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

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• Hash : 613d5eb9
  Author :
  Date : 2012-11-28T11:42:37
  

  Push! By schu, phkelley, and congyiwu, et al

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• tests-clar/network/push.c

• #include "clar_libgit2.h"
  #include "buffer.h"
  #include "posix.h"
  #include "vector.h"
  #include "../submodule/submodule_helpers.h"
  #include "push_util.h"
  
  CL_IN_CATEGORY("network")
  
  static git_repository *_repo;
  
  static char *_remote_url;
  static char *_remote_user;
  static char *_remote_pass;
  
  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;
  
  /* git_oid *oid, git_repository *repo, (string literal) blob */
  #define CREATE_BLOB(oid, repo, blob) git_blob_create_frombuffer(oid, repo, blob, sizeof(blob) - 1)
  
  static int cred_acquire_cb(git_cred **cred, const char *url, unsigned int allowed_types) 
  {
  	GIT_UNUSED(url);
  
  	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 && 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);
  }
  
  void test_network_push__initialize(void)
  {
  	git_vector delete_specs = GIT_VECTOR_INIT;
  	size_t i;
  	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");
  
  	/* 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 = NULL;
  
  	if (_remote_url) {
  		cl_git_pass(git_remote_add(&_remote, _repo, "test", _remote_url));
  
  		git_remote_set_cred_acquire_cb(_remote, cred_acquire_cb);
  		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_network_push__cleanup(void)
  {
  	if (_remote)
  		git_remote_free(_remote);
  
  	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;
  	size_t i;
  	int ret;
  
  	if (_remote) {
  		cl_git_pass(git_remote_connect(_remote, GIT_DIRECTION_PUSH));
  
  		cl_git_pass(git_push_new(&push, _remote));
  
  		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);
  
  		git_push_free(push);
  
  		verify_refs(_remote, expected_refs, expected_refs_len);
  
  		cl_git_pass(git_remote_update_tips(_remote));
  
  		git_remote_disconnect(_remote);
  	}
  }
  
  /* Call push_finish() without ever calling git_push_add_refspec() */
  void test_network_push__noop(void)
  {
  	do_push(NULL, 0, NULL, 0, NULL, 0, 0);
  }
  
  void test_network_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_network_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_network_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_network_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_network_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_network_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_network_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_network_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_network_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_network_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" };
  
  	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);
  
  	/* Deleting a non-existent branch should fail before the request is sent to
  	 * the server because the client cannot find the old oid for the ref.
  	 */
  	do_push(specs_del_fake, ARRAY_SIZE(specs_del_fake),
  		NULL, 0,
  		exp_refs1, ARRAY_SIZE(exp_refs1), -1);
  	do_push(specs_del_fake_force, ARRAY_SIZE(specs_del_fake_force),
  		NULL, 0,
  		exp_refs1, ARRAY_SIZE(exp_refs1), -1);
  
  	/* 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_network_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_network_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);
  }
  

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