void test_diff_diffiter__iterate_and_generate_patch_text(void)
{
git_repository *repo = cl_git_sandbox_init("status");
git_diff_list *diff;
size_t d, num_d;
cl_git_pass(git_diff_workdir_to_index(repo, NULL, &diff));
num_d = git_diff_num_deltas(diff);
cl_assert_equal_i(8, (int)num_d);
for (d = 0; d < num_d; ++d) {
git_diff_patch *patch;
char *text;
cl_git_pass(git_diff_get_patch(&patch, NULL, diff, d));
cl_assert(patch != NULL);
cl_git_pass(git_diff_patch_to_str(&text, patch));
cl_assert_equal_s(expected_patch_text[d], text);
git__free(text);
git_diff_patch_free(patch);
}
git_diff_list_free(diff);
}
void test_diff_workdir__filemode_changes_with_filemode_false(void)
{
git_config *cfg;
git_diff_list *diff = NULL;
diff_expects exp;
if (!cl_is_chmod_supported())
return;
g_repo = cl_git_sandbox_init("issue_592");
cl_git_pass(git_repository_config(&cfg, g_repo));
cl_git_pass(git_config_set_bool(cfg, "core.filemode", false));
/* test once with no mods */
cl_git_pass(git_diff_workdir_to_index(g_repo, NULL, &diff));
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_foreach(
diff, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
cl_assert_equal_i(0, exp.files);
cl_assert_equal_i(0, exp.file_mods);
cl_assert_equal_i(0, exp.hunks);
git_diff_list_free(diff);
/* chmod file and test again */
cl_assert(cl_toggle_filemode("issue_592/a.txt"));
cl_git_pass(git_diff_workdir_to_index(g_repo, NULL, &diff));
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_foreach(
diff, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
cl_assert_equal_i(0, exp.files);
cl_assert_equal_i(0, exp.file_mods);
cl_assert_equal_i(0, exp.hunks);
git_diff_list_free(diff);
cl_assert(cl_toggle_filemode("issue_592/a.txt"));
git_config_free(cfg);
}
void test_diff_diffiter__iterate_all(void)
{
git_repository *repo = cl_git_sandbox_init("status");
git_diff_options opts = {0};
git_diff_list *diff = NULL;
diff_expects exp = {0};
size_t d, num_d;
opts.context_lines = 3;
opts.interhunk_lines = 1;
opts.flags |= GIT_DIFF_INCLUDE_IGNORED | GIT_DIFF_INCLUDE_UNTRACKED;
cl_git_pass(git_diff_workdir_to_index(repo, &opts, &diff));
num_d = git_diff_num_deltas(diff);
for (d = 0; d < num_d; ++d) {
git_diff_patch *patch;
const git_diff_delta *delta;
size_t h, num_h;
cl_git_pass(git_diff_get_patch(&patch, &delta, diff, d));
cl_assert(patch && delta);
exp.files++;
num_h = git_diff_patch_num_hunks(patch);
for (h = 0; h < num_h; h++) {
const git_diff_range *range;
const char *header;
size_t header_len, l, num_l;
cl_git_pass(git_diff_patch_get_hunk(
&range, &header, &header_len, &num_l, patch, h));
cl_assert(range && header);
exp.hunks++;
for (l = 0; l < num_l; ++l) {
char origin;
const char *content;
size_t content_len;
cl_git_pass(git_diff_patch_get_line_in_hunk(
&origin, &content, &content_len, NULL, NULL, patch, h, l));
cl_assert(content);
exp.lines++;
}
}
git_diff_patch_free(patch);
}
cl_assert_equal_i(13, exp.files);
cl_assert_equal_i(8, exp.hunks);
cl_assert_equal_i(14, exp.lines);
git_diff_list_free(diff);
}
void test_diff_diffiter__iterate_files_and_hunks(void)
{
git_repository *repo = cl_git_sandbox_init("status");
git_diff_options opts = {0};
git_diff_list *diff = NULL;
size_t d, num_d;
int file_count = 0, hunk_count = 0;
opts.context_lines = 3;
opts.interhunk_lines = 1;
opts.flags |= GIT_DIFF_INCLUDE_IGNORED | GIT_DIFF_INCLUDE_UNTRACKED;
