thodg/libgit2/tests-clar/reset/soft.c

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• Hash : 31966d20
  Author :
  Date : 2012-10-27T09:30:03
  

  repo: enhance git_repository_state() detection

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• tests-clar/reset/soft.c

• #include "clar_libgit2.h"
  #include "posix.h"
  #include "reset_helpers.h"
  #include "path.h"
  #include "repo/repo_helpers.h"
  
  static git_repository *repo;
  static git_object *target;
  
  void test_reset_soft__initialize(void)
  {
  	repo = cl_git_sandbox_init("testrepo.git");
  }
  
  void test_reset_soft__cleanup(void)
  {
  	git_object_free(target);
  	cl_git_sandbox_cleanup();
  }
  
  static void assert_reset_soft(bool should_be_detached)
  {
  	git_oid oid;
  
  	cl_git_pass(git_reference_name_to_oid(&oid, repo, "HEAD"));
  	cl_git_fail(git_oid_streq(&oid, KNOWN_COMMIT_IN_BARE_REPO));
  
  	retrieve_target_from_oid(&target, repo, KNOWN_COMMIT_IN_BARE_REPO);
  
  	cl_assert(git_repository_head_detached(repo) == should_be_detached);
  
  	cl_git_pass(git_reset(repo, target, GIT_RESET_SOFT));
  
  	cl_assert(git_repository_head_detached(repo) == should_be_detached);
  
  	cl_git_pass(git_reference_name_to_oid(&oid, repo, "HEAD"));
  	cl_git_pass(git_oid_streq(&oid, KNOWN_COMMIT_IN_BARE_REPO));
  }
  
  void test_reset_soft__can_reset_the_non_detached_Head_to_the_specified_commit(void)
  {
  	assert_reset_soft(false);
  }
  
  void test_reset_soft__can_reset_the_detached_Head_to_the_specified_commit(void)
  {
  	git_repository_detach_head(repo);
  
  	assert_reset_soft(true);
  }
  
  void test_reset_soft__resetting_to_the_commit_pointed_at_by_the_Head_does_not_change_the_target_of_the_Head(void)
  {
  	git_oid oid;
  	char raw_head_oid[GIT_OID_HEXSZ + 1];
  
  	cl_git_pass(git_reference_name_to_oid(&oid, repo, "HEAD"));
  	git_oid_fmt(raw_head_oid, &oid);
  	raw_head_oid[GIT_OID_HEXSZ] = '\0';
  
  	retrieve_target_from_oid(&target, repo, raw_head_oid);
  
  	cl_git_pass(git_reset(repo, target, GIT_RESET_SOFT));
  
  	cl_git_pass(git_reference_name_to_oid(&oid, repo, "HEAD"));
  	cl_git_pass(git_oid_streq(&oid, raw_head_oid));
  }
  
  void test_reset_soft__resetting_to_a_tag_sets_the_Head_to_the_peeled_commit(void)
  {
  	git_oid oid;
  
  	/* b25fa35 is a tag, pointing to another tag which points to commit e90810b */
  	retrieve_target_from_oid(&target, repo, "b25fa35b38051e4ae45d4222e795f9df2e43f1d1");
  
  	cl_git_pass(git_reset(repo, target, GIT_RESET_SOFT));
  
  	cl_assert(git_repository_head_detached(repo) == false);
  	cl_git_pass(git_reference_name_to_oid(&oid, repo, "HEAD"));
  	cl_git_pass(git_oid_streq(&oid, KNOWN_COMMIT_IN_BARE_REPO));
  }
  
  void test_reset_soft__cannot_reset_to_a_tag_not_pointing_at_a_commit(void)
  {
  	/* 53fc32d is the tree of commit e90810b */
  	retrieve_target_from_oid(&target, repo, "53fc32d17276939fc79ed05badaef2db09990016");
  
  	cl_git_fail(git_reset(repo, target, GIT_RESET_SOFT));
  	git_object_free(target);
  
  	/* 521d87c is an annotated tag pointing to a blob */
  	retrieve_target_from_oid(&target, repo, "521d87c1ec3aef9824daf6d96cc0ae3710766d91");
  	cl_git_fail(git_reset(repo, target, GIT_RESET_SOFT));
  }
  
  void test_reset_soft__resetting_against_an_orphaned_head_repo_makes_the_head_no_longer_orphaned(void)
  {
  	git_reference *head;
  
  	retrieve_target_from_oid(&target, repo, KNOWN_COMMIT_IN_BARE_REPO);
  
  	make_head_orphaned(repo, NON_EXISTING_HEAD);
  
  	cl_assert_equal_i(true, git_repository_head_orphan(repo));
  
  	cl_git_pass(git_reset(repo, target, GIT_RESET_SOFT));
  
  	cl_assert_equal_i(false, git_repository_head_orphan(repo));
  
  	cl_git_pass(git_reference_lookup(&head, repo, NON_EXISTING_HEAD));
  	cl_assert_equal_i(0, git_oid_streq(git_reference_oid(head), KNOWN_COMMIT_IN_BARE_REPO));
  
  	git_reference_free(head);
  }
  
  void test_reset_soft__fails_when_merging(void)
  {
  	git_buf merge_head_path = GIT_BUF_INIT;
  
  	cl_git_pass(git_repository_detach_head(repo));
  	cl_git_pass(git_buf_joinpath(&merge_head_path, git_repository_path(repo), "MERGE_HEAD"));
  	cl_git_mkfile(git_buf_cstr(&merge_head_path), "beefbeefbeefbeefbeefbeefbeefbeefbeefbeef\n");
  
  	retrieve_target_from_oid(&target, repo, KNOWN_COMMIT_IN_BARE_REPO);
  
  	cl_assert_equal_i(GIT_EUNMERGED, git_reset(repo, target, GIT_RESET_SOFT));
  	cl_git_pass(p_unlink(git_buf_cstr(&merge_head_path)));
  
  	git_buf_free(&merge_head_path);
  }
  

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