thodg/libgit2/tests/online/push.c

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• Hash : 11bd7a03
  Author :
  Date : 2013-12-12T11:14:51
  

  More tests of canceling from callbacks This covers diff print, push, and ref foreach. This also has a fix for a small memory leak in the push tests.

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• tests/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_url;
  
  static char *_remote_ssh_key;
  static char *_remote_ssh_pubkey;
  static char *_remote_ssh_passphrase;
  
  static char *_remote_user;
  static char *_remote_pass;
  
  static char *_remote_default;
  
  static int cred_acquire_cb(git_cred **,	const char *, const char *, unsigned int, void *);
  
  static git_remote *_remote;
  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 git_oid _tag_tag;
  
  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);
  	GIT_UNUSED(payload);
  
  	if (GIT_CREDTYPE_DEFAULT & allowed_types) {
  		if (!_remote_default) {
  			printf("GITTEST_REMOTE_DEFAULT must be set to use NTLM/Negotiate credentials\n");
  			return -1;
  		}
  
  		return git_cred_default_new(cred);
  	}
  
  	if (GIT_CREDTYPE_SSH_KEY & allowed_types) {
  		if (!_remote_user || !_remote_ssh_pubkey || !_remote_ssh_key || !_remote_ssh_passphrase) {
  			printf("GITTEST_REMOTE_USER, GITTEST_REMOTE_SSH_PUBKEY, GITTEST_REMOTE_SSH_KEY and GITTEST_REMOTE_SSH_PASSPHRASE must be set\n");
  			return -1;
  		}
  
  		return git_cred_ssh_key_new(cred, _remote_user, _remote_ssh_pubkey, _remote_ssh_key, _remote_ssh_passphrase);
  	}
  
  	if (GIT_CREDTYPE_USERPASS_PLAINTEXT & allowed_types) {
  		if (!_remote_user || !_remote_pass) {
  			printf("GITTEST_REMOTE_USER and GITTEST_REMOTE_PASS must be set\n");
  			return -1;
  		}
  
  		return git_cred_userpass_plaintext_new(cred, _remote_user, _remote_pass);
  	}
  
  	return -1;
  }
  
  /* the results of a push status.  when used for expected values, msg may be NULL
   * to indicate that it should not be matched. */
  typedef struct {
  	const char *ref;
  	int success;
  	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->success = (msg == NULL);
  	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].success != iter->success) ||
  				(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].success ? "success" : "failed");
  		}
  
  		git_buf_puts(&msg, "\nACTUAL:\n");
  
  		git_vector_foreach(&actual, i, iter) {
  			if (iter->success)
  				git_buf_printf(&msg, "%s: success\n", iter->ref);
  			else
  				git_buf_printf(&msg, "%s: failed with message: %s", 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)
  {
  	const git_remote_head **actual_refs;
  	size_t actual_refs_len;
  
  	git_remote_ls(&actual_refs, &actual_refs_len, remote);
  	verify_remote_refs(actual_refs, actual_refs_len, expected_refs, expected_refs_len);
  }
  
  /**
   * 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_vector actual_refs = GIT_VECTOR_INIT;
  	git_branch_iterator *iter;
  	char *actual_ref;
  	git_oid oid;
  	int failed = 0, error;
  	git_branch_t branch_type;
  	git_reference *ref;
  
  	/* Get current remote branches */
  	cl_git_pass(git_branch_iterator_new(&iter, remote->repo, GIT_BRANCH_REMOTE));
  
  	while ((error = git_branch_next(&ref, &branch_type, iter)) == 0) {
  		cl_assert_equal_i(branch_type, GIT_BRANCH_REMOTE);
  
  		cl_git_pass(git_vector_insert(&actual_refs, git__strdup(git_reference_name(ref))));
  	}
  
  	cl_assert_equal_i(error, GIT_ITEROVER);
  	git_branch_iterator_free(iter);
  
  	/* 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) {
  			if (!strcmp(git_buf_cstr(&ref_name), actual_ref))
  				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, actual_ref));
  
