thodg/libgit2/tests/fetchhead/nonetwork.c

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• Hash : 95117d47
  Author :
  Date : 2021-10-31T09:45:46
  

  path: separate git-specific path functions from util Introduce `git_fs_path`, which operates on generic filesystem paths. `git_path` will be kept for only git-specific path functionality (for example, checking for `.git` in a path).

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• tests/fetchhead/nonetwork.c

• #include "clar_libgit2.h"
  
  #include "futils.h"
  #include "fetchhead.h"
  
  #include "fetchhead_data.h"
  
  #define DO_LOCAL_TEST 0
  
  static git_repository *g_repo;
  
  void test_fetchhead_nonetwork__initialize(void)
  {
  	g_repo = NULL;
  }
  
  static void cleanup_repository(void *path)
  {
  	if (g_repo) {
  		git_repository_free(g_repo);
  		g_repo = NULL;
  	}
  
  	cl_fixture_cleanup((const char *)path);
  }
  
  static void populate_fetchhead(git_vector *out, git_repository *repo)
  {
  	git_fetchhead_ref *fetchhead_ref;
  	git_oid oid;
  
  	cl_git_pass(git_oid_fromstr(&oid,
  		"49322bb17d3acc9146f98c97d078513228bbf3c0"));
  	cl_git_pass(git_fetchhead_ref_create(&fetchhead_ref, &oid, 1,
  		"refs/heads/master",
  		"git://github.com/libgit2/TestGitRepository"));
  	cl_git_pass(git_vector_insert(out, fetchhead_ref));
  
  	cl_git_pass(git_oid_fromstr(&oid,
  		"0966a434eb1a025db6b71485ab63a3bfbea520b6"));
  	cl_git_pass(git_fetchhead_ref_create(&fetchhead_ref, &oid, 0,
  		"refs/heads/first-merge",
  		"git://github.com/libgit2/TestGitRepository"));
  	cl_git_pass(git_vector_insert(out, fetchhead_ref));
  
  	cl_git_pass(git_oid_fromstr(&oid,
  		"42e4e7c5e507e113ebbb7801b16b52cf867b7ce1"));
  	cl_git_pass(git_fetchhead_ref_create(&fetchhead_ref, &oid, 0,
  		"refs/heads/no-parent",
  		"git://github.com/libgit2/TestGitRepository"));
  	cl_git_pass(git_vector_insert(out, fetchhead_ref));
  
  	cl_git_pass(git_oid_fromstr(&oid,
  		"d96c4e80345534eccee5ac7b07fc7603b56124cb"));
  	cl_git_pass(git_fetchhead_ref_create(&fetchhead_ref, &oid, 0,
  		"refs/tags/annotated_tag",
  		"git://github.com/libgit2/TestGitRepository"));
  	cl_git_pass(git_vector_insert(out, fetchhead_ref));
  
  	cl_git_pass(git_oid_fromstr(&oid,
  		"55a1a760df4b86a02094a904dfa511deb5655905"));
  	cl_git_pass(git_fetchhead_ref_create(&fetchhead_ref, &oid, 0,
  		"refs/tags/blob",
  		"git://github.com/libgit2/TestGitRepository"));
  	cl_git_pass(git_vector_insert(out, fetchhead_ref));
  
  	cl_git_pass(git_oid_fromstr(&oid,
  		"8f50ba15d49353813cc6e20298002c0d17b0a9ee"));
  	cl_git_pass(git_fetchhead_ref_create(&fetchhead_ref, &oid, 0,
  		"refs/tags/commit_tree",
  		"git://github.com/libgit2/TestGitRepository"));
  	cl_git_pass(git_vector_insert(out, fetchhead_ref));
  
  	cl_git_pass(git_fetchhead_write(repo, out));
  }
  
  void test_fetchhead_nonetwork__write(void)
  {
  	git_vector fetchhead_vector = GIT_VECTOR_INIT;
  	git_fetchhead_ref *fetchhead_ref;
  	git_str fetchhead_buf = GIT_STR_INIT;
  	int equals = 0;
  	size_t i;
  
  	cl_git_pass(git_vector_init(&fetchhead_vector, 6, NULL));
  
  	cl_set_cleanup(&cleanup_repository, "./test1");
  	cl_git_pass(git_repository_init(&g_repo, "./test1", 0));
  
  	populate_fetchhead(&fetchhead_vector, g_repo);
  
  	cl_git_pass(git_futils_readbuffer(&fetchhead_buf,
  		"./test1/.git/FETCH_HEAD"));
  
  	equals = (strcmp(fetchhead_buf.ptr, FETCH_HEAD_WILDCARD_DATA_LOCAL) == 0);
  