cl_git_pass(git_diff_workdir_to_index(repo, &opts, &diff));
num_d = git_diff_num_deltas(diff);
for (d = 0; d < num_d; ++d) {
git_diff_patch *patch;
const git_diff_delta *delta;
size_t h, num_h;
cl_git_pass(git_diff_get_patch(&patch, &delta, diff, d));
cl_assert(delta);
cl_assert(patch);
file_count++;
num_h = git_diff_patch_num_hunks(patch);
for (h = 0; h < num_h; h++) {
const git_diff_range *range;
const char *header;
size_t header_len, num_l;
cl_git_pass(git_diff_patch_get_hunk(
&range, &header, &header_len, &num_l, patch, h));
cl_assert(range);
cl_assert(header);
hunk_count++;
}
git_diff_patch_free(patch);
}
cl_assert_equal_i(13, file_count);
cl_assert_equal_i(8, hunk_count);
git_diff_list_free(diff);
}
void test_diff_workdir__to_index(void)
{
git_diff_options opts = {0};
git_diff_list *diff = NULL;
diff_expects exp;
int use_iterator;
g_repo = cl_git_sandbox_init("status");
opts.context_lines = 3;
opts.interhunk_lines = 1;
opts.flags |= GIT_DIFF_INCLUDE_IGNORED | GIT_DIFF_INCLUDE_UNTRACKED;
cl_git_pass(git_diff_workdir_to_index(g_repo, &opts, &diff));
for (use_iterator = 0; use_iterator <= 1; use_iterator++) {
memset(&exp, 0, sizeof(exp));
if (use_iterator)
cl_git_pass(diff_foreach_via_iterator(
diff, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
else
cl_git_pass(git_diff_foreach(
diff, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
/* to generate these values:
* - cd to tests/resources/status,
* - mv .gitted .git
* - git diff --name-status
* - git diff
* - mv .git .gitted
*/
cl_assert_equal_i(13, exp.files);
cl_assert_equal_i(0, exp.file_adds);
cl_assert_equal_i(4, exp.file_dels);
cl_assert_equal_i(4, exp.file_mods);
cl_assert_equal_i(1, exp.file_ignored);
cl_assert_equal_i(4, exp.file_untracked);
cl_assert_equal_i(8, exp.hunks);
cl_assert_equal_i(14, exp.lines);
cl_assert_equal_i(5, exp.line_ctxt);
cl_assert_equal_i(4, exp.line_adds);
cl_assert_equal_i(5, exp.line_dels);
}
git_diff_list_free(diff);
}
void test_diff_workdir__cannot_diff_against_a_bare_repository(void)
{
git_diff_options opts = {0};
git_diff_list *diff = NULL;
git_tree *tree;
g_repo = cl_git_sandbox_init("testrepo.git");
cl_assert_equal_i(GIT_EBAREREPO, git_diff_workdir_to_index(g_repo, &opts, &diff));
cl_git_pass(git_repository_head_tree(&tree, g_repo));
cl_assert_equal_i(GIT_EBAREREPO, git_diff_workdir_to_tree(g_repo, &opts, tree, &diff));
git_tree_free(tree);
}
void test_diff_diffiter__create(void)
{
git_repository *repo = cl_git_sandbox_init("attr");
git_diff_list *diff;
size_t d, num_d;
cl_git_pass(git_diff_workdir_to_index(repo, NULL, &diff));
num_d = git_diff_num_deltas(diff);
for (d = 0; d < num_d; ++d) {
const git_diff_delta *delta;
cl_git_pass(git_diff_get_patch(NULL, &delta, diff, d));
}
git_diff_list_free(diff);
}
PyObject *
Index_diff_tree(Index *self, PyObject *args)
{
git_diff_options opts = {0};
git_diff_list *diff;
int err;
Diff *py_diff;
PyObject *py_obj = NULL;
if (!PyArg_ParseTuple(args, "|O", &py_obj))
return NULL;
if (py_obj == NULL) {
err = git_diff_workdir_to_index(
self->repo->repo,
&opts,
&diff);
} else if (PyObject_TypeCheck(py_obj, &TreeType)) {
err = git_diff_index_to_tree(
self->repo->repo,
&opts,
((Tree *)py_obj)->tree,
&diff);
} else {
PyErr_SetObject(PyExc_TypeError, py_obj);
return NULL;
}
if (err < 0)
return Error_set(err);
