#include "clar_libgit2.h" #include "patch.h" #include "patch_parse.h" #include "patch_common.h" static void ensure_patch_validity(git_patch *patch) { const git_diff_delta *delta; char idstr[GIT_OID_HEXSZ+1] = {0}; cl_assert((delta = git_patch_get_delta(patch)) != NULL); cl_assert_equal_i(2, delta->nfiles); cl_assert_equal_s(delta->old_file.path, "file.txt"); cl_assert(delta->old_file.mode == GIT_FILEMODE_BLOB); cl_assert_equal_i(7, delta->old_file.id_abbrev); git_oid_nfmt(idstr, delta->old_file.id_abbrev, &delta->old_file.id); cl_assert_equal_s(idstr, "9432026"); cl_assert_equal_i(0, delta->old_file.size); cl_assert_equal_s(delta->new_file.path, "file.txt"); cl_assert(delta->new_file.mode == GIT_FILEMODE_BLOB); cl_assert_equal_i(7, delta->new_file.id_abbrev); git_oid_nfmt(idstr, delta->new_file.id_abbrev, &delta->new_file.id); cl_assert_equal_s(idstr, "cd8fd12"); cl_assert_equal_i(0, delta->new_file.size); } static void ensure_identical_patch_inout(const char *content) { git_buf buf = GIT_BUF_INIT; git_patch *patch; cl_git_pass(git_patch_from_buffer(&patch, content, strlen(content), NULL)); cl_git_pass(git_patch_to_buf(&buf, patch)); cl_assert_equal_strn(git_buf_cstr(&buf), content, strlen(content)); git_patch_free(patch); git_buf_dispose(&buf); } void test_patch_parse__original_to_change_middle(void) { git_patch *patch; cl_git_pass(git_patch_from_buffer( &patch, PATCH_ORIGINAL_TO_CHANGE_MIDDLE, strlen(PATCH_ORIGINAL_TO_CHANGE_MIDDLE), NULL)); ensure_patch_validity(patch); git_patch_free(patch); } void test_patch_parse__leading_and_trailing_garbage(void) { git_patch *patch; const char *leading = "This is some leading garbage.\n" "Maybe it's email headers?\n" "\n" PATCH_ORIGINAL_TO_CHANGE_MIDDLE; const char *trailing = PATCH_ORIGINAL_TO_CHANGE_MIDDLE "\n" "This is some trailing garbage.\n" "Maybe it's an email signature?\n"; const char *both = "Here's some leading garbage\n" PATCH_ORIGINAL_TO_CHANGE_MIDDLE "And here's some trailing.\n"; cl_git_pass(git_patch_from_buffer(&patch, leading, strlen(leading), NULL)); ensure_patch_validity(patch); git_patch_free(patch); cl_git_pass(git_patch_from_buffer(&patch, trailing, strlen(trailing), NULL)); ensure_patch_validity(patch); git_patch_free(patch); cl_git_pass(git_patch_from_buffer(&patch, both, strlen(both), NULL)); ensure_patch_validity(patch); git_patch_free(patch); } void test_patch_parse__nonpatches_fail_with_notfound(void) { git_patch *patch; cl_git_fail_with(GIT_ENOTFOUND, git_patch_from_buffer(&patch, PATCH_NOT_A_PATCH, strlen(PATCH_NOT_A_PATCH), NULL)); } void test_patch_parse__invalid_patches_fails(void) { git_patch *patch; cl_git_fail_with(GIT_ERROR, git_patch_from_buffer(&patch, PATCH_CORRUPT_GIT_HEADER, strlen(PATCH_CORRUPT_GIT_HEADER), NULL)); cl_git_fail_with(GIT_ERROR, git_patch_from_buffer(&patch, PATCH_CORRUPT_MISSING_NEW_FILE, strlen(PATCH_CORRUPT_MISSING_NEW_FILE), NULL)); cl_git_fail_with(GIT_ERROR, git_patch_from_buffer(&patch, PATCH_CORRUPT_MISSING_OLD_FILE, strlen(PATCH_CORRUPT_MISSING_OLD_FILE), NULL)); cl_git_fail_with(GIT_ERROR, git_patch_from_buffer(&patch, PATCH_CORRUPT_NO_CHANGES, strlen(PATCH_CORRUPT_NO_CHANGES), NULL)); cl_git_fail_with(GIT_ERROR, git_patch_from_buffer(&patch, PATCH_CORRUPT_MISSING_HUNK_HEADER, strlen(PATCH_CORRUPT_MISSING_HUNK_HEADER), NULL)); } void