Test: Implement simple TestSuite/TestCase

test/macro.h

@@ -12,7 +12,9 @@
 #define EXPECT_EQ(a, b)                                                       \
 	if (a != b) {                                                             \
 		std::cout << "FAIL: " << __FILE__ << ":" << __LINE__                  \
-		          << ": EXPECT_EQ(" << #a << ", " << #b ") failed with lhs=" << a << " and rhs=" << b << std::endl; \
+				  << ": EXPECT_EQ(" << #a << ", " << #b ") failed with"       \
+				  << " lhs='" << a << "' and rhs='" << b << "'" << std::endl; \
+		Test::TestSuite::the().currentTestCaseFailed();                       \
 	}
 
 #endif // TEST_H

test/main.cpp

@@ -1,120 +1,8 @@
-#include <cstdio> // fopen, printf, stdout
+#include "testsuite.h"
-#include <string>
-#include <vector>
-
-#include "macro.h"
-#include "util/argparser.h"
-
-FILE* output;
-FILE* null;
-
-bool runParser(std::vector<const char*> arguments, std::function<void(Util::ArgParser&)> initializer = {})
-{
-	stdout = null;
-
-	Util::ArgParser parser;
-	if (initializer) {
-		initializer(parser);
-	}
-
-	arguments.insert(arguments.begin(), "app");
-	auto result = parser.parse(arguments.size(), arguments.data());
-
-	stdout = output;
-	return result;
-}
 
 int main(int, const char*[])
 {
-	output = stdout;
+	Test::TestSuite::the().run();
-	null = fopen("/dev/null", "w"); // Windows: nul
-
-	printf("Test project\n");
-
-	// No arguments
-	{
-		auto result = runParser({});
-		EXPECT_EQ(result, true);
-	}
-
-	// Bool options
-	{
-		// Short option
-		bool boolOpt1 = false;
-		auto result = runParser({ "-b" }, [&](auto& parser) {
-			parser.addOption(boolOpt1, 'b', nullptr, nullptr, nullptr);
-		});
-		EXPECT_EQ(result, true);
-		EXPECT_EQ(boolOpt1, true);
-	}
-	{
-		// Short option, not given
-		bool boolOpt1 = false;
-		auto result = runParser({}, [&](auto& parser) {
-			parser.addOption(boolOpt1, 'b', nullptr, nullptr, nullptr);
-		});
-		EXPECT_EQ(result, true);
-		EXPECT_EQ(boolOpt1, false);
-	}
-	{
-		// Long option
-		bool boolOpt1 = false;
-		auto result = runParser({ "--bool" }, [&](auto& parser) {
-			parser.addOption(boolOpt1, '\0', "bool", nullptr, nullptr);
-		});
-		EXPECT_EQ(result, true);
-		EXPECT_EQ(boolOpt1, true);
-	}
-	{
-		// Long option, not given
-		bool boolOpt1 = false;
-		auto result = runParser({}, [&](auto& parser) {
-			parser.addOption(boolOpt1, '\0', "bool", nullptr, nullptr);
-		});
-		EXPECT_EQ(result, true);
-		EXPECT_EQ(boolOpt1, false);
-	}
-	{
-		// Allow both short and long option, provide short
-		bool boolOpt1 = false;
-		auto result = runParser({ "-b" }, [&](auto& parser) {
-			parser.addOption(boolOpt1, 'b', "bool", nullptr, nullptr);
-		});
-		EXPECT_EQ(result, true);
-		EXPECT_EQ(boolOpt1, true);
-	}
-	{
-		// Allow both short and long option, provide long
-		bool boolOpt1 = false;
-		auto result = runParser({ "--bool" }, [&](auto& parser) {
-			parser.addOption(boolOpt1, 'b', "bool", nullptr, nullptr);
-		});
-		EXPECT_EQ(result, true);
-		EXPECT_EQ(boolOpt1, true);
-	}
-	{
-		// Allow both short and long option, provide both
-		bool boolOpt1 = false;
-		auto result = runParser({ "-b", "--bool" }, [&](auto& parser) {
-			parser.addOption(boolOpt1, 'b', "bool", nullptr, nullptr);
-		});
-		EXPECT_EQ(result, true);
-		EXPECT_EQ(boolOpt1, true);
-	}
-
-	// ..
-	{
-		//
-		bool boolOpt1 = false;
-		std::string stringOpt1 = "";
-		auto result = runParser({ "-b", "something", "-s", "my-value" }, [&](auto& parser) {
-			parser.addOption(boolOpt1, 'b', nullptr, nullptr, nullptr);
-			parser.addOption(stringOpt1, 's', nullptr, nullptr, nullptr, nullptr, Util::ArgParser::Required::Yes);
-		});
-		EXPECT_EQ(result, true);
-		EXPECT_EQ(boolOpt1, true);
-		EXPECT_EQ(stringOpt1, "");
-	}
 
