thodg/libgit2/tests/odb/mixed.c

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• Hash : f5753999
  Author :
  Date : 2014-03-04T15:34:23
  

  Add exists_prefix to ODB backend and ODB API

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• tests/odb/mixed.c

• #include "clar_libgit2.h"
  #include "odb.h"
  
  static git_odb *_odb;
  
  void test_odb_mixed__initialize(void)
  {
  	cl_git_pass(git_odb_open(&_odb, cl_fixture("duplicate.git/objects")));
  }
  
  void test_odb_mixed__cleanup(void)
  {
  	git_odb_free(_odb);
  	_odb = NULL;
  }
  
  void test_odb_mixed__dup_oid(void) {
  	const char hex[] = "ce013625030ba8dba906f756967f9e9ca394464a";
  	const char short_hex[] = "ce01362";
  	git_oid oid;
  	git_odb_object *obj;
  
  	cl_git_pass(git_oid_fromstr(&oid, hex));
  	cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, GIT_OID_HEXSZ));
  	git_odb_object_free(obj);
  
  	cl_git_pass(git_odb_exists_prefix(NULL, _odb, &oid, GIT_OID_HEXSZ));
  
  	cl_git_pass(git_oid_fromstrn(&oid, short_hex, sizeof(short_hex) - 1));
  	cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, sizeof(short_hex) - 1));
  	git_odb_object_free(obj);
  
  	cl_git_pass(git_odb_exists_prefix(NULL, _odb, &oid, sizeof(short_hex) - 1));
  }
  
  /* some known sha collisions of file content:
   *   'aabqhq' and 'aaazvc' with prefix 'dea509d0' (+ '9' and + 'b')
   *   'aaeufo' and 'aaaohs' with prefix '81b5bff5' (+ 'f' and + 'b')
   *   'aafewy' and 'aaepta' with prefix '739e3c4c'
   *   'aahsyn' and 'aadrjg' with prefix '0ddeaded' (+ '9' and + 'e')
   */
  
  void test_odb_mixed__dup_oid_prefix_0(void) {
  	char hex[10];
  	git_oid oid, found;
  	git_odb_object *obj;
  
  	/* ambiguous in the same pack file */
  
  	strncpy(hex, "dea509d0", sizeof(hex));
  	cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
  	cl_assert_equal_i(
  		GIT_EAMBIGUOUS, git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
  	cl_assert_equal_i(
  		GIT_EAMBIGUOUS, git_odb_exists_prefix(&found, _odb, &oid, strlen(hex)));
  
  	strncpy(hex, "dea509d09", sizeof(hex));
  	cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
  	cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
  	cl_git_pass(git_odb_exists_prefix(&found, _odb, &oid, strlen(hex)));
  	cl_assert(git_oid_equal(&found, git_odb_object_id(obj)));
  	git_odb_object_free(obj);
  
  	strncpy(hex, "dea509d0b", sizeof(hex));
  	cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
  	cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
  	git_odb_object_free(obj);
  
  	/* ambiguous in different pack files */
  
  	strncpy(hex, "81b5bff5", sizeof(hex));
  	cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
  	cl_assert_equal_i(
  		GIT_EAMBIGUOUS, git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
  	cl_assert_equal_i(
  		GIT_EAMBIGUOUS, git_odb_exists_prefix(&found, _odb, &oid, strlen(hex)));
  
  	strncpy(hex, "81b5bff5b", sizeof(hex));
  	cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
  	cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
  	cl_git_pass(git_odb_exists_prefix(&found, _odb, &oid, strlen(hex)));
  	cl_assert(git_oid_equal(&found, git_odb_object_id(obj)));
  	git_odb_object_free(obj);
  
  	strncpy(hex, "81b5bff5f", sizeof(hex));
  	cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
  	cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
  	git_odb_object_free(obj);
  
  	/* ambiguous in pack file and loose */
  
  	strncpy(hex, "0ddeaded", sizeof(hex));
  	cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
  	cl_assert_equal_i(
  		GIT_EAMBIGUOUS, git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
  	cl_assert_equal_i(
  		GIT_EAMBIGUOUS, git_odb_exists_prefix(&found, _odb, &oid, strlen(hex)));
  
  	strncpy(hex, "0ddeaded9", sizeof(hex));
  	cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
  	cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
  	cl_git_pass(git_odb_exists_prefix(&found, _odb, &oid, strlen(hex)));
  	cl_assert(git_oid_equal(&found, git_odb_object_id(obj)));
  	git_odb_object_free(obj);
  
  	strncpy(hex, "0ddeadede", sizeof(hex));
  	cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex)));
  	cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex)));
  	git_odb_object_free(obj);
  }
  

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