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Diffstat (limited to 'tests/libgit2/index/tests.c')
| -rw-r--r-- | tests/libgit2/index/tests.c | 1173 |
1 files changed, 1173 insertions, 0 deletions
diff --git a/tests/libgit2/index/tests.c b/tests/libgit2/index/tests.c new file mode 100644 index 000000000..205d12e5b --- /dev/null +++ b/tests/libgit2/index/tests.c @@ -0,0 +1,1173 @@ +#include "clar_libgit2.h" +#include "index.h" + +static const size_t index_entry_count = 109; +static const size_t 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") +#define TEST_INDEXBAD_PATH cl_fixture("bad.index") + + +/* Suite data */ +struct test_entry { + size_t index; + char path[128]; + off64_t file_size; + git_time_t mtime; +}; + +static struct test_entry test_entries[] = { + {4, "Makefile", 5064, 0x4C3F7F33}, + {6, "git.git-authors", 2709, 0x4C3F7F33}, + {36, "src/index.c", 10014, 0x4C43368D}, + {48, "src/revobject.h", 1448, 0x4C3F7FE2}, + {62, "tests/Makefile", 2631, 0x4C3F7F33} +}; + +/* Helpers */ +static void copy_file(const char *src, const char *dst) +{ + git_str source_buf = GIT_STR_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_str_dispose(&source_buf); + p_close(dst_fd); +} + +static void files_are_equal(const char *a, const char *b) +{ + git_str buf_a = GIT_STR_INIT; + git_str buf_b = GIT_STR_INIT; + int pass; + + if (git_futils_readbuffer(&buf_a, a) < 0) + cl_assert(0); + + if (git_futils_readbuffer(&buf_b, b) < 0) { + git_str_dispose(&buf_a); + cl_assert(0); + } + + pass = (buf_a.size == buf_b.size && !memcmp(buf_a.ptr, buf_b.ptr, buf_a.size)); + + git_str_dispose(&buf_a); + git_str_dispose(&buf_b); + + cl_assert(pass); +} + + +/* Fixture setup and teardown */ +void test_index_tests__initialize(void) +{ +} + +void test_index_tests__cleanup(void) +{ + cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_UNSAVED_INDEX_SAFETY, 0)); +} + +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(git_vector_is_sorted(&index->entries)); + + 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) == index_entry_count); + cl_assert(git_vector_is_sorted(&index->entries)); + + 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_equal_i(e->mtime.seconds, test_entries[i].mtime); + cl_assert_equal_i(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) == index_entry_count_2); + cl_assert(git_vector_is_sorted(&index->entries)); + 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) { + size_t idx; + + cl_assert(!git_index_find(&idx, 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) { + cl_assert(GIT_ENOTFOUND == git_index_find(NULL, index, test_entries[i].path)); + } + + git_index_free(index); +} + +void test_index_tests__find_prefix(void) +{ + git_index *index; + const git_index_entry *entry; + size_t pos; + + cl_git_pass(git_index_open(&index, TEST_INDEX_PATH)); + + cl_git_pass(git_index_find_prefix(&pos, index, "src")); + entry = git_index_get_byindex(index, pos); + cl_assert(git__strcmp(entry->path, "src/block-sha1/sha1.c") == 0); + + cl_git_pass(git_index_find_prefix(&pos, index, "src/co")); + entry = git_index_get_byindex(index, pos); + cl_assert(git__strcmp(entry->path, "src/commit.c") == 0); + + cl_assert(GIT_ENOTFOUND == git_index_find_prefix(NULL, index, "blah")); + + 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 entries 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 specifically 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 entries in an empty index */ + git_index *index; + + cl_git_pass(git_index_open(&index, "fake-index")); + + /* FIXME: this test is slightly dumb */ + cl_assert(git_vector_is_sorted(&index->entries)); + + git_index_free(index); +} + +static void cleanup_myrepo(void *opaque) +{ + GIT_UNUSED(opaque); + cl_fixture_cleanup("myrepo"); +} + +void test_index_tests__add(void) +{ + git_index *index; + git_filebuf file = GIT_FILEBUF_INIT; + git_repository *repo; + const