thodg/libgit2/tests/odb/emptyobjects.c

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• Hash : becadafc
  Author :
  Date : 2016-08-05T19:30:56
  

  odb: only provide the empty tree Only provide the empty tree internally, which matches git's behavior. If we provide the empty blob then any users trying to write it with libgit2 would omit it from actually landing in the odb, which appear to git proper as a broken repository (missing that object).

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• tests/odb/emptyobjects.c

• #include "clar_libgit2.h"
  #include "odb.h"
  #include "filebuf.h"
  
  #define TEST_REPO_PATH "redundant.git"
  
  git_repository *g_repo;
  git_odb *g_odb;
  
  void test_odb_emptyobjects__initialize(void)
  {
  	g_repo = cl_git_sandbox_init(TEST_REPO_PATH);
  	cl_git_pass(git_repository_odb(&g_odb, g_repo));
  }
  
  void test_odb_emptyobjects__cleanup(void)
  {
  	git_odb_free(g_odb);
  	cl_git_sandbox_cleanup();
  }
  
  void test_odb_emptyobjects__blob_notfound(void)
  {
  	git_oid id, written_id;
  	git_blob *blob;
  
  	cl_git_pass(git_oid_fromstr(&id, "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391"));
  	cl_git_fail_with(GIT_ENOTFOUND, git_blob_lookup(&blob, g_repo, &id));
  
  	cl_git_pass(git_odb_write(&written_id, g_odb, "", 0, GIT_OBJ_BLOB));
  	cl_assert(git_path_exists(TEST_REPO_PATH "/objects/e6/9de29bb2d1d6434b8b29ae775ad8c2e48c5391"));
  }
  
  void test_odb_emptyobjects__read_tree(void)
  {
  	git_oid id;
  	git_tree *tree;
  
  	cl_git_pass(git_oid_fromstr(&id, "4b825dc642cb6eb9a060e54bf8d69288fbee4904"));
  	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
  	cl_assert_equal_i(GIT_OBJ_TREE, git_object_type((git_object *) tree));
  	cl_assert_equal_i(0, git_tree_entrycount(tree));
  	cl_assert_equal_p(NULL, git_tree_entry_byname(tree, "foo"));
  	git_tree_free(tree);
  }
  
  void test_odb_emptyobjects__read_tree_odb(void)
  {
  	git_oid id;
  	git_odb_object *tree_odb;
  
  	cl_git_pass(git_oid_fromstr(&id, "4b825dc642cb6eb9a060e54bf8d69288fbee4904"));
  	cl_git_pass(git_odb_read(&tree_odb, g_odb, &id));
  	cl_assert(git_odb_object_data(tree_odb));
  	cl_assert_equal_s("", git_odb_object_data(tree_odb));
  	cl_assert_equal_i(0, git_odb_object_size(tree_odb));
  	git_odb_object_free(tree_odb);
  }
  

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