thodg/libgit2/tests-clar/online/push.c

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• Hash : 5be622fb
  Author :
  Date : 2013-08-11T01:37:44
  

  Test SSH in travis Set up the ssh credentials so we are able to talk to localhost and issue git commands. Move to use a script, as the command list is getting somewhat long. While here, delay installing valgrind until we need it, as it and its dependencies are by far the largest downloads and this allows us to start compiling (and failing) faster and we only incur this cost when the test suite runs successfully.

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• tests-clar/online/push.c

• #include "clar_libgit2.h"
  #include "buffer.h"
  #include "posix.h"
  #include "vector.h"
  #include "../submodule/submodule_helpers.h"
  #include "push_util.h"
  #include "refspec.h"
  #include "remote.h"
  
  static git_repository *_repo;
  
  static char *_remote_ssh_key;
  static char *_remote_ssh_pubkey;
  static char *_remote_ssh_passphrase;
  
  static char *_remote_url;
  static char *_remote_user;
  static char *_remote_pass;
  
  static git_remote *_remote;
  static bool _cred_acquire_called;
  static record_callbacks_data _record_cbs_data = {{ 0 }};
  static git_remote_callbacks _record_cbs = RECORD_CALLBACKS_INIT(&_record_cbs_data);
  
  static git_oid _oid_b6;
  static git_oid _oid_b5;
  static git_oid _oid_b4;
  static git_oid _oid_b3;
  static git_oid _oid_b2;
  static git_oid _oid_b1;
  
  static git_oid _tag_commit;
  static git_oid _tag_tree;
  static git_oid _tag_blob;
  static git_oid _tag_lightweight;
  
  static int cred_acquire_cb(
  		git_cred **cred,
  		const char *url,
  		const char *user_from_url,
  		unsigned int allowed_types,
  		void *payload)
  {
  	GIT_UNUSED(url);
  	GIT_UNUSED(user_from_url);
  
  	*((bool*)payload) = true;
  
  	if (GIT_CREDTYPE_SSH_PUBLICKEY & allowed_types)
  		return git_cred_ssh_keyfile_passphrase_new(cred, _remote_user, _remote_ssh_pubkey, _remote_ssh_key, _remote_ssh_passphrase);
  
  	if ((GIT_CREDTYPE_USERPASS_PLAINTEXT & allowed_types) == 0 ||
  		git_cred_userpass_plaintext_new(cred, _remote_user, _remote_pass) < 0)
  		return -1;
  
  	return 0;
  }
  
  typedef struct {
  	const char *ref;
  	const char *msg;
  } push_status;
  
  /**
   * git_push_status_foreach callback that records status entries.
   * @param data (git_vector *) of push_status instances
   */
  static int record_push_status_cb(const char *ref, const char *msg, void *data)
  {
  	git_vector *statuses = (git_vector *)data;
  	push_status *s;
  
  	cl_assert(s = git__malloc(sizeof(*s)));
  	s->ref = ref;
  	s->msg = msg;
  
  	git_vector_insert(statuses, s);
  
  	return 0;
  }
  
  static void do_verify_push_status(git_push *push, const push_status expected[], const size_t expected_len)
  {
  	git_vector actual = GIT_VECTOR_INIT;
  	push_status *iter;
  	bool failed = false;
  	size_t i;
  
  	git_push_status_foreach(push, record_push_status_cb, &actual);
  
  	if (expected_len != actual.length)
  		failed = true;
  	else
  		git_vector_foreach(&actual, i, iter)
  			if (strcmp(expected[i].ref, iter->ref) ||
  				(expected[i].msg && !iter->msg) ||
  				(!expected[i].msg && iter->msg) ||
  				(expected[i].msg && iter->msg && strcmp(expected[i].msg, iter->msg))) {
  				failed = true;
  				break;
  			}
  
  	if (failed) {
  		git_buf msg = GIT_BUF_INIT;
  
  		git_buf_puts(&msg, "Expected and actual push statuses differ:\nEXPECTED:\n");
  
  		for(i = 0; i < expected_len; i++) {
  			git_buf_printf(&msg, "%s: %s\n",
  				expected[i].ref,
  				expected[i].msg ? expected[i].msg : "<NULL>");
  		}
  