  	git_str_dispose(&fetchhead_buf);
  
  	git_vector_foreach(&fetchhead_vector, i, fetchhead_ref) {
  		git_fetchhead_ref_free(fetchhead_ref);
  	}
  
  	git_vector_free(&fetchhead_vector);
  
  	cl_assert(equals);
  }
  
  typedef struct {
  	git_vector *fetchhead_vector;
  	size_t idx;
  } fetchhead_ref_cb_data;
  
  static int fetchhead_ref_cb(const char *name, const char *url,
  	const git_oid *oid, unsigned int is_merge, void *payload)
  {
  	fetchhead_ref_cb_data *cb_data = payload;
  	git_fetchhead_ref *expected;
  
  	cl_assert(payload);
  
  	expected = git_vector_get(cb_data->fetchhead_vector, cb_data->idx);
  
  	cl_assert_equal_oid(&expected->oid, oid);
  	cl_assert(expected->is_merge == is_merge);
  
  	if (expected->ref_name)
  		cl_assert_equal_s(expected->ref_name, name);
  	else
  		cl_assert(name == NULL);
  
  	if (expected->remote_url)
  		cl_assert_equal_s(expected->remote_url, url);
  	else
  		cl_assert(url == NULL);
  
  	cb_data->idx++;
  
  	return 0;
  }
  
  void test_fetchhead_nonetwork__read(void)
  {
  	git_vector fetchhead_vector = GIT_VECTOR_INIT;
  	git_fetchhead_ref *fetchhead_ref;
  	fetchhead_ref_cb_data cb_data;
  	size_t i;
  
  	memset(&cb_data, 0x0, sizeof(fetchhead_ref_cb_data));
  
  	cl_set_cleanup(&cleanup_repository, "./test1");
  	cl_git_pass(git_repository_init(&g_repo, "./test1", 0));
  
  	populate_fetchhead(&fetchhead_vector, g_repo);
  
  	cb_data.fetchhead_vector = &fetchhead_vector;
  
  	cl_git_pass(git_repository_fetchhead_foreach(g_repo, fetchhead_ref_cb, &cb_data));
  
  	git_vector_foreach(&fetchhead_vector, i, fetchhead_ref) {
  		git_fetchhead_ref_free(fetchhead_ref);
  	}
  
  	git_vector_free(&fetchhead_vector);
  }
  
  static int read_old_style_cb(const char *name, const char *url,
  	const git_oid *oid, unsigned int is_merge, void *payload)
  {
  	git_oid expected;
  
  	GIT_UNUSED(payload);
  
  	git_oid_fromstr(&expected, "49322bb17d3acc9146f98c97d078513228bbf3c0");
  
  	cl_assert(name == NULL);
  	cl_assert(url == NULL);
  	cl_assert_equal_oid(&expected, oid);
  	cl_assert(is_merge == 1);
  
  	return 0;
  }
  
  void test_fetchhead_nonetwork__read_old_style(void)
  {
  	cl_set_cleanup(&cleanup_repository, "./test1");
  	cl_git_pass(git_repository_init(&g_repo, "./test1", 0));
  
  	cl_git_rewritefile("./test1/.git/FETCH_HEAD", "49322bb17d3acc9146f98c97d078513228bbf3c0\n");
  
  	cl_git_pass(git_repository_fetchhead_foreach(g_repo, read_old_style_cb, NULL));
  }
  
  static int read_type_missing(const char *ref_name, const char *remote_url,
  	const git_oid *oid, unsigned int is_merge, void *payload)
  {
  	git_oid expected;
  
  	GIT_UNUSED(payload);
  
  	git_oid_fromstr(&expected, "49322bb17d3acc9146f98c97d078513228bbf3c0");
  
  	cl_assert_equal_s("name", ref_name);
  	cl_assert_equal_s("remote_url", remote_url);
  	cl_assert_equal_oid(&expected, oid);
  	cl_assert(is_merge == 0);
  
  	return 0;
  }
  
  void test_fetchhead_nonetwork__type_missing(void)
  {
  	cl_set_cleanup(&cleanup_repository, "./test1");
  	cl_git_pass(git_repository_init(&g_repo, "./test1", 0));
  
  	cl_git_rewritefile("./test1/.git/FETCH_HEAD", "49322bb17d3acc9146f98c97d078513228bbf3c0\tnot-for-merge\t'name' of remote_url\n");
  
  	cl_git_pass(git_repository_fetchhead_foreach(g_repo, read_type_missing, NULL));
  }
  
  static int read_name_missing(const char *ref_name, const char *remote_url,
  	const git_oid *oid, unsigned int is_merge, void *payload)
  {
  	git_oid expected;
  
