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

Add unit testing

1 files changed, 437 insertions, 0 deletions

diff --git a/tests/src/v2script/Parser.cpp b/tests/src/v2script/Parser.cpp
new file mode 100644
index 0000000..5ddc49d
--- /dev/null
+++ b/tests/src/v2script/Parser.cpp
@@ -0,0 +1,437 @@
+#include <filesystem>
+#include <fstream>
+#include <string_view>
+
+#include <openvic-dataloader/v2script/AbstractSyntaxTree.hpp>
+#include <openvic-dataloader/v2script/Parser.hpp>
+
+#include <dryad/node.hpp>
+
+#include "Helper.hpp"
+#include <detail/NullBuff.hpp>
+#include <range/v3/iterator/operations.hpp>
+#include <range/v3/view/enumerate.hpp>
+#include <snitch/snitch.hpp>
+
+using namespace ovdl;
+using namespace v2script;
+using namespace std::string_view_literals;
+
+static constexpr auto simple_buffer = "a = b"sv;
+static constexpr auto simple_path = "file.txt"sv;
+
+static void SetupFile(std::string_view path) {
+	std::ofstream stream(path.data());
+	stream << simple_buffer << std::flush;
+}
+
+#define CHECK_PARSE(...)                               \
+	CHECK_OR_RETURN(parser.get_errors().empty());      \
+	CHECK_OR_RETURN(parser.simple_parse(__VA_ARGS__)); \
+	CHECK_OR_RETURN(parser.get_errors().empty())
+
+TEST_CASE("V2Script Memory Buffer (data, size) Simple Parse", "[v2script-memory-simple-parse][buffer][data-size]") {
+	Parser parser(ovdl::detail::cnull);
+
+	parser.load_from_buffer(simple_buffer.data(), simple_buffer.size());
+
+	CHECK_PARSE();
+}
+
+TEST_CASE("V2Script Memory Buffer (begin, end) Simple Parse", "[v2script-memory-simple-parse][buffer][begin-end]") {
+	Parser parser(ovdl::detail::cnull);
+
+	parser.load_from_buffer(simple_buffer.data(), simple_buffer.data() + simple_buffer.size());
+
+	CHECK_PARSE();
+}
+
+TEST_CASE("V2Script Memory Buffer String Simple Parse", "[v2script-memory-simple-parse][buffer][string]") {
+	Parser parser(ovdl::detail::cnull);
+
+	parser.load_from_string(simple_buffer);
+
+	CHECK_PARSE();
+}
+
+TEST_CASE("V2Script File (const char*) Simple Parse", "[v2script-file-simple-parse][char-ptr]") {
+	SetupFile(simple_path);
+
+	Parser parser(ovdl::detail::cnull);
+
+	parser.load_from_file(simple_path.data());
+
+	std::filesystem::remove(simple_path);
+
+	CHECK_PARSE();
+}
+
+TEST_CASE("V2Script File (filesystem::path) Simple Parse", "[v2script-file-simple-parse][filesystem-path]") {
+	SetupFile(simple_path);
+
+	Parser parser(ovdl::detail::cnull);
+
+	parser.load_from_file(std::filesystem::path(simple_path));
+
+	std::filesystem::remove(simple_path);
+
+	CHECK_PARSE();
+}
+
+TEST_CASE("V2Script File (HasCstr) Simple Parse", "[v2script-file-simple-parse][has-cstr]") {
+	SetupFile(simple_path);
+
+	Parser parser(ovdl::detail::cnull);
+
+	parser.load_from_file(std::string { simple_path });
+
+	std::filesystem::remove(simple_path);
+
+	CHECK_PARSE();
+}
+
+TEST_CASE("V2Script Identifier Simple Parse", "[v2script-id-simple-parse]") {
+	Parser parser(ovdl::detail::cnull);
+
+	SECTION("a = b") {
+		static constexpr auto buffer = "a = b"sv;
+		parser.load_from_string(buffer);
+
+		CHECK_PARSE();
+
+		const ast::FileTree* file_tree = parser.get_file_node();
+		CHECK(file_tree);
+
+		const auto statements = file_tree->statements();
+		CHECK_FALSE(statements.empty());
+		CHECK(ranges::distance(statements) == 1);
+
+		const ast::Statement* statement = statements.front();
+		CHECK(statement);
+
+		const auto* assign = dryad::node_try_cast<ast::AssignStatement>(statement);
+		CHECK(assign);
+		CHECK(assign->left());
