thodg/libgit2/tests/index/read_index.c

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• Hash : 8be49681
  Author :
  Date : 2016-06-01T22:31:16
  

  test: ensure we can round-trip a written tree Read a tree into an index, write the index, then re-open the index and ensure that we are treesame to the original.

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• tests/index/read_index.c

• #include "clar_libgit2.h"
  #include "posix.h"
  #include "index.h"
  
  static git_repository *_repo;
  static git_index *_index;
  
  void test_index_read_index__initialize(void)
  {
  	git_object *head;
  	git_reference *head_ref;
  
  	_repo = cl_git_sandbox_init("testrepo");
  	cl_git_pass(git_revparse_ext(&head, &head_ref, _repo, "HEAD"));
  	cl_git_pass(git_reset(_repo, head, GIT_RESET_HARD, NULL));
  	cl_git_pass(git_repository_index(&_index, _repo));
  
  	git_reference_free(head_ref);
  	git_object_free(head);
  }
  
  void test_index_read_index__cleanup(void)
  {
  	git_index_free(_index);
  	cl_git_sandbox_cleanup();
  }
  
  void test_index_read_index__maintains_stat_cache(void)
  {
  	git_index *new_index;
  	git_oid index_id;
  	git_index_entry new_entry;
  	const git_index_entry *e;
  	git_tree *tree;
  	size_t i;
  
  	cl_assert_equal_i(4, git_index_entrycount(_index));
  
  	/* write-tree */
  	cl_git_pass(git_index_write_tree(&index_id, _index));
  
  	/* read-tree, then read index */
  	git_tree_lookup(&tree, _repo, &index_id);
  	cl_git_pass(git_index_new(&new_index));
  	cl_git_pass(git_index_read_tree(new_index, tree));
  	git_tree_free(tree);
  
  	/* add a new entry that will not have stat data */
  	memset(&new_entry, 0, sizeof(git_index_entry));
  	new_entry.path = "Hello";
  	git_oid_fromstr(&new_entry.id, "0123456789012345678901234567890123456789");
  	new_entry.file_size = 1234;
  	new_entry.mode = 0100644;
  	cl_git_pass(git_index_add(new_index, &new_entry));
  	cl_assert_equal_i(5, git_index_entrycount(new_index));
  
  	cl_git_pass(git_index_read_index(_index, new_index));
  	git_index_free(new_index);
  
  	cl_assert_equal_i(5, git_index_entrycount(_index));
  
  	for (i = 0; i < git_index_entrycount(_index); i++) {
  		e = git_index_get_byindex(_index, i);
  
  		if (strcmp(e->path, "Hello") == 0) {
  			cl_assert_equal_i(0, e->ctime.seconds);
  			cl_assert_equal_i(0, e->mtime.seconds);
  		} else {
  			cl_assert(0 != e->ctime.seconds);
  			cl_assert(0 != e->mtime.seconds);
  		}
  	}
  }
  
  static bool roundtrip_with_read_index(const char *tree_idstr)
  {
  	git_oid tree_id, new_tree_id;
  	git_tree *tree;
  	git_index *tree_index;
  
  	cl_git_pass(git_oid_fromstr(&tree_id, tree_idstr));
  	cl_git_pass(git_tree_lookup(&tree, _repo, &tree_id));
  	cl_git_pass(git_index_new(&tree_index));
  	cl_git_pass(git_index_read_tree(tree_index, tree));
  	cl_git_pass(git_index_read_index(_index, tree_index));
  	cl_git_pass(git_index_write_tree(&new_tree_id, _index));
  
  	git_tree_free(tree);
  	git_index_free(tree_index);
  
  	return git_oid_equal(&tree_id, &new_tree_id);
  }
  
  void test_index_read_index__produces_treesame_indexes(void)
  {
  	roundtrip_with_read_index("53fc32d17276939fc79ed05badaef2db09990016");
  	roundtrip_with_read_index("944c0f6e4dfa41595e6eb3ceecdb14f50fe18162");
  	roundtrip_with_read_index("1810dff58d8a660512d4832e740f692884338ccd");
  	roundtrip_with_read_index("d52a8fe84ceedf260afe4f0287bbfca04a117e83");
  	roundtrip_with_read_index("c36d8ea75da8cb510fcb0c408c1d7e53f9a99dbe");
  	roundtrip_with_read_index("7b2417a23b63e1fdde88c80e14b33247c6e5785a");
  	roundtrip_with_read_index("f82a8eb4cb20e88d1030fd10d89286215a715396");
  	roundtrip_with_read_index("fd093bff70906175335656e6ce6ae05783708765");
  	roundtrip_with_read_index("ae90f12eea699729ed24555e40b9fd669da12a12");
  }
  
  void test_index_read_index__read_and_writes(void)
  {
  	git_oid tree_id, new_tree_id;
  	git_tree *tree;
  	git_index *tree_index, *new_index;
  
  	cl_git_pass(git_oid_fromstr(&tree_id, "ae90f12eea699729ed24555e40b9fd669da12a12"));
  	cl_git_pass(git_tree_lookup(&tree, _repo, &tree_id));
  	cl_git_pass(git_index_new(&tree_index));
  	cl_git_pass(git_index_read_tree(tree_index, tree));
  	cl_git_pass(git_index_read_index(_index, tree_index));
  	cl_git_pass(git_index_write(_index));
  
  	cl_git_pass(git_index_open(&new_index, git_index_path(_index)));
  	cl_git_pass(git_index_write_tree_to(&new_tree_id, new_index, _repo));
  
  	cl_assert_equal_oid(&tree_id, &new_tree_id);
  
  	git_tree_free(tree);
  	git_index_free(tree_index);
  	git_index_free(new_index);
  }
  

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