thodg/libgit2/tests/odb/backend/simple.c

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• Hash : f673e232
  Author :
  Date : 2018-12-27T13:47:34
  

  git_error: use new names in internal APIs and usage Move to the `git_error` name in the internal API for error-related functions.

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• tests/odb/backend/simple.c

• #include "clar_libgit2.h"
  #include "repository.h"
  #include "backend_helpers.h"
  
  #define EMPTY_HASH "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391"
  
  static git_repository *_repo;
  static git_odb *_odb;
  static git_odb_object *_obj;
  static git_oid _oid;
  
  static void setup_backend(const fake_object *objs)
  {
  	git_odb_backend *backend;
  
  	cl_git_pass(build_fake_backend(&backend, objs));
  
  	cl_git_pass(git_repository_odb__weakptr(&_odb, _repo));
  	cl_git_pass(git_odb_add_backend(_odb, backend, 10));
  }
  
  static void assert_object_contains(git_odb_object *obj, const char *expected)
  {
  	const char *actual = (const char *) git_odb_object_data(obj);
  
  	cl_assert_equal_s(actual, expected);
  }
  
  void test_odb_backend_simple__initialize(void)
  {
  	_repo = cl_git_sandbox_init("testrepo.git");
  	_odb = NULL;
  	_obj = NULL;
  }
  
  void test_odb_backend_simple__cleanup(void)
  {
  	git_odb_object_free(_obj);
  	cl_git_sandbox_cleanup();
  	cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_HASH_VERIFICATION, 1));
  }
  
  void test_odb_backend_simple__read_of_object_succeeds(void)
  {
  	const fake_object objs[] = {
  		{ "f6ea0495187600e7b2288c8ac19c5886383a4632", "foobar" },
  		{ NULL, NULL }
  	};
  
  	setup_backend(objs);
  
  	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
  	cl_git_pass(git_odb_read(&_obj, _odb, &_oid));
  
  	assert_object_contains(_obj, objs[0].content);
  }
  
  void test_odb_backend_simple__read_of_nonexisting_object_fails(void)
  {
  	const fake_object objs[] = {
  		{ "f6ea0495187600e7b2288c8ac19c5886383a4632", "foobar" },
  		{ NULL, NULL }
  	};
  
  	setup_backend(objs);
  
  	cl_git_pass(git_oid_fromstr(&_oid, "f6ea0495187600e7b2288c8ac19c5886383a4633"));
  	cl_git_fail_with(GIT_ENOTFOUND, git_odb_read(&_obj, _odb, &_oid));
  }
  
  void test_odb_backend_simple__read_with_hash_mismatch_fails(void)
  {
  	const fake_object objs[] = {
  		{ "1234567890123456789012345678901234567890", "nonmatching content" },
  		{ NULL, NULL }
  	};
  
  	setup_backend(objs);
  
  	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
  	cl_git_fail_with(GIT_EMISMATCH, git_odb_read(&_obj, _odb, &_oid));
  }
  
  void test_odb_backend_simple__read_with_hash_mismatch_succeeds_without_verification(void)
  {
  	const fake_object objs[] = {
  		{ "1234567890123456789012345678901234567890", "nonmatching content" },
  		{ NULL, NULL }
  	};
  
  	setup_backend(objs);
  	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
  
  	cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_HASH_VERIFICATION, 0));
  	cl_git_pass(git_odb_read(&_obj, _odb, &_oid));
  
  	assert_object_contains(_obj, objs[0].content);
  }
  
  void test_odb_backend_simple__read_prefix_succeeds(void)
  {
  	const fake_object objs[] = {
  		{ "f6ea0495187600e7b2288c8ac19c5886383a4632", "foobar" },
  		{ NULL, NULL }
  	};
  
  	setup_backend(objs);
  
  	cl_git_pass(git_oid_fromstr(&_oid, "f6ea0495187600e7b2288c8ac19c5886383a4632"));
  	cl_git_pass(git_odb_read(&_obj, _odb, &_oid));
  
  	assert_object_contains(_obj, objs[0].content);
  }
  
  void test_odb_backend_simple__read_prefix_of_nonexisting_object_fails(void)
  {
  	const fake_object objs[] = {
  		{ "f6ea0495187600e7b2288c8ac19c5886383a4632", "foobar" },
  		{ NULL, NULL }
  	};
  	char *hash = "f6ea0495187600e8";
  
  	setup_backend(objs);
  
  	cl_git_pass(git_oid_fromstrn(&_oid, hash, strlen(hash)));
  	cl_git_fail_with(GIT_ENOTFOUND, git_odb_read(&_obj, _odb, &_oid));
  }
  
  void test_odb_backend_simple__read_with_ambiguous_prefix_fails(void)
  {
  	const fake_object objs[] = {
  		{ "1234567890111111111111111111111111111111", "first content" },
  		{ "1234567890222222222222222222222222222222", "second content" },
  		{ NULL, NULL }
  	};
  
  	setup_backend(objs);
  
