Add HTTPClient unit tests

tests/core/io/test_http_client.h

@@ -0,0 +1,106 @@
+/**************************************************************************/
+/*  test_http_client.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_HTTP_CLIENT_H
+#define TEST_HTTP_CLIENT_H
+
+#include "core/io/http_client.h"
+
+#include "tests/test_macros.h"
+
+namespace TestHTTPClient {
+
+TEST_CASE("[HTTPClient] Instantiation") {
+	Ref<HTTPClient> client = HTTPClient::create();
+	CHECK_MESSAGE(client != nullptr, "A HTTP Client created should not be a null pointer");
+}
+
+TEST_CASE("[HTTPClient] query_string_from_dict") {
+	Ref<HTTPClient> client = HTTPClient::create();
+	Dictionary empty_dict;
+	String empty_query = client->query_string_from_dict(empty_dict);
+	CHECK_MESSAGE(empty_query.is_empty(), "A empty dictionary should return a empty string");
+
+	Dictionary dict1;
+	dict1["key"] = "value";
+	String single_key = client->query_string_from_dict(dict1);
+	CHECK_MESSAGE(single_key == "key=value", "The query should return key=value for every string in the dictionary");
+
+	// Check Dictionary with multiple values of different types.
+	Dictionary dict2;
+	dict2["key1"] = "value";
+	dict2["key2"] = 123;
+	Array values;
+	values.push_back(1);
+	values.push_back(2);
+	values.push_back(3);
+	dict2["key3"] = values;
+	dict2["key4"] = Variant();
+	String multiple_keys = client->query_string_from_dict(dict2);
+	CHECK_MESSAGE(multiple_keys == "key1=value&key2=123&key3=1&key3=2&key3=3&key4",
+			"The query should return key=value for every string in the dictionary. Pairs should be separated by &, arrays should be have a query for every element, and variants should have empty values");
+}
+
+TEST_CASE("[HTTPClient] verify_headers") {
+	Ref<HTTPClient> client = HTTPClient::create();
+	Vector<String> headers = { "Accept: text/html", "Content-Type: application/json", "Authorization: Bearer abc123" };
+
+	Error err = client->verify_headers(headers);
+	CHECK_MESSAGE(err == OK, "Expected OK for valid headers");
+
+	ERR_PRINT_OFF;
+	Vector<String> empty_header = { "" };
+	err = client->verify_headers(empty_header);
+	CHECK_MESSAGE(err == ERR_INVALID_PARAMETER, "Expected ERR_INVALID_PARAMETER for empty header");
+
+	Vector<String> invalid_header = { "InvalidHeader", "Header: " };
+	err = client->verify_headers(invalid_header);
+	CHECK_MESSAGE(err == ERR_INVALID_PARAMETER, "Expected ERR_INVALID_PARAMETER for header with no colon");
+
+	Vector<String> invalid_header_b = { ":", "Header: " };
+	err = client->verify_headers(invalid_header_b);
+	CHECK_MESSAGE(err == ERR_INVALID_PARAMETER, "Expected ERR_INVALID_PARAMETER for header with colon in first position");
+	ERR_PRINT_ON;
+}
+
+TEST_CASE("[HTTPClient] connect_to_host") {
+	Ref<HTTPClient> client = HTTPClient::create();
+	String host = "https://www.example.com";
+	int port = 443;
+	Ref<TLSOptions> tls_options;
+
+	// Connect to host.
+	Error err = client->connect_to_host(host, port, tls_options);
+	CHECK_MESSAGE(err == OK, "Expected OK for successful connection");
+}
+
+} // namespace TestHTTPClient
+
+#endif // TEST_HTTP_CLIENT_H

tests/test_main.cpp

@@ -36,6 +36,7 @@
 #include "tests/core/input/test_shortcut.h"
 #include "tests/core/io/test_config_file.h"
 #include "tests/core/io/test_file_access.h"
+#include "tests/core/io/test_http_client.h"
 #include "tests/core/io/test_image.h"
 #include "tests/core/io/test_json.h"
 #include "tests/core/io/test_marshalls.h"