thodg/libgit2/tests-clar/odb/alternates.c

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• Hash : 85e7efa1
  Author :
  Date : 2012-11-14T13:35:43
  

  odb: recursively load alternates The maximum depth is 5, like in git

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• tests-clar/odb/alternates.c

• #include "clar_libgit2.h"
  #include "odb.h"
  #include "repository.h"
  
  static git_buf destpath, filepath;
  static const char *paths[] = {
  	"A.git", "B.git", "C.git", "D.git", "E.git", "F.git", "G.git"
  };
  static 	git_filebuf file;
  static git_repository *repo;
  
  void test_odb_alternates__cleanup(void)
  {
  	git_buf_free(&destpath);
  	git_buf_free(&filepath);
  }
  
  static void init_linked_repo(const char *path, const char *alternate)
  {
  	git_buf_clear(&destpath);
  	git_buf_clear(&filepath);
  
  	cl_git_pass(git_repository_init(&repo, path, 1));
  	cl_git_pass(git_path_prettify(&destpath, alternate, NULL));
  	cl_git_pass(git_buf_joinpath(&destpath, destpath.ptr, "objects"));
  	cl_git_pass(git_buf_joinpath(&filepath, git_repository_path(repo), "objects/info"));
  	cl_git_pass(git_futils_mkdir(filepath.ptr, NULL, 0755, GIT_MKDIR_PATH));
  	cl_git_pass(git_buf_joinpath(&filepath, filepath.ptr , "alternates"));
  
  	cl_git_pass(git_filebuf_open(&file, git_buf_cstr(&filepath), 0));
  	git_filebuf_printf(&file, "%s\n", git_buf_cstr(&destpath));
  	cl_git_pass(git_filebuf_commit(&file, 0644));
  
  	git_repository_free(repo);
  }
  
  void test_odb_alternates__chained(void)
  {
  	git_commit *commit;
  	git_oid oid;
  
  	/* Set the alternate A -> testrepo.git */
  	init_linked_repo(paths[0], cl_fixture("testrepo.git"));
  
  	/* Set the alternate B -> A */
  	init_linked_repo(paths[1], paths[0]);
  
  	/* Now load B and see if we can find an object from testrepo.git */
  	cl_git_pass(git_repository_open(&repo, paths[1]));
  	git_oid_fromstr(&oid, "a65fedf39aefe402d3bb6e24df4d4f5fe4547750");
  	cl_git_pass(git_commit_lookup(&commit, repo, &oid));
  	git_commit_free(commit);
  	git_repository_free(repo);
  }
  
  void test_odb_alternates__long_chain(void)
  {
  	git_commit *commit;
  	git_oid oid;
  	size_t i;
  
  	/* Set the alternate A -> testrepo.git */
  	init_linked_repo(paths[0], cl_fixture("testrepo.git"));
  
  	/* Set up the five-element chain */
  	for (i = 1; i < ARRAY_SIZE(paths); i++) {
  		init_linked_repo(paths[i], paths[i-1]);
  	}
  
  	/* Now load the last one and see if we can find an object from testrepo.git */
  	cl_git_pass(git_repository_open(&repo, paths[ARRAY_SIZE(paths)-1]));
  	git_oid_fromstr(&oid, "a65fedf39aefe402d3bb6e24df4d4f5fe4547750");
  	cl_git_fail(git_commit_lookup(&commit, repo, &oid));
  	git_repository_free(repo);
  }
  

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