  	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
  	cl_git_fail_with(GIT_EAMBIGUOUS, git_odb_read_prefix(&_obj, _odb, &_oid, 7));
  }
  
  void test_odb_backend_simple__read_with_highly_ambiguous_prefix(void)
  {
  	const fake_object objs[] = {
  		{ "1234567890111111111111111111111111111111", "first content" },
  		{ "1234567890111111111111111111111111111112", "second content" },
  		{ NULL, NULL }
  	};
  
  	setup_backend(objs);
  
  	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
  	cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_HASH_VERIFICATION, 0));
  	cl_git_fail_with(GIT_EAMBIGUOUS, git_odb_read_prefix(&_obj, _odb, &_oid, 39));
  	cl_git_pass(git_odb_read_prefix(&_obj, _odb, &_oid, 40));
  	assert_object_contains(_obj, objs[0].content);
  }
  
  void test_odb_backend_simple__exists_succeeds(void)
  {
  	const fake_object objs[] = {
  		{ "f6ea0495187600e7b2288c8ac19c5886383a4632", "foobar" },
  		{ NULL, NULL }
  	};
  
  	setup_backend(objs);
  
  	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
  	cl_assert(git_odb_exists(_odb, &_oid));
  }
  
  void test_odb_backend_simple__exists_fails_for_nonexisting_object(void)
  {
  	const fake_object objs[] = {
  		{ "f6ea0495187600e7b2288c8ac19c5886383a4632", "foobar" },
  		{ NULL, NULL }
  	};
  
  	setup_backend(objs);
  
  	cl_git_pass(git_oid_fromstr(&_oid, "f6ea0495187600e7b2288c8ac19c5886383a4633"));
  	cl_assert(git_odb_exists(_odb, &_oid) == 0);
  }
  
  void test_odb_backend_simple__exists_prefix_succeeds(void)
  {
  	const fake_object objs[] = {
  		{ "1234567890111111111111111111111111111111", "first content" },
  		{ "1234567890222222222222222222222222222222", "second content" },
  		{ NULL, NULL }
  	};
  	git_oid found;
  
  	setup_backend(objs);
  
  	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
  	cl_git_pass(git_odb_exists_prefix(&found, _odb, &_oid, 12));
  	cl_assert(git_oid_equal(&found, &_oid));
  }
  
  void test_odb_backend_simple__exists_with_ambiguous_prefix_fails(void)
  {
  	const fake_object objs[] = {
  		{ "1234567890111111111111111111111111111111", "first content" },
  		{ "1234567890222222222222222222222222222222", "second content" },
  		{ NULL, NULL }
  	};
  
  	setup_backend(objs);
  
  	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
  	cl_git_fail_with(GIT_EAMBIGUOUS, git_odb_exists_prefix(NULL, _odb, &_oid, 7));
  }
  
  void test_odb_backend_simple__exists_with_highly_ambiguous_prefix(void)
  {
  	const fake_object objs[] = {
  		{ "1234567890111111111111111111111111111111", "first content" },
  		{ "1234567890111111111111111111111111111112", "second content" },
  		{ NULL, NULL }
  	};
  	git_oid found;
  
  	setup_backend(objs);
  
  	cl_git_pass(git_oid_fromstr(&_oid, objs[0].oid));
  	cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_HASH_VERIFICATION, 0));
  	cl_git_fail_with(GIT_EAMBIGUOUS, git_odb_exists_prefix(&found, _odb, &_oid, 39));
  	cl_git_pass(git_odb_exists_prefix(&found, _odb, &_oid, 40));
  	cl_assert(git_oid_equal(&found, &_oid));
  }
  
  void test_odb_backend_simple__null_oid_is_ignored(void)
  {
  	const fake_object objs[] = {
  		{ "0000000000000000000000000000000000000000", "null oid content" },
  		{ NULL, NULL }
  	};
  	git_oid null_oid = {{0}};
  	git_odb_object *obj;
  
  	setup_backend(objs);
  
  	cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_HASH_VERIFICATION, 0));
  	cl_assert(!git_odb_exists(_odb, &null_oid));
  
  	cl_git_fail_with(GIT_ENOTFOUND, git_odb_read(&obj, _odb, &null_oid));
  	cl_assert(git_error_last() && strstr(git_error_last()->message, "null OID"));
  }
  

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