ODB writing fails gracefully when unsupported

If no ODB backends support writing, we should fail gracefully.

1 files changed, 41 insertions, 0 deletions

diff --git a/tests/odb/backend/nobackend.c b/tests/odb/backend/nobackend.c
new file mode 100644
index 000000000..7ed5acced
--- /dev/null
+++ b/tests/odb/backend/nobackend.c
@@ -0,0 +1,41 @@
+#include "clar_libgit2.h"
+#include "repository.h"
+#include "git2/sys/repository.h"
+
+static git_repository *_repo;
+
+void test_odb_backend_nobackend__initialize(void)
+{
+	git_config *config;
+	git_odb *odb;
+	git_refdb *refdb;
+
+	cl_git_pass(git_repository_new(&_repo));
+	cl_git_pass(git_config_new(&config));
+	cl_git_pass(git_odb_new(&odb));
+	cl_git_pass(git_refdb_new(&refdb, _repo));
+
+	git_repository_set_config(_repo, config);
+	git_repository_set_odb(_repo, odb);
+	git_repository_set_refdb(_repo, refdb);
+}
+
+void test_odb_backend_nobackend__cleanup(void)
+{
+	git_repository_free(_repo);
+}
+
+void test_odb_backend_nobackend__write_fails_gracefully(void)
+{
+	git_oid id;
+	git_odb *odb;
+	const git_error *err;
+
+	git_repository_odb(&odb, _repo);
+	cl_git_fail(git_odb_write(&id, odb, "Hello world!\n", 13, GIT_OBJ_BLOB));
+
+	err = giterr_last();
+	cl_assert_equal_s(err->message, "Cannot write object - unsupported in the loaded odb backends");
+
+	git_odb_free(odb);
+}