py_diff = PyObject_New(Diff, &DiffType);
if (py_diff) {
Py_INCREF(py_diff);
Py_INCREF(self->repo);
py_diff->repo = self->repo;
py_diff->diff = diff;
}
return (PyObject*)py_diff;
}
void test_diff_diffiter__iterate_files_2(void)
{
git_repository *repo = cl_git_sandbox_init("status");
git_diff_list *diff;
size_t d, num_d;
int count = 0;
cl_git_pass(git_diff_workdir_to_index(repo, NULL, &diff));
num_d = git_diff_num_deltas(diff);
cl_assert_equal_i(8, (int)num_d);
for (d = 0; d < num_d; ++d) {
const git_diff_delta *delta;
cl_git_pass(git_diff_get_patch(NULL, &delta, diff, d));
cl_assert(delta != NULL);
count++;
}
cl_assert_equal_i(8, count);
git_diff_list_free(diff);
}
void test_diff_workdir__to_tree(void)
{
/* grabbed a couple of commit oids from the history of the attr repo */
const char *a_commit = "26a125ee1bf"; /* the current HEAD */
const char *b_commit = "0017bd4ab1ec3"; /* the start */
git_tree *a = resolve_commit_oid_to_tree(g_repo, a_commit);
git_tree *b = resolve_commit_oid_to_tree(g_repo, b_commit);
git_diff_options opts = {0};
git_diff_list *diff = NULL;
git_diff_list *diff2 = NULL;
diff_expects exp;
opts.context_lines = 3;
opts.interhunk_lines = 1;
opts.flags |= GIT_DIFF_INCLUDE_IGNORED | GIT_DIFF_INCLUDE_UNTRACKED;
memset(&exp, 0, sizeof(exp));
/* You can't really generate the equivalent of git_diff_workdir_to_tree()
* using C git. It really wants to interpose the index into the diff.
*
* To validate the following results with command line git, I ran the
* following:
* - git ls-tree 26a125
* - find . ! -path ./.git/\* -a -type f | git hash-object --stdin-paths
* The results are documented at the bottom of this file in the
* long comment entitled "PREPARATION OF TEST DATA".
*/
cl_git_pass(git_diff_workdir_to_tree(g_repo, &opts, a, &diff));
cl_git_pass(git_diff_foreach(
diff, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
cl_assert(exp.files == 13);
cl_assert(exp.file_adds == 0);
cl_assert(exp.file_dels == 4);
cl_assert(exp.file_mods == 4);
cl_assert(exp.file_ignored == 1);
cl_assert(exp.file_untracked == 4);
/* Since there is no git diff equivalent, let's just assume that the
* text diffs produced by git_diff_foreach are accurate here. We will
* do more apples-to-apples test comparison below.
*/
git_diff_list_free(diff);
diff = NULL;
memset(&exp, 0, sizeof(exp));
/* This is a compatible emulation of "git diff <sha>" which looks like
* a workdir to tree diff (even though it is not really). This is what
* you would get from "git diff --name-status 26a125ee1bf"
*/
cl_git_pass(git_diff_index_to_tree(g_repo, &opts, a, &diff));
cl_git_pass(git_diff_workdir_to_index(g_repo, &opts, &diff2));
cl_git_pass(git_diff_merge(diff, diff2));
git_diff_list_free(diff2);
cl_git_pass(git_diff_foreach(
diff, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
cl_assert(exp.files == 14);
cl_assert(exp.file_adds == 2);
cl_assert(exp.file_dels == 5);
cl_assert(exp.file_mods == 4);
cl_assert(exp.file_ignored == 1);
cl_assert(exp.file_untracked == 2);
cl_assert(exp.hunks == 11);
cl_assert(exp.lines == 17);
cl_assert(exp.line_ctxt == 4);
cl_assert(exp.line_adds == 8);
cl_assert(exp.line_dels == 5);
git_diff_list_free(diff);
diff = NULL;
memset(&exp, 0, sizeof(exp));
/* Again, emulating "git diff <sha>" for testing purposes using
* "git diff --name-status 0017bd4ab1ec3" instead.