git_index_entry *entry; + git_oid id1; + + cl_set_cleanup(&cleanup_myrepo, NULL); + + /* Initialize 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, 0666)); + cl_git_pass(git_filebuf_write(&file, "hey there\n", 10)); + cl_git_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 + */ + cl_git_pass(git_oid_fromstr(&id1, "a8233120f6ad708f843d861ce2b7228ec4e3dec6")); + + /* Add the new file to the index */ + cl_git_pass(git_index_add_bypath(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_equal_oid(&id1, &entry->id); + + /* Test access by path instead of index */ + cl_assert((entry = git_index_get_bypath(index, "test.txt", 0)) != NULL); + cl_assert_equal_oid(&id1, &entry->id); + + git_index_free(index); + git_repository_free(repo); +} + +void test_index_tests__add_frombuffer(void) +{ + git_index *index; + git_repository *repo; + git_index_entry entry; + const git_index_entry *returned_entry; + + git_oid id1; + git_blob *blob; + + const char *content = "hey there\n"; + + cl_set_cleanup(&cleanup_myrepo, NULL); + + /* Initialize 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); + + /* 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 */ + memset(&entry, 0x0, sizeof(git_index_entry)); + entry.mode = GIT_FILEMODE_BLOB; + entry.path = "test.txt"; + cl_git_pass(git_index_add_from_buffer(index, &entry, + content, strlen(content))); + + /* Wow... it worked! */ + cl_assert(git_index_entrycount(index) == 1); + returned_entry = git_index_get_byindex(index, 0); + + /* And the built-in hashing mechanism worked as expected */ + cl_assert_equal_oid(&id1, &returned_entry->id); + /* And mode is the one asked */ + cl_assert_equal_i(GIT_FILEMODE_BLOB, returned_entry->mode); + + /* Test access by path instead of index */ + cl_assert((returned_entry = git_index_get_bypath(index, "test.txt", 0)) != NULL); + cl_assert_equal_oid(&id1, &returned_entry->id); + + /* Test the blob is in the repository */ + cl_git_pass(git_blob_lookup(&blob, repo, &id1)); + cl_assert_equal_s( + content, git_blob_rawcontent(blob)); + git_blob_free(blob); + + git_index_free(index); + git_repository_free(repo); +} + +void test_index_tests__dirty_and_clean(void) +{ + git_repository *repo; + git_index *index; + git_index_entry entry = {{0}}; + + /* Index is not dirty after opening */ + cl_git_pass(git_repository_init(&repo, "./myrepo", 0)); + cl_git_pass(git_repository_index(&index, repo)); + + cl_assert(git_index_entrycount(index) == 0); + cl_assert(!git_index_is_dirty(index)); + + /* Index is dirty after adding an entry */ + entry.mode = GIT_FILEMODE_BLOB; + entry.path = "test.txt"; + cl_git_pass(git_index_add_from_buffer(index, &entry, "Hi.\n", 4)); + cl_assert(git_index_entrycount(index) == 1); + cl_assert(git_index_is_dirty(index)); + + /* Index is not dirty after write */ + cl_git_pass(git_index_write(index)); + cl_assert(!git_index_is_dirty(index)); + + /* Index is dirty after removing an entry */ + cl_git_pass(git_index_remove_bypath(index, "test.txt")); + cl_assert(git_index_entrycount(index) == 0); + cl_assert(git_index_is_dirty(index)); + + /* Index is not dirty after write */ + cl_git_pass(git_index_write(index)); + cl_assert(!git_index_is_dirty(index)); + + /* Index remains not dirty after read */ + cl_git_pass(git_index_read(index, 0)); + cl_assert(!git_index_is_dirty(index)); + + /* Index is dirty when we do an unforced read with dirty content */ + cl_git_pass(git_index_add_from_buffer(index, &entry, "Hi.\n", 4)); + cl_assert(git_index_entrycount(index) == 1); + cl_assert(git_index_is_dirty(index)); + + cl_git_pass(git_index_read(index, 0)); + cl_assert(git_index_is_dirty(index)); + + /* Index is clean when we force a read with dirty content */ + cl_git_pass(git_index_read(index, 1)); + cl_assert(!git_index_is_dirty(index)); + + git_index_free(index); + git_repository_free(repo); +} + +void test_index_tests__dirty_fails_optionally(void) +{ + git_repository *repo; + git_index *index; + git_index_entry entry = {{0}}; + + /* Index is not dirty after opening */ + repo = cl_git_sandbox_init("testrepo"); + cl_git_pass(git_repository_index(&index, repo)); + + /* Index is dirty after adding an entry */ + entry.mode = GIT_FILEMODE_BLOB; + entry.path = "test.txt"; + cl_git_pass(git_index_add_from_buffer(index, &entry, "Hi.