+		CHECK(assign->right());
+
+		const auto* left = dryad::node_try_cast<ast::IdentifierValue>(assign->left());
+		CHECK_IF(left) {
+			CHECK(parser.value(left) == "a"sv);
+		}
+
+		const auto* right = dryad::node_try_cast<ast::IdentifierValue>(assign->right());
+		CHECK_IF(right) {
+			CHECK(parser.value(right) == "b"sv);
+		}
+	}
+
+	SECTION("a b c d") {
+		static constexpr auto buffer = "a b c d"sv;
+		parser.load_from_string(buffer);
+
+		CHECK_PARSE();
+
+		const ast::FileTree* file_tree = parser.get_file_node();
+		CHECK(file_tree);
+
+		const auto statements = file_tree->statements();
+		CHECK_FALSE(statements.empty());
+		CHECK(ranges::distance(statements) == 4);
+
+		for (const auto [statement_index, statement] : statements | ranges::views::enumerate) {
+			CHECK_OR_CONTINUE(statement);
+
+			const auto* value_statement = dryad::node_try_cast<ast::ValueStatement>(statement);
+			CHECK_OR_CONTINUE(value_statement);
+
+			const auto* value = dryad::node_try_cast<ast::IdentifierValue>(value_statement->value());
+			CHECK_OR_CONTINUE(value);
+			switch (statement_index) {
+				case 0: CHECK_OR_CONTINUE(parser.value(value) == "a"sv); break;
+				case 1: CHECK_OR_CONTINUE(parser.value(value) == "b"sv); break;
+				case 2: CHECK_OR_CONTINUE(parser.value(value) == "c"sv); break;
+				case 3: CHECK_OR_CONTINUE(parser.value(value) == "d"sv); break;
+				default: CHECK_OR_CONTINUE(false); break;
+			}
+		}
+	}
+
+	SECTION("a = { a = b }") {
+		static constexpr auto buffer = "a = { a = b }"sv;
+		parser.load_from_string(buffer);
+
+		CHECK_PARSE();
+
+		const ast::FileTree* file_tree = parser.get_file_node();
+		CHECK(file_tree);
+
+		const auto statements = file_tree->statements();
+		CHECK_FALSE(statements.empty());
+		CHECK(ranges::distance(statements) == 1);
+
+		const ast::Statement* statement = statements.front();
+		CHECK(statement);
+
+		const auto* assign = dryad::node_try_cast<ast::AssignStatement>(statement);
+		CHECK(assign);
+		CHECK(assign->left());
+		CHECK(assign->right());
+
+		const auto* left = dryad::node_try_cast<ast::IdentifierValue>(assign->left());
+		CHECK_IF(left) {
+			CHECK(parser.value(left) == "a"sv);
+		}
+
+		const auto* right = dryad::node_try_cast<ast::ListValue>(assign->right());
+		CHECK_IF(right) {
+			const auto inner_statements = right->statements();
+			CHECK_FALSE(inner_statements.empty());
+			CHECK(ranges::distance(inner_statements) == 1);
+
+			const ast::Statement* inner_statement = inner_statements.front();
+			CHECK(inner_statement);
+
+			const auto* inner_assign = dryad::node_try_cast<ast::AssignStatement>(inner_statement);
+			CHECK(inner_assign);
+			CHECK(inner_assign->left());
+			CHECK(inner_assign->right());
+
+			const auto* inner_left = dryad::node_try_cast<ast::IdentifierValue>(inner_assign->left());
+			CHECK_IF(inner_left) {
+				CHECK(parser.value(inner_left) == "a"sv);
+			}
+
+			const auto* inner_right = dryad::node_try_cast<ast::IdentifierValue>(inner_assign->right());
+			CHECK_IF(inner_right) {
+				CHECK(parser.value(inner_right) == "b"sv);
+			}
+		}
+	}
+
+	SECTION("a = { { a } }") {
+		static constexpr auto buffer = "a = { { a } }"sv;
+		parser.load_from_string(buffer);
+
+		CHECK_PARSE();
+
+		const ast::FileTree* file_tree = parser.get_file_node();
+		CHECK(file_tree);
+
+		const auto statements = file_tree->statements();
+		CHECK_FALSE(statements.empty());
+		CHECK(ranges::distance(statements) == 1);
+
+		const ast::Statement* statement = statements.front();
+		CHECK(statement);
