thodg/got/regress/repository/repository_test.c

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• Show log

  Commit

• Author : Stefan Sperling
  Date : 2018-01-19 18:09:29
  Hash : eef6493a
  Message : Make struct got_object opaque to users of the library

• regress/repository/repository_test.c

• /*
   * Copyright (c) 2017 Stefan Sperling <stsp@openbsd.org>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  #include <sys/stat.h>
  #include <sys/queue.h>
  
  #include <stdio.h>
  #include <stdlib.h>
  #include <sha1.h>
  #include <zlib.h>
  
  #include "got_error.h"
  #include "got_object.h"
  #include "got_refs.h"
  #include "got_repository.h"
  #include "got_sha1.h"
  #include "got_diff.h"
  
  #define RUN_TEST(expr, name) \
  	if (!(expr)) { printf("test %s failed\n", (name)); failure = 1; }
  
  #define GOT_REPO_PATH "../../../"
  
  static const struct got_error *
  print_commit_object(struct got_object *, struct got_repository *);
  
  static const struct got_error *
  print_parent_commits(struct got_commit_object *commit,
      struct got_repository *repo)
  {
  	struct got_parent_id *pid;
  	const struct got_error *err;
  	struct got_object *obj;
  
  	SIMPLEQ_FOREACH(pid, &commit->parent_ids, entry) {
  		err = got_object_open(&obj, repo, &pid->id);
  		if (err != NULL)
  			return err;
  		if (got_object_get_type(obj) != GOT_OBJ_TYPE_COMMIT)
  			return got_error(GOT_ERR_OBJ_TYPE);
  		print_commit_object(obj, repo);
  		got_object_close(obj);
  	}
  
  	return NULL;
  }
  
  static const struct got_error *
  print_tree_object(struct got_object *obj, char *parent,
      struct got_repository *repo)
  {
  	struct got_tree_object *tree;
  	struct got_tree_entry *te;
  	const struct got_error *err;
  	char hex[SHA1_DIGEST_STRING_LENGTH];
  
  	err = got_object_tree_open(&tree, repo, obj);
  	if (err != NULL)
  		return err;
  
  	SIMPLEQ_FOREACH(te, &tree->entries, entry) {
  		struct got_object *treeobj;
  		char *next_parent;
  
  		if (!S_ISDIR(te->mode)) {
  			printf("%s %s/%s\n",
  			    got_object_id_str(&te->id, hex, sizeof(hex)),
  			    parent, te->name);
  			continue;
  		}
  		printf("%s %s/%s\n",
  		    got_object_id_str(&te->id, hex, sizeof(hex)),
  		    parent, te->name);
  
  		err = got_object_open(&treeobj, repo, &te->id);
  		if (err != NULL)
  			break;
  
  		if (got_object_get_type(treeobj) != GOT_OBJ_TYPE_TREE) {
  			err = got_error(GOT_ERR_OBJ_TYPE);
  			got_object_close(treeobj);
  			break;
  		}
  
  		if (asprintf(&next_parent, "%s/%s", parent, te->name) == -1) {
  			err = got_error(GOT_ERR_NO_MEM);
  			got_object_close(treeobj);
  			break;
  		}
  
  		err = print_tree_object(treeobj, next_parent, repo);
  		free(next_parent);
  		if (err) {
  			got_object_close(treeobj);
  			break;
  		}
  
  		got_object_close(treeobj);
  	}
  
  	got_object_tree_close(tree);
  	return err;
  }
  
  static const struct got_error *
  print_commit_object(struct got_object *obj, struct got_repository *repo)
  {
  	struct got_commit_object *commit;
  	struct got_parent_id *pid;
  	char buf[SHA1_DIGEST_STRING_LENGTH];
  	const struct got_error *err;
  	struct got_object* treeobj;
  
  	err = got_object_commit_open(&commit, repo, obj);
  	if (err != NULL)
  		return err;
  
