thodg/libgit2/tests/t06-index.c

• Show log

  Commit

• Hash : 8e11e707
  Author :
  Date : 2011-06-15T16:06:20
  

  git_index_add: enforce test coverage

Download

• tests/t06-index.c

• /*
   * This file is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License, version 2,
   * as published by the Free Software Foundation.
   *
   * In addition to the permissions in the GNU General Public License,
   * the authors give you unlimited permission to link the compiled
   * version of this file into combinations with other programs,
   * and to distribute those combinations without any restriction
   * coming from the use of this file.  (The General Public License
   * restrictions do apply in other respects; for example, they cover
   * modification of the file, and distribution when not linked into
   * a combined executable.)
   *
   * This file is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; see the file COPYING.  If not, write to
   * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
   * Boston, MA 02110-1301, USA.
   */
  #include "test_lib.h"
  #include "test_helpers.h"
  
  #include "index.h"
  
  #define TEST_INDEX_ENTRY_COUNT 109
  #define TEST_INDEX2_ENTRY_COUNT 1437
  
  struct test_entry {
  	unsigned int index;
  	char path[128];
  	git_off_t file_size;
  	git_time_t mtime;
  };
  
  struct test_entry TEST_ENTRIES[] = {
  	{4, "Makefile", 5064, 0x4C3F7F33},
  	{62, "tests/Makefile", 2631, 0x4C3F7F33},
  	{36, "src/index.c", 10014, 0x4C43368D},
  	{6, "git.git-authors", 2709, 0x4C3F7F33},
  	{48, "src/revobject.h", 1448, 0x4C3F7FE2}
  };
  
  BEGIN_TEST(read0, "load an empty index")
  	git_index *index;
  
  	must_pass(git_index_open(&index, "in-memory-index"));
  	must_be_true(index->on_disk == 0);
  
  	must_pass(git_index_read(index));
  
  	must_be_true(index->on_disk == 0);
  	must_be_true(git_index_entrycount(index) == 0);
  	must_be_true(index->entries.sorted);
  
  	git_index_free(index);
  END_TEST
  
  BEGIN_TEST(read1, "load a standard index (default test index)")
  	git_index *index;
  	unsigned int i;
  	git_index_entry **entries;
  
  	must_pass(git_index_open(&index, TEST_INDEX_PATH));
  	must_be_true(index->on_disk);
  
  	must_pass(git_index_read(index));
  
  	must_be_true(index->on_disk);
  	must_be_true(git_index_entrycount(index) == TEST_INDEX_ENTRY_COUNT);
  	must_be_true(index->entries.sorted);
  
  	entries = (git_index_entry **)index->entries.contents;
  
  	for (i = 0; i < ARRAY_SIZE(TEST_ENTRIES); ++i) {
  		git_index_entry *e = entries[TEST_ENTRIES[i].index];
  
  		must_be_true(strcmp(e->path, TEST_ENTRIES[i].path) == 0);
  		must_be_true(e->mtime.seconds == TEST_ENTRIES[i].mtime);
  		must_be_true(e->file_size == TEST_ENTRIES[i].file_size);
  	}
  
  	git_index_free(index);
  END_TEST
  
  BEGIN_TEST(read2, "load a standard index (git.git index)")
  	git_index *index;
  
  	must_pass(git_index_open(&index, TEST_INDEX2_PATH));
  	must_be_true(index->on_disk);
  
  	must_pass(git_index_read(index));
  
  	must_be_true(index->on_disk);
  	must_be_true(git_index_entrycount(index) == TEST_INDEX2_ENTRY_COUNT);
  	must_be_true(index->entries.sorted);
  	must_be_true(index->tree != NULL);
  
  	git_index_free(index);
  END_TEST
  
  BEGIN_TEST(find0, "find an entry on an index")
  	git_index *index;
  	unsigned int i;
  
  	must_pass(git_index_open(&index, TEST_INDEX_PATH));
  	must_pass(git_index_read(index));
  