  	GIT_UNUSED(payload);
  
  	git_oid_fromstr(&expected, "49322bb17d3acc9146f98c97d078513228bbf3c0");
  
  	cl_assert(ref_name == NULL);
  	cl_assert_equal_s("remote_url", remote_url);
  	cl_assert_equal_oid(&expected, oid);
  	cl_assert(is_merge == 0);
  
  	return 0;
  }
  
  void test_fetchhead_nonetwork__name_missing(void)
  {
  	cl_set_cleanup(&cleanup_repository, "./test1");
  	cl_git_pass(git_repository_init(&g_repo, "./test1", 0));
  
  	cl_git_rewritefile("./test1/.git/FETCH_HEAD", "49322bb17d3acc9146f98c97d078513228bbf3c0\tnot-for-merge\tremote_url\n");
  
  	cl_git_pass(git_repository_fetchhead_foreach(g_repo, read_name_missing, NULL));
  }
  
  static int read_noop(const char *ref_name, const char *remote_url,
  	const git_oid *oid, unsigned int is_merge, void *payload)
  {
  	GIT_UNUSED(ref_name);
  	GIT_UNUSED(remote_url);
  	GIT_UNUSED(oid);
  	GIT_UNUSED(is_merge);
  	GIT_UNUSED(payload);
  
  	return 0;
  }
  
  void test_fetchhead_nonetwork__nonexistent(void)
  {
  	int error;
  
  	cl_set_cleanup(&cleanup_repository, "./test1");
  	cl_git_pass(git_repository_init(&g_repo, "./test1", 0));
  
  	cl_git_fail((error = git_repository_fetchhead_foreach(g_repo, read_noop, NULL)));
  	cl_assert(error == GIT_ENOTFOUND);
  }
  
  void test_fetchhead_nonetwork__invalid_unterminated_last_line(void)
  {
  	cl_set_cleanup(&cleanup_repository, "./test1");
  	cl_git_pass(git_repository_init(&g_repo, "./test1", 0));
  
  	cl_git_rewritefile("./test1/.git/FETCH_HEAD", "unterminated");
  	cl_git_fail(git_repository_fetchhead_foreach(g_repo, read_noop, NULL));
  }
  
  void test_fetchhead_nonetwork__invalid_oid(void)
  {
  	cl_set_cleanup(&cleanup_repository, "./test1");
  	cl_git_pass(git_repository_init(&g_repo, "./test1", 0));
  
  	cl_git_rewritefile("./test1/.git/FETCH_HEAD", "shortoid\n");
  	cl_git_fail(git_repository_fetchhead_foreach(g_repo, read_noop, NULL));
  }
  
  void test_fetchhead_nonetwork__invalid_for_merge(void)
  {
  	cl_set_cleanup(&cleanup_repository, "./test1");
  	cl_git_pass(git_repository_init(&g_repo, "./test1", 0));
  
  	cl_git_rewritefile("./test1/.git/FETCH_HEAD", "49322bb17d3acc9146f98c97d078513228bbf3c0\tinvalid-merge\t\n");
  	cl_git_fail(git_repository_fetchhead_foreach(g_repo, read_noop, NULL));
  
  	cl_assert(git__prefixcmp(git_error_last()->message, "invalid for-merge") == 0);
  }
  
  void test_fetchhead_nonetwork__invalid_description(void)
  {
  	cl_set_cleanup(&cleanup_repository, "./test1");
  	cl_git_pass(git_repository_init(&g_repo, "./test1", 0));
  
  	cl_git_rewritefile("./test1/.git/FETCH_HEAD", "49322bb17d3acc9146f98c97d078513228bbf3c0\tnot-for-merge\n");
  	cl_git_fail(git_repository_fetchhead_foreach(g_repo, read_noop, NULL));
  
  	cl_assert(git__prefixcmp(git_error_last()->message, "invalid description") == 0);
  }
  
  static int assert_master_for_merge(const char *ref, const char *url, const git_oid *id, unsigned int is_merge, void *data)
  {
  	GIT_UNUSED(url);
  	GIT_UNUSED(id);
  	GIT_UNUSED(data);
  
  	if (!strcmp("refs/heads/master", ref) && !is_merge)
  		return -1;
  
  	return 0;
  }
  
  static int assert_none_for_merge(const char *ref, const char *url, const git_oid *id, unsigned int is_merge, void *data)
  {
  	GIT_UNUSED(ref);
  	GIT_UNUSED(url);
  	GIT_UNUSED(id);
  	GIT_UNUSED(data);
  
  	return is_merge ? -1 : 0;
  }
  
  void test_fetchhead_nonetwork__unborn_with_upstream(void)
  {
  	git_repository *repo;
  	git_remote *remote;
  
