Commit 29cc374d2e8a73c458805f8e76a286b8b688b80e
2012-11-08T17:37:01
tree: enforce coverage of silent entry replacement
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diff --git a/tests-clar/object/tree/duplicateentries.c b/tests-clar/object/tree/duplicateentries.c
new file mode 100644
index 0000000..330690d
--- /dev/null
+++ b/tests-clar/object/tree/duplicateentries.c
@@ -0,0 +1,117 @@
+#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);
+}