thodg/libgit2/tests/online/fetch.c

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• Hash : df4448f2
  Author :
  Date : 2022-01-10T21:25:05
  

  online: test with https instead of git protocol GitHub is removing support for the unauthenticated git protocol; test with the https protocol.

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• tests/online/fetch.c

• #include "clar_libgit2.h"
  
  static git_repository *_repo;
  static int counter;
  
  static char *_remote_proxy_scheme = NULL;
  static char *_remote_proxy_host = NULL;
  static char *_remote_proxy_user = NULL;
  static char *_remote_proxy_pass = NULL;
  static char *_remote_redirect_initial = NULL;
  static char *_remote_redirect_subsequent = NULL;
  
  void test_online_fetch__initialize(void)
  {
  	cl_git_pass(git_repository_init(&_repo, "./fetch", 0));
  
  	_remote_proxy_scheme = cl_getenv("GITTEST_REMOTE_PROXY_SCHEME");
  	_remote_proxy_host = cl_getenv("GITTEST_REMOTE_PROXY_HOST");
  	_remote_proxy_user = cl_getenv("GITTEST_REMOTE_PROXY_USER");
  	_remote_proxy_pass = cl_getenv("GITTEST_REMOTE_PROXY_PASS");
  	_remote_redirect_initial = cl_getenv("GITTEST_REMOTE_REDIRECT_INITIAL");
  	_remote_redirect_subsequent = cl_getenv("GITTEST_REMOTE_REDIRECT_SUBSEQUENT");
  }
  
  void test_online_fetch__cleanup(void)
  {
  	git_repository_free(_repo);
  	_repo = NULL;
  
  	cl_fixture_cleanup("./fetch");
  	cl_fixture_cleanup("./redirected");
  
  	git__free(_remote_proxy_scheme);
  	git__free(_remote_proxy_host);
  	git__free(_remote_proxy_user);
  	git__free(_remote_proxy_pass);
  	git__free(_remote_redirect_initial);
  	git__free(_remote_redirect_subsequent);
  }
  
  static int update_tips(const char *refname, const git_oid *a, const git_oid *b, void *data)
  {
  	GIT_UNUSED(refname); GIT_UNUSED(a); GIT_UNUSED(b); GIT_UNUSED(data);
  
  	++counter;
  
  	return 0;
  }
  
  static int progress(const git_indexer_progress *stats, void *payload)
  {
  	size_t *bytes_received = (size_t *)payload;
  	*bytes_received = stats->received_bytes;
  	return 0;
  }
  
  static void do_fetch(const char *url, git_remote_autotag_option_t flag, int n)
  {
  	git_remote *remote;
  	git_fetch_options options = GIT_FETCH_OPTIONS_INIT;
  	size_t bytes_received = 0;
  
  	options.callbacks.transfer_progress = progress;
  	options.callbacks.update_tips = update_tips;
  	options.callbacks.payload = &bytes_received;
  	options.download_tags = flag;
  	counter = 0;
  
  	cl_git_pass(git_remote_create(&remote, _repo, "test", url));
  	cl_git_pass(git_remote_fetch(remote, NULL, &options, NULL));
  	cl_assert_equal_i(counter, n);
  	cl_assert(bytes_received > 0);
  
  	git_remote_free(remote);
  }
  
  void test_online_fetch__default_http(void)
  {
  	do_fetch("http://github.com/libgit2/TestGitRepository.git", GIT_REMOTE_DOWNLOAD_TAGS_AUTO, 6);
  }
  
  void test_online_fetch__default_https(void)
  {
  	do_fetch("https://github.com/libgit2/TestGitRepository.git", GIT_REMOTE_DOWNLOAD_TAGS_AUTO, 6);
  }
  
  void test_online_fetch__no_tags_git(void)
  {
  	do_fetch("https://github.com/libgit2/TestGitRepository.git", GIT_REMOTE_DOWNLOAD_TAGS_NONE, 3);
  }
  
  void test_online_fetch__no_tags_http(void)
  {
  	do_fetch("http://github.com/libgit2/TestGitRepository.git", GIT_REMOTE_DOWNLOAD_TAGS_NONE, 3);
  }
  
