]> git.proxmox.com Git - libgit2.git/blobdiff - tests/libgit2/index/read_index.c
Merge https://salsa.debian.org/debian/libgit2 into proxmox/bullseye
[libgit2.git] / tests / libgit2 / index / read_index.c
diff --git a/tests/libgit2/index/read_index.c b/tests/libgit2/index/read_index.c
new file mode 100644 (file)
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+#include "clar_libgit2.h"
+#include "posix.h"
+#include "index.h"
+#include "conflicts.h"
+
+static git_repository *_repo;
+static git_index *_index;
+
+void test_index_read_index__initialize(void)
+{
+       git_object *head;
+       git_reference *head_ref;
+
+       _repo = cl_git_sandbox_init("testrepo");
+       cl_git_pass(git_revparse_ext(&head, &head_ref, _repo, "HEAD"));
+       cl_git_pass(git_reset(_repo, head, GIT_RESET_HARD, NULL));
+       cl_git_pass(git_repository_index(&_index, _repo));
+
+       git_reference_free(head_ref);
+       git_object_free(head);
+}
+
+void test_index_read_index__cleanup(void)
+{
+       git_index_free(_index);
+       cl_git_sandbox_cleanup();
+}
+
+void test_index_read_index__maintains_stat_cache(void)
+{
+       git_index *new_index;
+       git_oid index_id;
+       git_index_entry new_entry;
+       const git_index_entry *e;
+       git_tree *tree;
+       size_t i;
+
+       cl_assert_equal_i(4, git_index_entrycount(_index));
+
+       /* write-tree */
+       cl_git_pass(git_index_write_tree(&index_id, _index));
+
+       /* read-tree, then read index */
+       git_tree_lookup(&tree, _repo, &index_id);
+       cl_git_pass(git_index_new(&new_index));
+       cl_git_pass(git_index_read_tree(new_index, tree));
+       git_tree_free(tree);
+
+       /* add a new entry that will not have stat data */
+       memset(&new_entry, 0, sizeof(git_index_entry));
+       new_entry.path = "Hello";
+       git_oid_fromstr(&new_entry.id, "0123456789012345678901234567890123456789");
+       new_entry.file_size = 1234;
+       new_entry.mode = 0100644;
+       cl_git_pass(git_index_add(new_index, &new_entry));
+       cl_assert_equal_i(5, git_index_entrycount(new_index));
+
+       cl_git_pass(git_index_read_index(_index, new_index));
+       git_index_free(new_index);
+
+       cl_assert_equal_i(5, git_index_entrycount(_index));
+
+       for (i = 0; i < git_index_entrycount(_index); i++) {
+               e = git_index_get_byindex(_index, i);
+
+               if (strcmp(e->path, "Hello") == 0) {
+                       cl_assert_equal_i(0, e->ctime.seconds);
+                       cl_assert_equal_i(0, e->mtime.seconds);
+               } else {
+                       cl_assert(0 != e->ctime.seconds);
+                       cl_assert(0 != e->mtime.seconds);
+               }
+       }
+}
+
+static bool roundtrip_with_read_index(const char *tree_idstr)
+{
+       git_oid tree_id, new_tree_id;
+       git_tree *tree;
+       git_index *tree_index;
+
+       cl_git_pass(git_oid_fromstr(&tree_id, tree_idstr));
+       cl_git_pass(git_tree_lookup(&tree, _repo, &tree_id));
+       cl_git_pass(git_index_new(&tree_index));
+       cl_git_pass(git_index_read_tree(tree_index, tree));
+       cl_git_pass(git_index_read_index(_index, tree_index));
+       cl_git_pass(git_index_write_tree(&new_tree_id, _index));
+
+       git_tree_free(tree);
+       git_index_free(tree_index);
+
+       return git_oid_equal(&tree_id, &new_tree_id);
+}
+
+void test_index_read_index__produces_treesame_indexes(void)
+{
+       roundtrip_with_read_index("53fc32d17276939fc79ed05badaef2db09990016");
+       roundtrip_with_read_index("944c0f6e4dfa41595e6eb3ceecdb14f50fe18162");
+       roundtrip_with_read_index("1810dff58d8a660512d4832e740f692884338ccd");
+       roundtrip_with_read_index("d52a8fe84ceedf260afe4f0287bbfca04a117e83");
+       roundtrip_with_read_index("c36d8ea75da8cb510fcb0c408c1d7e53f9a99dbe");
+       roundtrip_with_read_index("7b2417a23b63e1fdde88c80e14b33247c6e5785a");
+       roundtrip_with_read_index("f82a8eb4cb20e88d1030fd10d89286215a715396");
+       roundtrip_with_read_index("fd093bff70906175335656e6ce6ae05783708765");
+       roundtrip_with_read_index("ae90f12eea699729ed24555e40b9fd669da12a12");
+}
+
+void test_index_read_index__read_and_writes(void)
+{
+       git_oid tree_id, new_tree_id;
+       git_tree *tree;
+       git_index *tree_index, *new_index;
+
+       cl_git_pass(git_oid_fromstr(&tree_id, "ae90f12eea699729ed24555e40b9fd669da12a12"));
+       cl_git_pass(git_tree_lookup(&tree, _repo, &tree_id));
+       cl_git_pass(git_index_new(&tree_index));
+       cl_git_pass(git_index_read_tree(tree_index, tree));
+       cl_git_pass(git_index_read_index(_index, tree_index));
