thodg/libgit2/tests-clar/index/tests.c

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• Hash : 1876360f
  Author :
  Date : 2012-11-18T16:59:42
  

  Add a test for invalid filenames while writing tree from index

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• tests-clar/index/tests.c

• #include "clar_libgit2.h"
  #include "index.h"
  
  static const int index_entry_count = 109;
  static const int index_entry_count_2 = 1437;
  #define TEST_INDEX_PATH cl_fixture("testrepo.git/index")
  #define TEST_INDEX2_PATH cl_fixture("gitgit.index")
  #define TEST_INDEXBIG_PATH cl_fixture("big.index")
  
  
  // Suite data
  struct test_entry {
     int index;
     char path[128];
     git_off_t file_size;
     git_time_t mtime;
  };
  
  static 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}
  };
  
  
  // Helpers
  static void copy_file(const char *src, const char *dst)
  {
  	git_buf source_buf = GIT_BUF_INIT;
  	git_file dst_fd;
  
  	cl_git_pass(git_futils_readbuffer(&source_buf, src));
  
  	dst_fd = git_futils_creat_withpath(dst, 0777, 0666); //-V536
  	if (dst_fd < 0)
  		goto cleanup;
  
  	cl_git_pass(p_write(dst_fd, source_buf.ptr, source_buf.size));
  
  cleanup:
  	git_buf_free(&source_buf);
  	p_close(dst_fd);
  }
  
  static void files_are_equal(const char *a, const char *b)
  {
  	git_buf buf_a = GIT_BUF_INIT;
  	git_buf buf_b = GIT_BUF_INIT;
  	int pass;
  
  	if (git_futils_readbuffer(&buf_a, a) < 0)
  		cl_assert(0);
  
  	if (git_futils_readbuffer(&buf_b, b) < 0) {
  		git_buf_free(&buf_a);
  		cl_assert(0);
  	}
  
  	pass = (buf_a.size == buf_b.size && !memcmp(buf_a.ptr, buf_b.ptr, buf_a.size));
  
  	git_buf_free(&buf_a);
  	git_buf_free(&buf_b);
  
  	cl_assert(pass);
  }
  
  
  // Fixture setup and teardown
  void test_index_tests__initialize(void)
  {
  }
  
  void test_index_tests__cleanup(void)
  {
  }
  
  
  void test_index_tests__empty_index(void)
  {
     git_index *index;
  
     cl_git_pass(git_index_open(&index, "in-memory-index"));
     cl_assert(index->on_disk == 0);
  
     cl_assert(git_index_entrycount(index) == 0);
     cl_assert(index->entries.sorted);
  
     git_index_free(index);
  }
  
  void test_index_tests__default_test_index(void)
  {
     git_index *index;
     unsigned int i;
     git_index_entry **entries;
  
     cl_git_pass(git_index_open(&index, TEST_INDEX_PATH));
     cl_assert(index->on_disk);
  
     cl_assert(git_index_entrycount(index) == (unsigned int)index_entry_count);
     cl_assert(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];
  
        cl_assert_equal_s(e->path, test_entries[i].path);
        cl_assert(e->mtime.seconds == test_entries[i].mtime);
        cl_assert(e->file_size == test_entries[i].file_size);
     }
  
     git_index_free(index);
  }
  
  void test_index_tests__gitgit_index(void)
  {
     git_index *index;
  
     cl_git_pass(git_index_open(&index, TEST_INDEX2_PATH));
     cl_assert(index->on_disk);
  
     cl_assert(git_index_entrycount(index) == (unsigned int)index_entry_count_2);
     cl_assert(index->entries.sorted);
     cl_assert(index->tree != NULL);
  
     git_index_free(index);
  }
  
  void test_index_tests__find_in_existing(void)
  {
     git_index *index;
     unsigned int i;
  
     cl_git_pass(git_index_open(&index, TEST_INDEX_PATH));
  
     for (i = 0; i < ARRAY_SIZE(test_entries); ++i) {
        int idx = git_index_find(index, test_entries[i].path);
        cl_assert(idx == test_entries[i].index);
     }
  
     git_index_free(index);
  }
  
  void test_index_tests__find_in_empty(void)
  {
     git_index *index;
     unsigned int i;
  
