Add unit tests for CryptoKey

.gitignore

@@ -43,6 +43,7 @@ logs/
 
 # Generated by unit tests
 tests/data/*.translation
+tests/data/crypto/out*
 
 ############################
 ### General build output ###

modules/mbedtls/SCsub

@@ -121,6 +121,9 @@ if env["tests"]:
     env_mbed_tls.Append(CPPDEFINES=["TESTS_ENABLED"])
     env_mbed_tls.add_source_files(module_obj, "./tests/*.cpp")
 
+    if env["disable_exceptions"]:
+        env_mbed_tls.Append(CPPDEFINES=["DOCTEST_CONFIG_NO_EXCEPTIONS_BUT_WITH_ALL_ASSERTS"])
+
 env.modules_sources += module_obj
 
 # Needed to force rebuilding the module files when the thirdparty library is updated.

modules/mbedtls/tests/test_crypto_mbedtls.cpp

@@ -33,6 +33,7 @@
 #include "../crypto_mbedtls.h"
 
 #include "tests/test_macros.h"
+#include "tests/test_utils.h"
 
 namespace TestCryptoMbedTLS {
 
@@ -60,4 +61,42 @@ void hmac_context_digest_test(HashingContext::HashType ht, String expected_hex)
 	String hex = String::hex_encode_buffer(digest.ptr(), digest.size());
 	CHECK(hex == expected_hex);
 }
+
+Ref<CryptoKey> create_crypto_key(const String &p_key_path, bool p_public_only) {
+	Ref<CryptoKey> crypto_key = Ref<CryptoKey>(CryptoKey::create());
+	crypto_key->load(p_key_path, p_public_only);
+	return crypto_key;
+}
+
+String read_file_s(const String &p_file_path) {
+	Ref<FileAccess> file_access = FileAccess::open(p_file_path, FileAccess::READ);
+	REQUIRE(file_access.is_valid());
+	return file_access->get_as_utf8_string();
+}
+
+bool files_equal(const String &p_in_path, const String &p_out_path) {
+	const String s_in = read_file_s(p_in_path);
+	const String s_out = read_file_s(p_out_path);
+	return s_in == s_out;
+}
+
+void crypto_key_public_only_test(const String &p_key_path, bool p_public_only) {
+	Ref<CryptoKey> crypto_key = create_crypto_key(p_key_path, p_public_only);
+	bool is_equal = crypto_key->is_public_only() == p_public_only;
+	CHECK(is_equal);
+}
+
+void crypto_key_save_test(const String &p_in_path, const String &p_out_path, bool p_public_only) {
+	Ref<CryptoKey> crypto_key = create_crypto_key(p_in_path, p_public_only);
+	crypto_key->save(p_out_path, p_public_only);
+	bool is_equal = files_equal(p_in_path, p_out_path);
+	CHECK(is_equal);
+}
+
+void crypto_key_save_public_only_test(const String &p_in_priv_path, const String &p_in_pub_path, const String &p_out_path) {
+	Ref<CryptoKey> crypto_key = create_crypto_key(p_in_priv_path, false);
+	crypto_key->save(p_out_path, true);
+	bool is_equal = files_equal(p_in_pub_path, p_out_path);
+	CHECK(is_equal);
+}
 } // namespace TestCryptoMbedTLS

modules/mbedtls/tests/test_crypto_mbedtls.h

@@ -31,9 +31,11 @@
 #ifndef TEST_CRYPTO_MBEDTLS_H
 #define TEST_CRYPTO_MBEDTLS_H
 
+#include "core/crypto/crypto.h"
 #include "core/crypto/hashing_context.h"
 
 #include "tests/test_macros.h"
+#include "tests/test_utils.h"
 
 namespace TestCryptoMbedTLS {
 
@@ -56,6 +58,35 @@ TEST_CASE("[HMACContext] HMAC digest") {
 	// SHA-1
 	hmac_context_digest_test(HashingContext::HashType::HASH_SHA1, "a0ac4cd68a2f4812c355983d94e8d025afe7dddf");
 }
+
+void crypto_key_public_only_test(const String &p_key_path, bool public_only);
+
+TEST_CASE("[Crypto] CryptoKey is_public_only") {
+	crypto_key_public_only_test(TestUtils::get_data_path("crypto/in.key"), false);
+	crypto_key_public_only_test(TestUtils::get_data_path("crypto/in.pub"), true);
+}
+
+void crypto_key_save_test(const String &p_in_path, const String &p_out_path, bool public_only);
+
+TEST_CASE("[Crypto] CryptoKey save") {
+	const String in_priv_path = TestUtils::get_data_path("crypto/in.key");
+	const String out_priv_path = TestUtils::get_data_path("crypto/out.key");
+	crypto_key_save_test(in_priv_path, out_priv_path, false);
+
+	const String in_pub_path = TestUtils::get_data_path("crypto/in.pub");
+	const String out_pub_path = TestUtils::get_data_path("crypto/out.pub");
+	crypto_key_save_test(in_pub_path, out_pub_path, true);
+}
+
+void crypto_key_save_public_only_test(const String &p_in_priv_path, const String &p_in_pub_path, const String &p_out_path);
+
+TEST_CASE("[Crypto] CryptoKey save public_only") {
+	const String in_priv_path = TestUtils::get_data_path("crypto/in.key");
+	const String in_pub_path = TestUtils::get_data_path("crypto/in.pub");
+	const String out_path = TestUtils::get_data_path("crypto/out_public_only.pub");
+	crypto_key_save_public_only_test(in_priv_path, in_pub_path, out_path);
+}
+
 } // namespace TestCryptoMbedTLS
 
 #endif // TEST_CRYPTO_MBEDTLS_H

tests/data/crypto/in.key

@@ -0,0 +1,51 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIIJKQIBAAKCAgEAp+sWMepqN+dXhmZkS45W0FTLX2f0zRb+kUhXngfiEprgA2Uu
+ZP5gGv7/EjOBDniYalGZqYPJum08Px++17P6Hyopr05aPhZ6Ocnt+LAU/WRAFspN
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+FISkNe48bzSYveJ+yZ3myG2fBCGFQmSRJVcauIokPAl6lKF/Vw5DdWp1LYWa
+-----END RSA PRIVATE KEY-----

tests/data/crypto/in.pub

@@ -0,0 +1,14 @@
+-----BEGIN PUBLIC KEY-----
+MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAp+sWMepqN+dXhmZkS45W
+0FTLX2f0zRb+kUhXngfiEprgA2UuZP5gGv7/EjOBDniYalGZqYPJum08Px++17P6
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+Ky7p7dhlyBdwhTmBX3P2mx0CAwEAAQ==
+-----END PUBLIC KEY-----