  	/* Create an empty repo to clone from */
  	cl_set_cleanup(&cleanup_repository, "./test1");
  	cl_git_pass(git_repository_init(&g_repo, "./test1", 0));
  	cl_set_cleanup(&cleanup_repository, "./repowithunborn");
  	cl_git_pass(git_clone(&repo, "./test1", "./repowithunborn", NULL));
  
  	/* Simulate someone pushing to it by changing to one that has stuff */
  	cl_git_pass(git_remote_set_url(repo, "origin", cl_fixture("testrepo.git")));
  	cl_git_pass(git_remote_lookup(&remote, repo, "origin"));
  
  	cl_git_pass(git_remote_fetch(remote, NULL, NULL, NULL));
  	git_remote_free(remote);
  
  	cl_git_pass(git_repository_fetchhead_foreach(repo, assert_master_for_merge, NULL));
  
  	git_repository_free(repo);
  	cl_fixture_cleanup("./repowithunborn");
  }
  
  void test_fetchhead_nonetwork__fetch_into_repo_with_symrefs(void)
  {
  	git_repository *repo;
  	git_remote *remote;
  	git_reference *symref;
  
  	repo = cl_git_sandbox_init("empty_standard_repo");
  
  	/*
  	 * Testing for a specific constellation where the repository has at
  	 * least one symbolic reference in its refdb.
  	 */
  	cl_git_pass(git_reference_symbolic_create(&symref, repo, "refs/heads/symref", "refs/heads/master", 0, NULL));
  
  	cl_git_pass(git_remote_set_url(repo, "origin", cl_fixture("testrepo.git")));
  	cl_git_pass(git_remote_lookup(&remote, repo, "origin"));
  	cl_git_pass(git_remote_fetch(remote, NULL, NULL, NULL));
  
  	git_remote_free(remote);
  	git_reference_free(symref);
  	cl_git_sandbox_cleanup();
  }
  
  void test_fetchhead_nonetwork__fetch_into_repo_with_invalid_head(void)
  {
  	git_remote *remote;
  	char *strings[] = { "refs/heads/*:refs/remotes/origin/*" };
  	git_strarray refspecs = { strings, 1 };
  
  	cl_set_cleanup(&cleanup_repository, "./test1");
  	cl_git_pass(git_repository_init(&g_repo, "./test1", 0));
  
  	/* HEAD pointing to nonexistent branch */
  	cl_git_rewritefile("./test1/.git/HEAD", "ref: refs/heads/\n");
  
  	cl_git_pass(git_remote_create_anonymous(&remote, g_repo, cl_fixture("testrepo.git")));
  	cl_git_pass(git_remote_fetch(remote, &refspecs, NULL, NULL));
  	cl_git_pass(git_repository_fetchhead_foreach(g_repo, assert_none_for_merge, NULL));
  
  	git_remote_free(remote);
  }
  
  void test_fetchhead_nonetwork__quote_in_branch_name(void)
  {
  	cl_set_cleanup(&cleanup_repository, "./test1");
  	cl_git_pass(git_repository_init(&g_repo, "./test1", 0));
  
  	cl_git_rewritefile("./test1/.git/FETCH_HEAD", FETCH_HEAD_QUOTE_DATA);
  	cl_git_pass(git_repository_fetchhead_foreach(g_repo, read_noop, NULL));
  }
  
  static bool found_master;
  static bool found_haacked;
  static bool find_master_haacked_called;
  
  int find_master_haacked(const char *ref_name, const char *remote_url, const git_oid *oid, unsigned int is_merge, void *payload)
  {
  	GIT_UNUSED(remote_url);
  	GIT_UNUSED(oid);
  	GIT_UNUSED(payload);
  
  	find_master_haacked_called = true;
  
  	if (!strcmp("refs/heads/master", ref_name)) {
  		cl_assert(is_merge);
  		found_master = true;
  	}
  	if (!strcmp("refs/heads/haacked", ref_name)) {
  		cl_assert(is_merge);
  		found_haacked = true;
  	}
  
  	return 0;
  }
  
  void test_fetchhead_nonetwork__create_when_refpecs_given(void)
  {
  	git_remote *remote;
  	git_str path = GIT_STR_INIT;
  	char *refspec1 = "refs/heads/master";
  	char *refspec2 = "refs/heads/haacked";
  	char *refspecs[] = { refspec1, refspec2 };
  	git_strarray specs = {
  		refspecs,
  		2,
  	};
  
