thodg/libgit2/tests/odb/sorting.c

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• Hash : e5975f36
  Author :
  Date : 2021-07-30T11:37:12
  

  tests: reset odb backend priority

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• tests/odb/sorting.c

• #include "clar_libgit2.h"
  #include "git2/sys/odb_backend.h"
  #include "odb.h"
  
  typedef struct {
  	git_odb_backend base;
  	size_t position;
  } fake_backend;
  
  static git_odb_backend *new_backend(size_t position)
  {
  	fake_backend *b;
  
  	b = git__calloc(1, sizeof(fake_backend));
  	if (b == NULL)
  		return NULL;
  
  	b->base.free = (void (*)(git_odb_backend *)) git__free;
  	b->base.version = GIT_ODB_BACKEND_VERSION;
  	b->position = position;
  	return (git_odb_backend *)b;
  }
  
  static void check_backend_sorting(git_odb *odb)
  {
  	size_t i, max_i = git_odb_num_backends(odb);
  	fake_backend *internal;
  
  	for (i = 0; i < max_i; ++i) {
  		cl_git_pass(git_odb_get_backend((git_odb_backend **)&internal, odb, i));
  		cl_assert(internal != NULL);
  		cl_assert_equal_sz(i, internal->position);
  	}
  }
  
  static git_odb *_odb;
  
  void test_odb_sorting__initialize(void)
  {
  	cl_git_pass(git_odb_new(&_odb));
  }
  
  void test_odb_sorting__cleanup(void)
  {
  	git_odb_free(_odb);
  	_odb = NULL;
  
  	cl_git_pass(git_libgit2_opts(GIT_OPT_SET_ODB_LOOSE_PRIORITY,
  	                             GIT_ODB_DEFAULT_LOOSE_PRIORITY));
  	cl_git_pass(git_libgit2_opts(GIT_OPT_SET_ODB_PACKED_PRIORITY,
  	                             GIT_ODB_DEFAULT_PACKED_PRIORITY));
  }
  
  void test_odb_sorting__basic_backends_sorting(void)
  {
  	cl_git_pass(git_odb_add_backend(_odb, new_backend(0), 5));
  	cl_git_pass(git_odb_add_backend(_odb, new_backend(2), 3));
  	cl_git_pass(git_odb_add_backend(_odb, new_backend(1), 4));
  	cl_git_pass(git_odb_add_backend(_odb, new_backend(3), 1));
  
  	check_backend_sorting(_odb);
  }
  
  void test_odb_sorting__alternate_backends_sorting(void)
  {
  	cl_git_pass(git_odb_add_backend(_odb, new_backend(1), 5));
  	cl_git_pass(git_odb_add_backend(_odb, new_backend(5), 3));
  	cl_git_pass(git_odb_add_backend(_odb, new_backend(3), 4));
  	cl_git_pass(git_odb_add_backend(_odb, new_backend(7), 1));
  	cl_git_pass(git_odb_add_alternate(_odb, new_backend(0), 5));
  	cl_git_pass(git_odb_add_alternate(_odb, new_backend(4), 3));
  	cl_git_pass(git_odb_add_alternate(_odb, new_backend(2), 4));
  	cl_git_pass(git_odb_add_alternate(_odb, new_backend(6), 1));
  
  	check_backend_sorting(_odb);
  }
  
  void test_odb_sorting__override_default_backend_priority(void)
  {
  	git_odb *new_odb;
  	git_odb_backend *loose, *packed, *backend;
  	cl_git_pass(git_libgit2_opts(GIT_OPT_SET_ODB_LOOSE_PRIORITY, 5));
  	cl_git_pass(git_libgit2_opts(GIT_OPT_SET_ODB_PACKED_PRIORITY, 3));
  	git_odb_backend_pack(&packed, "./testrepo.git/objects");
  	git_odb_backend_loose(&loose, "./testrepo.git/objects", -1, 0, 0, 0);
  
  	cl_git_pass(git_odb_open(&new_odb, cl_fixture("testrepo.git/objects")));
  	cl_assert_equal_sz(2, git_odb_num_backends(new_odb));
  
  	cl_git_pass(git_odb_get_backend(&backend, new_odb, 0));
  	cl_assert_equal_p(loose->read, backend->read);
  
  	cl_git_pass(git_odb_get_backend(&backend, new_odb, 1));
  	cl_assert_equal_p(packed->read, backend->read);
  
  	git_odb_free(new_odb);
  	loose->free(loose);
  	packed->free(packed);
  }
  

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