     cl_git_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);
        cl_assert(idx == GIT_ENOTFOUND);
     }
  
     git_index_free(index);
  }
  
  void test_index_tests__write(void)
  {
     git_index *index;
  
     copy_file(TEST_INDEXBIG_PATH, "index_rewrite");
  
     cl_git_pass(git_index_open(&index, "index_rewrite"));
     cl_assert(index->on_disk);
  
     cl_git_pass(git_index_write(index));
     files_are_equal(TEST_INDEXBIG_PATH, "index_rewrite");
  
     git_index_free(index);
  
     p_unlink("index_rewrite");
  }
  
  void test_index_tests__sort0(void)
  {
     // 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
     */
  }
  
  void test_index_tests__sort1(void)
  {
     // sort the entires in an empty index
     git_index *index;
  
     cl_git_pass(git_index_open(&index, "fake-index"));
  
     /* FIXME: this test is slightly dumb */
     cl_assert(index->entries.sorted);
  
     git_index_free(index);
  }
  
  void test_index_tests__add(void)
  {
     git_index *index;
     git_filebuf file = GIT_FILEBUF_INIT;
     git_repository *repo;
     git_index_entry *entry;
     git_oid id1;
  
     /* Intialize a new repository */
     cl_git_pass(git_repository_init(&repo, "./myrepo", 0));
  
     /* Ensure we're the only guy in the room */
     cl_git_pass(git_repository_index(&index, repo));
     cl_assert(git_index_entrycount(index) == 0);
  
     /* Create a new file in the working directory */
     cl_git_pass(git_futils_mkpath2file("myrepo/test.txt", 0777));
     cl_git_pass(git_filebuf_open(&file, "myrepo/test.txt", 0));
     cl_git_pass(git_filebuf_write(&file, "hey there\n", 10));
     cl_git_pass(git_filebuf_commit(&file, 0666));
  
     /* Store the expected hash of the file/blob
     * This has been generated by executing the following
     * $ echo "hey there" | git hash-object --stdin
     */
     cl_git_pass(git_oid_fromstr(&id1, "a8233120f6ad708f843d861ce2b7228ec4e3dec6"));
  
     /* Add the new file to the index */
     cl_git_pass(git_index_add_from_workdir(index, "test.txt"));
  
     /* Wow... it worked! */
     cl_assert(git_index_entrycount(index) == 1);
     entry = git_index_get_byindex(index, 0);
  
     /* And the built-in hashing mechanism worked as expected */
     cl_assert(git_oid_cmp(&id1, &entry->oid) == 0);
  
     /* Test access by path instead of index */
     cl_assert((entry = git_index_get_bypath(index, "test.txt", 0)) != NULL);
     cl_assert(git_oid_cmp(&id1, &entry->oid) == 0);
  
     git_index_free(index);
     git_repository_free(repo);
  }
  
  void test_index_tests__add_from_workdir_to_a_bare_repository_returns_EBAREPO(void)
  {
  	git_repository *bare_repo;
  	git_index *index;
  
  	cl_git_pass(git_repository_open(&bare_repo, cl_fixture("testrepo.git")));
  	cl_git_pass(git_repository_index(&index, bare_repo));
  
  	cl_assert_equal_i(GIT_EBAREREPO, git_index_add_from_workdir(index, "test.txt"));
  
  	git_index_free(index);
  	git_repository_free(bare_repo);
  }
  
  /* Test that writing an invalid filename fails */
  void test_index_tests__write_invalid_filename(void)
  {
  	git_repository *repo;
  	git_index *index;
  	git_oid expected;
  
  	p_mkdir("read_tree", 0700);
  
  	cl_git_pass(git_repository_init(&repo, "./read_tree", 0));
  	cl_git_pass(git_repository_index(&index, repo));
  
  	cl_assert(git_index_entrycount(index) == 0);
  
  	cl_git_mkfile("./read_tree/.git/hello", NULL);
  
  	cl_git_pass(git_index_add_from_workdir(index, ".git/hello"));
  
  	/* write-tree */
  	cl_git_fail(git_index_write_tree(&expected, index));
  
  	git_index_free(index);
  	git_repository_free(repo);
  
  	cl_fixture_cleanup("read_tree");
  }
  

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