\n", 4)); + cl_assert(git_index_is_dirty(index)); + + cl_git_pass(git_checkout_head(repo, NULL)); + + /* Index is dirty (again) after adding an entry */ + entry.mode = GIT_FILEMODE_BLOB; + entry.path = "test.txt"; + cl_git_pass(git_index_add_from_buffer(index, &entry, "Hi.\n", 4)); + cl_assert(git_index_is_dirty(index)); + + cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_UNSAVED_INDEX_SAFETY, 1)); + cl_git_fail_with(GIT_EINDEXDIRTY, git_checkout_head(repo, NULL)); + + git_index_free(index); + cl_git_sandbox_cleanup(); +} + +void test_index_tests__add_frombuffer_reset_entry(void) +{ + git_index *index; + git_repository *repo; + git_index_entry entry; + const git_index_entry *returned_entry; + git_filebuf file = GIT_FILEBUF_INIT; + + git_oid id1; + git_blob *blob; + const char *old_content = "here\n"; + const char *content = "hey there\n"; + + cl_set_cleanup(&cleanup_myrepo, NULL); + + /* Initialize a new repository */ + cl_git_pass(git_repository_init(&repo, "./myrepo", 0)); + cl_git_pass(git_repository_index(&index, repo)); + cl_git_pass(git_futils_mkpath2file("myrepo/test.txt", 0777)); + cl_git_pass(git_filebuf_open(&file, "myrepo/test.txt", 0, 0666)); + cl_git_pass(git_filebuf_write(&file, old_content, strlen(old_content))); + cl_git_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 + */ + cl_git_pass(git_oid_fromstr(&id1, "a8233120f6ad708f843d861ce2b7228ec4e3dec6")); + + cl_git_pass(git_index_add_bypath(index, "test.txt")); + + /* Add the new file to the index */ + memset(&entry, 0x0, sizeof(git_index_entry)); + entry.mode = GIT_FILEMODE_BLOB; + entry.path = "test.txt"; + cl_git_pass(git_index_add_from_buffer(index, &entry, + content, strlen(content))); + + /* Wow... it worked! */ + cl_assert(git_index_entrycount(index) == 1); + returned_entry = git_index_get_byindex(index, 0); + + /* And the built-in hashing mechanism worked as expected */ + cl_assert_equal_oid(&id1, &returned_entry->id); + /* And mode is the one asked */ + cl_assert_equal_i(GIT_FILEMODE_BLOB, returned_entry->mode); + + /* Test access by path instead of index */ + cl_assert((returned_entry = git_index_get_bypath(index, "test.txt", 0)) != NULL); + cl_assert_equal_oid(&id1, &returned_entry->id); + cl_assert_equal_i(0, returned_entry->dev); + cl_assert_equal_i(0, returned_entry->ino); + cl_assert_equal_i(0, returned_entry->uid); + cl_assert_equal_i(0, returned_entry->uid); + cl_assert_equal_i(10, returned_entry->file_size); + + /* Test the blob is in the repository */ + cl_git_pass(git_blob_lookup(&blob, repo, &id1)); + cl_assert_equal_s(content, git_blob_rawcontent(blob)); + git_blob_free(blob); + + git_index_free(index); + git_repository_free(repo); +} + +static void cleanup_1397(void *opaque) +{ + GIT_UNUSED(opaque); + cl_git_sandbox_cleanup(); +} + +void test_index_tests__add_issue_1397(void) +{ + git_index *index; + git_repository *repo; + const git_index_entry *entry; + git_oid id1; + + cl_set_cleanup(&cleanup_1397, NULL); + + repo = cl_git_sandbox_init("issue_1397"); + + cl_repo_set_bool(repo, "core.autocrlf", true); + + /* Ensure we're the only guy in the room */ + cl_git_pass(git_repository_index(&index, repo)); + + /* Store the expected hash of the file/blob + * This has been generated by executing the following + * $ git hash-object crlf_file.txt + */ + cl_git_pass(git_oid_fromstr(&id1, "8312e0889a9cbab77c732b6bc39b51a683e3a318")); + + /* Make sure the initial SHA-1 is correct */ + cl_assert((entry = git_index_get_bypath(index, "crlf_file.txt", 