*/
cl_git_pass(git_diff_index_to_tree(g_repo, &opts, b, &diff));
cl_git_pass(git_diff_workdir_to_index(g_repo, &opts, &diff2));
cl_git_pass(git_diff_merge(diff, diff2));
git_diff_list_free(diff2);
cl_git_pass(git_diff_foreach(
diff, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
cl_assert(exp.files == 15);
cl_assert(exp.file_adds == 5);
cl_assert(exp.file_dels == 4);
cl_assert(exp.file_mods == 3);
cl_assert(exp.file_ignored == 1);
cl_assert(exp.file_untracked == 2);
cl_assert(exp.hunks == 12);
cl_assert(exp.lines == 19);
cl_assert(exp.line_ctxt == 3);
cl_assert(exp.line_adds == 12);
cl_assert(exp.line_dels == 4);
git_diff_list_free(diff);
git_tree_free(a);
git_tree_free(b);
}
void test_diff_workdir__to_index_with_pathspec(void)
{
git_diff_options opts = {0};
git_diff_list *diff = NULL;
diff_expects exp;
char *pathspec = NULL;
opts.context_lines = 3;
opts.interhunk_lines = 1;
opts.flags |= GIT_DIFF_INCLUDE_IGNORED | GIT_DIFF_INCLUDE_UNTRACKED;
opts.pathspec.strings = &pathspec;
opts.pathspec.count = 1;
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_workdir_to_index(g_repo, &opts, &diff));
cl_git_pass(git_diff_foreach(diff, &exp, diff_file_fn, NULL, NULL));
cl_assert_equal_i(12, exp.files);
cl_assert_equal_i(0, exp.file_adds);
cl_assert_equal_i(4, exp.file_dels);
cl_assert_equal_i(4, exp.file_mods);
cl_assert_equal_i(1, exp.file_ignored);
cl_assert_equal_i(3, exp.file_untracked);
git_diff_list_free(diff);
memset(&exp, 0, sizeof(exp));
pathspec = "modified_file";
cl_git_pass(git_diff_workdir_to_index(g_repo, &opts, &diff));
cl_git_pass(git_diff_foreach(diff, &exp, diff_file_fn, NULL, NULL));
cl_assert_equal_i(1, exp.files);
cl_assert_equal_i(0, exp.file_adds);
cl_assert_equal_i(0, exp.file_dels);
cl_assert_equal_i(1, exp.file_mods);
cl_assert_equal_i(0, exp.file_ignored);
cl_assert_equal_i(0, exp.file_untracked);
git_diff_list_free(diff);
memset(&exp, 0, sizeof(exp));
pathspec = "subdir";
cl_git_pass(git_diff_workdir_to_index(g_repo, &opts, &diff));
cl_git_pass(git_diff_foreach(diff, &exp, diff_file_fn, NULL, NULL));
cl_assert_equal_i(3, exp.files);
cl_assert_equal_i(0, exp.file_adds);
cl_assert_equal_i(1, exp.file_dels);
cl_assert_equal_i(1, exp.file_mods);
cl_assert_equal_i(0, exp.file_ignored);
cl_assert_equal_i(1, exp.file_untracked);
git_diff_list_free(diff);
memset(&exp, 0, sizeof(exp));
pathspec = "*_deleted";
cl_git_pass(git_diff_workdir_to_index(g_repo, &opts, &diff));
cl_git_pass(git_diff_foreach(diff, &exp, diff_file_fn, NULL, NULL));
cl_assert_equal_i(2, exp.files);
cl_assert_equal_i(0, exp.file_adds);
cl_assert_equal_i(2, exp.file_dels);
cl_assert_equal_i(0, exp.file_mods);
cl_assert_equal_i(0, exp.file_ignored);