  		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(&ref_name);
  	return;
  }
  
  void test_online_push__initialize(void)
  {
  	git_vector delete_specs = GIT_VECTOR_INIT;
  	const git_remote_head **heads;
  	size_t i, heads_len;
  	char *curr_del_spec;
  
  	_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");
  	git_oid_fromstr(&_tag_tag, "eea4f2705eeec2db3813f2430829afce99cd00b5");
  
  	/* 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_default = cl_getenv("GITTEST_REMOTE_DEFAULT");
  	_remote = NULL;
  
  	if (_remote_url) {
  		cl_git_pass(git_remote_create(&_remote, _repo, "test", _remote_url));
  
  		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(&heads, &heads_len, _remote));
  		cl_git_pass(create_deletion_refspecs(&delete_specs, heads, heads_len));
  		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));
  		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();
  }
  
  static int push_pack_progress_cb(
  	int stage, unsigned int current, unsigned int total, void* payload)
  {
  	int *calls = (int *)payload;
  	GIT_UNUSED(stage); GIT_UNUSED(current); GIT_UNUSED(total);
  	if (*calls < 0)
  		return *calls;
  	(*calls)++;
  	return 0;
  }
  
  static int push_transfer_progress_cb(
  	unsigned int current, unsigned int total, size_t bytes, void* payload)
  {
  	int *calls = (int *)payload;
  	GIT_UNUSED(current); GIT_UNUSED(total); GIT_UNUSED(bytes);
  	if (*calls < 0)
  		return *calls;
  	(*calls)++;
  	return 0;
  }
  
  /**
   * 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()
   * @param check_progress_cb Check that the push progress callbacks are called
   */
  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, int check_progress_cb)
  {
  	git_push *push;
  	git_push_options opts = GIT_PUSH_OPTIONS_INIT;
  	size_t i;
  	int pack_progress_calls = 0, transfer_progress_calls = 0;
  
  	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));
  
  		if (check_progress_cb) {
  			/* if EUSER, then abort in transfer */
  			if (expected_ret == GIT_EUSER)
  				transfer_progress_calls = GIT_EUSER;
  
  			cl_git_pass(
  				git_push_set_callbacks(
  					push, push_pack_progress_cb, &pack_progress_calls,
  					push_transfer_progress_cb, &transfer_progress_calls));
  		}
  
  		for (i = 0; i < refspecs_len; i++)
  			cl_git_pass(git_push_add_refspec(push, refspecs[i]));
  
  		if (expected_ret < 0) {
  			cl_git_fail_with(git_push_finish(push), expected_ret);
  			cl_assert_equal_i(0, git_push_unpack_ok(push));
  		} else {
  			cl_git_pass(git_push_finish(push));
  			cl_assert_equal_i(1, git_push_unpack_ok(push));
  		}
  
  		if (check_progress_cb && !expected_ret) {
  			cl_assert(pack_progress_calls > 0);
  			cl_assert(transfer_progress_calls > 0);
  		}
  
  		do_verify_push_status(push, expected_statuses, expected_statuses_len);
  
  		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, 0);
  }
  
  void test_online_push__b1(void)
  {
  	const char *specs[] = { "refs/heads/b1:refs/heads/b1" };
  	push_status exp_stats[] = { { "refs/heads/b1", 1 } };
  	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, 1);
  }
  
  void test_online_push__b2(void)
  {
  	const char *specs[] = { "refs/heads/b2:refs/heads/b2" };
  	push_status exp_stats[] = { { "refs/heads/b2", 1 } };
  	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, 1);
  }
  
  void test_online_push__b3(void)
  {
  	const char *specs[] = { "refs/heads/b3:refs/heads/b3" };
  	push_status exp_stats[] = { { "refs/heads/b3", 1 } };
  	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, 1);
  }
  
  void test_online_push__b4(void)
  {
  	const char *specs[] = { "refs/heads/b4:refs/heads/b4" };
  	push_status exp_stats[] = { { "refs/heads/b4", 1 } };
  	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, 1);
  }
  
  void test_online_push__b5(void)
  {
  	const char *specs[] = { "refs/heads/b5:refs/heads/b5" };
  	push_status exp_stats[] = { { "refs/heads/b5", 1 } };
  	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, 1);
  }
  
  void test_online_push__b5_cancel(void)
  {
  	const char *specs[] = { "refs/heads/b5:refs/heads/b5" };
  	do_push(specs, ARRAY_SIZE(specs), NULL, 0, NULL, 0, GIT_EUSER, 1);
  }
  