0)) != NULL); + cl_assert_equal_oid(&id1, &entry->id); + + /* Update the index */ + cl_git_pass(git_index_add_bypath(index, "crlf_file.txt")); + + /* Check the new SHA-1 */ + cl_assert((entry = git_index_get_bypath(index, "crlf_file.txt", 0)) != NULL); + cl_assert_equal_oid(&id1, &entry->id); + + git_index_free(index); +} + +void test_index_tests__add_bypath_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_bypath(index, "test.txt")); + + git_index_free(index); + git_repository_free(bare_repo); +} + +static void assert_add_bypath_fails(git_repository *repo, const char *fn) +{ + git_index *index; + git_str path = GIT_STR_INIT; + + cl_git_pass(git_repository_index(&index, repo)); + cl_assert(git_index_entrycount(index) == 0); + + git_str_joinpath(&path, "./invalid", fn); + + cl_git_mkfile(path.ptr, NULL); + cl_git_fail(git_index_add_bypath(index, fn)); + cl_must_pass(p_unlink(path.ptr)); + + cl_assert(git_index_entrycount(index) == 0); + + git_str_dispose(&path); + git_index_free(index); +} + +/* Test that writing an invalid filename fails */ +void test_index_tests__cannot_add_invalid_filename(void) +{ + git_repository *repo; + + cl_must_pass(p_mkdir("invalid", 0700)); + cl_git_pass(git_repository_init(&repo, "./invalid", 0)); + cl_must_pass(p_mkdir("./invalid/subdir", 0777)); + + /* cl_git_mkfile() needs the dir to exist */ + if (!git_fs_path_exists("./invalid/.GIT")) + cl_must_pass(p_mkdir("./invalid/.GIT", 0777)); + if (!git_fs_path_exists("./invalid/.GiT")) + cl_must_pass(p_mkdir("./invalid/.GiT", 0777)); + + assert_add_bypath_fails(repo, ".git/hello"); + assert_add_bypath_fails(repo, ".GIT/hello"); + assert_add_bypath_fails(repo, ".GiT/hello"); + assert_add_bypath_fails(repo, "./.git/hello"); + assert_add_bypath_fails(repo, "./foo"); + assert_add_bypath_fails(repo, "./bar"); + assert_add_bypath_fails(repo, "subdir/../bar"); + + git_repository_free(repo); + + cl_fixture_cleanup("invalid"); +} + +static void assert_add_fails(git_repository *repo, const char *fn) +{ + git_index *index; + git_str path = GIT_STR_INIT; + git_index_entry entry = {{0}}; + + cl_git_pass(git_repository_index(&index, repo)); + cl_assert(git_index_entrycount(index) == 0); + + entry.path = fn; + entry.mode = GIT_FILEMODE_BLOB; + cl_git_pass(git_oid_fromstr(&entry.id, "e69de29bb2d1d6434b8b29ae775ad8c2e48c5391")); + + cl_git_fail(git_index_add(index, &entry)); + + cl_assert(git_index_entrycount(index) == 0); + + git_str_dispose(&path); + git_index_free(index); +} + +/* + * Test that writing an invalid filename fails on filesystem + * specific protected names + */ +void test_index_tests__cannot_add_protected_invalid_filename(void) +{ + git_repository *repo; + git_index *index; + + cl_must_pass(p_mkdir("invalid", 0700)); + + cl_git_pass(git_repository_init(&repo, "./invalid", 0)); + + /* add a file to the repository so we can reference it later */ + cl_git_pass(git_repository_index(&index, repo)); + cl_git_mkfile("invalid/dummy.txt", ""); + cl_git_pass(git_index_add_bypath(index, "dummy.txt")); + cl_must_pass(p_unlink("invalid/dummy.txt")); + cl_git_pass(git_index_remove_bypath(index, "dummy.txt")); + git_index_free(index); + + cl_repo_set_bool(repo, "core.protectHFS", true); + cl_repo_set_bool(repo, "core.protectNTFS", true); + + assert_add_fails(repo, ".git./hello"); + assert_add_fails(repo, ".git\xe2\x80\xad/hello"); + assert_add_fails(repo, "git~1/hello"); + assert_add_fails(repo, ".git\xe2\x81\xaf/hello"); + assert_add_fails(repo, ".git::$INDEX_ALLOCATION/dummy-file"); + + git_repository_free(repo); + + cl_fixture_cleanup("invalid"); +} + +static void replace_char(char *str, char in, char out) +{ + char *c = str; + + while (*c++) + if (*c == in) + *c = out; +} + +static void assert_write_fails(git_repository *repo, const char *fn_orig) +{ + git_index *index; + git_oid expected; + const git_index_entry *entry; + git_str path = GIT_STR_INIT; + char *fn; + + cl_git_pass(git_repository_index(&index, repo)); + cl_assert(git_index_entrycount(index) == 0); + + /* + * Sneak a valid path into the index, we'll update it + * to an invalid path when we try to write the index. + */ + fn = git__strdup(fn_orig); + replace_char(fn, '/', '_'); + replace_char(fn, ':', '!'); + + git_str_joinpath(&path, "./invalid", fn); + + cl_git_mkfile(path.ptr, NULL); + + cl_git_pass(git_index_add_bypath(index, fn)); + + cl_assert(entry = git_index_get_bypath(index, fn, 0)); + + /* kids, don't try this at home */ + replace_char((char *)entry->path, '_', '/'); + replace_char((char *)entry->path, '!', ':'); + + /* write-tree */ + cl_git_fail(git_index_write_tree(&expected, index)); + + p_unlink(path.ptr); + + cl_git_pass(git_index_remove_all(index, NULL, NULL, NULL)); + git_str_dispose(&path); + git_index_free(index); + git__free(fn); +} + +void test_index_tests__write_tree_invalid_unowned_index(void) +{ + git_index *idx; + git_repository *repo; + git_index_entry entry = {{0}}; + git_oid tree_id; + + cl_git_pass(git_index_new(&idx)); + + cl_git_pass(git_oid_fromstr(&entry.id, "8312e0a89a9cbab77c732b6bc39b51a783e3a318")); + entry.path = "foo"; + entry.mode = GIT_FILEMODE_BLOB; + cl_git_pass(git_index_add(idx, &entry)); + + cl_git_pass(git_repository_init(&repo, "./invalid-id", 0)); + + cl_git_fail(git_index_write_tree_to(&tree_id, idx, repo)); + + git_index_free(idx); + git_repository_free(repo); + + cl_fixture_cleanup("invalid-id"); +} + +/* Test that writing an invalid filename fails */ +void test_index_tests__write_invalid_filename(void) +{ + git_repository *repo; + + p_mkdir("invalid", 0700); + + cl_git_pass(git_repository_init(&repo, "./invalid", 0)); + + assert_write_fails(repo, ".git/hello"); + assert_write_fails(repo, ".GIT/hello"); + assert_write_fails(repo, ".GiT/hello"); + assert_write_fails(repo, "./.git/hello"); + assert_write_fails(repo, "./foo"); + assert_write_fails(repo, "./bar"); + assert_write_fails(repo, "foo/../bar"); + + git_repository_free(repo); + + cl_fixture_cleanup("invalid"); +} + +void test_index_tests__honors_protect_filesystems(void) +{ + git_repository *repo; + + p_mkdir("invalid", 0700); + + cl_git_pass(git_repository_init(&repo, "./invalid", 0)); + + cl_repo_set_bool(repo, "core.protectHFS", true); + cl_repo_set_bool(repo, "core.protectNTFS", true); + + assert_write_fails(repo, ".git./hello"); + assert_write_fails(repo, ".git\xe2\x80\xad/hello"); + assert_write_fails(repo, "git~1/hello"); + assert_write_fails(repo, ".git\xe2\x81\xaf/hello"); + assert_write_fails(repo, ".git::$INDEX_ALLOCATION/dummy-file"); + + git_repository_free(repo); + + cl_fixture_cleanup("invalid"); +} + +void test_index_tests__protectntfs_on_by_default(void) +{ + git_repository *repo; + + p_mkdir("invalid", 0700); + + cl_git_pass(git_repository_init(&repo, "./invalid", 0)); + assert_write_fails(repo, ".git./hello"); + assert_write_fails(repo, "git~1/hello"); + + git_repository_free(repo); + + cl_fixture_cleanup("invalid"); +} + +void test_index_tests__can_disable_protectntfs(void) +{ + git_repository *repo; + git_index *index; + + cl_must_pass(p_mkdir("valid", 0700)); + cl_git_rewritefile("valid/git~1", "steal the shortname"); + + cl_git_pass(git_repository_init(&repo, "./valid", 0)); + cl_git_pass(git_repository_index(&index, repo)); + cl_repo_set_bool(repo, "core.protectNTFS", false); + + cl_git_pass(git_index_add_bypath(index, "git~1")); + + git_index_free(index); + git_repository_free(repo); + + cl_fixture_cleanup("valid"); +} + +void test_index_tests__remove_entry(void) +{ + git_repository *repo; + git_index *index; + + p_mkdir("index_test", 0770); + + cl_git_pass(git_repository_init(&repo, "index_test", 0)); + cl_git_pass(git_repository_index(&index, repo)); + cl_assert(git_index_entrycount(index) == 