cl_assert_equal_i(0, exp.file_untracked);
git_diff_list_free(diff);
}
int git_checkout_index(
git_repository *repo,
git_checkout_opts *opts,
git_indexer_stats *stats)
{
git_diff_list *diff = NULL;
git_indexer_stats dummy_stats;
git_diff_options diff_opts = {0};
git_checkout_opts checkout_opts;
struct checkout_diff_data data;
git_buf workdir = GIT_BUF_INIT;
int error;
assert(repo);
if ((error = git_repository__ensure_not_bare(repo, "checkout")) < 0)
return error;
diff_opts.flags =
GIT_DIFF_INCLUDE_UNTRACKED |
GIT_DIFF_INCLUDE_TYPECHANGE |
GIT_DIFF_SKIP_BINARY_CHECK;
if (opts && opts->paths.count > 0)
diff_opts.pathspec = opts->paths;
if ((error = git_diff_workdir_to_index(repo, &diff_opts, &diff)) < 0)
goto cleanup;
if ((error = git_buf_puts(&workdir, git_repository_workdir(repo))) < 0)
goto cleanup;
normalize_options(&checkout_opts, opts);
if (!stats)
stats = &dummy_stats;
stats->processed = 0;
/* total based on 3 passes, but it might be 2 if no submodules */
stats->total = (unsigned int)git_diff_num_deltas(diff) * 3;
memset(&data, 0, sizeof(data));
data.path = &workdir;
data.workdir_len = git_buf_len(&workdir);
data.checkout_opts = &checkout_opts;
data.stats = stats;
data.owner = repo;
if ((error = retrieve_symlink_capabilities(repo, &data.can_symlink)) < 0)
goto cleanup;
/* Checkout is best performed with three passes through the diff.
*
* 1. First do removes, because we iterate in alphabetical order, thus
* a new untracked directory will end up sorted *after* a blob that
* should be checked out with the same name.
* 2. Then checkout all blobs.
* 3. Then checkout all submodules in case a new .gitmodules blob was
* checked out during pass #2.
*/
if (!(error = git_diff_foreach(
diff, &data, checkout_remove_the_old, NULL, NULL)) &&
!(error = git_diff_foreach(
diff, &data, checkout_create_the_new, NULL, NULL)) &&
data.found_submodules)
{
data.create_submodules = true;
error = git_diff_foreach(
diff, &data, checkout_create_the_new, NULL, NULL);
}
stats->processed = stats->total;
cleanup:
if (error == GIT_EUSER)
error = (data.error != 0) ? data.error : -1;
git_diff_list_free(diff);
git_buf_free(&workdir);
return error;
}
void test_diff_workdir__head_index_and_workdir_all_differ(void)
{
git_diff_options opts = {0};
git_diff_list *diff_i2t = NULL, *diff_w2i = NULL;
diff_expects exp;
char *pathspec = "staged_changes_modified_file";
git_tree *tree;
int use_iterator;
/* For this file,
* - head->index diff has 1 line of context, 1 line of diff
* - index->workdir diff has 2 lines of context, 1 line of diff
* but
* - head->workdir diff has 1 line of context, 2 lines of diff
* Let's make sure the right one is returned from each fn.