  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", 1 },
  		{ "refs/heads/b2", 1 },
  		{ "refs/heads/b3", 1 },
  		{ "refs/heads/b4", 1 },
  		{ "refs/heads/b5", 1 }
  	};
  	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, 1);
  }
  
  void test_online_push__implicit_tgt(void)
  {
  	const char *specs1[] = { "refs/heads/b1:" };
  	push_status exp_stats1[] = { { "refs/heads/b1", 1 } };
  	expected_ref exp_refs1[] = { { "refs/heads/b1", &_oid_b1 } };
  
  	const char *specs2[] = { "refs/heads/b2:" };
  	push_status exp_stats2[] = { { "refs/heads/b2", 1 } };
  	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, 1);
  	do_push(specs2, ARRAY_SIZE(specs2),
  		exp_stats2, ARRAY_SIZE(exp_stats2),
  		exp_refs2, ARRAY_SIZE(exp_refs2), 0, 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", 1 } };
  	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", 1 } };
  	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, 1);
  
  	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, 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, 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, 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", 1 } };
  	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, 1);
  }
  
  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", 1 } };
  	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, 1);
  }
  
  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", 1 } };
  	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, 1);
  }
  
  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", 1 } };
  	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, 1);
  }
  
  void test_online_push__tag_to_tag(void)
  {
  	const char *specs[] = { "refs/tags/tag-tag:refs/tags/tag-tag" };
  	push_status exp_stats[] = { { "refs/tags/tag-tag", 1 } };
  	expected_ref exp_refs[] = { { "refs/tags/tag-tag", &_tag_tag } };
  	do_push(specs, ARRAY_SIZE(specs),
  		exp_stats, ARRAY_SIZE(exp_stats),
  		exp_refs, ARRAY_SIZE(exp_refs), 0, 0);
  }
  
  void test_online_push__force(void)
  {
  	const char *specs1[] = {"refs/heads/b3:refs/heads/tgt"};
  	push_status exp_stats1[] = { { "refs/heads/tgt", 1 } };
  	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", 1 } };
  	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, 1);
  
  	do_push(specs2, ARRAY_SIZE(specs2),
  		NULL, 0,
  		exp_refs1, ARRAY_SIZE(exp_refs1), GIT_ENONFASTFORWARD, 0);
  
  	/* 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, 1);
  }
  
  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", 1 },
  		{ "refs/heads/tgt2", 1 }
  	};
  	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", 1 } };
  
  	const char *specs_delete[] = { ":refs/heads/tgt1" };
  	push_status exp_stats_delete[] = { { "refs/heads/tgt1", 1 } };
  	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, 1);
  
  	/* 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, 0);
  	do_push(specs_del_fake_force, ARRAY_SIZE(specs_del_fake_force),
  		exp_stats_fake, 1,
  		exp_refs1, ARRAY_SIZE(exp_refs1), 0, 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, 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, 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, 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" };
  
  	/* expect not NULL to indicate failure (core git replies "funny refname",
  	 * other servers may be less pithy. */
  	const char *specs_right_expr[] = { "refs/heads/b2:refs/heads/b2~1" };
  	push_status exp_stats_right_expr[] = { { "refs/heads/b2~1", 0 } };
  
  	/* 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, 0);
  
  	do_push(specs_right_expr, ARRAY_SIZE(specs_right_expr),
  		exp_stats_right_expr, ARRAY_SIZE(exp_stats_right_expr),
  		NULL, 0, 0, 1);
  }
  
  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", 1 } };
  	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, 1);
  
  	git_signature_free(signature);
  }
  

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