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tree: enforce coverage of silent entry replacement

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nulltoken 2012-11-08 17:37:01 +01:00
parent 9d64128325
commit 29cc374d2e
1 changed files with 117 additions and 0 deletions
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117
tests-clar/object/tree/duplicateentries.c Normal file
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#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);
}