  		git_buf_puts(&msg, "\nACTUAL:\n");
  
  		git_vector_foreach(&actual, i, iter)
  			git_buf_printf(&msg, "%s: %s\n", iter->ref, iter->msg);
  
  		cl_fail(git_buf_cstr(&msg));
  
  		git_buf_free(&msg);
  	}
  
  	git_vector_foreach(&actual, i, iter)
  		git__free(iter);
  
  	git_vector_free(&actual);
  }
  
  /**
   * Verifies that after git_push_finish(), refs on a remote have the expected
   * names, oids, and order.
   *
   * @param remote remote to verify
   * @param expected_refs expected remote refs after push
   * @param expected_refs_len length of expected_refs
   */
  static void verify_refs(git_remote *remote, expected_ref expected_refs[], size_t expected_refs_len)
  {
  	git_vector actual_refs = GIT_VECTOR_INIT;
  
  	git_remote_ls(remote, record_ref_cb, &actual_refs);
  	verify_remote_refs(&actual_refs, expected_refs, expected_refs_len);
  
  	git_vector_free(&actual_refs);
  }
  
  static int tracking_branch_list_cb(const char *branch_name, git_branch_t branch_type, void *payload)
  {
  	git_vector *tracking = (git_vector *)payload;
  
  	if (branch_type == GIT_BRANCH_REMOTE)
  		git_vector_insert(tracking, git__strdup(branch_name));
  	else
  		GIT_UNUSED(branch_name);
  
  	return 0;
  }
  
  /**
   * Verifies that after git_push_update_tips(), remote tracking branches have the expected
   * names and oids.
   *
   * @param remote remote to verify
   * @param expected_refs expected remote refs after push
   * @param expected_refs_len length of expected_refs
   */
  static void verify_tracking_branches(git_remote *remote, expected_ref expected_refs[], size_t expected_refs_len)
  {
  	git_refspec *fetch_spec;
  	size_t i, j;
  	git_buf msg = GIT_BUF_INIT;
  	git_buf ref_name = GIT_BUF_INIT;
  	git_buf canonical_ref_name = GIT_BUF_INIT;
  	git_vector actual_refs = GIT_VECTOR_INIT;
  	char *actual_ref;
  	git_oid oid;
  	int failed = 0;
  
  	/* Get current remote branches */
  	cl_git_pass(git_branch_foreach(remote->repo, GIT_BRANCH_REMOTE, tracking_branch_list_cb, &actual_refs));
  
  	/* Loop through expected refs, make sure they exist */
  	for (i = 0; i < expected_refs_len; i++) {
  
  		/* Convert remote reference name into tracking branch name.
  		 * If the spec is not under refs/heads/, then skip.
  		 */
  		fetch_spec = git_remote__matching_refspec(remote, expected_refs[i].name);
  		if (!fetch_spec)
  			continue;
  
  		cl_git_pass(git_refspec_transform_r(&ref_name, fetch_spec, expected_refs[i].name));
  
  		/* Find matching remote branch */
  		git_vector_foreach(&actual_refs, j, actual_ref) {
  
  			/* Construct canonical ref name from the actual_ref name */
  			git_buf_clear(&canonical_ref_name);
  			cl_git_pass(git_buf_printf(&canonical_ref_name, "refs/remotes/%s", actual_ref));
  			if (!strcmp(git_buf_cstr(&ref_name), git_buf_cstr(&canonical_ref_name)))
  				break;
  		}
  
  		if (j == actual_refs.length) {
  			git_buf_printf(&msg, "Did not find expected tracking branch '%s'.", git_buf_cstr(&ref_name));
  			failed = 1;
  			goto failed;
  		}
  
