Merge pull request #49 from OpenVicProject/add/unit-testing

Add unit testing

1 files changed, 172 insertions, 0 deletions

diff --git a/tests/src/v2script/AbstractSyntaxTree.cpp b/tests/src/v2script/AbstractSyntaxTree.cpp
new file mode 100644
index 0000000..c06da08
--- /dev/null
+++ b/tests/src/v2script/AbstractSyntaxTree.cpp
@@ -0,0 +1,172 @@
+#include <string_view>
+#include <type_traits>
+
+#include <openvic-dataloader/NodeLocation.hpp>
+#include <openvic-dataloader/detail/SymbolIntern.hpp>
+#include <openvic-dataloader/v2script/AbstractSyntaxTree.hpp>
+
+#include <dryad/node_map.hpp>
+#include <dryad/tree.hpp>
+
+#include "Helper.hpp"
+#include <range/v3/iterator/operations.hpp>
+#include <range/v3/view/enumerate.hpp>
+#include <range/v3/view/zip.hpp>
+#include <snitch/snitch.hpp>
+
+using namespace ovdl;
+using namespace ovdl::v2script::ast;
+using namespace std::string_view_literals;
+
+struct Ast : SymbolIntern {
+	dryad::tree<FileTree> tree;
+	dryad::node_map<const Node, NodeLocation> map;
+	symbol_interner_type symbol_interner;
+
+	template<typename T, typename... Args>
+	T* create(Args&&... args) {
+		auto node = tree.template create<T>(DRYAD_FWD(args)...);
+		return node;
+	}
+
+	template<typename T, typename... Args>
+	T* create_with_intern(std::string_view view, Args&&... args) {
+		auto intern = symbol_interner.intern(view.data(), view.size());
+		auto node = tree.template create<T>(intern, DRYAD_FWD(args)...);
+		return node;
+	}
+
+	template<typename T, typename... Args>
+	T* create_with_loc(NodeLocation loc, Args&&... args) {
+		auto node = tree.template create<T>(DRYAD_FWD(args)...);
+		set_location(node, loc);
+		return node;
+	}
+
+	template<typename T, typename... Args>
+	T* create_with_loc_and_intern(NodeLocation loc, std::string_view view, Args&&... args) {
+		auto intern = symbol_interner.intern(view.data(), view.size());
+		auto node = tree.template create<T>(intern, DRYAD_FWD(args)...);
+		set_location(node, loc);
+		return node;
+	}
+
+	void set_location(const Node* n, NodeLocation loc) {
+		map.insert(n, loc);
+	}
+
+	NodeLocation location_of(const Node* n) const {
+		auto result = map.lookup(n);
+		if (result == nullptr)
+			return {};
+		return *result;
+	}
+};
+
+TEST_CASE("V2Script Nodes", "[v2script-nodes]") {
+	Ast ast;
+
+	auto* id = ast.create_with_intern<IdentifierValue>("id");
+	CHECK_IF(id) {
+		CHECK(id->kind() == NodeKind::IdentifierValue);
+		CHECK(id->value(ast.symbol_interner) == "id"sv);
+	}
+
+	auto* str = ast.create_with_intern<StringValue>("str");
+	CHECK_IF(str) {
+		CHECK(str->kind() == NodeKind::StringValue);
+		CHECK(str->value(ast.symbol_interner) == "str"sv);
+	}
+
+	auto* list = ast.create<ListValue>();
+	CHECK_IF(list) {
+		CHECK(list->kind() == NodeKind::ListValue);
+	}
+
+	auto* null = ast.create<NullValue>();
+	CHECK_IF(null) {
+		CHECK(null->kind() == NodeKind::NullValue);
+	}
+
+	auto* event = ast.create<EventStatement>(false, list);
+	CHECK_IF(event) {
+		CHECK(event->kind() == NodeKind::EventStatement);
+		CHECK(!event->is_province_event());
+		CHECK(event->right() == list);
+	}
+
+	auto* assign = ast.create<AssignStatement>(id, str);
+	CHECK_IF(assign) {
+		CHECK(assign->kind() == NodeKind::AssignStatement);
+		CHECK(assign->left() == id);
+		CHECK(assign->right() == str);
+	}
+
+	auto* value_statement = ast.create<ValueStatement>(null);
+	CHECK_IF(value_statement) {
+		CHECK(value_statement->kind() == NodeKind::ValueStatement);
+		CHECK(value_statement->value() == null);
+	}
+
+	if (!assign || !value_statement || !event || !null || !list || !str || !id) {
+		return;
+	}
+
+	StatementList statement_list {};
+	statement_list.push_back(assign);
+	statement_list.push_back(value_statement);
+	statement_list.push_back(event);
+	CHECK_FALSE(statement_list.empty());
+	CHECK(ranges::distance(statement_list) == 3);
+
+	for (const auto [statement_list_index, statement] : statement_list | ranges::views::enumerate) {
+		CAPTURE(statement_list_index);
+		CHECK_OR_CONTINUE(statement);
+		switch (statement_list_index) {
+			case 0: CHECK_OR_CONTINUE(statement == assign); break;
+			case 1: CHECK_OR_CONTINUE(statement == value_statement); break;
+			case 2: CHECK_OR_CONTINUE(statement == event); break;
+			default: CHECK_OR_CONTINUE(false); break;
+		}
+	}
+
+	auto* file_tree = ast.create<FileTree>(statement_list);
+	CHECK_IF(file_tree) {
+		CHECK(file_tree->kind() == NodeKind::FileTree);
+
+		const auto statements = file_tree->statements();
+		CHECK_FALSE(statements.empty());
+		CHECK(ranges::distance(statements) == 3);
+
+		for (const auto [statement, list_statement] : ranges::views::zip(statements, statement_list)) {
+			CHECK_OR_CONTINUE(list_statement);
+			CHECK_OR_CONTINUE(statement);
+			CHECK_OR_CONTINUE(statement == list_statement);
+		}
+	}
+
+	ast.tree.set_root(file_tree);
+	CHECK(ast.tree.has_root());
+	CHECK(ast.tree.root() == file_tree);
+
+	ast.tree.clear();
+	CHECK_FALSE(ast.tree.has_root());
+	CHECK(ast.tree.root() != file_tree);
+}
+
+TEST_CASE("V2Script Nodes Location", "[v2script-nodes-location]") {
+	Ast ast;
+
+	constexpr auto fake_buffer = "id"sv;
+
+	auto* id = ast.create_with_loc_and_intern<IdentifierValue>(NodeLocation::make_from(&fake_buffer[0], &fake_buffer[1]), "id");
+
+	CHECK_IF(id) {
+		CHECK(id->value(ast.symbol_interner) == "id"sv);
+
+		auto location = ast.location_of(id);
+		CHECK_FALSE(location.is_synthesized());
+		CHECK(location.begin() == &fake_buffer[0]);
+		CHECK(location.end() - 1 == &fake_buffer[1]);
+	}
+}
\ No newline at end of file