+
+		const auto* assign = dryad::node_try_cast<ast::AssignStatement>(statement);
+		CHECK(assign);
+		CHECK(assign->left());
+		CHECK(assign->right());
+
+		const auto* left = dryad::node_try_cast<ast::IdentifierValue>(assign->left());
+		CHECK_IF(left) {
+			CHECK(parser.value(left) == "a"sv);
+		}
+
+		const auto* right = dryad::node_try_cast<ast::ListValue>(assign->right());
+		CHECK_IF(right) {
+			const auto inner_statements = right->statements();
+			CHECK_FALSE(inner_statements.empty());
+			CHECK(ranges::distance(inner_statements) == 1);
+
+			const ast::Statement* inner_statement = inner_statements.front();
+			CHECK(inner_statement);
+
+			const auto* value_statement = dryad::node_try_cast<ast::ValueStatement>(inner_statement);
+			CHECK(value_statement);
+
+			const auto* list_value = dryad::node_try_cast<ast::ListValue>(value_statement->value());
+			CHECK(list_value);
+
+			const auto list_statements = list_value->statements();
+			CHECK_FALSE(list_statements.empty());
+			CHECK(ranges::distance(list_statements) == 1);
+
+			const auto* inner_value_statement = dryad::node_try_cast<ast::ValueStatement>(list_statements.front());
+			CHECK(inner_value_statement);
+
+			const auto* id_value = dryad::node_try_cast<ast::IdentifierValue>(inner_value_statement->value());
+			CHECK(id_value);
+			CHECK(parser.value(id_value) == "a"sv);
+		}
+	}
+}
+
+TEST_CASE("V2Script String Simple Parse", "[v2script-id-simple-parse]") {
+	Parser parser(ovdl::detail::cnull);
+
+	SECTION("a = \"b\"") {
+		static constexpr auto buffer = "a = \"b\""sv;
+		parser.load_from_string(buffer);
+
+		CHECK_PARSE();
+
+		const ast::FileTree* file_tree = parser.get_file_node();
+		CHECK(file_tree);
+
+		const auto statements = file_tree->statements();
+		CHECK_FALSE(statements.empty());
+		CHECK(ranges::distance(statements) == 1);
+
+		const ast::Statement* statement = statements.front();
+		CHECK(statement);
+
+		const auto* assign = dryad::node_try_cast<ast::AssignStatement>(statement);
+		CHECK(assign);
+		CHECK(assign->left());
+		CHECK(assign->right());
+
+		const auto* left = dryad::node_try_cast<ast::IdentifierValue>(assign->left());
+		CHECK_IF(left) {
+			CHECK(parser.value(left) == "a"sv);
+		}
+
+		const auto* right = dryad::node_try_cast<ast::StringValue>(assign->right());
+		CHECK_IF(right) {
+			CHECK(parser.value(right) == "b"sv);
+		}
+	}
+
+	SECTION("\"a\" \"b\" \"c\" \"d\"") {
+		static constexpr auto buffer = "\"a\" \"b\" \"c\" \"d\""sv;
+		parser.load_from_string(buffer);
+
+		CHECK_PARSE();
+
+		const ast::FileTree* file_tree = parser.get_file_node();
+		CHECK(file_tree);
+
+		const auto statements = file_tree->statements();
+		CHECK_FALSE(statements.empty());
+		CHECK(ranges::distance(statements) == 4);
+
+		for (const auto [statement_index, statement] : statements | ranges::views::enumerate) {
+			CHECK_OR_CONTINUE(statement);
+
+			const auto* value_statement = dryad::node_try_cast<ast::ValueStatement>(statement);
+			CHECK_OR_CONTINUE(value_statement);
+
+			const auto* value = dryad::node_try_cast<ast::StringValue>(value_statement->value());
+			CHECK_OR_CONTINUE(value);
+			switch (statement_index) {
+				case 0: CHECK_OR_CONTINUE(parser.value(value) == "a"sv); break;
+				case 1: CHECK_OR_CONTINUE(parser.value(value) == "b"sv); break;
+				case 2: CHECK_OR_CONTINUE(parser.value(value) == "c"sv); break;
+				case 3: CHECK_OR_CONTINUE(parser.value(value) == "d"sv); break;
+				default: CHECK_OR_CONTINUE(false); break;
+			}
+		}
+	}
+