  	cl_set_cleanup(&cleanup_repository, "./test1");
  	cl_git_pass(git_repository_init(&g_repo, "./test1", 0));
  
  	cl_git_pass(git_str_joinpath(&path, git_repository_path(g_repo), "FETCH_HEAD"));
  	cl_git_pass(git_remote_create(&remote, g_repo, "origin", cl_fixture("testrepo.git")));
  
  	cl_assert(!git_fs_path_exists(path.ptr));
  	cl_git_pass(git_remote_fetch(remote, &specs, NULL, NULL));
  	cl_assert(git_fs_path_exists(path.ptr));
  
  	cl_git_pass(git_repository_fetchhead_foreach(g_repo, find_master_haacked, NULL));
  	cl_assert(find_master_haacked_called);
  	cl_assert(found_master);
  	cl_assert(found_haacked);
  
  	git_remote_free(remote);
  	git_str_dispose(&path);
  }
  
  static bool count_refs_called;
  struct prefix_count {
  	const char *prefix;
  	int count;
  	int expected;
  };
  
  int count_refs(const char *ref_name, const char *remote_url, const git_oid *oid, unsigned int is_merge, void *payload)
  {
  	int i;
  	struct prefix_count *prefix_counts = (struct prefix_count *) payload;
  
  	GIT_UNUSED(remote_url);
  	GIT_UNUSED(oid);
  	GIT_UNUSED(is_merge);
  
  	count_refs_called = true;
  
  	for (i = 0; prefix_counts[i].prefix; i++) {
  		if (!git__prefixcmp(ref_name, prefix_counts[i].prefix))
  			prefix_counts[i].count++;
  	}
  
  	return 0;
  }
  
  void test_fetchhead_nonetwork__create_with_multiple_refspecs(void)
  {
  	git_remote *remote;
  	git_str path = GIT_STR_INIT;
  
  	cl_set_cleanup(&cleanup_repository, "./test1");
  	cl_git_pass(git_repository_init(&g_repo, "./test1", 0));
  
  	cl_git_pass(git_remote_create(&remote, g_repo, "origin", cl_fixture("testrepo.git")));
  	git_remote_free(remote);
  	cl_git_pass(git_remote_add_fetch(g_repo, "origin", "+refs/notes/*:refs/origin/notes/*"));
  	/* Pick up the new refspec */
  	cl_git_pass(git_remote_lookup(&remote, g_repo, "origin"));
  
  	cl_git_pass(git_str_joinpath(&path, git_repository_path(g_repo), "FETCH_HEAD"));
  	cl_assert(!git_fs_path_exists(path.ptr));
  	cl_git_pass(git_remote_fetch(remote, NULL, NULL, NULL));
  	cl_assert(git_fs_path_exists(path.ptr));
  
  	{
  		int i;
  		struct prefix_count prefix_counts[] = {
  			{"refs/notes/", 0, 1},
  			{"refs/heads/", 0, 12},
  			{"refs/tags/", 0, 7},
  			{NULL, 0, 0},
  		};
  
  		cl_git_pass(git_repository_fetchhead_foreach(g_repo, count_refs, &prefix_counts));
  		cl_assert(count_refs_called);
  		for (i = 0; prefix_counts[i].prefix; i++)
  			cl_assert_equal_i(prefix_counts[i].expected, prefix_counts[i].count);
  	}
  
  	git_remote_free(remote);
  	git_str_dispose(&path);
  }
  
  void test_fetchhead_nonetwork__credentials_are_stripped(void)
  {
  	git_fetchhead_ref *ref;
  	git_oid oid;
  
  	cl_git_pass(git_oid_fromstr(&oid, "49322bb17d3acc9146f98c97d078513228bbf3c0"));
  	cl_git_pass(git_fetchhead_ref_create(&ref, &oid, 0,
  		"refs/tags/commit_tree", "http://foo:bar@github.com/libgit2/TestGitRepository"));
  	cl_assert_equal_s(ref->remote_url, "http://github.com/libgit2/TestGitRepository");
  	git_fetchhead_ref_free(ref);
  
  	cl_git_pass(git_oid_fromstr(&oid, "49322bb17d3acc9146f98c97d078513228bbf3c0"));
  	cl_git_pass(git_fetchhead_ref_create(&ref, &oid, 0,
  		"refs/tags/commit_tree", "https://foo:bar@github.com/libgit2/TestGitRepository"));
  	cl_assert_equal_s(ref->remote_url, "https://github.com/libgit2/TestGitRepository");
  	git_fetchhead_ref_free(ref);
  }
  

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