  		/* Make sure tracking branch is at expected commit ID */
  		cl_git_pass(git_reference_name_to_id(&oid, remote->repo, git_buf_cstr(&canonical_ref_name)));
  
  		if (git_oid_cmp(expected_refs[i].oid, &oid) != 0) {
  			git_buf_puts(&msg, "Tracking branch commit does not match expected ID.");
  			failed = 1;
  			goto failed;
  		}
  
  		git__free(actual_ref);
  		cl_git_pass(git_vector_remove(&actual_refs, j));
  	}
  
  	/* Make sure there are no extra branches */
  	if (actual_refs.length > 0) {
  		git_buf_puts(&msg, "Unexpected remote tracking branches exist.");
  		failed = 1;
  		goto failed;
  	}
  
  failed:
  
  	if(failed)
  		cl_fail(git_buf_cstr(&msg));
  
  	git_vector_foreach(&actual_refs, i, actual_ref)
  		git__free(actual_ref);
  
  	git_vector_free(&actual_refs);
  	git_buf_free(&msg);
  	git_buf_free(&canonical_ref_name);
  	git_buf_free(&ref_name);
  	return;
  }
  
  void test_online_push__initialize(void)
  {
  	git_vector delete_specs = GIT_VECTOR_INIT;
  	size_t i;
  	char *curr_del_spec;
  	_cred_acquire_called = false;
  
  	_repo = cl_git_sandbox_init("push_src");
  
  	cl_fixture_sandbox("testrepo.git");
  	cl_rename("push_src/submodule/.gitted", "push_src/submodule/.git");
  
  	rewrite_gitmodules(git_repository_workdir(_repo));
  
  	/* git log --format=oneline --decorate --graph
  	 * *-.   951bbbb90e2259a4c8950db78946784fb53fcbce (HEAD, b6) merge b3, b4, and b5 to b6
  	 * |\ \
  	 * | | * fa38b91f199934685819bea316186d8b008c52a2 (b5) added submodule named 'submodule' pointing to '../testrepo.git'
  	 * | * | 27b7ce66243eb1403862d05f958c002312df173d (b4) edited fold\b.txt
  	 * | |/
  	 * * | d9b63a88223d8367516f50bd131a5f7349b7f3e4 (b3) edited a.txt
  	 * |/
  	 * * a78705c3b2725f931d3ee05348d83cc26700f247 (b2, b1) added fold and fold/b.txt
  	 * * 5c0bb3d1b9449d1cc69d7519fd05166f01840915 added a.txt
  	 */
  	git_oid_fromstr(&_oid_b6, "951bbbb90e2259a4c8950db78946784fb53fcbce");
  	git_oid_fromstr(&_oid_b5, "fa38b91f199934685819bea316186d8b008c52a2");
  	git_oid_fromstr(&_oid_b4, "27b7ce66243eb1403862d05f958c002312df173d");
  	git_oid_fromstr(&_oid_b3, "d9b63a88223d8367516f50bd131a5f7349b7f3e4");
  	git_oid_fromstr(&_oid_b2, "a78705c3b2725f931d3ee05348d83cc26700f247");
  	git_oid_fromstr(&_oid_b1, "a78705c3b2725f931d3ee05348d83cc26700f247");
  
  	git_oid_fromstr(&_tag_commit, "805c54522e614f29f70d2413a0470247d8b424ac");
  	git_oid_fromstr(&_tag_tree, "ff83aa4c5e5d28e3bcba2f5c6e2adc61286a4e5e");
  	git_oid_fromstr(&_tag_blob, "b483ae7ba66decee9aee971f501221dea84b1498");
  	git_oid_fromstr(&_tag_lightweight, "951bbbb90e2259a4c8950db78946784fb53fcbce");
  
  	/* Remote URL environment variable must be set.  User and password are optional.  */
  	_remote_url = cl_getenv("GITTEST_REMOTE_URL");
  	_remote_user = cl_getenv("GITTEST_REMOTE_USER");
  	_remote_pass = cl_getenv("GITTEST_REMOTE_PASS");
  	_remote_ssh_key = cl_getenv("GITTEST_REMOTE_SSH_KEY");
  	_remote_ssh_pubkey = cl_getenv("GITTEST_REMOTE_SSH_PUBKEY");
  	_remote_ssh_passphrase = cl_getenv("GITTEST_REMOTE_SSH_PASSPHRASE");
  	_remote = NULL;
  
  	if (_remote_url) {
  		cl_git_pass(git_remote_create(&_remote, _repo, "test", _remote_url));
  
  		git_remote_set_cred_acquire_cb(_remote, cred_acquire_cb, &_cred_acquire_called);
  		record_callbacks_data_clear(&_record_cbs_data);
  		git_remote_set_callbacks(_remote, &_record_cbs);
  
  		cl_git_pass(git_remote_connect(_remote, GIT_DIRECTION_PUSH));
  
