thodg/libgit2/tests/revwalk/hidecb.c

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• Hash : 0836f069
  Author :
  Date : 2018-11-14T16:08:30
  

  revwalk: Allow changing hide_cb Since git_revwalk objects are encouraged to be reused, a public interface for changing hide_cb is desirable.

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• tests/revwalk/hidecb.c

• #include "clar_libgit2.h"
  /*
  *   a4a7dce [0] Merge branch 'master' into br2
  |\
  | * 9fd738e [1] a fourth commit
  | * 4a202b3 [2] a third commit
  * | c47800c [3] branch commit one
  |/
  * 5b5b025 [5] another commit
  * 8496071 [4] testing
  */
  static const char *commit_head = "a4a7dce85cf63874e984719f4fdd239f5145052f";
  
  static const char *commit_strs[] = {
  	"a4a7dce85cf63874e984719f4fdd239f5145052f", /* 0 */
  	"9fd738e8f7967c078dceed8190330fc8648ee56a", /* 1 */
  	"4a202b346bb0fb0db7eff3cffeb3c70babbd2045", /* 2 */
  	"c47800c7266a2be04c571c04d5a6614691ea99bd", /* 3 */
  	"8496071c1b46c854b31185ea97743be6a8774479", /* 4 */
  	"5b5b025afb0b4c913b4c338a42934a3863bf3644", /* 5 */
  };
  
  #define commit_count 6
  
  static git_oid commit_ids[commit_count];
  static git_oid _head_id;
  static git_repository *_repo;
  
  
  void test_revwalk_hidecb__initialize(void)
  {
  	int i;
  
  	cl_git_pass(git_repository_open(&_repo, cl_fixture("testrepo.git")));
  	cl_git_pass(git_oid_fromstr(&_head_id, commit_head));
  
  	for (i = 0; i < commit_count; i++)
  		cl_git_pass(git_oid_fromstr(&commit_ids[i], commit_strs[i]));
  
  }
  
  void test_revwalk_hidecb__cleanup(void)
  {
  	git_repository_free(_repo);
  	_repo = NULL;
  }
  
  /* Hide all commits */
  static int hide_every_commit_cb(const git_oid *commit_id, void *data)
  {
  	GIT_UNUSED(commit_id);
  	GIT_UNUSED(data);
  
  	return 1;
  }
  
  /* Do not hide anything */
  static int hide_none_cb(const git_oid *commit_id, void *data)
  {
  	GIT_UNUSED(commit_id);
  	GIT_UNUSED(data);
  
  	return 0;
  }
  
  /* Hide some commits */
  static int hide_commit_cb(const git_oid *commit_id, void *data)
  {
  	GIT_UNUSED(commit_id);
  	GIT_UNUSED(data);
  
  	return (git_oid_cmp(commit_id, &commit_ids[5]) == 0);
  }
  
  /* In payload data, pointer to a commit id is passed */
  static int hide_commit_use_payload_cb(const git_oid *commit_id, void *data)
  {
  	git_oid *hide_commit_id = data;
  
  	return (git_oid_cmp(commit_id, hide_commit_id) == 0);
  }
  
  void test_revwalk_hidecb__hide_all_cb(void)
  {
  	git_revwalk *walk;
  	git_oid id;
  
  	cl_git_pass(git_revwalk_new(&walk, _repo));
  	cl_git_pass(git_revwalk_add_hide_cb(walk, hide_every_commit_cb, NULL));
  	cl_git_pass(git_revwalk_push(walk, &_head_id));
  
  	/* First call to git_revwalk_next should return GIT_ITEROVER */
  	cl_assert_equal_i(GIT_ITEROVER, git_revwalk_next(&id, walk));
  
  	git_revwalk_free(walk);
  }
  
  
  void test_revwalk_hidecb__hide_none_cb(void)
  {
  	git_revwalk *walk;
  	int i, error;
  	git_oid id;
  
  	cl_git_pass(git_revwalk_new(&walk, _repo));
  	cl_git_pass(git_revwalk_add_hide_cb(walk, hide_none_cb, NULL));
  	cl_git_pass(git_revwalk_push(walk, &_head_id));
  
