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#include "clar_libgit2.h"
#include "diff_helpers.h"
static git_repository *g_repo = NULL;
void test_diff_tree__initialize(void)
{
cl_fixture_sandbox("attr");
cl_git_pass(p_rename("attr/.gitted", "attr/.git"));
cl_git_pass(p_rename("attr/gitattributes", "attr/.gitattributes"));
cl_git_pass(git_repository_open(&g_repo, "attr/.git"));
}
void test_diff_tree__cleanup(void)
{
git_repository_free(g_repo);
g_repo = NULL;
cl_fixture_cleanup("attr");
}
static git_tree *resolve_commit_oid_to_tree(const char *partial_oid)
{
size_t len = strlen(partial_oid);
git_oid oid;
git_object *obj;
git_tree *tree;
if (git_oid_fromstrn(&oid, partial_oid, len) == 0)
git_object_lookup_prefix(&obj, g_repo, &oid, len, GIT_OBJ_ANY);
cl_assert(obj);
if (git_object_type(obj) == GIT_OBJ_TREE)
return (git_tree *)obj;
cl_assert(git_object_type(obj) == GIT_OBJ_COMMIT);
cl_git_pass(git_commit_tree(&tree, (git_commit *)obj));
git_object_free(obj);
return tree;
}
void test_diff_tree__0(void)
{
/* grabbed a couple of commit oids from the history of the attr repo */
const char *a_commit = "605812a";
const char *b_commit = "370fe9ec22";
const char *c_commit = "f5b0af1fb4f5c";
git_tree *a = resolve_commit_oid_to_tree(a_commit);
git_tree *b = resolve_commit_oid_to_tree(b_commit);
git_tree *c = resolve_commit_oid_to_tree(c_commit);
git_diff_options opts;
git_diff_list *diff = NULL;
diff_expects exp;
cl_assert(a);
cl_assert(b);
opts.context_lines = 1;
opts.interhunk_lines = 0;
opts.ignore_whitespace = 0;
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_tree_to_tree(g_repo, &opts, a, b, &diff));
cl_git_pass(git_diff_foreach(
diff, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
cl_assert(exp.files == 5);
cl_assert(exp.file_adds == 2);
cl_assert(exp.file_dels == 1);
cl_assert(exp.file_mods == 2);
cl_assert(exp.hunks == 5);
cl_assert(exp.lines == 7 + 24 + 1 + 6 + 6);
cl_assert(exp.line_ctxt == 1);
cl_assert(exp.line_adds == 24 + 1 + 5 + 5);
cl_assert(exp.line_dels == 7 + 1);
git_diff_list_free(diff);
diff = NULL;
memset(&exp, 0, sizeof(exp));
cl_git_pass(git_diff_tree_to_tree(g_repo, &opts, c, b, &diff));
cl_git_pass(git_diff_foreach(
diff, &exp, diff_file_fn, diff_hunk_fn, diff_line_fn));
cl_assert(exp.files == 2);
cl_assert(exp.file_adds == 0);
cl_assert(exp.file_dels == 0);
cl_assert(exp.file_mods == 2);
cl_assert(exp.hunks == 2);
cl_assert(exp.lines == 8 + 15);
cl_assert(exp.line_ctxt == 1);
cl_assert(exp.line_adds == 1);
cl_assert(exp.line_dels == 7 + 14);
git_diff_list_free(diff);
git_tree_free(a);
git_tree_free(b);
git_tree_free(c);
}
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