  		/* Clean up previously pushed branches.  Fails if receive.denyDeletes is
  		 * set on the remote.  Also, on Git 1.7.0 and newer, you must run
  		 * 'git config receive.denyDeleteCurrent ignore' in the remote repo in
  		 * order to delete the remote branch pointed to by HEAD (usually master).
  		 * See: https://raw.github.com/git/git/master/Documentation/RelNotes/1.7.0.txt
  		 */
  		cl_git_pass(git_remote_ls(_remote, delete_ref_cb, &delete_specs));
  		if (delete_specs.length) {
  			git_push *push;
  
  			cl_git_pass(git_push_new(&push, _remote));
  
  			git_vector_foreach(&delete_specs, i, curr_del_spec) {
  				git_push_add_refspec(push, curr_del_spec);
  				git__free(curr_del_spec);
  			}
  
  			cl_git_pass(git_push_finish(push));
  			git_push_free(push);
  		}
  
  		git_remote_disconnect(_remote);
  		git_vector_free(&delete_specs);
  
  		/* Now that we've deleted everything, fetch from the remote */
  		cl_git_pass(git_remote_connect(_remote, GIT_DIRECTION_FETCH));
  		cl_git_pass(git_remote_download(_remote, NULL, NULL));
  		cl_git_pass(git_remote_update_tips(_remote));
  		git_remote_disconnect(_remote);
  	} else
  		printf("GITTEST_REMOTE_URL unset; skipping push test\n");
  }
  
  void test_online_push__cleanup(void)
  {
  	if (_remote)
  		git_remote_free(_remote);
  	_remote = NULL;
  
  	/* Freed by cl_git_sandbox_cleanup */
  	_repo = NULL;
  
  	record_callbacks_data_clear(&_record_cbs_data);
  
  	cl_fixture_cleanup("testrepo.git");
  	cl_git_sandbox_cleanup();
  }
  
  /**
   * Calls push and relists refs on remote to verify success.
   *
   * @param refspecs refspecs to push
   * @param refspecs_len length of refspecs
   * @param expected_refs expected remote refs after push
   * @param expected_refs_len length of expected_refs
   * @param expected_ret expected return value from git_push_finish()
   */
  static void do_push(const char *refspecs[], size_t refspecs_len,
  	push_status expected_statuses[], size_t expected_statuses_len,
  	expected_ref expected_refs[], size_t expected_refs_len, int expected_ret)
  {
  	git_push *push;
  	git_push_options opts = GIT_PUSH_OPTIONS_INIT;
  	size_t i;
  	int ret;
  
  	if (_remote) {
  		/* Auto-detect the number of threads to use */
  		opts.pb_parallelism = 0;
  
  		cl_git_pass(git_remote_connect(_remote, GIT_DIRECTION_PUSH));
  
  		cl_git_pass(git_push_new(&push, _remote));
  		cl_git_pass(git_push_set_options(push, &opts));
  
  		for (i = 0; i < refspecs_len; i++)
  			cl_git_pass(git_push_add_refspec(push, refspecs[i]));
  
  		if (expected_ret < 0) {
  			cl_git_fail(ret = git_push_finish(push));
  			cl_assert_equal_i(0, git_push_unpack_ok(push));
  		}
  		else {
  			cl_git_pass(ret = git_push_finish(push));
  			cl_assert_equal_i(1, git_push_unpack_ok(push));
  		}
  
  		do_verify_push_status(push, expected_statuses, expected_statuses_len);
  
  		cl_assert_equal_i(expected_ret, ret);
  
  		verify_refs(_remote, expected_refs, expected_refs_len);
  
  		cl_git_pass(git_push_update_tips(push));
  		verify_tracking_branches(_remote, expected_refs, expected_refs_len);
  
