thodg/libgit2/tests/index/cache.c

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• Hash : 4afe536b
  Author :
  Date : 2016-02-28T16:02:49
  

  tests: use legitimate object ids Use legitimate (existing) object IDs in tests so that we have the ability to turn on strict object validation when running tests.

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• tests/index/cache.c

• #include "clar_libgit2.h"
  #include "git2.h"
  #include "index.h"
  #include "tree-cache.h"
  
  static git_repository *g_repo;
  
  void test_index_cache__initialize(void)
  {
  	g_repo = cl_git_sandbox_init("testrepo");
  }
  
  void test_index_cache__cleanup(void)
  {
  	cl_git_sandbox_cleanup();
  	g_repo = NULL;
  }
  
  void test_index_cache__write_extension_at_root(void)
  {
  	git_index *index;
  	git_tree *tree;
  	git_oid id;
  	const char *tree_id_str = "45dd856fdd4d89b884c340ba0e047752d9b085d6";
  	const char *index_file = "index-tree";
  
  	cl_git_pass(git_index_open(&index, index_file));
  	cl_assert(index->tree == NULL);
  	cl_git_pass(git_oid_fromstr(&id, tree_id_str));
  	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
  	cl_git_pass(git_index_read_tree(index, tree));
  	git_tree_free(tree);
  
  	cl_assert(index->tree);
  	cl_git_pass(git_index_write(index));
  	git_index_free(index);
  
  	cl_git_pass(git_index_open(&index, index_file));
  	cl_assert(index->tree);
  
  	cl_assert_equal_i(git_index_entrycount(index), index->tree->entry_count);
  	cl_assert_equal_i(0, index->tree->children_count);
  
  	cl_assert(git_oid_equal(&id, &index->tree->oid));
  
  	cl_git_pass(p_unlink(index_file));
  	git_index_free(index);
  }
  
  void test_index_cache__write_extension_invalidated_root(void)
  {
  	git_index *index;
  	git_tree *tree;
  	git_oid id;
  	const char *tree_id_str = "45dd856fdd4d89b884c340ba0e047752d9b085d6";
  	const char *index_file = "index-tree-invalidated";
  	git_index_entry entry;
  
  	cl_git_pass(git_index_open(&index, index_file));
  	cl_assert(index->tree == NULL);
  	cl_git_pass(git_oid_fromstr(&id, tree_id_str));
  	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
  	cl_git_pass(git_index_read_tree(index, tree));
  	git_tree_free(tree);
  
  	cl_assert(index->tree);
  
  	memset(&entry, 0x0, sizeof(git_index_entry));
  	git_oid_cpy(&entry.id, &git_index_get_byindex(index, 0)->id);
  	entry.mode = GIT_FILEMODE_BLOB;
  	entry.path = "some-new-file.txt";
  
  	cl_git_pass(git_index_add(index, &entry));
  
  	cl_assert_equal_i(-1, index->tree->entry_count);
  
  	cl_git_pass(git_index_write(index));
  	git_index_free(index);
  
  	cl_git_pass(git_index_open(&index, index_file));
  	cl_assert(index->tree);
  
  	cl_assert_equal_i(-1, index->tree->entry_count);
  	cl_assert_equal_i(0, index->tree->children_count);
  
  	cl_assert(git_oid_cmp(&id, &index->tree->oid));
  
  	cl_git_pass(p_unlink(index_file));
  	git_index_free(index);
  }
  
  void test_index_cache__read_tree_no_children(void)
  {
  	git_index *index;
  	git_index_entry entry;
  	git_tree *tree;
  	git_oid id;
  
  	cl_git_pass(git_index_new(&index));
  	cl_assert(index->tree == NULL);
  	cl_git_pass(git_oid_fromstr(&id, "45dd856fdd4d89b884c340ba0e047752d9b085d6"));
  	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
  	cl_git_pass(git_index_read_tree(index, tree));
  	git_tree_free(tree);
  
  	cl_assert(index->tree);
  	cl_assert(git_oid_equal(&id, &index->tree->oid));
  	cl_assert_equal_i(0, index->tree->children_count);
  	cl_assert_equal_i(git_index_entrycount(index), index->tree->entry_count);
  
  	memset(&entry, 0x0, sizeof(git_index_entry));
  	entry.path = "new.txt";
  	entry.mode = GIT_FILEMODE_BLOB;
  	git_oid_fromstr(&entry.id, "d4bcc68acd4410bf836a39f20afb2c2ece09584e");
  
  	cl_git_pass(git_index_add(index, &entry));
  	cl_assert_equal_i(-1, index->tree->entry_count);
  