+	SECTION("a = { a = \"b\" }") {
+		static constexpr auto buffer = "a = { a = \"b\" }"sv;
+		parser.load_from_string(buffer);
+
+		CHECK_PARSE();
+
+		const ast::FileTree* file_tree = parser.get_file_node();
+		CHECK(file_tree);
+
+		const auto statements = file_tree->statements();
+		CHECK_FALSE(statements.empty());
+		CHECK(ranges::distance(statements) == 1);
+
+		const ast::Statement* statement = file_tree->statements().front();
+		CHECK(statement);
+
+		const auto* assign = dryad::node_try_cast<ast::AssignStatement>(statement);
+		CHECK(assign);
+		CHECK(assign->left());
+		CHECK(assign->right());
+
+		const auto* left = dryad::node_try_cast<ast::IdentifierValue>(assign->left());
+		CHECK_IF(left) {
+			CHECK(parser.value(left) == "a"sv);
+		}
+
+		const auto* right = dryad::node_try_cast<ast::ListValue>(assign->right());
+		CHECK_IF(right) {
+			const auto inner_statements = right->statements();
+			CHECK_FALSE(inner_statements.empty());
+			CHECK(ranges::distance(inner_statements) == 1);
+
+			const ast::Statement* inner_statement = inner_statements.front();
+			CHECK(inner_statement);
+
+			const auto* inner_assign = dryad::node_try_cast<ast::AssignStatement>(inner_statement);
+			CHECK(inner_assign);
+			CHECK(inner_assign->left());
+			CHECK(inner_assign->right());
+
+			const auto* inner_left = dryad::node_try_cast<ast::IdentifierValue>(inner_assign->left());
+			CHECK_IF(inner_left) {
+				CHECK(parser.value(inner_left) == "a"sv);
+			}
+
+			const auto* inner_right = dryad::node_try_cast<ast::StringValue>(inner_assign->right());
+			CHECK_IF(inner_right) {
+				CHECK(parser.value(inner_right) == "b"sv);
+			}
+		}
+	}
+
+	SECTION("a = { { \"a\" } }") {
+		static constexpr auto buffer = "a = { { \"a\" } }"sv;
+		parser.load_from_string(buffer);
+
+		CHECK_PARSE();
+
+		const ast::FileTree* file_tree = parser.get_file_node();
+		CHECK(file_tree);
+
+		const auto statements = file_tree->statements();
+		CHECK_FALSE(statements.empty());
+		CHECK(ranges::distance(statements) == 1);
+
+		const ast::Statement* statement = statements.front();
+		CHECK(statement);
+
+		const auto* assign = dryad::node_try_cast<ast::AssignStatement>(statement);
+		CHECK(assign);
+		CHECK(assign->left());
+		CHECK(assign->right());
+
+		const auto* left = dryad::node_try_cast<ast::IdentifierValue>(assign->left());
+		CHECK_IF(left) {
+			CHECK(parser.value(left) == "a"sv);
+		}
+
+		const auto* right = dryad::node_try_cast<ast::ListValue>(assign->right());
+		CHECK_IF(right) {
+			const auto inner_statements = right->statements();
+			CHECK_FALSE(inner_statements.empty());
+			CHECK(ranges::distance(inner_statements) == 1);
+
+			const ast::Statement* inner_statement = inner_statements.front();
+			CHECK(inner_statement);
+
+			const auto* value_statement = dryad::node_try_cast<ast::ValueStatement>(inner_statement);
+			CHECK(value_statement);
+
+			const auto* list_value = dryad::node_try_cast<ast::ListValue>(value_statement->value());
+			CHECK(list_value);
+
+			const auto list_statements = list_value->statements();
+			CHECK_FALSE(list_statements.empty());
+			CHECK(ranges::distance(list_statements) == 1);
+
+			const auto* inner_value_statement = dryad::node_try_cast<ast::ValueStatement>(list_statements.front());
+			CHECK_OR_RETURN(inner_value_statement);
+
+			const auto* str_value = dryad::node_try_cast<ast::StringValue>(inner_value_statement->value());
+			CHECK_OR_RETURN(str_value);
+			CHECK(parser.value(str_value) == "a"sv);
+		}
+	}
+}
\ No newline at end of file