thodg/libgit2/tests/odb/freshen.c

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• Hash : 27051d4e
  Author :
  Date : 2016-07-22T13:34:19
  

  odb: only freshen pack files every 2 seconds Since writing multiple objects may all already exist in a single packfile, avoid freshening that packfile repeatedly in a tight loop. Instead, only freshen pack files every 2 seconds.

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• tests/odb/freshen.c

• #include "clar_libgit2.h"
  #include "odb.h"
  #include "posix.h"
  
  static git_repository *repo;
  static git_odb *odb;
  
  void test_odb_freshen__initialize(void)
  {
  	repo = cl_git_sandbox_init("testrepo.git");
  	cl_git_pass(git_repository_odb(&odb, repo));
  }
  
  void test_odb_freshen__cleanup(void)
  {
  	git_odb_free(odb);
  	cl_git_sandbox_cleanup();
  }
  
  #define LOOSE_STR "hey\n"
  #define LOOSE_ID  "1385f264afb75a56a5bec74243be9b367ba4ca08"
  #define LOOSE_FN  "13/85f264afb75a56a5bec74243be9b367ba4ca08"
  
  void test_odb_freshen__loose_object(void)
  {
  	git_oid expected_id, id;
  	struct stat before, after;
  	struct p_timeval old_times[2];
  
  	cl_git_pass(git_oid_fromstr(&expected_id, LOOSE_ID));
  
  	old_times[0].tv_sec = 1234567890;
  	old_times[0].tv_usec = 0;
  	old_times[1].tv_sec = 1234567890;
  	old_times[1].tv_usec = 0;
  
  	/* set time to way back */
  	cl_must_pass(p_utimes("testrepo.git/objects/" LOOSE_FN, old_times));
  	cl_must_pass(p_lstat("testrepo.git/objects/" LOOSE_FN, &before));
  
  	cl_git_pass(git_odb_write(&id, odb, LOOSE_STR, CONST_STRLEN(LOOSE_STR),
  		GIT_OBJ_BLOB));
  	cl_assert_equal_oid(&expected_id, &id);
  	cl_must_pass(p_lstat("testrepo.git/objects/" LOOSE_FN, &after));
  
  	cl_assert(before.st_atime < after.st_atime);
  	cl_assert(before.st_mtime < after.st_mtime);
  }
  
  #define PACKED_STR "Testing a readme.txt\n"
  #define PACKED_ID  "6336846bd5c88d32f93ae57d846683e61ab5c530"
  #define PACKED_FN  "pack-d85f5d483273108c9d8dd0e4728ccf0b2982423a.pack"
  
  void test_odb_freshen__packed_object(void)
  {
  	git_oid expected_id, id;
  	struct stat before, after;
  	struct p_timeval old_times[2];
  
  	cl_git_pass(git_oid_fromstr(&expected_id, PACKED_ID));
  
  	old_times[0].tv_sec = 1234567890;
  	old_times[0].tv_usec = 0;
  	old_times[1].tv_sec = 1234567890;
  	old_times[1].tv_usec = 0;
  
  	/* set time to way back */
  	cl_must_pass(p_utimes("testrepo.git/objects/pack/" PACKED_FN, old_times));
  	cl_must_pass(p_lstat("testrepo.git/objects/pack/" PACKED_FN, &before));
  
  	/* ensure that packfile is freshened */
  	cl_git_pass(git_odb_write(&id, odb, PACKED_STR,
  		CONST_STRLEN(PACKED_STR), GIT_OBJ_BLOB));
  	cl_assert_equal_oid(&expected_id, &id);
  	cl_must_pass(p_lstat("testrepo.git/objects/pack/" PACKED_FN, &after));
  
  	cl_assert(before.st_atime < after.st_atime);
  	cl_assert(before.st_mtime < after.st_mtime);
  
  	memcpy(&before, &after, sizeof(struct stat));
  
  	/* ensure that the pack file is not freshened again immediately */
  	cl_git_pass(git_odb_write(&id, odb, PACKED_STR,
  		CONST_STRLEN(PACKED_STR), GIT_OBJ_BLOB));
  	cl_assert_equal_oid(&expected_id, &id);
  	cl_must_pass(p_lstat("testrepo.git/objects/pack/" PACKED_FN, &after));
  
  	cl_assert(before.st_atime == after.st_atime);
  	cl_assert(before.st_atime_nsec == after.st_atime_nsec);
  	cl_assert(before.st_mtime == after.st_mtime);
  	cl_assert(before.st_mtime_nsec == after.st_mtime_nsec);
  }
  
  

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