  void test_online_fetch__fetch_twice(void)
  {
  	git_remote *remote;
  	cl_git_pass(git_remote_create(&remote, _repo, "test", "https://github.com/libgit2/TestGitRepository.git"));
  	cl_git_pass(git_remote_connect(remote, GIT_DIRECTION_FETCH, NULL, NULL, NULL));
  	cl_git_pass(git_remote_download(remote, NULL, NULL));
      	git_remote_disconnect(remote);
  
  	git_remote_connect(remote, GIT_DIRECTION_FETCH, NULL, NULL, NULL);
  	cl_git_pass(git_remote_download(remote, NULL, NULL));
  	git_remote_disconnect(remote);
  
  	git_remote_free(remote);
  }
  
  static int transferProgressCallback(const git_indexer_progress *stats, void *payload)
  {
  	bool *invoked = (bool *)payload;
  
  	GIT_UNUSED(stats);
  	*invoked = true;
  	return 0;
  }
  
  void test_online_fetch__doesnt_retrieve_a_pack_when_the_repository_is_up_to_date(void)
  {
  	git_repository *_repository;
  	bool invoked = false;
  	git_remote *remote;
  	git_fetch_options options = GIT_FETCH_OPTIONS_INIT;
  	git_clone_options opts = GIT_CLONE_OPTIONS_INIT;
  	opts.bare = true;
  
  	cl_git_pass(git_clone(&_repository, "https://github.com/libgit2/TestGitRepository.git",
  				"./fetch/lg2", &opts));
  	git_repository_free(_repository);
  
  	cl_git_pass(git_repository_open(&_repository, "./fetch/lg2"));
  
  	cl_git_pass(git_remote_lookup(&remote, _repository, "origin"));
  	cl_git_pass(git_remote_connect(remote, GIT_DIRECTION_FETCH, NULL, NULL, NULL));
  
  	cl_assert_equal_i(false, invoked);
  
  	options.callbacks.transfer_progress = &transferProgressCallback;
  	options.callbacks.payload = &invoked;
  	cl_git_pass(git_remote_download(remote, NULL, &options));
  
  	cl_assert_equal_i(false, invoked);
  
  	cl_git_pass(git_remote_update_tips(remote, &options.callbacks, 1, options.download_tags, NULL));
  	git_remote_disconnect(remote);
  
  	git_remote_free(remote);
  	git_repository_free(_repository);
  }
  
  static int cancel_at_half(const git_indexer_progress *stats, void *payload)
  {
  	GIT_UNUSED(payload);
  
  	if (stats->received_objects > (stats->total_objects/2))
  		return -4321;
  	return 0;
  }
  
  void test_online_fetch__can_cancel(void)
  {
  	git_remote *remote;
  	size_t bytes_received = 0;
  	git_fetch_options options = GIT_FETCH_OPTIONS_INIT;
  
  	cl_git_pass(git_remote_create(&remote, _repo, "test",
  				"http://github.com/libgit2/TestGitRepository.git"));
  
  	options.callbacks.transfer_progress = cancel_at_half;
  	options.callbacks.payload = &bytes_received;
  
  	cl_git_pass(git_remote_connect(remote, GIT_DIRECTION_FETCH, NULL, NULL, NULL));
  	cl_git_fail_with(git_remote_download(remote, NULL, &options), -4321);
  	git_remote_disconnect(remote);
  	git_remote_free(remote);
  }
  
  void test_online_fetch__ls_disconnected(void)
  {
  	const git_remote_head **refs;
  	size_t refs_len_before, refs_len_after;
  	git_remote *remote;
  
  	cl_git_pass(git_remote_create(&remote, _repo, "test",
  				"http://github.com/libgit2/TestGitRepository.git"));
  	cl_git_pass(git_remote_connect(remote, GIT_DIRECTION_FETCH, NULL, NULL, NULL));
  	cl_git_pass(git_remote_ls(&refs, &refs_len_before, remote));
  	git_remote_disconnect(remote);
  	cl_git_pass(git_remote_ls(&refs, &refs_len_after, remote));
  