 	// // bool tests
 	// test('o', "option", { "-o" },         true);
@@ -150,8 +38,5 @@ int main(int, const char*[])
 	// ./help -o something -a my-value
 	// -a has required argument, but something should stop option parsing
 
-	printf("Completed running tests\n");
-
-	fclose(null);
 	return 0;
 }

test/testcase.h

@@ -0,0 +1,45 @@
+#ifndef TEST_CASE_H
+#define TEST_CASE_H
+
+#include <functional>
+#include <string>
+
+#define __TEST_CASE_FUNCTION(x) __test##x
+#define __TEST_CASE_STRUCT(x) __testStruct##x
+
+#define TEST_CASE(x)                                               \
+	static void __TEST_CASE_FUNCTION(x)();                         \
+	struct __TEST_CASE_STRUCT(x) {                                 \
+		__TEST_CASE_STRUCT(x)                                      \
+		()                                                         \
+		{                                                          \
+			Test::TestSuite::the().addCase(                        \
+				*new Test::TestCase(#x, __TEST_CASE_FUNCTION(x))); \
+		}                                                          \
+	};                                                             \
+	static struct __TEST_CASE_STRUCT(x) __TEST_CASE_STRUCT(x);     \
+	static void __TEST_CASE_FUNCTION(x)()
+
+namespace Test {
+
+using testFunction = std::function<void()>;
+
+class TestCase {
+public:
+	TestCase(const char* name, testFunction&& function)
+		: m_name(name)
+		, m_function(function)
+	{
+	}
+
+	const char* name() const { return m_name; }
+	const testFunction& function() const { return m_function; }
+
+private:
+	const char* m_name { nullptr };
+	testFunction m_function;
+};
+
+} // namespace Test
+
+#endif // TEST_CASE_H

test/testsuite.cpp

@@ -0,0 +1,40 @@
+#include <cstddef> // size_t
+#include <cstdio> // fclose, fopen, printf, stdout
+
+#include "testsuite.h"
+
+namespace Test {
+
+TestSuite::TestSuite(s)
+{
+	m_outputStd = stdout;
+	m_outputNull = fopen("/dev/null", "w"); // Windows: nul
+}
+
+TestSuite::~TestSuite()
+{
+	fclose(m_outputNull);
+}
+
+void TestSuite::run()
+{
+	printf("TestSuite: %d cases have been added!\n", (int)m_cases.size());
+
+	size_t caseFailedCount = 0;
+
+	for(auto& testCase : m_cases) {
+		printf("%s\n", testCase.name());
+		m_currentTestCasePassed = true;
+
+		testCase.function()();
+
+		if (!m_currentTestCasePassed) {
+			caseFailedCount++;
+		}
+	}
+
+	int percentagePassed = (1 - caseFailedCount / (float)m_cases.size()) * 100;
+	printf("Passed %d%% of tests\n", percentagePassed);
+}
+
+} // namespace Test

test/testsuite.h

@@ -0,0 +1,34 @@
+#ifndef TEST_SUITE_H
+#define TEST_SUITE_H
+
+#include <cstdio> // FILE
+#include <vector>
+
+#include "testcase.h"
+#include "util/singleton.h"
+
+namespace Test {
+
+class TestSuite final : public Util::Singleton<TestSuite> {
+public:
+	TestSuite(s);
+	virtual ~TestSuite();
+
+	void run();
+	void addCase(const TestCase& testCase) { m_cases.push_back(testCase); }
+	void currentTestCaseFailed() { m_currentTestCasePassed = false; }
+
+	FILE* outputStd() const { return m_outputStd; }
+	FILE* outputNull() const { return m_outputNull; }
+
+private:
+	bool m_currentTestCasePassed { true };
+	FILE* m_outputStd { nullptr };
+	FILE* m_outputNull { nullptr };
+
+	std::vector<TestCase> m_cases;
+};
+
+} // namespace Test
+
+#endif // TEST_SUITE_H