1 files changed, 107 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/test/cppsuite/test_harness/configuration_settings.h b/src/third_party/wiredtiger/test/cppsuite/test_harness/configuration_settings.h
new file mode 100644
index 00000000000..9f1d43773c9
--- /dev/null
+++ b/src/third_party/wiredtiger/test/cppsuite/test_harness/configuration_settings.h
@@ -0,0 +1,107 @@
+/* Include guard. */
+#ifndef CONFIGURATION_SETTINGS_H
+#define CONFIGURATION_SETTINGS_H
+
+#include "wt_internal.h"
+#include <string>
+#include <stdexcept>
+
+namespace test_harness {
+class configuration {
+    private:
+    std::string _config;
+    WT_CONFIG_PARSER *_config_parser;
+
+    public:
+    configuration(const char *test_config_name, const char *config) : _config(config)
+    {
+        int ret = wiredtiger_config_parser_open(nullptr, config, strlen(config), &_config_parser);
+        if (ret != 0)
+            throw std::invalid_argument(
+              "failed to create configuration parser for provided config");
+        if (wiredtiger_test_config_validate(nullptr, nullptr, test_config_name, config) != 0)
+            throw std::invalid_argument(
+              "failed to validate given config, ensure test config exists");
+    }
+
+    configuration(const char *test_config_name, const WT_CONFIG_ITEM &nested)
+    {
+        if (nested.type != WT_CONFIG_ITEM::WT_CONFIG_ITEM_STRUCT)
+            throw std::invalid_argument("provided config item isn't a structure");
+        int ret = wiredtiger_config_parser_open(nullptr, nested.str, nested.len, &_config_parser);
+        if (ret != 0)
+            throw std::invalid_argument(
+              "failed to create configuration parser for provided sub config");
+    }
+
+    ~configuration()
+    {
+        if (_config_parser != nullptr) {
+            _config_parser->close(_config_parser);
+            _config_parser = nullptr;
+        }
+    }
+
+    std::string
+    get_config()
+    {
+        return _config;
+    }
+
+    /*
+     * Wrapper functions for retrieving basic configuration values. Ideally the tests can avoid
+     * using the config item struct provided by wiredtiger. However if they still wish to use it the
+     * get and next functions can be used.
+     */
+    int
+    get_string(const char *key, std::string &value)
+    {
+        WT_CONFIG_ITEM temp_value;
+        WT_RET(_config_parser->get(_config_parser, key, &temp_value));
+        if (temp_value.type != WT_CONFIG_ITEM::WT_CONFIG_ITEM_STRING ||
+          temp_value.type != WT_CONFIG_ITEM::WT_CONFIG_ITEM_ID)
+            return (-1);
+        value = std::string(temp_value.str, temp_value.len);
+        return (0);
+    }
+
+    int
+    get_bool(const char *key, bool &value)
+    {
+        WT_CONFIG_ITEM temp_value;
+        WT_RET(_config_parser->get(_config_parser, key, &temp_value));
+        if (temp_value.type != WT_CONFIG_ITEM::WT_CONFIG_ITEM_BOOL)
+            return (-1);
+        value = temp_value.val != 0;
+        return (0);
+    }
+
+    int
+    get_int(const char *key, int64_t &value)
+    {
+        WT_CONFIG_ITEM temp_value;
+        WT_RET(_config_parser->get(_config_parser, key, &temp_value));
+        if (temp_value.type != WT_CONFIG_ITEM::WT_CONFIG_ITEM_NUM)
+            return (-1);
+        value = temp_value.val;
+        return (0);
+    }
+
+    /*
+     * Basic configuration parsing helper functions.
+     */
+    int
+    next(WT_CONFIG_ITEM *key, WT_CONFIG_ITEM *value)
+    {
+        return _config_parser->next(_config_parser, key, value);
+    }
+
+    int
+    get(const char *key, WT_CONFIG_ITEM *value)
+    {
+        return _config_parser->get(_config_parser, key, value);
+    }
+};
+} // namespace test_harness
+
+#endif