*/
g_repo = cl_git_sandbox_init("status");
tree = resolve_commit_oid_to_tree(g_repo, "26a125ee1bfc5df1e1b2e9441bbe63c8a7ae989f");
opts.pathspec.strings = &pathspec;
opts.pathspec.count = 1;
cl_git_pass(git_diff_index_to_tree(g_repo, &opts, tree, &diff_i2t));
cl_git_pass(git_diff_workdir_to_index(g_repo, &opts, &diff_w2i));
for (use_iterator = 0; use_iterator <= 1; use_iterator++) {
memset(&exp, 0, sizeof(exp));
if (use_iterator)
cl_git_pass(diff_foreach_via_iterator(
diff_i2t, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
else
cl_git_pass(git_diff_foreach(
diff_i2t, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
cl_assert_equal_i(1, exp.files);
cl_assert_equal_i(0, exp.file_adds);
cl_assert_equal_i(0, exp.file_dels);
cl_assert_equal_i(1, exp.file_mods);
cl_assert_equal_i(1, exp.hunks);
cl_assert_equal_i(2, exp.lines);
cl_assert_equal_i(1, exp.line_ctxt);
cl_assert_equal_i(1, exp.line_adds);
cl_assert_equal_i(0, exp.line_dels);
}
for (use_iterator = 0; use_iterator <= 1; use_iterator++) {
memset(&exp, 0, sizeof(exp));
if (use_iterator)
cl_git_pass(diff_foreach_via_iterator(
diff_w2i, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
else
cl_git_pass(git_diff_foreach(
diff_w2i, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
cl_assert_equal_i(1, exp.files);
cl_assert_equal_i(0, exp.file_adds);
cl_assert_equal_i(0, exp.file_dels);
cl_assert_equal_i(1, exp.file_mods);
cl_assert_equal_i(1, exp.hunks);
cl_assert_equal_i(3, exp.lines);
cl_assert_equal_i(2, exp.line_ctxt);
cl_assert_equal_i(1, exp.line_adds);
cl_assert_equal_i(0, exp.line_dels);
}
cl_git_pass(git_diff_merge(diff_i2t, diff_w2i));
for (use_iterator = 0; use_iterator <= 1; use_iterator++) {
memset(&exp, 0, sizeof(exp));
if (use_iterator)
cl_git_pass(diff_foreach_via_iterator(
diff_i2t, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
else
cl_git_pass(git_diff_foreach(
diff_i2t, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
cl_assert_equal_i(1, exp.files);
cl_assert_equal_i(0, exp.file_adds);
cl_assert_equal_i(0, exp.file_dels);
cl_assert_equal_i(1, exp.file_mods);
cl_assert_equal_i(1, exp.hunks);
cl_assert_equal_i(3, exp.lines);
cl_assert_equal_i(1, exp.line_ctxt);
cl_assert_equal_i(2, exp.line_adds);
cl_assert_equal_i(0, exp.line_dels);
}
git_diff_list_free(diff_i2t);
git_diff_list_free(diff_w2i);
git_tree_free(tree);
}
void test_diff_workdir__eof_newline_changes(void)
{
git_diff_options opts = {0};
git_diff_list *diff = NULL;
diff_expects exp;
char *pathspec = "current_file";
int use_iterator;
g_repo = cl_git_sandbox_init("status");
opts.pathspec.strings = &pathspec;
opts.pathspec.count = 1;
cl_git_pass(git_diff_workdir_to_index(g_repo, &opts, &diff));
for (use_iterator = 0; use_iterator <= 1; use_iterator++) {
memset(&exp, 0, sizeof(exp));
if (use_iterator)
cl_git_pass(diff_foreach_via_iterator(
diff, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
else
cl_git_pass(git_diff_foreach(
diff, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
cl_assert_equal_i(0, exp.files);
cl_assert_equal_i(0, exp.file_adds);
cl_assert_equal_i(0, exp.file_dels);
cl_assert_equal_i(0, exp.file_mods);
cl_assert_equal_i(0, exp.hunks);
cl_assert_equal_i(0, exp.lines);
cl_assert_equal_i(0, exp.line_ctxt);
cl_assert_equal_i(0, exp.line_adds);
cl_assert_equal_i(0, exp.line_dels);
}
git_diff_list_free(diff);
cl_git_append2file("status/current_file", "\n");
cl_git_pass(git_diff_workdir_to_index(g_repo, &opts, &diff));
