tests: submodule: insert index entries directly into index

tests/submodule/add.c

@@ -7,6 +7,7 @@
 #include "repository.h"
 
 static git_repository *g_repo = NULL;
+static const char *valid_blob_id = "fa49b077972391ad58037050f2a75f74e3671e92";
 
 void test_submodule_add__cleanup(void)
 {
@@ -129,31 +130,39 @@ void test_submodule_add__url_relative_to_workdir(void)
 	assert_submodule_url("TestGitRepository", git_repository_workdir(g_repo));
 }
 
+static void test_add_entry(
+	git_index *index,
+	const char *idstr,
+	const char *path,
+	git_filemode_t mode)
+{
+	git_index_entry entry = {{0}};
+
+	cl_git_pass(git_oid_fromstr(&entry.id, idstr));
+
+	entry.path = path;
+	entry.mode = mode;
+
+	cl_git_pass(git_index_add(index, &entry));
+}
+
 void test_submodule_add__path_exists_in_index(void)
 {
 	git_index *index;
 	git_submodule *sm;
-	git_buf dirname = GIT_BUF_INIT;
 	git_buf filename = GIT_BUF_INIT;
 
 	g_repo = cl_git_sandbox_init("testrepo");
 
-	cl_git_pass(git_buf_joinpath(&dirname, git_repository_workdir(g_repo), "subdirectory"));
-	cl_git_pass(git_buf_joinpath(&filename, dirname.ptr, "test.txt"));
-
-	cl_git_pass(p_mkdir(dirname.ptr, 0700));
-	cl_git_mkfile(filename.ptr, "This is some content");
+	cl_git_pass(git_buf_joinpath(&filename, "subdirectory", "test.txt"));
 
-	cl_git_pass(git_repository_index__weakptr(&index, g_repo));
-	cl_git_pass(git_index_add_bypath(index, "subdirectory/test.txt"));
+	cl_git_pass(git_repository_index(&index, g_repo));
 
-	cl_git_pass(p_unlink(filename.ptr));
-	cl_git_pass(p_rmdir(dirname.ptr));
+	test_add_entry(index, valid_blob_id, filename.ptr, GIT_FILEMODE_BLOB);
 
 	cl_git_fail_with(git_submodule_add_setup(&sm, g_repo, "./", "subdirectory", 1), GIT_EEXISTS);
 
 	git_submodule_free(sm);
-	git_buf_free(&dirname);
 	git_buf_free(&filename);
 }
 
@@ -165,14 +174,9 @@ void test_submodule_add__file_exists_in_index(void)
 
 	g_repo = cl_git_sandbox_init("testrepo");
 
-	cl_git_pass(git_buf_joinpath(&name, git_repository_workdir(g_repo), "subdirectory"));
-
-	cl_git_mkfile(name.ptr, "Test content");
-
-	cl_git_pass(git_repository_index__weakptr(&index, g_repo));
-	cl_git_pass(git_index_add_bypath(index, "subdirectory"));
+	cl_git_pass(git_repository_index(&index, g_repo));
 
-	cl_git_pass(p_unlink(name.ptr));
+	test_add_entry(index, valid_blob_id, "subdirectory", GIT_FILEMODE_BLOB);
 
 	cl_git_fail_with(git_submodule_add_setup(&sm, g_repo, "./", "subdirectory", 1), GIT_EEXISTS);