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

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• Hash : 2add34d0
  Author :
  Date : 2017-06-12T14:53:46
  

  tests: odb: move fake backend into its own file
  
  The fake backend used by the test suite `odb::backend::nonrefreshing` is
  useful to have some low-level tests for the ODB layer. As such, we move
  the implementation into its own `backend_helpers` module.
  

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• tests/odb/backend/backend_helpers.c

• #include "clar_libgit2.h"
  #include "git2/sys/odb_backend.h"
  #include "backend_helpers.h"
  
  static int fake_backend__exists(git_odb_backend *backend, const git_oid *oid)
  {
  	fake_backend *fake;
  
  	GIT_UNUSED(oid);
  
  	fake = (fake_backend *)backend;
  
  	fake->exists_calls++;
  
  	return (fake->error_code == GIT_OK);
  }
  
  static int fake_backend__read(
  	void **buffer_p, size_t *len_p, git_otype *type_p,
  	git_odb_backend *backend, const git_oid *oid)
  {
  	fake_backend *fake;
  
  	GIT_UNUSED(buffer_p);
  	GIT_UNUSED(len_p);
  	GIT_UNUSED(type_p);
  	GIT_UNUSED(oid);
  
  	fake = (fake_backend *)backend;
  
  	fake->read_calls++;
  
  	*len_p = 0;
  	*buffer_p = NULL;
  	*type_p = GIT_OBJ_BLOB;
  
  	return fake->error_code;
  }
  
  static int fake_backend__read_header(
  	size_t *len_p, git_otype *type_p,
  	git_odb_backend *backend, const git_oid *oid)
  {
  	fake_backend *fake;
  
  	GIT_UNUSED(len_p);
  	GIT_UNUSED(type_p);
  	GIT_UNUSED(oid);
  
  	fake = (fake_backend *)backend;
  
  	fake->read_header_calls++;
  
  	*len_p = 0;
  	*type_p = GIT_OBJ_BLOB;
  
  	return fake->error_code;
  }
  
  static int fake_backend__read_prefix(
  	git_oid *out_oid, void **buffer_p, size_t *len_p, git_otype *type_p,
  	git_odb_backend *backend, const git_oid *short_oid, size_t len)
  {
  	fake_backend *fake;
  
  	GIT_UNUSED(buffer_p);
  	GIT_UNUSED(len_p);
  	GIT_UNUSED(type_p);
  	GIT_UNUSED(short_oid);
  	GIT_UNUSED(len);
  
  	fake = (fake_backend *)backend;
  
  	fake->read_prefix_calls++;
  
  	git_oid_cpy(out_oid, &fake->oid);
  	*len_p = 0;
  	*buffer_p = NULL;
  	*type_p = GIT_OBJ_BLOB;
  
  	return fake->error_code;
  }
  
  static void fake_backend__free(git_odb_backend *_backend)
  {
  	fake_backend *backend;
  
  	backend = (fake_backend *)_backend;
  
  	git__free(backend);
  }
  
  int build_fake_backend(
  	git_odb_backend **out,
  	git_error_code error_code,
  	const git_oid *oid)
  {
  	fake_backend *backend;
  
  	backend = git__calloc(1, sizeof(fake_backend));
  	GITERR_CHECK_ALLOC(backend);
  
  	backend->parent.version = GIT_ODB_BACKEND_VERSION;
  
  	backend->parent.refresh = NULL;
  	backend->error_code = error_code;
  
  	backend->parent.read = fake_backend__read;
  	backend->parent.read_prefix = fake_backend__read_prefix;
  	backend->parent.read_header = fake_backend__read_header;
  	backend->parent.exists = fake_backend__exists;
  	backend->parent.free = &fake_backend__free;
  
  	git_oid_cpy(&backend->oid, oid);
  
  	*out = (git_odb_backend *)backend;
  
  	return 0;
  }
  

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