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Merge pull request #95931 from pafuent/adding_packet_peer_tests

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Add unit tests for `PacketPeer`
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Rémi Verschelde 2024-10-01 17:30:36 +02:00
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204
tests/core/io/test_packet_peer.h Normal file
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/**************************************************************************/
/* test_packet_peer.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef TEST_PACKET_PEER_H
#define TEST_PACKET_PEER_H
#include "core/io/packet_peer.h"
#include "tests/test_macros.h"
namespace TestPacketPeer {
TEST_CASE("[PacketPeer][PacketPeerStream] Encode buffer max size") {
Ref<PacketPeerStream> pps;
pps.instantiate();
SUBCASE("Default value") {
CHECK_EQ(pps->get_encode_buffer_max_size(), 8 * 1024 * 1024);
}
SUBCASE("Max encode buffer must be at least 1024 bytes") {
ERR_PRINT_OFF;
pps->set_encode_buffer_max_size(42);
ERR_PRINT_ON;
CHECK_EQ(pps->get_encode_buffer_max_size(), 8 * 1024 * 1024);
}
SUBCASE("Max encode buffer cannot exceed 256 MiB") {
ERR_PRINT_OFF;
pps->set_encode_buffer_max_size((256 * 1024 * 1024) + 42);
ERR_PRINT_ON;
CHECK_EQ(pps->get_encode_buffer_max_size(), 8 * 1024 * 1024);
}
SUBCASE("Should be next power of two") {
pps->set_encode_buffer_max_size(2000);
CHECK_EQ(pps->get_encode_buffer_max_size(), 2048);
}
}
TEST_CASE("[PacketPeer][PacketPeerStream] Read a variant from peer") {
String godot_rules = "Godot Rules!!!";
Ref<StreamPeerBuffer> spb;
spb.instantiate();
spb->put_var(godot_rules);
spb->seek(0);
Ref<PacketPeerStream> pps;
pps.instantiate();
pps->set_stream_peer(spb);
Variant value;
CHECK_EQ(pps->get_var(value), Error::OK);
CHECK_EQ(String(value), godot_rules);
}
TEST_CASE("[PacketPeer][PacketPeerStream] Read a variant from peer fails") {
Ref<PacketPeerStream> pps;
pps.instantiate();
Variant value;
ERR_PRINT_OFF;
CHECK_EQ(pps->get_var(value), Error::ERR_UNCONFIGURED);
ERR_PRINT_ON;
}
TEST_CASE("[PacketPeer][PacketPeerStream] Put a variant to peer") {
String godot_rules = "Godot Rules!!!";
Ref<StreamPeerBuffer> spb;
spb.instantiate();
Ref<PacketPeerStream> pps;
pps.instantiate();
pps->set_stream_peer(spb);
CHECK_EQ(pps->put_var(godot_rules), Error::OK);
spb->seek(0);
CHECK_EQ(String(spb->get_var()), godot_rules);
}
TEST_CASE("[PacketPeer][PacketPeerStream] Put a variant to peer out of memory failure") {
String more_than_1mb = String("*").repeat(1024 + 1);
Ref<StreamPeerBuffer> spb;
spb.instantiate();
Ref<PacketPeerStream> pps;
pps.instantiate();
pps->set_stream_peer(spb);
pps->set_encode_buffer_max_size(1024);
ERR_PRINT_OFF;
CHECK_EQ(pps->put_var(more_than_1mb), Error::ERR_OUT_OF_MEMORY);
ERR_PRINT_ON;
}
TEST_CASE("[PacketPeer][PacketPeerStream] Get packet buffer") {
String godot_rules = "Godot Rules!!!";
Ref<StreamPeerBuffer> spb;
spb.instantiate();
// First 4 bytes are the length of the string.
CharString cs = godot_rules.ascii();
Vector<uint8_t> buffer = { (uint8_t)(cs.length() + 1), 0, 0, 0 };
buffer.resize_zeroed(4 + cs.length() + 1);
memcpy(buffer.ptrw() + 4, cs.get_data(), cs.length());
spb->set_data_array(buffer);
Ref<PacketPeerStream> pps;
pps.instantiate();
pps->set_stream_peer(spb);
buffer.clear();
CHECK_EQ(pps->get_packet_buffer(buffer), Error::OK);
CHECK_EQ(String(reinterpret_cast<const char *>(buffer.ptr())), godot_rules);
}
TEST_CASE("[PacketPeer][PacketPeerStream] Get packet buffer from an empty peer") {
Ref<StreamPeerBuffer> spb;
spb.instantiate();
Ref<PacketPeerStream> pps;
pps.instantiate();
pps->set_stream_peer(spb);
Vector<uint8_t> buffer;
ERR_PRINT_OFF;
CHECK_EQ(pps->get_packet_buffer(buffer), Error::ERR_UNAVAILABLE);
ERR_PRINT_ON;
CHECK_EQ(buffer.size(), 0);
}
TEST_CASE("[PacketPeer][PacketPeerStream] Put packet buffer") {
String godot_rules = "Godot Rules!!!";
Ref<StreamPeerBuffer> spb;
spb.instantiate();
Ref<PacketPeerStream> pps;
pps.instantiate();
pps->set_stream_peer(spb);
CHECK_EQ(pps->put_packet_buffer(godot_rules.to_ascii_buffer()), Error::OK);
spb->seek(0);
CHECK_EQ(spb->get_string(), godot_rules);
// First 4 bytes are the length of the string.
CharString cs = godot_rules.ascii();
Vector<uint8_t> buffer = { (uint8_t)cs.length(), 0, 0, 0 };
buffer.resize(4 + cs.length());
memcpy(buffer.ptrw() + 4, cs.get_data(), cs.length());
CHECK_EQ(spb->get_data_array(), buffer);
}
TEST_CASE("[PacketPeer][PacketPeerStream] Put packet buffer when is empty") {
Ref<StreamPeerBuffer> spb;
spb.instantiate();
Ref<PacketPeerStream> pps;
pps.instantiate();
pps->set_stream_peer(spb);
Vector<uint8_t> buffer;
CHECK_EQ(pps->put_packet_buffer(buffer), Error::OK);
CHECK_EQ(spb->get_size(), 0);
}
} // namespace TestPacketPeer
#endif // TEST_PACKET_PEER_H

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tests/test_main.cpp
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#include "tests/core/io/test_json.h"
#include "tests/core/io/test_json_native.h"
#include "tests/core/io/test_marshalls.h"
#include "tests/core/io/test_packet_peer.h"
#include "tests/core/io/test_pck_packer.h"
#include "tests/core/io/test_resource.h"
#include "tests/core/io/test_stream_peer.h"