  		git_push_free(push);
  
  		git_remote_disconnect(_remote);
  	}
  }
  
  /* Call push_finish() without ever calling git_push_add_refspec() */
  void test_online_push__noop(void)
  {
  	do_push(NULL, 0, NULL, 0, NULL, 0, 0);
  }
  
  void test_online_push__b1(void)
  {
  	const char *specs[] = { "refs/heads/b1:refs/heads/b1" };
  	push_status exp_stats[] = { { "refs/heads/b1", NULL } };
  	expected_ref exp_refs[] = { { "refs/heads/b1", &_oid_b1 } };
  	do_push(specs, ARRAY_SIZE(specs),
  		exp_stats, ARRAY_SIZE(exp_stats),
  		exp_refs, ARRAY_SIZE(exp_refs), 0);
  }
  
  void test_online_push__b2(void)
  {
  	const char *specs[] = { "refs/heads/b2:refs/heads/b2" };
  	push_status exp_stats[] = { { "refs/heads/b2", NULL } };
  	expected_ref exp_refs[] = { { "refs/heads/b2", &_oid_b2 } };
  	do_push(specs, ARRAY_SIZE(specs),
  		exp_stats, ARRAY_SIZE(exp_stats),
  		exp_refs, ARRAY_SIZE(exp_refs), 0);
  }
  
  void test_online_push__b3(void)
  {
  	const char *specs[] = { "refs/heads/b3:refs/heads/b3" };
  	push_status exp_stats[] = { { "refs/heads/b3", NULL } };
  	expected_ref exp_refs[] = { { "refs/heads/b3", &_oid_b3 } };
  	do_push(specs, ARRAY_SIZE(specs),
  		exp_stats, ARRAY_SIZE(exp_stats),
  		exp_refs, ARRAY_SIZE(exp_refs), 0);
  }
  
  void test_online_push__b4(void)
  {
  	const char *specs[] = { "refs/heads/b4:refs/heads/b4" };
  	push_status exp_stats[] = { { "refs/heads/b4", NULL } };
  	expected_ref exp_refs[] = { { "refs/heads/b4", &_oid_b4 } };
  	do_push(specs, ARRAY_SIZE(specs),
  		exp_stats, ARRAY_SIZE(exp_stats),
  		exp_refs, ARRAY_SIZE(exp_refs), 0);
  }
  
  void test_online_push__b5(void)
  {
  	const char *specs[] = { "refs/heads/b5:refs/heads/b5" };
  	push_status exp_stats[] = { { "refs/heads/b5", NULL } };
  	expected_ref exp_refs[] = { { "refs/heads/b5", &_oid_b5 } };
  	do_push(specs, ARRAY_SIZE(specs),
  		exp_stats, ARRAY_SIZE(exp_stats),
  		exp_refs, ARRAY_SIZE(exp_refs), 0);
  }
  
  void test_online_push__multi(void)
  {
  	const char *specs[] = {
  		"refs/heads/b1:refs/heads/b1",
  		"refs/heads/b2:refs/heads/b2",
  		"refs/heads/b3:refs/heads/b3",
  		"refs/heads/b4:refs/heads/b4",
  		"refs/heads/b5:refs/heads/b5"
  	};
  	push_status exp_stats[] = {
  		{ "refs/heads/b1", NULL },
  		{ "refs/heads/b2", NULL },
  		{ "refs/heads/b3", NULL },
  		{ "refs/heads/b4", NULL },
  		{ "refs/heads/b5", NULL }
  	};
  	expected_ref exp_refs[] = {
  		{ "refs/heads/b1", &_oid_b1 },
  		{ "refs/heads/b2", &_oid_b2 },
  		{ "refs/heads/b3", &_oid_b3 },
  		{ "refs/heads/b4", &_oid_b4 },
  		{ "refs/heads/b5", &_oid_b5 }
  	};
  	do_push(specs, ARRAY_SIZE(specs),
  		exp_stats, ARRAY_SIZE(exp_stats),
  		exp_refs, ARRAY_SIZE(exp_refs), 0);
  }
  