for (use_iterator = 0; use_iterator <= 1; use_iterator++) {
memset(&exp, 0, sizeof(exp));
if (use_iterator)
cl_git_pass(diff_foreach_via_iterator(
diff, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
else
cl_git_pass(git_diff_foreach(
diff, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
cl_assert_equal_i(1, exp.files);
cl_assert_equal_i(0, exp.file_adds);
cl_assert_equal_i(0, exp.file_dels);
cl_assert_equal_i(1, exp.file_mods);
cl_assert_equal_i(1, exp.hunks);
cl_assert_equal_i(2, exp.lines);
cl_assert_equal_i(1, exp.line_ctxt);
cl_assert_equal_i(1, exp.line_adds);
cl_assert_equal_i(0, exp.line_dels);
}
git_diff_list_free(diff);
cl_git_rewritefile("status/current_file", "current_file");
cl_git_pass(git_diff_workdir_to_index(g_repo, &opts, &diff));
for (use_iterator = 0; use_iterator <= 1; use_iterator++) {
memset(&exp, 0, sizeof(exp));
if (use_iterator)
cl_git_pass(diff_foreach_via_iterator(
diff, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
else
cl_git_pass(git_diff_foreach(
diff, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
cl_assert_equal_i(1, exp.files);
cl_assert_equal_i(0, exp.file_adds);
cl_assert_equal_i(0, exp.file_dels);
cl_assert_equal_i(1, exp.file_mods);
cl_assert_equal_i(1, exp.hunks);
cl_assert_equal_i(3, exp.lines);
cl_assert_equal_i(0, exp.line_ctxt);
cl_assert_equal_i(1, exp.line_adds);
cl_assert_equal_i(2, exp.line_dels);
}
git_diff_list_free(diff);
}
void test_diff_diffiter__iterate_randomly_while_saving_state(void)
{
git_repository *repo = cl_git_sandbox_init("status");
git_diff_options opts = {0};
git_diff_list *diff = NULL;
diff_expects exp = {0};
git_diff_patch *patches[PATCH_CACHE];
size_t p, d, num_d;
memset(patches, 0, sizeof(patches));
opts.context_lines = 3;
opts.interhunk_lines = 1;
opts.flags |= GIT_DIFF_INCLUDE_IGNORED | GIT_DIFF_INCLUDE_UNTRACKED;
cl_git_pass(git_diff_workdir_to_index(repo, &opts, &diff));
num_d = git_diff_num_deltas(diff);
/* To make sure that references counts work for diff and patch objects,
* this generates patches and randomly caches them. Only when the patch
* is removed from the cache are hunks and lines counted. At the end,
* there are still patches in the cache, so free the diff and try to
* process remaining patches after the diff is freed.
*/
srand(121212);
p = rand() % PATCH_CACHE;
for (d = 0; d < num_d; ++d) {
/* take old patch */
git_diff_patch *patch = patches[p];
patches[p] = NULL;
/* cache new patch */
cl_git_pass(git_diff_get_patch(&patches[p], NULL, diff, d));
cl_assert(patches[p] != NULL);
/* process old patch if non-NULL */
if (patch != NULL) {
iterate_over_patch(patch, &exp);
git_diff_patch_free(patch);
}
p = rand() % PATCH_CACHE;
}
/* free diff list now - refcounts should keep things safe */
git_diff_list_free(diff);
/* process remaining unprocessed patches */
for (p = 0; p < PATCH_CACHE; p++) {
git_diff_patch *patch = patches[p];
if (patch != NULL) {
iterate_over_patch(patch, &exp);
git_diff_patch_free(patch);
}
}
/* hopefully it all still added up right */
cl_assert_equal_i(13, exp.files);
cl_assert_equal_i(8, exp.hunks);
cl_assert_equal_i(14, exp.lines);
}
void test_diff_workdir__larger_hunks(void)
{
const char *a_commit = "d70d245ed97ed2aa596dd1af6536e4bfdb047b69";
const char *b_commit = "7a9e0b02e63179929fed24f0a3e0f19168114d10";
git_tree *a, *b;
git_diff_options opts = {0};
size_t i, d, num_d, h, num_h, l, num_l, header_len, line_len;
