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thodg/got/regress/repository/repository_test.c

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  • Author : Stefan Sperling
    Date : 2018-01-26 14:34:15
    Hash : b08fe7be
    Message : make tests print 'ok' if they pass

  • 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 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);
    }
    
    #define RUN_TEST(expr, name) \
    	{ test_ok = (expr);  \
    	printf("test %s %s\n", (name), test_ok ? "ok" : "failed"); \
    	failure = (failure || !test_ok); }
    
    int
    main(int argc, const char *argv[])
    {
    	int test_ok = 0, 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;
    }