  void test_online_push__implicit_tgt(void)
  {
  	const char *specs1[] = { "refs/heads/b1:" };
  	push_status exp_stats1[] = { { "refs/heads/b1", NULL } };
  	expected_ref exp_refs1[] = { { "refs/heads/b1", &_oid_b1 } };
  
  	const char *specs2[] = { "refs/heads/b2:" };
  	push_status exp_stats2[] = { { "refs/heads/b2", NULL } };
  	expected_ref exp_refs2[] = {
  	{ "refs/heads/b1", &_oid_b1 },
  	{ "refs/heads/b2", &_oid_b2 }
  	};
  
  	do_push(specs1, ARRAY_SIZE(specs1),
  		exp_stats1, ARRAY_SIZE(exp_stats1),
  		exp_refs1, ARRAY_SIZE(exp_refs1), 0);
  	do_push(specs2, ARRAY_SIZE(specs2),
  		exp_stats2, ARRAY_SIZE(exp_stats2),
  		exp_refs2, ARRAY_SIZE(exp_refs2), 0);
  }
  
  void test_online_push__fast_fwd(void)
  {
  	/* Fast forward b1 in tgt from _oid_b1 to _oid_b6. */
  
  	const char *specs_init[] = { "refs/heads/b1:refs/heads/b1" };
  	push_status exp_stats_init[] = { { "refs/heads/b1", NULL } };
  	expected_ref exp_refs_init[] = { { "refs/heads/b1", &_oid_b1 } };
  
  	const char *specs_ff[] = { "refs/heads/b6:refs/heads/b1" };
  	push_status exp_stats_ff[] = { { "refs/heads/b1", NULL } };
  	expected_ref exp_refs_ff[] = { { "refs/heads/b1", &_oid_b6 } };
  
  	/* Do a force push to reset b1 in target back to _oid_b1 */
  	const char *specs_reset[] = { "+refs/heads/b1:refs/heads/b1" };
  	/* Force should have no effect on a fast forward push */
  	const char *specs_ff_force[] = { "+refs/heads/b6:refs/heads/b1" };
  
  	do_push(specs_init, ARRAY_SIZE(specs_init),
  		exp_stats_init, ARRAY_SIZE(exp_stats_init),
  		exp_refs_init, ARRAY_SIZE(exp_refs_init), 0);
  
  	do_push(specs_ff, ARRAY_SIZE(specs_ff),
  		exp_stats_ff, ARRAY_SIZE(exp_stats_ff),
  		exp_refs_ff, ARRAY_SIZE(exp_refs_ff), 0);
  
  	do_push(specs_reset, ARRAY_SIZE(specs_reset),
  		exp_stats_init, ARRAY_SIZE(exp_stats_init),
  		exp_refs_init, ARRAY_SIZE(exp_refs_init), 0);
  
  	do_push(specs_ff_force, ARRAY_SIZE(specs_ff_force),
  		exp_stats_ff, ARRAY_SIZE(exp_stats_ff),
  		exp_refs_ff, ARRAY_SIZE(exp_refs_ff), 0);
  }
  
  void test_online_push__tag_commit(void)
  {
  	const char *specs[] = { "refs/tags/tag-commit:refs/tags/tag-commit" };
  	push_status exp_stats[] = { { "refs/tags/tag-commit", NULL } };
  	expected_ref exp_refs[] = { { "refs/tags/tag-commit", &_tag_commit } };
  	do_push(specs, ARRAY_SIZE(specs),
  		exp_stats, ARRAY_SIZE(exp_stats),
  		exp_refs, ARRAY_SIZE(exp_refs), 0);
  }
  
  void test_online_push__tag_tree(void)
  {
  	const char *specs[] = { "refs/tags/tag-tree:refs/tags/tag-tree" };
  	push_status exp_stats[] = { { "refs/tags/tag-tree", NULL } };
  	expected_ref exp_refs[] = { { "refs/tags/tag-tree", &_tag_tree } };
  	do_push(specs, ARRAY_SIZE(specs),
  		exp_stats, ARRAY_SIZE(exp_stats),
  		exp_refs, ARRAY_SIZE(exp_refs), 0);
  }
  