  	for (i = 0; i < ARRAY_SIZE(TEST_ENTRIES); ++i) {
  		int idx = git_index_find(index, TEST_ENTRIES[i].path);
  		must_be_true((unsigned int)idx == TEST_ENTRIES[i].index);
  	}
  
  	git_index_free(index);
  END_TEST
  
  BEGIN_TEST(find1, "find an entry in an empty index")
  	git_index *index;
  	unsigned int i;
  
  	must_pass(git_index_open(&index, "fake-index"));
  
  	for (i = 0; i < ARRAY_SIZE(TEST_ENTRIES); ++i) {
  		int idx = git_index_find(index, TEST_ENTRIES[i].path);
  		must_be_true(idx == GIT_ENOTFOUND);
  	}
  
  	git_index_free(index);
  END_TEST
  
  BEGIN_TEST(write0, "write an index back to disk")
  	git_index *index;
  
  	must_pass(copy_file(TEST_INDEXBIG_PATH, "index_rewrite"));
  
  	must_pass(git_index_open(&index, "index_rewrite"));
  	must_pass(git_index_read(index));
  	must_be_true(index->on_disk);
  
  	must_pass(git_index_write(index));
  	must_pass(cmp_files(TEST_INDEXBIG_PATH, "index_rewrite"));
  
  	git_index_free(index);
  	
  	gitfo_unlink("index_rewrite");
  END_TEST
  
  BEGIN_TEST(sort0, "sort the entires in an index")
  	/*
  	 * TODO: This no longer applies:
  	 * index sorting in Git uses some specific changes to the way
  	 * directories are sorted.
  	 *
  	 * We need to specificially check for this by creating a new
  	 * index, adding entries in random order and then
  	 * checking for consistency
  	 */
  END_TEST
  
  BEGIN_TEST(sort1, "sort the entires in an empty index")
  	git_index *index;
  
  	must_pass(git_index_open(&index, "fake-index"));
  
  	/* FIXME: this test is slightly dumb */
  	must_be_true(index->entries.sorted);
  
  	git_index_free(index);
  END_TEST
  
  BEGIN_TEST(add0, "add a new file to the index")
  	git_index *index;
  	git_filebuf file;
  	git_repository *repo;
  	git_index_entry *entry;
  	git_oid id1;
  
  	/* Intialize a new repository */
  	must_pass(git_repository_init(&repo, TEMP_REPO_FOLDER "myrepo", 0));
  
  	/* Ensure we're the only guy in the room */
  	must_pass(git_repository_index(&index, repo));
  	must_pass(git_index_entrycount(index) == 0);
  
  	/* Create a new file in the working directory */
  	must_pass(gitfo_mkdir_2file(TEMP_REPO_FOLDER "myrepo/test.txt"));
  	must_pass(git_filebuf_open(&file, TEMP_REPO_FOLDER "myrepo/test.txt", 0));
  	must_pass(git_filebuf_write(&file, "hey there\n", 10));
  	must_pass(git_filebuf_commit(&file));
  
  	/* Store the expected hash of the file/blob
  	 * This has been generated by executing the following
  	 * $ echo "hey there" | git hash-object --stdin
  	 */
  	must_pass(git_oid_mkstr(&id1, "a8233120f6ad708f843d861ce2b7228ec4e3dec6"));
  
  	/* Add the new file to the index */
  	must_pass(git_index_add(index, "test.txt", 0));
  
  	/* Wow... it worked! */
  	must_pass(git_index_entrycount(index) == 1);
  	entry = git_index_get(index, 0);
  
  	/* And the built-in hashing mechanism worked as expected */
      must_be_true(git_oid_cmp(&id1, &entry->oid) == 0);
  
  	git_repository_free(repo);
  	rmdir_recurs(TEMP_REPO_FOLDER);
  END_TEST
  
  BEGIN_SUITE(index)
  	ADD_TEST(read0);
  	ADD_TEST(read1);
  	ADD_TEST(read2);
  
  	ADD_TEST(find0);
  	ADD_TEST(find1);
  
  	ADD_TEST(write0);
  
  	ADD_TEST(sort0);
  	ADD_TEST(sort1);
  
  	ADD_TEST(add0);
  END_SUITE
  

Download