  	git_index_free(index);
  }
  
  void test_index_cache__two_levels(void)
  {
  	git_tree *tree;
  	git_oid tree_id;
  	git_index *index;
  	git_index_entry entry;
  	const git_tree_cache *tree_cache;
  
  	cl_git_pass(git_repository_index(&index, g_repo));
  	cl_git_pass(git_index_clear(index));
  
  	memset(&entry, 0x0, sizeof(entry));
  	entry.mode = GIT_FILEMODE_BLOB;
  	cl_git_pass(git_oid_fromstr(&entry.id, "a8233120f6ad708f843d861ce2b7228ec4e3dec6"));
  	entry.path = "top-level.txt";
  	cl_git_pass(git_index_add(index, &entry));
  
  	entry.path = "subdir/file.txt";
  	cl_git_pass(git_index_add(index, &entry));
  
  	/* the read-tree fills the tree cache */
  	cl_git_pass(git_index_write_tree(&tree_id, index));
  	cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_id));
  	cl_git_pass(git_index_read_tree(index, tree));
  	git_tree_free(tree);
  	cl_git_pass(git_index_write(index));
  
  	/* we now must have cache entries for "" and "subdir" */
  	cl_assert(index->tree);
  	cl_assert(git_tree_cache_get(index->tree, "subdir"));
  
  	cl_git_pass(git_index_read(index, true));
  	/* we must still have cache entries for "" and "subdir", since we wrote it out */
  	cl_assert(index->tree);
  	cl_assert(git_tree_cache_get(index->tree, "subdir"));
  
  	entry.path = "top-level.txt";
  	cl_git_pass(git_oid_fromstr(&entry.id, "3697d64be941a53d4ae8f6a271e4e3fa56b022cc"));
  	cl_git_pass(git_index_add(index, &entry));
  
  	/* writ out the index after we invalidate the root */
  	cl_git_pass(git_index_write(index));
  	cl_git_pass(git_index_read(index, true));
  
  	/* the cache for the subtree must still be valid, even if the root isn't */
  	cl_assert(index->tree);
  	cl_assert_equal_i(-1, index->tree->entry_count);
  	cl_assert_equal_i(1, index->tree->children_count);
  	tree_cache = git_tree_cache_get(index->tree, "subdir");
  	cl_assert(tree_cache);
  	cl_assert_equal_i(1, tree_cache->entry_count);
  
  	git_index_free(index);
  }
  
  void test_index_cache__read_tree_children(void)
  {
  	git_index *index;
  	git_index_entry entry;
  	git_tree *tree;
  	const git_tree_cache *cache;
  	git_oid tree_id;
  
  	cl_git_pass(git_repository_index(&index, g_repo));
  	cl_git_pass(git_index_clear(index));
  	cl_assert(index->tree == NULL);
  
  
  	/* add a bunch of entries at different levels */
  	memset(&entry, 0x0, sizeof(git_index_entry));
  	entry.path = "top-level";
  	entry.mode = GIT_FILEMODE_BLOB;
  	git_oid_fromstr(&entry.id, "ee3fa1b8c00aff7fe02065fdb50864bb0d932ccf");
  	cl_git_pass(git_index_add(index, &entry));
  
  
  	entry.path = "subdir/some-file";
  	cl_git_pass(git_index_add(index, &entry));
  
  	entry.path = "subdir/even-deeper/some-file";
  	cl_git_pass(git_index_add(index, &entry));
  
  	entry.path = "subdir2/some-file";
  	cl_git_pass(git_index_add(index, &entry));
  
  	cl_git_pass(git_index_write_tree(&tree_id, index));
  	cl_git_pass(git_index_clear(index));
  	cl_assert(index->tree == NULL);
  
  	cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_id));
  	cl_git_pass(git_index_read_tree(index, tree));
  	git_tree_free(tree);
  
  	cl_assert(index->tree);
  	cl_assert_equal_i(2, index->tree->children_count);
  
  	/* override with a slightly different id, also dummy */
  	entry.path = "subdir/some-file";
  	git_oid_fromstr(&entry.id, "ee3fa1b8c00aff7fe02065fdb50864bb0d932ccf");
  	cl_git_pass(git_index_add(index, &entry));
  
  	cl_assert_equal_i(-1, index->tree->entry_count);
  
  	cache = git_tree_cache_get(index->tree, "subdir");
  	cl_assert(cache);
  	cl_assert_equal_i(-1, cache->entry_count);
  
  	cache = git_tree_cache_get(index->tree, "subdir/even-deeper");
  	cl_assert(cache);
  	cl_assert_equal_i(1, cache->entry_count);
  
  	cache = git_tree_cache_get(index->tree, "subdir2");
  	cl_assert(cache);
  	cl_assert_equal_i(1, cache->entry_count);
  
  	git_index_free(index);
  }
  

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