  	printf("tree: %s\n",
  	    got_object_id_str(&commit->tree_id, buf, sizeof(buf)));
  	printf("parent%s: ", (commit->nparents == 1) ? "" : "s");
  	SIMPLEQ_FOREACH(pid, &commit->parent_ids, entry) {
  		printf("%s\n",
  		    got_object_id_str(&pid->id, buf, sizeof(buf)));
  	}
  	printf("author: %s\n", commit->author);
  	printf("committer: %s\n", commit->committer);
  	printf("log: %s\n", commit->logmsg);
  
  	err = got_object_open(&treeobj, repo, &commit->tree_id);
  	if (err != NULL)
  		return err;
  	if (got_object_get_type(treeobj) == GOT_OBJ_TYPE_TREE) {
  		print_tree_object(treeobj, "", repo);
  		printf("\n");
  	}
  	got_object_close(treeobj);
  
  	err = print_parent_commits(commit, repo);
  	got_object_commit_close(commit);
  
  	return err;
  }
  
  static int
  repo_read_log(const char *repo_path)
  {
  	const struct got_error *err;
  	struct got_repository *repo;
  	struct got_reference *head_ref;
  	struct got_object_id *id;
  	struct got_object *obj;
  	char buf[SHA1_DIGEST_STRING_LENGTH];
  	int ret;
  
  	err = got_repo_open(&repo, repo_path);
  	if (err != NULL || repo == NULL)
  		return 0;
  	err = got_ref_open(&head_ref, repo, GOT_REF_HEAD);
  	if (err != NULL || head_ref == NULL)
  		return 0;
  	err = got_ref_resolve(&id, repo, head_ref);
  	if (err != NULL || head_ref == NULL)
  		return 0;
  	printf("HEAD is at %s\n", got_object_id_str(id, buf, sizeof(buf)));
  	err = got_object_open(&obj, repo, id);
  	if (err != NULL || obj == NULL)
  		return 0;
  	if (got_object_get_type(obj) == GOT_OBJ_TYPE_COMMIT)
  		print_commit_object(obj, repo);
  	got_object_close(obj);
  	free(id);
  	got_ref_close(head_ref);
  	got_repo_close(repo);
  	return 1;
  }
  
  static int
  repo_read_blob(const char *repo_path)
  {
  	const char *blob_sha1 = "141f5fdc96126c1f4195558560a3c915e3d9b4c3";
  	const struct got_error *err;
  	struct got_repository *repo;
  	struct got_object_id id;
  	struct got_object *obj;
  	struct got_blob_object *blob;
  	char hex[SHA1_DIGEST_STRING_LENGTH];
  	int i;
  	size_t len;
  
  	if (!got_parse_sha1_digest(id.sha1, blob_sha1))
  		return 0;
  
  	err = got_repo_open(&repo, repo_path);
  	if (err != NULL || repo == NULL)
  		return 0;
  	err = got_object_open(&obj, repo, &id);
  	if (err != NULL || obj == NULL)
  		return 0;
  	if (got_object_get_type(obj) != GOT_OBJ_TYPE_BLOB)
  		return 0;
  
  	err = got_object_blob_open(&blob, repo, obj, 64);
  	if (err != NULL)
  		return 0;
  
  	putchar('\n');
  	do {
  		err = got_object_blob_read_block(blob, &len);
  		if (err)
  			break;
  		for (i = 0; i < len; i++)
  			putchar(blob->zb.outbuf[i]);
  	} while (len != 0);
  	putchar('\n');
  
  	got_object_blob_close(blob);
  	got_object_close(obj);
  	got_repo_close(repo);
  	return (err == NULL);
  }
  
  static int
  repo_diff_blob(const char *repo_path)
  {
  	const char *blob1_sha1 = "141f5fdc96126c1f4195558560a3c915e3d9b4c3";
  	const char *blob2_sha1 = "de7eb21b21c7823a753261aadf7cba35c9580fbf";
  	const struct got_error *err;
  	struct got_repository *repo;
  	struct got_object_id id1;
  	struct got_object_id id2;
  	struct got_object *obj1;
  	struct got_object *obj2;
  	struct got_blob_object *blob1;
  	struct got_blob_object *blob2;
  	char hex[SHA1_DIGEST_STRING_LENGTH];
  	int i;
  	size_t len;
  