  void test_online_push__tag_blob(void)
  {
  	const char *specs[] = { "refs/tags/tag-blob:refs/tags/tag-blob" };
  	push_status exp_stats[] = { { "refs/tags/tag-blob", NULL } };
  	expected_ref exp_refs[] = { { "refs/tags/tag-blob", &_tag_blob } };
  	do_push(specs, ARRAY_SIZE(specs),
  		exp_stats, ARRAY_SIZE(exp_stats),
  		exp_refs, ARRAY_SIZE(exp_refs), 0);
  }
  
  void test_online_push__tag_lightweight(void)
  {
  	const char *specs[] = { "refs/tags/tag-lightweight:refs/tags/tag-lightweight" };
  	push_status exp_stats[] = { { "refs/tags/tag-lightweight", NULL } };
  	expected_ref exp_refs[] = { { "refs/tags/tag-lightweight", &_tag_lightweight } };
  	do_push(specs, ARRAY_SIZE(specs),
  		exp_stats, ARRAY_SIZE(exp_stats),
  		exp_refs, ARRAY_SIZE(exp_refs), 0);
  }
  
  void test_online_push__force(void)
  {
  	const char *specs1[] = {"refs/heads/b3:refs/heads/tgt"};
  	push_status exp_stats1[] = { { "refs/heads/tgt", NULL } };
  	expected_ref exp_refs1[] = { { "refs/heads/tgt", &_oid_b3 } };
  
  	const char *specs2[] = {"refs/heads/b4:refs/heads/tgt"};
  
  	const char *specs2_force[] = {"+refs/heads/b4:refs/heads/tgt"};
  	push_status exp_stats2_force[] = { { "refs/heads/tgt", NULL } };
  	expected_ref exp_refs2_force[] = { { "refs/heads/tgt", &_oid_b4 } };
  
  	do_push(specs1, ARRAY_SIZE(specs1),
  		exp_stats1, ARRAY_SIZE(exp_stats1),
  		exp_refs1, ARRAY_SIZE(exp_refs1), 0);
  
  	do_push(specs2, ARRAY_SIZE(specs2),
  		NULL, 0,
  		exp_refs1, ARRAY_SIZE(exp_refs1), GIT_ENONFASTFORWARD);
  
  	/* Non-fast-forward update with force should pass. */
  	do_push(specs2_force, ARRAY_SIZE(specs2_force),
  		exp_stats2_force, ARRAY_SIZE(exp_stats2_force),
  		exp_refs2_force, ARRAY_SIZE(exp_refs2_force), 0);
  }
  
  void test_online_push__delete(void)
  {
  	const char *specs1[] = {
  		"refs/heads/b1:refs/heads/tgt1",
  		"refs/heads/b1:refs/heads/tgt2"
  	};
  	push_status exp_stats1[] = {
  		{ "refs/heads/tgt1", NULL },
  		{ "refs/heads/tgt2", NULL }
  	};
  	expected_ref exp_refs1[] = {
  		{ "refs/heads/tgt1", &_oid_b1 },
  		{ "refs/heads/tgt2", &_oid_b1 }
  	};
  
  	const char *specs_del_fake[] = { ":refs/heads/fake" };
  	/* Force has no effect for delete. */
  	const char *specs_del_fake_force[] = { "+:refs/heads/fake" };
  	push_status exp_stats_fake[] = { { "refs/heads/fake", NULL } };
  
  	const char *specs_delete[] = { ":refs/heads/tgt1" };
  	push_status exp_stats_delete[] = { { "refs/heads/tgt1", NULL } };
  	expected_ref exp_refs_delete[] = { { "refs/heads/tgt2", &_oid_b1 } };
  	/* Force has no effect for delete. */
  	const char *specs_delete_force[] = { "+:refs/heads/tgt1" };
  
  	do_push(specs1, ARRAY_SIZE(specs1),
  		exp_stats1, ARRAY_SIZE(exp_stats1),
  		exp_refs1, ARRAY_SIZE(exp_refs1), 0);
  
