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

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• Hash : 94cb060c
  Author :
  Date : 2021-11-08T14:54:09
  

  Add tests for ODB refresh Add optional refreshing in the fake backend, and count the number of refresh calls if enabled.

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• tests/odb/backend/refreshing.c

• #include "clar_libgit2.h"
  #include "repository.h"
  #include "backend_helpers.h"
  
  static git_repository *_repo;
  static fake_backend *_fake;
  
  #define NONEXISTING_HASH "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef"
  #define EXISTING_HASH "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391"
  
  static const fake_object _objects[] = {
  	{ EXISTING_HASH, "" },
  	{ NULL, NULL }
  };
  
  static git_oid _nonexisting_oid;
  static git_oid _existing_oid;
  
  static void setup_repository_and_backend(void)
  {
  	git_odb *odb = NULL;
  	git_odb_backend *backend = NULL;
  
  	_repo = cl_git_sandbox_init("testrepo.git");
  
  	cl_git_pass(build_fake_backend(&backend, _objects, true));
  
  	cl_git_pass(git_repository_odb__weakptr(&odb, _repo));
  	cl_git_pass(git_odb_add_backend(odb, backend, 10));
  
  	_fake = (fake_backend *)backend;
  }
  
  void test_odb_backend_refreshing__initialize(void)
  {
  	git_oid_fromstr(&_nonexisting_oid, NONEXISTING_HASH);
  	git_oid_fromstr(&_existing_oid, EXISTING_HASH);
  	setup_repository_and_backend();
  }
  
  void test_odb_backend_refreshing__cleanup(void)
  {
  	cl_git_sandbox_cleanup();
  }
  
  void test_odb_backend_refreshing__exists_is_invoked_twice_on_failure(void)
  {
  	git_odb *odb;
  
  	cl_git_pass(git_repository_odb__weakptr(&odb, _repo));
  	cl_assert_equal_b(false, git_odb_exists(odb, &_nonexisting_oid));
  
  	cl_assert_equal_i(2, _fake->exists_calls);
  	cl_assert_equal_i(1, _fake->refresh_calls);
  }
  
  void test_odb_backend_refreshing__read_is_invoked_twice_on_failure(void)
  {
  	git_object *obj;
  
  	cl_git_fail_with(
  		git_object_lookup(&obj, _repo, &_nonexisting_oid, GIT_OBJECT_ANY),
  		GIT_ENOTFOUND);
  
  	cl_assert_equal_i(2, _fake->read_calls);
  	cl_assert_equal_i(1, _fake->refresh_calls);
  }
  
  void test_odb_backend_refreshing__readprefix_is_invoked_twice_on_failure(void)
  {
  	git_object *obj;
  
  	cl_git_fail_with(
  		git_object_lookup_prefix(&obj, _repo, &_nonexisting_oid, 7, GIT_OBJECT_ANY),
  		GIT_ENOTFOUND);
  
  	cl_assert_equal_i(2, _fake->read_prefix_calls);
  	cl_assert_equal_i(1, _fake->refresh_calls);
  }
  
  void test_odb_backend_refreshing__readheader_is_invoked_twice_on_failure(void)
  {
  	git_odb *odb;
  	size_t len;
  	git_object_t type;
  
  	cl_git_pass(git_repository_odb__weakptr(&odb, _repo));
  
  	cl_git_fail_with(
  		git_odb_read_header(&len, &type, odb, &_nonexisting_oid),
  		GIT_ENOTFOUND);
  
  	cl_assert_equal_i(2, _fake->read_header_calls);
  	cl_assert_equal_i(1, _fake->refresh_calls);
  }
  
  void test_odb_backend_refreshing__exists_is_invoked_once_on_success(void)
  {
  	git_odb *odb;
  
  	cl_git_pass(git_repository_odb__weakptr(&odb, _repo));
  	cl_assert_equal_b(true, git_odb_exists(odb, &_existing_oid));
  
  	cl_assert_equal_i(1, _fake->exists_calls);
  	cl_assert_equal_i(0, _fake->refresh_calls);
  }
  
  void test_odb_backend_refreshing__read_is_invoked_once_on_success(void)
  {
  	git_object *obj;
  
  	cl_git_pass(git_object_lookup(&obj, _repo, &_existing_oid, GIT_OBJECT_ANY));
  
  	cl_assert_equal_i(1, _fake->read_calls);
  	cl_assert_equal_i(0, _fake->refresh_calls);
  
  	git_object_free(obj);
  }
  
  void test_odb_backend_refreshing__readprefix_is_invoked_once_on_success(void)
  {
  	git_object *obj;
  
  	cl_git_pass(git_object_lookup_prefix(&obj, _repo, &_existing_oid, 7, GIT_OBJECT_ANY));
  
  	cl_assert_equal_i(1, _fake->read_prefix_calls);
  	cl_assert_equal_i(0, _fake->refresh_calls);
  
  	git_object_free(obj);
  }
  
  void test_odb_backend_refreshing__readheader_is_invoked_once_on_success(void)
  {
  	git_odb *odb;
  	size_t len;
  	git_object_t type;
  
  	cl_git_pass(git_repository_odb__weakptr(&odb, _repo));
  
  	cl_git_pass(git_odb_read_header(&len, &type, odb, &_existing_oid));
  
  	cl_assert_equal_i(1, _fake->read_header_calls);
  	cl_assert_equal_i(0, _fake->refresh_calls);
  }
  
  void test_odb_backend_refreshing__read_is_invoked_twice_when_revparsing_a_full_oid(void)
  {
  	git_object *obj;
  
  	cl_git_fail_with(
  		git_revparse_single(&obj, _repo, "deadbeefdeadbeefdeadbeefdeadbeefdeadbeef"),
  		GIT_ENOTFOUND);
  
  	cl_assert_equal_i(2, _fake->read_calls);
  	cl_assert_equal_i(1, _fake->refresh_calls);
  }
  
  void test_odb_backend_refreshing__refresh_is_invoked(void)
  {
  	git_odb *odb;
  
  	cl_git_pass(git_repository_odb__weakptr(&odb, _repo));
  	cl_assert_equal_i(0, git_odb_refresh(odb));
  
  	cl_assert_equal_i(1, _fake->refresh_calls);
  }
  
  void test_odb_backend_refreshing__refresh_suppressed_with_no_refresh(void)
  {
  	git_odb *odb;
  
  	cl_git_pass(git_repository_odb__weakptr(&odb, _repo));
  	cl_assert_equal_b(false, git_odb_exists_ext(odb, &_nonexisting_oid, GIT_ODB_LOOKUP_NO_REFRESH));
  
  	cl_assert_equal_i(0, _fake->refresh_calls);
  }
  

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