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#include "clar_libgit2.h"
#include <git2.h>
#include <git2/sys/commit_graph.h>
#include "commit_graph.h"
#include "futils.h"
void test_graph_commitgraph__parse(void)
{
git_repository *repo;
struct git_commit_graph_file *file;
struct git_commit_graph_entry e, parent;
git_oid id;
git_str commit_graph_path = GIT_STR_INIT;
cl_git_pass(git_repository_open(&repo, cl_fixture("testrepo.git")));
cl_git_pass(git_str_joinpath(&commit_graph_path, git_repository_path(repo), "objects/info/commit-graph"));
cl_git_pass(git_commit_graph_file_open(&file, git_str_cstr(&commit_graph_path)));
cl_assert_equal_i(git_commit_graph_file_needs_refresh(file, git_str_cstr(&commit_graph_path)), 0);
cl_git_pass(git_oid_fromstr(&id, "5001298e0c09ad9c34e4249bc5801c75e9754fa5"));
cl_git_pass(git_commit_graph_entry_find(&e, file, &id, GIT_OID_HEXSZ));
cl_assert_equal_oid(&e.sha1, &id);
cl_git_pass(git_oid_fromstr(&id, "418382dff1ffb8bdfba833f4d8bbcde58b1e7f47"));
cl_assert_equal_oid(&e.tree_oid, &id);
cl_assert_equal_i(e.generation, 1);
cl_assert_equal_i(e.commit_time, UINT64_C(1273610423));
cl_assert_equal_i(e.parent_count, 0);
cl_git_pass(git_oid_fromstr(&id, "be3563ae3f795b2b4353bcce3a527ad0a4f7f644"));
cl_git_pass(git_commit_graph_entry_find(&e, file, &id, GIT_OID_HEXSZ));
cl_assert_equal_oid(&e.sha1, &id);
cl_assert_equal_i(e.generation, 5);
cl_assert_equal_i(e.commit_time, UINT64_C(1274813907));
cl_assert_equal_i(e.parent_count, 2);
cl_git_pass(git_oid_fromstr(&id, "9fd738e8f7967c078dceed8190330fc8648ee56a"));
cl_git_pass(git_commit_graph_entry_parent(&parent, file, &e, 0));
cl_assert_equal_oid(&parent.sha1, &id);
cl_assert_equal_i(parent.generation, 4);
cl_git_pass(git_oid_fromstr(&id, "c47800c7266a2be04c571c04d5a6614691ea99bd"));
cl_git_pass(git_commit_graph_entry_parent(&parent, file, &e, 1));
cl_assert_equal_oid(&parent.sha1, &id);
cl_assert_equal_i(parent.generation, 3);
git_commit_graph_file_free(file);
git_repository_free(repo);
git_str_dispose(&commit_graph_path);
}
void test_graph_commitgraph__parse_octopus_merge(void)
{
git_repository *repo;
struct git_commit_graph_file *file;
struct git_commit_graph_entry e, parent;
git_oid id;
git_str commit_graph_path = GIT_STR_INIT;
cl_git_pass(git_repository_open(&repo, cl_fixture("merge-recursive/.gitted")));
cl_git_pass(git_str_joinpath(&commit_graph_path, git_repository_path(repo), "objects/info/commit-graph"));
cl_git_pass(git_commit_graph_file_open(&file, git_str_cstr(&commit_graph_path)));
cl_git_pass(git_oid_fromstr(&id, "d71c24b3b113fd1d1909998c5bfe33b86a65ee03"));
cl_git_pass(git_commit_graph_entry_find(&e, file, &id, GIT_OID_HEXSZ));
cl_assert_equal_oid(&e.sha1, &id);
cl_git_pass(git_oid_fromstr(&id, "348f16ffaeb73f319a75cec5b16a0a47d2d5e27c"));
cl_assert_equal_oid(&e.tree_oid, &id);
cl_assert_equal_i(e.generation, 7);
cl_assert_equal_i(e.commit_time, UINT64_C(1447083009));
cl_assert_equal_i(e.parent_count, 3);
cl_git_pass(git_oid_fromstr(&id, "ad2ace9e15f66b3d1138922e6ffdc3ea3f967fa6"));
cl_git_pass(git_commit_graph_entry_parent(&parent, file, &e, 0));
cl_assert_equal_oid(&parent.sha1, &id);
cl_assert_equal_i(parent.generation, 6);
cl_git_pass(git_oid_fromstr(&id, "483065df53c0f4a02cdc6b2910b05d388fc17ffb"));
cl_git_pass(git_commit_graph_entry_parent(&parent, file, &e, 1));
cl_assert_equal_oid(&parent.sha1, &id);
cl_assert_equal_i(parent.generation, 2);
cl_git_pass(git_oid_fromstr(&id, "815b5a1c80ca749d705c7aa0cb294a00cbedd340"));
cl_git_pass(git_commit_graph_entry_parent(&parent, file, &e, 2));
cl_assert_equal_oid(&parent.sha1, &id);
cl_assert_equal_i(parent.generation, 6);
git_commit_graph_file_free(file);
git_repository_free(repo);
git_str_dispose(&commit_graph_path);
}
void test_graph_commitgraph__writer(void)
{
git_repository *repo;
git_commit_graph_writer *w = NULL;
git_revwalk *walk;
git_commit_graph_writer_options opts = GIT_COMMIT_GRAPH_WRITER_OPTIONS_INIT;
git_buf cgraph = GIT_BUF_INIT;
git_str expected_cgraph = GIT_STR_INIT, path = GIT_STR_INIT;
cl_git_pass(git_repository_open(&repo, cl_fixture("testrepo.git")));
cl_git_pass(git_str_joinpath(&path, git_repository_path(repo), "objects/info"));
cl_git_pass(git_commit_graph_writer_new(&w, git_str_cstr(&path)));
/* This is equivalent to `git commit-graph write --reachable`. */
cl_git_pass(git_revwalk_new(&walk, repo));
cl_git_pass(git_revwalk_push_glob(walk, "refs/*"));
cl_git_pass(git_commit_graph_writer_add_revwalk(w, walk));
git_revwalk_free(walk);
cl_git_pass(git_commit_graph_writer_dump(&cgraph, w, &opts));
cl_git_pass(git_str_joinpath(&path, git_repository_path(repo), "objects/info/commit-graph"));
cl_git_pass(git_futils_readbuffer(&expected_cgraph, git_str_cstr(&path)));
cl_assert_equal_i(cgraph.size, git_str_len(&expected_cgraph));
cl_assert_equal_i(memcmp(cgraph.ptr, git_str_cstr(&expected_cgraph), cgraph.size), 0);
git_buf_dispose(&cgraph);
git_str_dispose(&expected_cgraph);
git_str_dispose(&path);
git_commit_graph_writer_free(w);
git_repository_free(repo);
}
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