  	/* When deleting a non-existent branch, the git client sends zero for both
  	 * the old and new commit id.  This should succeed on the server with the
  	 * same status report as if the branch were actually deleted.  The server
  	 * returns a warning on the side-band iff the side-band is supported.
  	 *  Since libgit2 doesn't support the side-band yet, there are no warnings.
  	 */
  	do_push(specs_del_fake, ARRAY_SIZE(specs_del_fake),
  		exp_stats_fake, 1,
  		exp_refs1, ARRAY_SIZE(exp_refs1), 0);
  	do_push(specs_del_fake_force, ARRAY_SIZE(specs_del_fake_force),
  		exp_stats_fake, 1,
  		exp_refs1, ARRAY_SIZE(exp_refs1), 0);
  
  	/* Delete one of the pushed branches. */
  	do_push(specs_delete, ARRAY_SIZE(specs_delete),
  		exp_stats_delete, ARRAY_SIZE(exp_stats_delete),
  		exp_refs_delete, ARRAY_SIZE(exp_refs_delete), 0);
  
  	/* Re-push branches and retry delete with force. */
  	do_push(specs1, ARRAY_SIZE(specs1),
  		exp_stats1, ARRAY_SIZE(exp_stats1),
  		exp_refs1, ARRAY_SIZE(exp_refs1), 0);
  	do_push(specs_delete_force, ARRAY_SIZE(specs_delete_force),
  		exp_stats_delete, ARRAY_SIZE(exp_stats_delete),
  		exp_refs_delete, ARRAY_SIZE(exp_refs_delete), 0);
  }
  
  void test_online_push__bad_refspecs(void)
  {
  	/* All classes of refspecs that should be rejected by
  	 * git_push_add_refspec() should go in this test.
  	 */
  	git_push *push;
  
  	if (_remote) {
  //		cl_git_pass(git_remote_connect(_remote, GIT_DIRECTION_PUSH));
  		cl_git_pass(git_push_new(&push, _remote));
  
  		/* Unexpanded branch names not supported */
  		cl_git_fail(git_push_add_refspec(push, "b6:b6"));
  
  		git_push_free(push);
  	}
  }
  
  void test_online_push__expressions(void)
  {
  	/* TODO: Expressions in refspecs doesn't actually work yet */
  	const char *specs_left_expr[] = { "refs/heads/b2~1:refs/heads/b2" };
  
  	const char *specs_right_expr[] = { "refs/heads/b2:refs/heads/b2~1" };
  	push_status exp_stats_right_expr[] = { { "refs/heads/b2~1", "funny refname" } };
  
  	/* TODO: Find a more precise way of checking errors than a exit code of -1. */
  	do_push(specs_left_expr, ARRAY_SIZE(specs_left_expr),
  		NULL, 0,
  		NULL, 0, -1);
  
  	do_push(specs_right_expr, ARRAY_SIZE(specs_right_expr),
  		exp_stats_right_expr, ARRAY_SIZE(exp_stats_right_expr),
  		NULL, 0, 0);
  }
  
  void test_online_push__notes(void)
  {
  	git_oid note_oid, *target_oid, expected_oid;
  	git_signature *signature;
  	const char *specs[] = { "refs/notes/commits:refs/notes/commits" };
  	push_status exp_stats[] = { { "refs/notes/commits", NULL } };
  	expected_ref exp_refs[] = { { "refs/notes/commits", &expected_oid } };
  	git_oid_fromstr(&expected_oid, "8461a99b27b7043e58ff6e1f5d2cf07d282534fb");
  
  	target_oid = &_oid_b6;
  
  	/* Create note to push */
  	cl_git_pass(git_signature_new(&signature, "nulltoken", "emeric.fermas@gmail.com", 1323847743, 60)); /* Wed Dec 14 08:29:03 2011 +0100 */
  	cl_git_pass(git_note_create(&note_oid, _repo, signature, signature, NULL, target_oid, "hello world\n", 0));
  
  	do_push(specs, ARRAY_SIZE(specs),
  		exp_stats, ARRAY_SIZE(exp_stats),
  		exp_refs, ARRAY_SIZE(exp_refs), 0);
  
  	git_signature_free(signature);
  }
  

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