g_repo = cl_git_sandbox_init("diff");
cl_assert((a = resolve_commit_oid_to_tree(g_repo, a_commit)) != NULL);
cl_assert((b = resolve_commit_oid_to_tree(g_repo, b_commit)) != NULL);
opts.context_lines = 1;
opts.interhunk_lines = 0;
for (i = 0; i <= 2; ++i) {
git_diff_list *diff = NULL;
git_diff_patch *patch;
const git_diff_range *range;
const char *header, *line;
char origin;
/* okay, this is a bit silly, but oh well */
switch (i) {
case 0:
cl_git_pass(git_diff_workdir_to_index(g_repo, &opts, &diff));
break;
case 1:
cl_git_pass(git_diff_workdir_to_tree(g_repo, &opts, a, &diff));
break;
case 2:
cl_git_pass(git_diff_workdir_to_tree(g_repo, &opts, b, &diff));
break;
}
num_d = git_diff_num_deltas(diff);
cl_assert_equal_i(2, (int)num_d);
for (d = 0; d < num_d; ++d) {
cl_git_pass(git_diff_get_patch(&patch, NULL, diff, d));
cl_assert(patch);
num_h = git_diff_patch_num_hunks(patch);
for (h = 0; h < num_h; h++) {
cl_git_pass(git_diff_patch_get_hunk(
&range, &header, &header_len, &num_l, patch, h));
for (l = 0; l < num_l; ++l) {
cl_git_pass(git_diff_patch_get_line_in_hunk(
&origin, &line, &line_len, NULL, NULL, patch, h, l));
cl_assert(line);
}
/* confirm fail after the last item */
cl_git_fail(git_diff_patch_get_line_in_hunk(
&origin, &line, &line_len, NULL, NULL, patch, h, num_l));
}
/* confirm fail after the last item */
cl_git_fail(git_diff_patch_get_hunk(
&range, &header, &header_len, &num_l, patch, num_h));
git_diff_patch_free(patch);
}
git_diff_list_free(diff);
}
git_tree_free(a);
git_tree_free(b);
}
void test_diff_diffiter__max_size_threshold(void)
{
git_repository *repo = cl_git_sandbox_init("status");
git_diff_options opts = {0};
git_diff_list *diff = NULL;
int file_count = 0, binary_count = 0, hunk_count = 0;
size_t d, num_d;
opts.context_lines = 3;
opts.interhunk_lines = 1;
opts.flags |= GIT_DIFF_INCLUDE_IGNORED | GIT_DIFF_INCLUDE_UNTRACKED;
cl_git_pass(git_diff_workdir_to_index(repo, &opts, &diff));
num_d = git_diff_num_deltas(diff);
for (d = 0; d < num_d; ++d) {
git_diff_patch *patch;
const git_diff_delta *delta;
cl_git_pass(git_diff_get_patch(&patch, &delta, diff, d));
cl_assert(delta);
cl_assert(patch);
file_count++;
hunk_count += (int)git_diff_patch_num_hunks(patch);
assert(delta->binary == 0 || delta->binary == 1);
binary_count += delta->binary;
git_diff_patch_free(patch);
}
cl_assert_equal_i(13, file_count);
cl_assert_equal_i(0, binary_count);
cl_assert_equal_i(8, hunk_count);
git_diff_list_free(diff);
/* try again with low file size threshold */
file_count = binary_count = hunk_count = 0;
opts.context_lines = 3;
opts.interhunk_lines = 1;
opts.flags |= GIT_DIFF_INCLUDE_IGNORED | GIT_DIFF_INCLUDE_UNTRACKED;
opts.max_size = 50; /* treat anything over 50 bytes as binary! */
cl_git_pass(git_diff_workdir_to_index(repo, &opts, &diff));
num_d = git_diff_num_deltas(diff);
for (d = 0; d < num_d; ++d) {
git_diff_patch *patch;
const git_diff_delta *delta;
cl_git_pass(git_diff_get_patch(&patch, &delta, diff, d));
file_count++;
hunk_count += (int)git_diff_patch_num_hunks(patch);
assert(delta->binary == 0 || delta->binary == 1);
binary_count += delta->binary;
git_diff_patch_free(patch);
}
cl_assert_equal_i(13, file_count);
/* Three files are over the 50 byte threshold:
* - staged_changes_file_deleted
* - staged_changes_modified_file
* - staged_new_file_modified_file
*/
cl_assert_equal_i(3, binary_count);
cl_assert_equal_i(5, hunk_count);
git_diff_list_free(diff);
}
