thodg/libgit2/tests/object/peel.c

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• Hash : 753e17b0
  Author :
  Date : 2014-11-19T18:42:29
  

  peel: reject bad queries with EINVALIDSPEC There are some combination of objects and target types which we know cannot be fulfilled. Return EINVALIDSPEC for those to signify that there is a mismatch in the user-provided data and what the object model is capable of satisfying. If we start at a tag and in the course of peeling find out that we cannot reach a particular type, we return EPEEL.

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• tests/object/peel.c

• #include "clar_libgit2.h"
  
  static git_repository *g_repo;
  
  void test_object_peel__initialize(void)
  {
  	cl_git_pass(git_repository_open(&g_repo, cl_fixture("testrepo.git")));
  }
  
  void test_object_peel__cleanup(void)
  {
  	git_repository_free(g_repo);
  	g_repo = NULL;
  }
  
  static void assert_peel(
  	const char *sha,
  	git_otype requested_type,
  	const char* expected_sha,
  	git_otype expected_type)
  {
  	git_oid oid, expected_oid;
  	git_object *obj;
  	git_object *peeled;
  
  	cl_git_pass(git_oid_fromstr(&oid, sha));
  	cl_git_pass(git_object_lookup(&obj, g_repo, &oid, GIT_OBJ_ANY));
  	
  	cl_git_pass(git_object_peel(&peeled, obj, requested_type));
  
  	cl_git_pass(git_oid_fromstr(&expected_oid, expected_sha));
  	cl_assert_equal_oid(&expected_oid, git_object_id(peeled));
  
  	cl_assert_equal_i(expected_type, git_object_type(peeled));
  
  	git_object_free(peeled);
  	git_object_free(obj);
  }
  
  static void assert_peel_error(int error, const char *sha, git_otype requested_type)
  {
  	git_oid oid;
  	git_object *obj;
  	git_object *peeled;
  
  	cl_git_pass(git_oid_fromstr(&oid, sha));
  	cl_git_pass(git_object_lookup(&obj, g_repo, &oid, GIT_OBJ_ANY));
  	
  	cl_assert_equal_i(error, git_object_peel(&peeled, obj, requested_type));
  
  	git_object_free(obj);
  }
  
  void test_object_peel__peeling_an_object_into_its_own_type_returns_another_instance_of_it(void)
  {
  	assert_peel("e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT,
  		"e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT);
  	assert_peel("7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_TAG,
  		"7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_TAG);
  	assert_peel("53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE,
  		"53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE);
  	assert_peel("0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_BLOB,
  		"0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_BLOB);
  }
  
  void test_object_peel__tag(void)
  {
  	assert_peel("7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_COMMIT,
  		"e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT);
  	assert_peel("7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_TREE,
  		"53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE);
  	assert_peel_error(GIT_EPEEL, "7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_BLOB);
  	assert_peel("7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_ANY,
  		    "e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT);
  }
  
  void test_object_peel__commit(void)
  {
  	assert_peel_error(GIT_EINVALIDSPEC, "e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_BLOB);
  	assert_peel("e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_TREE,
  		    "53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE);
  	assert_peel("e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT,
  		    "e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT);
  	assert_peel_error(GIT_EINVALIDSPEC, "e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_TAG);
  	assert_peel("e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_ANY,
  		    "53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE);
  }
  
  void test_object_peel__tree(void)
  {
  	assert_peel_error(GIT_EINVALIDSPEC, "53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_BLOB);
  	assert_peel("53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE,
  		    "53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE);
  	assert_peel_error(GIT_EINVALIDSPEC, "53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_COMMIT);
  	assert_peel_error(GIT_EINVALIDSPEC, "53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TAG);
  	assert_peel_error(GIT_EINVALIDSPEC, "53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_ANY);
  }
  
  void test_object_peel__blob(void)
  {
  	assert_peel("0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_BLOB,
  		    "0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_BLOB);
  	assert_peel_error(GIT_EINVALIDSPEC, "0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_TREE);
  	assert_peel_error(GIT_EINVALIDSPEC, "0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_COMMIT);
  	assert_peel_error(GIT_EINVALIDSPEC, "0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_TAG);
  	assert_peel_error(GIT_EINVALIDSPEC, "0266163a49e280c4f5ed1e08facd36a2bd716bcf", GIT_OBJ_ANY);
  }
  
  void test_object_peel__target_any_object_for_type_change(void)
  {
  	/* tag to commit */
  	assert_peel("7b4384978d2493e851f9cca7858815fac9b10980", GIT_OBJ_ANY,
  		"e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_COMMIT);
  
  	/* commit to tree */
  	assert_peel("e90810b8df3e80c413d903f631643c716887138d", GIT_OBJ_ANY,
  		"53fc32d17276939fc79ed05badaef2db09990016", GIT_OBJ_TREE);
  }
  

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