thodg/libgit2/tests-clar/object/tree/duplicateentries.c

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• Hash : ef887151
  Author :
  Date : 2012-11-11T23:52:37
  

  Fix compilation warning

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• tests-clar/object/tree/duplicateentries.c

• #include "clar_libgit2.h"
  #include "tree.h"
  
  static git_repository *_repo;
  
  void test_object_tree_duplicateentries__initialize(void) {
     _repo = cl_git_sandbox_init("testrepo");
  }
  
  void test_object_tree_duplicateentries__cleanup(void) {
     cl_git_sandbox_cleanup();
  }
  
  /*
   * $ git show --format=raw refs/heads/dir
   * commit 144344043ba4d4a405da03de3844aa829ae8be0e
   * tree d52a8fe84ceedf260afe4f0287bbfca04a117e83
   * parent cf80f8de9f1185bf3a05f993f6121880dd0cfbc9
   * author Ben Straub <bstraub@github.com> 1343755506 -0700
   * committer Ben Straub <bstraub@github.com> 1343755506 -0700
   * 
   *     Change a file mode
   * 
   * diff --git a/a/b.txt b/a/b.txt
   * old mode 100644
   * new mode 100755
   *
   * $ git ls-tree d52a8fe84ceedf260afe4f0287bbfca04a117e83
   * 100644 blob a8233120f6ad708f843d861ce2b7228ec4e3dec6    README
   * 040000 tree 4e0883eeeeebc1fb1735161cea82f7cb5fab7e63    a
   * 100644 blob 45b983be36b73c0788dc9cbcb76cbb80fc7bb057    branch_file.txt
   * 100644 blob a71586c1dfe8a71c6cbf6c129f404c5642ff31bd    new.txt
   */
  
  static void tree_checker(
  	git_oid *tid,
  	const char *expected_sha,
  	git_filemode_t expected_filemode)
  {
  	git_tree *tree;
  	const git_tree_entry *entry;
  	git_oid oid;
  
  	cl_git_pass(git_tree_lookup(&tree, _repo, tid));
  	cl_assert_equal_i(1, git_tree_entrycount(tree));
  	entry = git_tree_entry_byindex(tree, 0);
  
  	cl_git_pass(git_oid_fromstr(&oid, expected_sha));
  
  	cl_assert_equal_i(0, git_oid_cmp(&oid, git_tree_entry_id(entry)));
  	cl_assert_equal_i(expected_filemode, git_tree_entry_filemode(entry));
  
  	git_tree_free(tree);
  }
  
  static void tree_creator(git_oid *out, void (*fn)(git_treebuilder *))
  {
  	git_treebuilder *builder;
  
  	cl_git_pass(git_treebuilder_create(&builder, NULL));
  
  	fn(builder);
  
  	cl_git_pass(git_treebuilder_write(out, _repo, builder));
  	git_treebuilder_free(builder);
  }
  
  static void two_blobs(git_treebuilder *bld)
  {
  	git_oid oid;
  	const git_tree_entry *entry;
  	
  	cl_git_pass(git_oid_fromstr(&oid,
  		"a8233120f6ad708f843d861ce2b7228ec4e3dec6"));	/* blob oid (README) */
  
  	cl_git_pass(git_treebuilder_insert(
  		&entry,	bld, "duplicate", &oid,
  		GIT_FILEMODE_BLOB));
  
  	cl_git_pass(git_oid_fromstr(&oid,
  		"a71586c1dfe8a71c6cbf6c129f404c5642ff31bd"));	/* blob oid (new.txt) */
  
  	cl_git_pass(git_treebuilder_insert(
  		&entry,	bld, "duplicate", &oid,
  		GIT_FILEMODE_BLOB));
  }
  
  static void one_blob_and_one_tree(git_treebuilder *bld)
  {
  	git_oid oid;
  	const git_tree_entry *entry;
  	
  	cl_git_pass(git_oid_fromstr(&oid,
  		"a8233120f6ad708f843d861ce2b7228ec4e3dec6"));	/* blob oid (README) */
  
  	cl_git_pass(git_treebuilder_insert(
  		&entry,	bld, "duplicate", &oid,
  		GIT_FILEMODE_BLOB));
  
  	cl_git_pass(git_oid_fromstr(&oid,
  		"4e0883eeeeebc1fb1735161cea82f7cb5fab7e63"));	/* tree oid (a) */
  
  	cl_git_pass(git_treebuilder_insert(
  		&entry,	bld, "duplicate", &oid,
  		GIT_FILEMODE_TREE));
  }
  
  void test_object_tree_duplicateentries__cannot_create_a_duplicate_entry_through_the_treebuilder(void)
  {
  	git_oid tid;
  
  	tree_creator(&tid, two_blobs);
  	tree_checker(&tid, "a71586c1dfe8a71c6cbf6c129f404c5642ff31bd", GIT_FILEMODE_BLOB);
  	
  	tree_creator(&tid, one_blob_and_one_tree);
  	tree_checker(&tid, "4e0883eeeeebc1fb1735161cea82f7cb5fab7e63", GIT_FILEMODE_TREE);
  }
  
  static void add_fake_conflicts(git_index *index)
  {
  	git_index_entry ancestor_entry, our_entry, their_entry;
  
  	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 = "duplicate";
  	ancestor_entry.mode = GIT_FILEMODE_BLOB;
  	ancestor_entry.flags |= (1 << GIT_IDXENTRY_STAGESHIFT);
  	git_oid_fromstr(&ancestor_entry.oid, "a8233120f6ad708f843d861ce2b7228ec4e3dec6");
  
  	our_entry.path = "duplicate";
  	our_entry.mode = GIT_FILEMODE_BLOB;
  	ancestor_entry.flags |= (2 << GIT_IDXENTRY_STAGESHIFT);
  	git_oid_fromstr(&our_entry.oid, "45b983be36b73c0788dc9cbcb76cbb80fc7bb057");
  
  	their_entry.path = "duplicate";
  	their_entry.mode = GIT_FILEMODE_BLOB;
  	ancestor_entry.flags |= (3 << GIT_IDXENTRY_STAGESHIFT);
  	git_oid_fromstr(&their_entry.oid, "a71586c1dfe8a71c6cbf6c129f404c5642ff31bd");
  
  	cl_git_pass(git_index_conflict_add(index, &ancestor_entry, &our_entry, &their_entry));
  }
  
  void test_object_tree_duplicateentries__cannot_create_a_duplicate_entry_building_a_tree_from_a_index_with_conflicts(void)
  {
  	git_index *index;
  	git_oid tid;
  
  	cl_git_pass(git_repository_index(&index, _repo));
  
  	add_fake_conflicts(index); 
  
  	cl_assert_equal_i(GIT_EUNMERGED, git_index_write_tree(&tid, index));
  
  	git_index_free(index);
  }
  

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