thodg/libgit2/tests/refs/delete.c

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• Hash : 852c83ee
  Author :
  Date : 2020-01-15T13:31:21
  

  refs: refuse to delete HEAD This requires adding a new symbolic ref to the testrepo fixture. Some of the existing tests attempt to delete HEAD, expecting a different failure. Introduce and use a non-HEAD symbolic ref instead. Adjust a few other tests as needed. Fixes #5357

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• tests/refs/delete.c

• #include "clar_libgit2.h"
  
  #include "futils.h"
  #include "git2/reflog.h"
  #include "git2/refdb.h"
  #include "reflog.h"
  #include "ref_helpers.h"
  
  static const char *packed_test_head_name = "refs/heads/packed-test";
  static const char *current_master_tip = "a65fedf39aefe402d3bb6e24df4d4f5fe4547750";
  
  static git_repository *g_repo;
  
  
  
  void test_refs_delete__initialize(void)
  {
     g_repo = cl_git_sandbox_init("testrepo");
  }
  
  void test_refs_delete__cleanup(void)
  {
     cl_git_sandbox_cleanup();
  }
  
  
  
  void test_refs_delete__packed_loose(void)
  {
  	/* deleting a ref which is both packed and loose should remove both tracks in the filesystem */
  	git_reference *looked_up_ref, *another_looked_up_ref;
  	git_buf temp_path = GIT_BUF_INIT;
  
  	/* Ensure the loose reference exists on the file system */
  	cl_git_pass(git_buf_joinpath(&temp_path, git_repository_path(g_repo), packed_test_head_name));
  	cl_assert(git_path_exists(temp_path.ptr));
  
  	/* Lookup the reference */
  	cl_git_pass(git_reference_lookup(&looked_up_ref, g_repo, packed_test_head_name));
  
  	/* Ensure it's the loose version that has been found */
  	cl_assert(reference_is_packed(looked_up_ref) == 0);
  
  	/* Now that the reference is deleted... */
  	cl_git_pass(git_reference_delete(looked_up_ref));
  	git_reference_free(looked_up_ref);
  
  	/* Looking up the reference once again should not retrieve it */
  	cl_git_fail(git_reference_lookup(&another_looked_up_ref, g_repo, packed_test_head_name));
  
  	/* Ensure the loose reference doesn't exist any longer on the file system */
  	cl_assert(!git_path_exists(temp_path.ptr));
  
  	git_reference_free(another_looked_up_ref);
  	git_buf_dispose(&temp_path);
  }
  
  void test_refs_delete__packed_only(void)
  {
  	/* can delete a just packed reference */
  	git_reference *ref;
  	git_refdb *refdb;
  	git_oid id;
  	const char *new_ref = "refs/heads/new_ref";
  
  	git_oid_fromstr(&id, current_master_tip);
  
  	/* Create and write the new object id reference */
  	cl_git_pass(git_reference_create(&ref, g_repo, new_ref, &id, 0, NULL));
  	git_reference_free(ref);
  
  	/* Lookup the reference */
  	cl_git_pass(git_reference_lookup(&ref, g_repo, new_ref));
  
  	/* Ensure it's a loose reference */
  	cl_assert(reference_is_packed(ref) == 0);
  
  	/* Pack all existing references */
  	cl_git_pass(git_repository_refdb(&refdb, g_repo));
  	cl_git_pass(git_refdb_compress(refdb));
  
  	/* Reload the reference from disk */
  	git_reference_free(ref);
  	cl_git_pass(git_reference_lookup(&ref, g_repo, new_ref));
  
  	/* Ensure it's a packed reference */
  	cl_assert(reference_is_packed(ref) == 1);
  
  	/* This should pass */
  	cl_git_pass(git_reference_delete(ref));
  	git_reference_free(ref);
  	git_refdb_free(refdb);
  }
  
  void test_refs_delete__remove(void)
  {
  	git_reference *ref;
  
  	/* Check that passing no old values lets us delete */
  
  	cl_git_pass(git_reference_lookup(&ref, g_repo, packed_test_head_name));
  	git_reference_free(ref);
  
  	cl_git_pass(git_reference_remove(g_repo, packed_test_head_name));
  
  	cl_git_fail(git_reference_lookup(&ref, g_repo, packed_test_head_name));
  }
  
  void test_refs_delete__head(void)
  {
  	git_reference *ref;
  
  	/* Check that it is not possible to delete HEAD */
  
  	cl_git_pass(git_reference_lookup(&ref, g_repo, "HEAD"));
  	cl_git_fail(git_reference_delete(ref));
  	git_reference_free(ref);
  }
  

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