diff options
-rw-r--r-- | tests/diff/binary.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/tests/diff/binary.c b/tests/diff/binary.c index 136c42c3d..7fac1c518 100644 --- a/tests/diff/binary.c +++ b/tests/diff/binary.c @@ -360,3 +360,133 @@ void test_diff_binary__print_patch_from_diff(void) git_diff_free(diff); git_index_free(index); } + +struct diff_data { + char *old_path; + git_oid old_id; + git_buf old_binary_base85; + size_t old_binary_inflatedlen; + git_diff_binary_t old_binary_type; + + char *new_path; + git_oid new_id; + git_buf new_binary_base85; + size_t new_binary_inflatedlen; + git_diff_binary_t new_binary_type; +}; + +static int file_cb( + const git_diff_delta *delta, + float progress, + void *payload) +{ + struct diff_data *diff_data = payload; + + if (delta->old_file.path) + diff_data->old_path = git__strdup(delta->old_file.path); + + if (delta->new_file.path) + diff_data->new_path = git__strdup(delta->new_file.path); + + git_oid_cpy(&diff_data->old_id, &delta->old_file.id); + git_oid_cpy(&diff_data->new_id, &delta->new_file.id); + + return 0; +} + +static int binary_cb( + const git_diff_delta *delta, + const git_diff_binary *binary, + void *payload) +{ + struct diff_data *diff_data = payload; + + git_buf_encode_base85(&diff_data->old_binary_base85, + binary->old_file.data, binary->old_file.datalen); + diff_data->old_binary_inflatedlen = binary->old_file.inflatedlen; + diff_data->old_binary_type = binary->old_file.type; + + git_buf_encode_base85(&diff_data->new_binary_base85, + binary->new_file.data, binary->new_file.datalen); + diff_data->new_binary_inflatedlen = binary->new_file.inflatedlen; + diff_data->new_binary_type = binary->new_file.type; + + return 0; +} + +static int hunk_cb( + const git_diff_delta *delta, + const git_diff_hunk *hunk, + void *payload) +{ + cl_fail("did not expect hunk callback"); + return 0; +} + +static int line_cb( + const git_diff_delta *delta, + const git_diff_hunk *hunk, + const git_diff_line *line, + void *payload) +{ + cl_fail("did not expect line callback"); + return 0; +} + +void test_diff_binary__blob_to_blob(void) +{ + git_index *index; + git_diff_options opts = GIT_DIFF_OPTIONS_INIT; + git_blob *old_blob, *new_blob; + git_oid old_id, new_id; + struct diff_data diff_data = {0}; + const char *expected = + "diff --git a/untimely.txt b/untimely.txt\n" \ + "index 9a69d960ae94b060f56c2a8702545e2bb1abb935..1111d4f11f4b35bf6759e0fb714fe09731ef0840 100644\n" \ + "GIT binary patch\n" \ + "delta 32\n" \ + "nc%1vf+QYWt3zLL@hC)e3Vu?a>QDRl4f_G*?PG(-ZA}<#J$+QbW\n" \ + "\n" \ + "delta 7\n" \ + "Oc%18D`@*{63ljhg(E~C7\n"; + + opts.flags = GIT_DIFF_SHOW_BINARY | GIT_DIFF_FORCE_BINARY; + opts.id_abbrev = GIT_OID_HEXSZ; + + repo = cl_git_sandbox_init("renames"); + cl_git_pass(git_repository_index(&index, repo)); + + cl_git_append2file("renames/untimely.txt", "Oh that crazy Kipling!\r\n"); + cl_git_pass(git_index_add_bypath(index, "untimely.txt")); + cl_git_pass(git_index_write(index)); + + git_oid_fromstr(&old_id, "9a69d960ae94b060f56c2a8702545e2bb1abb935"); + git_oid_fromstr(&new_id, "1111d4f11f4b35bf6759e0fb714fe09731ef0840"); + + cl_git_pass(git_blob_lookup(&old_blob, repo, &old_id)); + cl_git_pass(git_blob_lookup(&new_blob, repo, &new_id)); + + cl_git_pass(git_diff_blobs(old_blob, + "untimely.txt", new_blob, "untimely.txt", &opts, + file_cb, binary_cb, hunk_cb, line_cb, &diff_data)); + + cl_assert_equal_s("untimely.txt", diff_data.old_path); + cl_assert_equal_oid(&old_id, &diff_data.old_id); + cl_assert_equal_i(GIT_DIFF_BINARY_DELTA, diff_data.old_binary_type); + cl_assert_equal_i(7, diff_data.old_binary_inflatedlen); + cl_assert_equal_s("c%18D`@*{63ljhg(E~C7", + diff_data.old_binary_base85.ptr); + + cl_assert_equal_s("untimely.txt", diff_data.new_path); + cl_assert_equal_oid(&new_id, &diff_data.new_id); + cl_assert_equal_i(GIT_DIFF_BINARY_DELTA, diff_data.new_binary_type); + cl_assert_equal_i(32, diff_data.new_binary_inflatedlen); + cl_assert_equal_s("c%1vf+QYWt3zLL@hC)e3Vu?a>QDRl4f_G*?PG(-ZA}<#J$+QbW", + diff_data.new_binary_base85.ptr); + + git_blob_free(old_blob); + git_blob_free(new_blob); + + git__free(diff_data.old_path); + git__free(diff_data.new_path); +} |