+       cl_git_pass(git_index_write(_index));
+
+       cl_git_pass(git_index_open(&new_index, git_index_path(_index)));
+       cl_git_pass(git_index_write_tree_to(&new_tree_id, new_index, _repo));
+
+       cl_assert_equal_oid(&tree_id, &new_tree_id);
+
+       git_tree_free(tree);
+       git_index_free(tree_index);
+       git_index_free(new_index);
+}
+
+static void add_conflicts(git_index *index, const char *filename)
+{
+       git_index_entry ancestor_entry, our_entry, their_entry;
+       static int conflict_idx = 0;
+       char *ancestor_ids[] =
+               { CONFLICTS_ONE_ANCESTOR_OID, CONFLICTS_TWO_ANCESTOR_OID };
+       char *our_ids[] =
+               { CONFLICTS_ONE_OUR_OID, CONFLICTS_TWO_OUR_OID };
+       char *their_ids[] =
+               { CONFLICTS_ONE_THEIR_OID, CONFLICTS_TWO_THEIR_OID };
+
+       conflict_idx = (conflict_idx + 1) % 2;
+
+       memset(&ancestor_entry, 0x0, sizeof(git_index_entry));
+       memset(&our_entry, 0x0, sizeof(git_index_entry));
+       memset(&their_entry, 0x0, sizeof(git_index_entry));
+
+       ancestor_entry.path = filename;
+       ancestor_entry.mode = 0100644;
+       GIT_INDEX_ENTRY_STAGE_SET(&ancestor_entry, 1);
+       git_oid_fromstr(&ancestor_entry.id, ancestor_ids[conflict_idx]);
+
+       our_entry.path = filename;
+       our_entry.mode = 0100644;
+       GIT_INDEX_ENTRY_STAGE_SET(&our_entry, 2);
+       git_oid_fromstr(&our_entry.id, our_ids[conflict_idx]);
+
+       their_entry.path = filename;
+       their_entry.mode = 0100644;
+       GIT_INDEX_ENTRY_STAGE_SET(&ancestor_entry, 2);
+       git_oid_fromstr(&their_entry.id, their_ids[conflict_idx]);
+
+       cl_git_pass(git_index_conflict_add(index, &ancestor_entry,
+               &our_entry, &their_entry));
+}
+
+void test_index_read_index__handles_conflicts(void)
+{
+       git_oid tree_id;
+       git_tree *tree;
+       git_index *index, *new_index;
+       git_index_conflict_iterator *conflict_iterator;
+       const git_index_entry *ancestor, *ours, *theirs;
+
+       cl_git_pass(git_oid_fromstr(&tree_id, "ae90f12eea699729ed24555e40b9fd669da12a12"));
+       cl_git_pass(git_tree_lookup(&tree, _repo, &tree_id));
+       cl_git_pass(git_index_new(&index));
+       cl_git_pass(git_index_new(&new_index));
+       cl_git_pass(git_index_read_tree(index, tree));
+       cl_git_pass(git_index_read_tree(new_index, tree));
+
+       /* put some conflicts in only the old side, these should be removed */
+       add_conflicts(index, "orig_side-1.txt");
+       add_conflicts(index, "orig_side-2.txt");
+
+       /* put some conflicts in both indexes, these should be unchanged */
+       add_conflicts(index, "both_sides-1.txt");
+       add_conflicts(new_index,  "both_sides-1.txt");
+       add_conflicts(index, "both_sides-2.txt");
+       add_conflicts(new_index,  "both_sides-2.txt");
+
+       /* put some conflicts in the new index, these should be added */
+       add_conflicts(new_index, "new_side-1.txt");
+       add_conflicts(new_index, "new_side-2.txt");
+
+       cl_git_pass(git_index_read_index(index, new_index));
+       cl_git_pass(git_index_conflict_iterator_new(&conflict_iterator, index));
+
+       cl_git_pass(git_index_conflict_next(
+               &ancestor, &ours, &theirs, conflict_iterator));
+       cl_assert_equal_s("both_sides-1.txt", ancestor->path);
+       cl_assert_equal_s("both_sides-1.txt", ours->path);
+       cl_assert_equal_s("both_sides-1.txt", theirs->path);
+
+       cl_git_pass(git_index_conflict_next(
+               &ancestor, &ours, &theirs, conflict_iterator));
+       cl_assert_equal_s("both_sides-2.txt", ancestor->path);
+       cl_assert_equal_s("both_sides-2.txt", ours->path);
+       cl_assert_equal_s("both_sides-2.txt", theirs->path);
+
+       cl_git_pass(git_index_conflict_next(
+               &ancestor, &ours, &theirs, conflict_iterator));
+       cl_assert_equal_s("new_side-1.txt", ancestor->path);
+       cl_assert_equal_s("new_side-1.txt", ours->path);
+       cl_assert_equal_s("new_side-1.txt", theirs->path);
+
+       cl_git_pass(git_index_conflict_next(
+               &ancestor, &ours, &theirs, conflict_iterator));
+       cl_assert_equal_s("new_side-2.txt", ancestor->path);
+       cl_assert_equal_s("new_side-2.txt", ours->path);
+       cl_assert_equal_s("new_side-2.txt", theirs->path);
+
+
+       cl_git_fail_with(GIT_ITEROVER, git_index_conflict_next(
+               &ancestor, &ours, &theirs, conflict_iterator));
+
+       git_index_conflict_iterator_free(conflict_iterator);
+
+       git_tree_free(tree);
+       git_index_free(new_index);
+       git_index_free(index);
+}