update(tests): add tests for plugin init_config

Signed-off-by: Luca Guerra <[email protected]>

Author: LucaGuerra

unit_tests/falco/test_configuration_schema.cpp

@@ -104,6 +104,7 @@ TEST(Configuration, plugin_init_config) {
 
 	EXPECT_NO_THROW(res = falco_config.init_from_content(config, {}));
 	EXPECT_VALIDATION_STATUS(res, yaml_helper::validation_ok);
+	EXPECT_EQ(res.m_config.m_plugins[0].m_init_config, R"({"maxEventSize": 262144, "sslCertificate": "/etc/falco/falco.pem"})");
 
 	config = R"(
 plugins:
@@ -114,6 +115,29 @@ TEST(Configuration, plugin_init_config) {
 
 	EXPECT_NO_THROW(res = falco_config.init_from_content(config, {}));
 	EXPECT_VALIDATION_STATUS(res, yaml_helper::validation_ok);
+	EXPECT_EQ(res.m_config.m_plugins[0].m_init_config, R"({"maxEventSize": 262144, "sslCertificate": "/etc/falco/falco.pem"})");
+
+	config = R"(
+plugins:
+  - name: k8saudit
+    library_path: libk8saudit.so
+    init_config: ""
+)";
+
+	EXPECT_NO_THROW(res = falco_config.init_from_content(config, {}));
+	EXPECT_VALIDATION_STATUS(res, yaml_helper::validation_ok);
+	EXPECT_EQ(res.m_config.m_plugins[0].m_init_config, "");
+
+	config = R"(
+plugins:
+  - name: k8saudit
+    library_path: libk8saudit.so
+    init_config: null
+)";
+
+	EXPECT_NO_THROW(res = falco_config.init_from_content(config, {}));
+	EXPECT_VALIDATION_STATUS(res, yaml_helper::validation_ok);
+	EXPECT_EQ(res.m_config.m_plugins[0].m_init_config, "");
 }
 
 TEST(Configuration, schema_yaml_helper_validator) {