  	if (!got_parse_sha1_digest(id1.sha1, blob1_sha1))
  		return 0;
  	if (!got_parse_sha1_digest(id2.sha1, blob2_sha1))
  		return 0;
  
  	err = got_repo_open(&repo, repo_path);
  	if (err != NULL || repo == NULL)
  		return 0;
  
  	err = got_object_open(&obj1, repo, &id1);
  	if (err != NULL || obj1 == NULL)
  		return 0;
  	if (got_object_get_type(obj1) != GOT_OBJ_TYPE_BLOB)
  		return 0;
  	err = got_object_open(&obj2, repo, &id2);
  	if (err != NULL || obj2 == NULL)
  		return 0;
  	if (got_object_get_type(obj2) != GOT_OBJ_TYPE_BLOB)
  		return 0;
  
  	err = got_object_blob_open(&blob1, repo, obj1, 512);
  	if (err != NULL)
  		return 0;
  
  	err = got_object_blob_open(&blob2, repo, obj2, 512);
  	if (err != NULL)
  		return 0;
  
  	putchar('\n');
  	got_diff_blob(blob1, blob2, NULL, NULL, stdout);
  	putchar('\n');
  
  	got_object_blob_close(blob1);
  	got_object_blob_close(blob2);
  	got_object_close(obj1);
  	got_object_close(obj2);
  	got_repo_close(repo);
  	return (err == NULL);
  }
  
  static int
  repo_diff_tree(const char *repo_path)
  {
  	const char *tree1_sha1 = "1efc41caf761a0a1f119d0c5121eedcb2e7a88c3";
  	const char *tree2_sha1 = "4aa8f2933839ff8a8fb3f905a4c232d22c6ff5f3";
  	const struct got_error *err;
  	struct got_repository *repo;
  	struct got_object_id id1;
  	struct got_object_id id2;
  	struct got_object *obj1;
  	struct got_object *obj2;
  	struct got_tree_object *tree1;
  	struct got_tree_object *tree2;
  	char hex[SHA1_DIGEST_STRING_LENGTH];
  	int i;
  	size_t len;
  
  	if (!got_parse_sha1_digest(id1.sha1, tree1_sha1))
  		return 0;
  	if (!got_parse_sha1_digest(id2.sha1, tree2_sha1))
  		return 0;
  
  	err = got_repo_open(&repo, repo_path);
  	if (err != NULL || repo == NULL)
  		return 0;
  
  	err = got_object_open(&obj1, repo, &id1);
  	if (err != NULL || obj1 == NULL)
  		return 0;
  	if (got_object_get_type(obj1) != GOT_OBJ_TYPE_TREE)
  		return 0;
  	err = got_object_open(&obj2, repo, &id2);
  	if (err != NULL || obj2 == NULL)
  		return 0;
  	if (got_object_get_type(obj2) != GOT_OBJ_TYPE_TREE)
  		return 0;
  
  	err = got_object_tree_open(&tree1, repo, obj1);
  	if (err != NULL)
  		return 0;
  
  	err = got_object_tree_open(&tree2, repo, obj2);
  	if (err != NULL)
  		return 0;
  
  	putchar('\n');
  	got_diff_tree(tree1, tree2, repo);
  	putchar('\n');
  
  	got_object_tree_close(tree1);
  	got_object_tree_close(tree2);
  	got_object_close(obj1);
  	got_object_close(obj2);
  	got_repo_close(repo);
  	return (err == NULL);
  }
  
  int
  main(int argc, const char *argv[])
  {
  	int failure = 0;
  	const char *repo_path;
  
  	if (argc == 1)
  		repo_path = GOT_REPO_PATH;
  	else if (argc == 2)
  		repo_path = argv[1];
  	else {
  		fprintf(stderr, "usage: repository_test [REPO_PATH]\n");
  		return 1;
  	}
  
  	RUN_TEST(repo_read_log(repo_path), "read_log");
  	RUN_TEST(repo_read_blob(repo_path), "read_blob");
  	RUN_TEST(repo_diff_blob(repo_path), "diff_blob");
  	RUN_TEST(repo_diff_tree(repo_path), "diff_tree");
  
  	return failure ? 1 : 0;
  }