  	/* It should return all 6 commits */
  	i = 0;
  	while ((error = git_revwalk_next(&id, walk)) == 0)
  		i++;
  
  	cl_assert_equal_i(i, 6);
  	cl_assert_equal_i(error, GIT_ITEROVER);
  
  	git_revwalk_free(walk);
  }
  
  void test_revwalk_hidecb__unset_cb_before_walk(void)
  {
  	git_revwalk *walk;
  	git_oid id;
  	int i, error;
  
  	cl_git_pass(git_revwalk_new(&walk, _repo));
  	cl_git_pass(git_revwalk_add_hide_cb(walk, hide_every_commit_cb, NULL));
  	cl_git_pass(git_revwalk_add_hide_cb(walk, NULL, NULL));
  	cl_git_pass(git_revwalk_push(walk, &_head_id));
  
  	/* It should return all 6 commits */
  	i = 0;
  	while ((error = git_revwalk_next(&id, walk)) == 0)
  		i++;
  
  	cl_assert_equal_i(i, 6);
  	cl_assert_equal_i(error, GIT_ITEROVER);
  
  	git_revwalk_free(walk);
  }
  
  void test_revwalk_hidecb__change_cb_before_walk(void)
  {
  	git_revwalk *walk;
  	git_oid id;
  
  	cl_git_pass(git_revwalk_new(&walk, _repo));
  	cl_git_pass(git_revwalk_add_hide_cb(walk, hide_none_cb, NULL));
  	cl_git_pass(git_revwalk_add_hide_cb(walk, hide_every_commit_cb, NULL));
  	cl_git_pass(git_revwalk_push(walk, &_head_id));
  
  	/* First call to git_revwalk_next should return GIT_ITEROVER */
  	cl_assert_equal_i(GIT_ITEROVER, git_revwalk_next(&id, walk));
  
  	git_revwalk_free(walk);
  }
  
  void test_revwalk_hidecb__add_hide_cb_during_walking(void)
  {
  	git_revwalk *walk;
  	git_oid id;
  	int error;
  
  	cl_git_pass(git_revwalk_new(&walk, _repo));
  	cl_git_pass(git_revwalk_push(walk, &_head_id));
  
  	/* Start walking without adding hide callback */
  	cl_git_pass(git_revwalk_next(&id, walk));
  
  	/* Now add hide callback */
  	cl_git_pass(git_revwalk_add_hide_cb(walk, hide_none_cb, NULL));
  
  	/* walk should be reset */
  	error = git_revwalk_next(&id, walk);
  	cl_assert_equal_i(error, GIT_ITEROVER);
  
  	git_revwalk_free(walk);
  }
  
  void test_revwalk_hidecb__hide_some_commits(void)
  {
  	git_revwalk *walk;
  	git_oid id;
  	int i, error;
  
  	cl_git_pass(git_revwalk_new(&walk, _repo));
  	cl_git_pass(git_revwalk_push(walk, &_head_id));
  	git_revwalk_sorting(walk, GIT_SORT_TOPOLOGICAL);
  
  	/* Add hide callback */
  	cl_git_pass(git_revwalk_add_hide_cb(walk, hide_commit_cb, NULL));
  
  	i = 0;
  	while ((error = git_revwalk_next(&id, walk)) == 0) {
  		cl_assert_equal_oid(&commit_ids[i], &id);
  		i++;
  	}
  
  	cl_assert_equal_i(i, 4);
  	cl_assert_equal_i(error, GIT_ITEROVER);
  
  	git_revwalk_free(walk);
  }
  
  void test_revwalk_hidecb__test_payload(void)
  {
  	git_revwalk *walk;
  	git_oid id;
  	int i, error;
  
  	cl_git_pass(git_revwalk_new(&walk, _repo));
  	cl_git_pass(git_revwalk_push(walk, &_head_id));
  	git_revwalk_sorting(walk, GIT_SORT_TOPOLOGICAL);
  
  	/* Add hide callback, pass id of parent of initial commit as payload data */
  	cl_git_pass(git_revwalk_add_hide_cb(walk, hide_commit_use_payload_cb, &commit_ids[5]));
  
  	i = 0;
  	while ((error = git_revwalk_next(&id, walk)) == 0) {
  		cl_assert_equal_oid(&commit_ids[i], &id);
  		i++;
  	}
  
  	/* walker should return four commits */
  	cl_assert_equal_i(i, 4);
  	cl_assert_equal_i(error, GIT_ITEROVER);
  
  	git_revwalk_free(walk);
  }
  
  

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