0); + + cl_git_mkfile("index_test/hello", NULL); + cl_git_pass(git_index_add_bypath(index, "hello")); + cl_git_pass(git_index_write(index)); + + cl_git_pass(git_index_read(index, true)); /* reload */ + cl_assert(git_index_entrycount(index) == 1); + cl_assert(git_index_get_bypath(index, "hello", 0) != NULL); + + cl_git_pass(git_index_remove(index, "hello", 0)); + cl_git_pass(git_index_write(index)); + + cl_git_pass(git_index_read(index, true)); /* reload */ + cl_assert(git_index_entrycount(index) == 0); + cl_assert(git_index_get_bypath(index, "hello", 0) == NULL); + + git_index_free(index); + git_repository_free(repo); + cl_fixture_cleanup("index_test"); +} + +void test_index_tests__remove_directory(void) +{ + git_repository *repo; + git_index *index; + + p_mkdir("index_test", 0770); + + cl_git_pass(git_repository_init(&repo, "index_test", 0)); + cl_git_pass(git_repository_index(&index, repo)); + cl_assert_equal_i(0, (int)git_index_entrycount(index)); + + p_mkdir("index_test/a", 0770); + cl_git_mkfile("index_test/a/1.txt", NULL); + cl_git_mkfile("index_test/a/2.txt", NULL); + cl_git_mkfile("index_test/a/3.txt", NULL); + cl_git_mkfile("index_test/b.txt", NULL); + + cl_git_pass(git_index_add_bypath(index, "a/1.txt")); + cl_git_pass(git_index_add_bypath(index, "a/2.txt")); + cl_git_pass(git_index_add_bypath(index, "a/3.txt")); + cl_git_pass(git_index_add_bypath(index, "b.txt")); + cl_git_pass(git_index_write(index)); + + cl_git_pass(git_index_read(index, true)); /* reload */ + cl_assert_equal_i(4, (int)git_index_entrycount(index)); + cl_assert(git_index_get_bypath(index, "a/1.txt", 0) != NULL); + cl_assert(git_index_get_bypath(index, "a/2.txt", 0) != NULL); + cl_assert(git_index_get_bypath(index, "b.txt", 0) != NULL); + + cl_git_pass(git_index_remove(index, "a/1.txt", 0)); + cl_git_pass(git_index_write(index)); + + cl_git_pass(git_index_read(index, true)); /* reload */ + cl_assert_equal_i(3, (int)git_index_entrycount(index)); + cl_assert(git_index_get_bypath(index, "a/1.txt", 0) == NULL); + cl_assert(git_index_get_bypath(index, "a/2.txt", 0) != NULL); + cl_assert(git_index_get_bypath(index, "b.txt", 0) != NULL); + + cl_git_pass(git_index_remove_directory(index, "a", 0)); + cl_git_pass(git_index_write(index)); + + cl_git_pass(git_index_read(index, true)); /* reload */ + cl_assert_equal_i(1, (int)git_index_entrycount(index)); + cl_assert(git_index_get_bypath(index, "a/1.txt", 0) == NULL); + cl_assert(git_index_get_bypath(index, "a/2.txt", 0) == NULL); + cl_assert(git_index_get_bypath(index, "b.txt", 0) != NULL); + + git_index_free(index); + git_repository_free(repo); + cl_fixture_cleanup("index_test"); +} + +void test_index_tests__preserves_case(void) +{ + git_repository *repo; + git_index *index; + const git_index_entry *entry; + int index_caps; + + cl_set_cleanup(&cleanup_myrepo, NULL); + + cl_git_pass(git_repository_init(&repo, "./myrepo", 0)); + cl_git_pass(git_repository_index(&index, repo)); + + index_caps = git_index_caps(index); + + cl_git_rewritefile("myrepo/test.txt", "hey there\n"); + cl_git_pass(git_index_add_bypath(index, "test.txt")); + + cl_git_pass(p_rename("myrepo/test.txt", "myrepo/TEST.txt")); + cl_git_rewritefile("myrepo/TEST.txt", "hello again\n"); + cl_git_pass(git_index_add_bypath(index, "TEST.txt")); + + if (index_caps & GIT_INDEX_CAPABILITY_IGNORE_CASE) + cl_assert_equal_i(1, (int)git_index_entrycount(index)); + else + cl_assert_equal_i(2, (int)git_index_entrycount(index)); + + /* Test access by path instead of index */ + cl_assert((entry = git_index_get_bypath(index, "test.txt", 0)) != NULL); + /* The path should *not* have changed without an explicit remove */ + cl_assert(git__strcmp(entry->path, "test.txt") == 0); + + cl_assert((entry = git_index_get_bypath(index, "TEST.txt", 0)) != NULL); + if (index_caps & GIT_INDEX_CAPABILITY_IGNORE_CASE) + /* The path should *not* have changed without an explicit remove */ + cl_assert(git__strcmp(entry->path, "test.txt") == 