add test for shallow repo depth 1

tests/clone/shallow.c

@@ -4,17 +4,15 @@
 
 void test_clone_shallow__initialize(void)
 {
-
+    cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_SHALLOW, 1));
 }
 
 void test_clone_shallow__cleanup(void)
 {
+	git_libgit2_opts(GIT_OPT_ENABLE_SHALLOW, 0);
 	cl_git_sandbox_cleanup();
 }
 
-
-#define CLONE_DEPTH 5
-
 static int remote_single_branch(git_remote **out, git_repository *repo, const char *name, const char *url, void *payload)
 {
 	GIT_UNUSED(payload);
@@ -24,7 +22,47 @@ static int remote_single_branch(git_remote **out, git_repository *repo, const ch
 	return 0;
 }
 
-void test_clone_shallow__clone_depth(void)
+void test_clone_shallow__clone_depth_one(void)
+{
+	git_buf path = GIT_BUF_INIT;
+	git_repository *repo;
+	git_revwalk *walk;
+	git_clone_options clone_opts = GIT_CLONE_OPTIONS_INIT;
+	git_oid oid;
+	git_oidarray roots;
+	size_t num_commits = 0;
+	int error = 0;
+
+	clone_opts.fetch_opts.depth = 1;
+	clone_opts.remote_cb = remote_single_branch;
+
+	git_buf_joinpath(&path, clar_sandbox_path(), "shallowclone_1");
+
+	cl_git_pass(git_clone(&repo, "https://github.com/libgit2/TestGitRepository", git_buf_cstr(&path), &clone_opts));
+
+	cl_assert_equal_b(true, git_repository_is_shallow(repo));
+
+	cl_git_pass(git_repository_shallow_roots(&roots, repo));
+	cl_assert_equal_i(1, roots.count);
+	cl_assert_equal_s("49322bb17d3acc9146f98c97d078513228bbf3c0", git_oid_tostr_s(&roots.ids[0]));
+
+	git_revwalk_new(&walk, repo);
+
+	git_revwalk_push_head(walk);
+
+	while ((error = git_revwalk_next(&oid, walk)) == GIT_OK) {
+		num_commits++;
+	}
+
+	cl_assert_equal_i(num_commits, 1);
+	cl_assert_equal_i(error, GIT_ITEROVER);
+
+	git_buf_dispose(&path);
+	git_revwalk_free(walk);
+	git_repository_free(repo);
+}
+
+void test_clone_shallow__clone_depth_five(void)
 {
 	git_buf path = GIT_BUF_INIT;
 	git_repository *repo;
@@ -32,13 +70,13 @@ void test_clone_shallow__clone_depth(void)
 	git_clone_options clone_opts = GIT_CLONE_OPTIONS_INIT;
 	git_oid oid;
 	git_oidarray roots;
-	size_t depth = 0;
+	size_t num_commits = 0;
 	int error = 0;
 
-	clone_opts.fetch_opts.depth = CLONE_DEPTH;
+	clone_opts.fetch_opts.depth = 5;
 	clone_opts.remote_cb = remote_single_branch;
 
-	git_buf_joinpath(&path, clar_sandbox_path(), "shallowclone");
+	git_buf_joinpath(&path, clar_sandbox_path(), "shallowclone_5");
 
 	cl_git_pass(git_clone(&repo, "https://github.com/libgit2/TestGitRepository", git_buf_cstr(&path), &clone_opts));
 
@@ -55,11 +93,11 @@ void test_clone_shallow__clone_depth(void)
 	git_revwalk_push_head(walk);
 
 	while ((error = git_revwalk_next(&oid, walk)) == GIT_OK) {
-		if (depth + 1 > CLONE_DEPTH)
-			cl_fail("expected depth mismatch");
+		num_commits++;
 	}
 
-	cl_git_pass(error);
+	cl_assert_equal_i(num_commits, 13);
+	cl_assert_equal_i(error, GIT_ITEROVER);
 
 	git_buf_dispose(&path);
 	git_revwalk_free(walk);