVE_FILES));
  
  	cl_git_mkfile("./testrepo/path1", "content\r\n");
  	cl_git_pass(p_mkdir("./testrepo/path0", 0777));
  	cl_git_mkfile("./testrepo/path0/file0", "content\r\n");
  
  	cl_assert(git_path_isfile("./testrepo/path1"));
  	cl_assert(git_path_isfile("./testrepo/path0/file0"));
  
  	g_opts.checkout_strategy = GIT_CHECKOUT_SAFE | GIT_CHECKOUT_ALLOW_CONFLICTS;
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  
  	cl_assert(git_path_isfile("./testrepo/path1"));
  	cl_assert(git_path_isfile("./testrepo/path0/file0"));
  
  	g_opts.checkout_strategy = GIT_CHECKOUT_FORCE;
  	cl_git_pass(git_checkout_index(g_repo, NULL, &g_opts));
  
  	cl_assert(git_path_isfile("./testrepo/path0"));
  	cl_assert(git_path_isfile("./testrepo/path1/file1"));
  
  	git_index_free(index);
  }
  
  void test_checkout_index__validates_struct_version(void)
  {
  	const git_error *err;
  
  	g_opts.version = 1024;
  	cl_git_fail(git_checkout_index(g_repo, NULL, &g_opts));
  
  	err = giterr_last();
  	cl_assert_equal_i(err->klass, GITERR_INVALID);
  
  	g_opts.version = 0;
  	giterr_clear();
  	cl_git_fail(git_checkout_index(g_repo, NULL, &g_opts));
  
  	err = giterr_last();
  	cl_assert_equal_i(err->klass, GITERR_INVALID);
  }
  

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