0); + else + cl_assert(git__strcmp(entry->path, "TEST.txt") == 0); + + git_index_free(index); + git_repository_free(repo); +} + +void test_index_tests__elocked(void) +{ + git_repository *repo; + git_index *index; + git_filebuf file = GIT_FILEBUF_INIT; + const git_error *err; + int error; + + cl_set_cleanup(&cleanup_myrepo, NULL); + + cl_git_pass(git_repository_init(&repo, "./myrepo", 0)); + cl_git_pass(git_repository_index(&index, repo)); + + /* Lock the index file so we fail to lock it */ + cl_git_pass(git_filebuf_open(&file, index->index_file_path, 0, 0666)); + error = git_index_write(index); + cl_assert_equal_i(GIT_ELOCKED, error); + + err = git_error_last(); + cl_assert_equal_i(err->klass, GIT_ERROR_INDEX); + + git_filebuf_cleanup(&file); + git_index_free(index); + git_repository_free(repo); +} + +void test_index_tests__reload_from_disk(void) +{ + git_repository *repo; + git_index *read_index; + git_index *write_index; + + cl_set_cleanup(&cleanup_myrepo, NULL); + + cl_git_pass(git_futils_mkdir("./myrepo", 0777, GIT_MKDIR_PATH)); + cl_git_mkfile("./myrepo/a.txt", "a\n"); + cl_git_mkfile("./myrepo/b.txt", "b\n"); + + cl_git_pass(git_repository_init(&repo, "./myrepo", 0)); + cl_git_pass(git_repository_index(&write_index, repo)); + cl_assert_equal_i(false, write_index->on_disk); + + cl_git_pass(git_index_open(&read_index, write_index->index_file_path)); + cl_assert_equal_i(false, read_index->on_disk); + + /* Stage two new files against the write_index */ + cl_git_pass(git_index_add_bypath(write_index, "a.txt")); + cl_git_pass(git_index_add_bypath(write_index, "b.txt")); + + cl_assert_equal_sz(2, git_index_entrycount(write_index)); + + /* Persist the index changes to disk */ + cl_git_pass(git_index_write(write_index)); + cl_assert_equal_i(true, write_index->on_disk); + + /* Sync the changes back into the read_index */ + cl_assert_equal_sz(0, git_index_entrycount(read_index)); + + cl_git_pass(git_index_read(read_index, true)); + cl_assert_equal_i(true, read_index->on_disk); + + cl_assert_equal_sz(2, git_index_entrycount(read_index)); + + /* Remove the index file from the filesystem */ + cl_git_pass(p_unlink(write_index->index_file_path)); + + /* Sync the changes back into the read_index */ + cl_git_pass(git_index_read(read_index, true)); + cl_assert_equal_i(false, read_index->on_disk); + cl_assert_equal_sz(0, git_index_entrycount(read_index)); + + git_index_free(read_index); + git_index_free(write_index); + git_repository_free(repo); +} + +void test_index_tests__corrupted_extension(void) +{ + git_index *index; + + cl_git_fail_with(git_index_open(&index, TEST_INDEXBAD_PATH), GIT_ERROR); +} + +void test_index_tests__reload_while_ignoring_case(void) +{ + git_index *index; + unsigned int caps; + + cl_git_pass(git_index_open(&index, TEST_INDEX_PATH)); + cl_git_pass(git_vector_verify_sorted(&index->entries)); + + caps = git_index_caps(index); + cl_git_pass(git_index_set_caps(index, caps &= ~GIT_INDEX_CAPABILITY_IGNORE_CASE)); + cl_git_pass(git_index_read(index, true)); + cl_git_pass(git_vector_verify_sorted(&index->entries)); + cl_assert(git_index_get_bypath(index, ".HEADER", 0)); + cl_assert_equal_p(NULL, git_index_get_bypath(index, ".header", 0)); + + cl_git_pass(git_index_set_caps(index, caps | GIT_INDEX_CAPABILITY_IGNORE_CASE)); + cl_git_pass(git_index_read(index, true)); + cl_git_pass(git_vector_verify_sorted(&index->entries)); + cl_assert(git_index_get_bypath(index, ".HEADER", 0)); + cl_assert(git_index_get_bypath(index, ".header", 0)); + + git_index_free(index); +} + +void test_index_tests__change_icase_on_instance(void) +{ + git_index *index; + unsigned int caps; + const git_index_entry *e; + + cl_git_pass(git_index_open(&index, TEST_INDEX_PATH)); + cl_git_pass(git_vector_verify_sorted(&index->entries)); + + caps = git_index_caps(index); + cl_git_pass(git_index_set_caps(index, caps &= ~GIT_INDEX_CAPABILITY_IGNORE_CASE)); + cl_assert_equal_i(false, index->ignore_case); + cl_git_pass(git_vector_verify_sorted(&index->entries)); + cl_assert(e = git_index_get_bypath(index, "src/common.h", 0)); + cl_assert_equal_p(NULL, e = git_index_get_bypath(index, "SRC/Common.h", 0)); + cl_assert(e = git_index_get_bypath(index, "COPYING", 0)); + cl_assert_equal_p(NULL, e = git_index_get_bypath(index, "copying", 0)); + + cl_git_pass(git_index_set_caps(index, caps | GIT_INDEX_CAPABILITY_IGNORE_CASE)); + cl_assert_equal_i(true, index->ignore_case); + cl_git_pass(git_vector_verify_sorted(&index->entries)); + cl_assert(e = git_index_get_bypath(index, "COPYING", 0)); + cl_assert_equal_s("COPYING", e->path); + cl_assert(e = git_index_get_bypath(index, "copying", 0)); + cl_assert_equal_s("COPYING", e->path); + + git_index_free(index); +} + +void test_index_tests__can_lock_index(void) +{ + git_repository *repo; + git_index *index; + git_indexwriter one = GIT_INDEXWRITER_INIT, + two = GIT_INDEXWRITER_INIT; + + repo = cl_git_sandbox_init("testrepo.git"); + + cl_git_pass(git_repository_index(&index, repo)); + cl_git_pass(git_indexwriter_init(&one, index)); + + cl_git_fail_with(GIT_ELOCKED, git_indexwriter_init(&two, index)); + cl_git_fail_with(GIT_ELOCKED, git_index_write(index)); + + cl_git_pass(git_indexwriter_commit(&one)); + + cl_git_pass(git_index_write(index)); + + git_indexwriter_cleanup(&one); + git_indexwriter_cleanup(&two); + git_index_free(index); + cl_git_sandbox_cleanup(); +} + +void test_index_tests__can_iterate(void) +{ + git_index *index; + git_index_iterator *iterator; + const git_index_entry *entry; + size_t i, iterator_idx = 0, found = 0; + int ret; + + cl_git_pass(git_index_open(&index, TEST_INDEX_PATH)); + cl_git_pass(git_index_iterator_new(&iterator, index)); + + cl_assert(git_vector_is_sorted(&iterator->snap)); + + for (i = 0; i < ARRAY_SIZE(test_entries); i++) { + /* Advance iterator to next test entry index */ + do { + ret = git_index_iterator_next(&entry, iterator); + + if (ret == GIT_ITEROVER) + cl_fail("iterator did not contain all test entries"); + + cl_git_pass(ret); + } while (iterator_idx++ < test_entries[i].index); + + cl_assert_equal_s(entry->path, test_entries[i].path); + cl_assert_equal_i(entry->mtime.seconds, test_entries[i].mtime); + cl_assert_equal_i(entry->file_size, test_entries[i].file_size); + found++; + } + + while ((ret = git_index_iterator_next(&entry, iterator)) == 0) + ; + + if (ret != GIT_ITEROVER) + cl_git_fail(ret); + + cl_assert_equal_i(found, ARRAY_SIZE(test_entries)); + + git_index_iterator_free(iterator); + git_index_free(index); +} + +void test_index_tests__can_modify_while_iterating(void) +{ + git_index *index; + git_index_iterator *iterator; + const git_index_entry *entry; + git_index_entry new_entry = {{0}}; + size_t expected = 0, seen = 0; + int ret; + + cl_git_pass(git_index_open(&index, TEST_INDEX_PATH)); + cl_git_pass(git_index_iterator_new(&iterator, index)); + + expected = git_index_entrycount(index); + cl_assert(git_vector_is_sorted(&iterator->snap)); + + /* + * After we've counted the entries, add a new one and change another; + * ensure that our iterator is backed by a snapshot and thus returns + * the number of entries from when the iterator was created. + */ + cl_git_pass(git_oid_fromstr(&new_entry.id, "8312e0a89a9cbab77c732b6bc39b51a783e3a318")); + new_entry.path = "newfile"; + new_entry.mode = GIT_FILEMODE_BLOB; + cl_git_pass(git_index_add(index, &new_entry)); + + cl_git_pass(git_oid_fromstr(&new_entry.id, "4141414141414141414141414141414141414141")); + new_entry.path = "Makefile"; + new_entry.mode = GIT_FILEMODE_BLOB; + cl_git_pass(git_index_add(index, &new_entry)); + + while (true) { + ret = git_index_iterator_next(&entry, iterator); + + if (ret == GIT_ITEROVER) + break; + + seen++; + } + + cl_assert_equal_i(expected, seen); + + git_index_iterator_free(iterator); + git_index_free(index); +} |