#include "clar_libgit2.h"

#include "git2/odb_backend.h"

static git_repository *repo;

static git_odb *odb;

static git_odb_stream *stream;

void test_odb_streamwrite__initialize(void)

{

	repo = cl_git_sandbox_init("testrepo.git");

	cl_git_pass(git_repository_odb(&odb, repo));

	cl_git_pass(git_odb_open_wstream(&stream, odb, 14, GIT_OBJ_BLOB));

	cl_assert_equal_sz(14, stream->declared_size);

}

void test_odb_streamwrite__cleanup(void)

{

	git_odb_stream_free(stream);

	git_odb_free(odb);

	cl_git_sandbox_cleanup();

}

void test_odb_streamwrite__can_accept_chunks(void)

{

	git_oid oid;

	cl_git_pass(git_odb_stream_write(stream, "deadbeef", 8));

	cl_assert_equal_sz(8, stream->received_bytes);

	cl_git_pass(git_odb_stream_write(stream, "deadbeef", 6));

	cl_assert_equal_sz(8 + 6, stream->received_bytes);

	cl_git_pass(git_odb_stream_finalize_write(&oid, stream));

}

void test_odb_streamwrite__can_detect_missing_bytes(void)

{

	git_oid oid;

	cl_git_pass(git_odb_stream_write(stream, "deadbeef", 8));

	cl_assert_equal_sz(8, stream->received_bytes);

	cl_git_pass(git_odb_stream_write(stream, "deadbeef", 4));

	cl_assert_equal_sz(8 + 4, stream->received_bytes);

	cl_git_fail(git_odb_stream_finalize_write(&oid, stream));

}

void test_odb_streamwrite__can_detect_additional_bytes(void)

{

	cl_git_pass(git_odb_stream_write(stream, "deadbeef", 8));

	cl_assert_equal_sz(8, stream->received_bytes);

	cl_git_fail(git_odb_stream_write(stream, "deadbeef", 7));

}