  	cl_assert_equal_i(refs_len_before, refs_len_after);
  
  	git_remote_free(remote);
  }
  
  void test_online_fetch__remote_symrefs(void)
  {
  	const git_remote_head **refs;
  	size_t refs_len;
  	git_remote *remote;
  
  	cl_git_pass(git_remote_create(&remote, _repo, "test",
  				"http://github.com/libgit2/TestGitRepository.git"));
  	cl_git_pass(git_remote_connect(remote, GIT_DIRECTION_FETCH, NULL, NULL, NULL));
  	git_remote_disconnect(remote);
  	cl_git_pass(git_remote_ls(&refs, &refs_len, remote));
  
  	cl_assert_equal_s("HEAD", refs[0]->name);
  	cl_assert_equal_s("refs/heads/master", refs[0]->symref_target);
  
  	git_remote_free(remote);
  }
  
  void test_online_fetch__twice(void)
  {
  	git_remote *remote;
  
  	cl_git_pass(git_remote_create(&remote, _repo, "test", "http://github.com/libgit2/TestGitRepository.git"));
  	cl_git_pass(git_remote_fetch(remote, NULL, NULL, NULL));
  	cl_git_pass(git_remote_fetch(remote, NULL, NULL, NULL));
  
  	git_remote_free(remote);
  }
  
  void test_online_fetch__proxy(void)
  {
      git_remote *remote;
      git_str url = GIT_STR_INIT;
      git_fetch_options fetch_opts;
  
      if (!_remote_proxy_host || !_remote_proxy_user || !_remote_proxy_pass)
          cl_skip();
  
      cl_git_pass(git_str_printf(&url, "%s://%s:%s@%s/",
          _remote_proxy_scheme ? _remote_proxy_scheme : "http",
          _remote_proxy_user, _remote_proxy_pass, _remote_proxy_host));
  
      cl_git_pass(git_fetch_options_init(&fetch_opts, GIT_FETCH_OPTIONS_VERSION));
      fetch_opts.proxy_opts.type = GIT_PROXY_SPECIFIED;
      fetch_opts.proxy_opts.url = url.ptr;
  
      cl_git_pass(git_remote_create(&remote, _repo, "test", "https://github.com/libgit2/TestGitRepository.git"));
      cl_git_pass(git_remote_connect(remote, GIT_DIRECTION_FETCH, NULL, &fetch_opts.proxy_opts, NULL));
      cl_git_pass(git_remote_fetch(remote, NULL, &fetch_opts, NULL));
  
      git_remote_free(remote);
      git_str_dispose(&url);
  }
  
  static int do_redirected_fetch(const char *url, const char *name, const char *config)
  {
  	git_repository *repo;
  	git_remote *remote;
  	int error;
  
  	cl_git_pass(git_repository_init(&repo, "./redirected", 0));
  	cl_fixture_cleanup(name);
  
  	if (config)
  		cl_repo_set_string(repo, "http.followRedirects", config);
  
  	cl_git_pass(git_remote_create(&remote, repo, name, url));
  	error = git_remote_fetch(remote, NULL, NULL, NULL);
  
  	git_remote_free(remote);
  	git_repository_free(repo);
  
  	cl_fixture_cleanup("./redirected");
  
  	return error;
  }
  
  void test_online_fetch__redirect_config(void)
  {
  	if (!_remote_redirect_initial || !_remote_redirect_subsequent)
  		cl_skip();
  
  	/* config defaults */
  	cl_git_pass(do_redirected_fetch(_remote_redirect_initial, "initial", NULL));
  	cl_git_fail(do_redirected_fetch(_remote_redirect_subsequent, "subsequent", NULL));
  
  	/* redirect=initial */
  	cl_git_pass(do_redirected_fetch(_remote_redirect_initial, "initial", "initial"));
  	cl_git_fail(do_redirected_fetch(_remote_redirect_subsequent, "subsequent", "initial"));
  
  	/* redirect=false */
  	cl_git_fail(do_redirected_fetch(_remote_redirect_initial, "initial", "false"));
  	cl_git_fail(do_redirected_fetch(_remote_redirect_subsequent, "subsequent", "false"));
  }
  

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