test_patch_parse__no_newline_at_end_of_new_file(void) { ensure_identical_patch_inout(PATCH_APPEND_NO_NL); } void test_patch_parse__no_newline_at_end_of_old_file(void) { ensure_identical_patch_inout(PATCH_APPEND_NO_NL_IN_OLD_FILE); } void test_patch_parse__files_with_whitespaces_succeeds(void) { ensure_identical_patch_inout(PATCH_NAME_WHITESPACE); } void test_patch_parse__lifetime_of_patch_does_not_depend_on_buffer(void) { git_buf diff = GIT_BUF_INIT, rendered = GIT_BUF_INIT; git_patch *patch; cl_git_pass(git_buf_sets(&diff, PATCH_ORIGINAL_TO_CHANGE_MIDDLE)); cl_git_pass(git_patch_from_buffer(&patch, diff.ptr, diff.size, NULL)); git_buf_dispose(&diff); cl_git_pass(git_patch_to_buf(&rendered, patch)); cl_assert_equal_s(PATCH_ORIGINAL_TO_CHANGE_MIDDLE, rendered.ptr); git_buf_dispose(&rendered); cl_git_pass(git_patch_to_buf(&rendered, patch)); cl_assert_equal_s(PATCH_ORIGINAL_TO_CHANGE_MIDDLE, rendered.ptr); git_buf_dispose(&rendered); git_patch_free(patch); } void test_patch_parse__binary_file_with_missing_paths(void) { git_patch *patch; cl_git_fail(git_patch_from_buffer(&patch, PATCH_BINARY_FILE_WITH_MISSING_PATHS, strlen(PATCH_BINARY_FILE_WITH_MISSING_PATHS), NULL)); } void test_patch_parse__binary_file_with_whitespace_paths(void) { git_patch *patch; cl_git_fail(git_patch_from_buffer(&patch, PATCH_BINARY_FILE_WITH_WHITESPACE_PATHS, strlen(PATCH_BINARY_FILE_WITH_WHITESPACE_PATHS), NULL)); } void test_patch_parse__binary_file_with_empty_quoted_paths(void) { git_patch *patch; cl_git_fail(git_patch_from_buffer(&patch, PATCH_BINARY_FILE_WITH_QUOTED_EMPTY_PATHS, strlen(PATCH_BINARY_FILE_WITH_QUOTED_EMPTY_PATHS), NULL)); } void test_patch_parse__binary_file_path_with_spaces(void) { git_patch *patch; cl_git_fail(git_patch_from_buffer(&patch, PATCH_BINARY_FILE_PATH_WITH_SPACES, strlen(PATCH_BINARY_FILE_PATH_WITH_SPACES), NULL)); } void test_patch_parse__binary_file_path_without_body_paths(void) { git_patch *patch; cl_git_fail(git_patch_from_buffer(&patch, PATCH_BINARY_FILE_PATH_WITHOUT_BODY_PATHS, strlen(PATCH_BINARY_FILE_PATH_WITHOUT_BODY_PATHS), NULL)); } void test_patch_parse__binary_file_with_truncated_delta(void) { git_patch *patch; cl_git_fail(git_patch_from_buffer(&patch, PATCH_BINARY_FILE_WITH_TRUNCATED_DELTA, strlen(PATCH_BINARY_FILE_WITH_TRUNCATED_DELTA), NULL)); cl_assert_equal_s(git_error_last()->message, "truncated binary data at line 5"); } void test_patch_parse__memory_leak_on_multiple_paths(void) { git_patch *patch; cl_git_fail(git_patch_from_buffer(&patch, PATCH_MULTIPLE_OLD_PATHS, strlen(PATCH_MULTIPLE_OLD_PATHS), NULL)); } void test_patch_parse__truncated_no_newline_at_end_of_file(void) { size_t len = strlen(PATCH_APPEND_NO_NL) - strlen("at end of file\n"); const git_diff_line *line; git_patch *patch; cl_git_pass(git_patch_from_buffer(&patch, PATCH_APPEND_NO_NL, len, NULL)); cl_git_pass(git_patch_get_line_in_hunk(&line, patch, 0, 4)); cl_assert_equal_s(line->content, "\\ No newline "); git_patch_free(patch); } void test_patch_parse__line_number_overflow(void) { git_patch *patch; cl_git_fail(git_patch_from_buffer(&patch, PATCH_INTMAX_NEW_LINES, strlen(PATCH_INTMAX_NEW_LINES), NULL)); git_patch_free(patch); }