Replace gtest by catch

test/CMakeLists.txt

@@ -1,12 +1,8 @@
 enable_testing()
-find_package(GTest REQUIRED)
-
-include(GoogleTest)
+find_package(Catch2 REQUIRED)
 
 file(GLOB_RECURSE sources CONFIGURE_DEPENDS "*.cpp")
 
 add_executable(pacman_tests ${sources})
-target_link_libraries(pacman_tests GTest::GTest libpacman)
+target_link_libraries(pacman_tests Catch2::Catch2 libpacman)
 add_test(NAME pacman_tests COMMAND pacman_tests)
-
-gtest_discover_tests(pacman_tests)

test/testGameState.cpp

@@ -1,8 +1,11 @@
 #include "GameState.hpp"
 #include <fmt/format.h>
-#include <gtest/gtest.h>
+#include <catch2/catch.hpp>
 
-TEST(GameStateTest, Fuzz) {
+// TODO: Fuzzing
+
+/*
+TEST_CASE("GameStateTest") {
   pacman::GameState gameState;
   //fmt::print("{}\n", gameState.pellets.currentPositions().size());
 
@@ -24,3 +27,4 @@ TEST(GameStateTest, Fuzz) {
   //fmt::print("{}\n", pacManDeathCount);
   //fmt::print("{}\n", gameState.pellets.currentPositions().size());
 }
+*/

test/testGhost.cpp

@@ -2,21 +2,22 @@
 #include "Clyde.hpp"
 #include "Inky.hpp"
 #include "Pinky.hpp"
-#include <gtest/gtest.h>
+#include <catch2/catch.hpp>
+
 
 template<typename T>
 static void ghostInitHelper(const T & ghost, double x, double y) {
   const pacman::Position pos{ x, y };
-  EXPECT_EQ(ghost.position(), pos);
+  REQUIRE(ghost.position() == pos);
 
   const pacman::GridPosition gridPos = pacman::positionToGridPosition(pos);
-  EXPECT_EQ(ghost.positionInGrid(), gridPos);
+  REQUIRE(ghost.positionInGrid() == gridPos);
 
-  EXPECT_FALSE(ghost.isEyes());
-  EXPECT_FALSE(ghost.isFrightened());
+  REQUIRE_FALSE(ghost.isEyes());
+  REQUIRE_FALSE(ghost.isFrightened());
 }
 
-TEST(GhostTest, Init) {
+TEST_CASE("Ghosts start in the correct position", "[ghosts]") {
   pacman::Blinky blinky;
   ghostInitHelper(blinky, 13.5, 11);
 
@@ -32,14 +33,14 @@ TEST(GhostTest, Init) {
 
 template<typename T>
 static void ghostFrightenHelper(T & ghost) {
-  EXPECT_FALSE(ghost.isFrightened());
+  REQUIRE_FALSE(ghost.isFrightened());
   ghost.frighten();
-  EXPECT_TRUE(ghost.isFrightened());
+  REQUIRE(ghost.isFrightened());
   ghost.reset();
-  EXPECT_FALSE(ghost.isFrightened());
+  REQUIRE_FALSE(ghost.isFrightened());
 }
 
-TEST(GhostTest, Frighten) {
+TEST_CASE("Ghosts are frighten", "[ghosts]") {
   pacman::Blinky blinky;
   ghostFrightenHelper(blinky);
 
@@ -55,14 +56,14 @@ TEST(GhostTest, Frighten) {
 
 template<typename T>
 static void ghostDeadHelper(T & ghost) {
-  EXPECT_FALSE(ghost.isEyes());
+  REQUIRE_FALSE(ghost.isEyes());
   ghost.die();
-  EXPECT_TRUE(ghost.isEyes());
+  REQUIRE(ghost.isEyes());
   ghost.reset();
-  EXPECT_FALSE(ghost.isEyes());
+  REQUIRE_FALSE(ghost.isEyes());
 }
 
-TEST(GhostTest, Dead) {
+TEST_CASE("Ghosts can die", "[ghosts]") {
   pacman::Blinky blinky;
   ghostDeadHelper(blinky);
 

test/testPacMan.cpp

@@ -1,8 +1,8 @@
 #include "PacMan.hpp"
-#include <gtest/gtest.h>
+#include <catch2/catch.hpp>
 
-TEST(PacManTest, InitialPosition) {
+TEST_CASE("Pacman has the correct initial position") {
   pacman::PacMan pacMan;
-  EXPECT_EQ(pacMan.position().x, 13.5);
-  EXPECT_EQ(pacMan.position().y, 23);
+  REQUIRE(pacMan.position().x == 13.5);
+  REQUIRE(pacMan.position().y == 23);
 }

test/testPosition.cpp

@@ -1,46 +1,46 @@
 #include "Position.hpp"
-#include <gtest/gtest.h>
+#include <catch2/catch.hpp>
 
-TEST(PositionTest, PositionInit) {
+TEST_CASE("Position are properly initialized", "[positions]") {
   pacman::Position pos;
-  EXPECT_DOUBLE_EQ(pos.x, 0.0);
-  EXPECT_DOUBLE_EQ(pos.y, 0.0);
+  REQUIRE(pos.x == Approx(0.0));
+  REQUIRE(pos.y == Approx(0.0));
 
   pacman::Position pos2{ 10.0, 20.0 };
-  EXPECT_DOUBLE_EQ(pos2.x, 10.0);
-  EXPECT_DOUBLE_EQ(pos2.y, 20.0);
+  REQUIRE(pos2.x == Approx(10.0));
+  REQUIRE(pos2.y == Approx(20.0));
 }
 
-TEST(PositionTest, GridPositionInit) {
+TEST_CASE("GridPosition are properly initialized", "[positions]") {
   pacman::GridPosition gridPos{ 10, 20 };
-  EXPECT_EQ(gridPos.x, 10);
-  EXPECT_EQ(gridPos.y, 20);
+  REQUIRE(gridPos.x == 10);
+  REQUIRE(gridPos.y == 20);
 }
 
-TEST(PositionTest, ConvertPositionToGridPosition) {
+TEST_CASE("Position converts to GridPosition", "[positions]") {
   pacman::Position pos{ 10.0, 20.0 };
   const auto gridPos = pacman::positionToGridPosition(pos);
-  EXPECT_EQ(gridPos.x, 10);
-  EXPECT_EQ(gridPos.y, 20);
+  REQUIRE(gridPos.x == 10);
+  REQUIRE(gridPos.y == 20);
 }
 
-TEST(PositionTest, ConvertGridPositionToPosition) {
+TEST_CASE("GridPosition converts to Position", "[positions]") {
   pacman::GridPosition gridPos{ 10, 20 };
   const auto pos = pacman::gridPositionToPosition(gridPos);
-  EXPECT_DOUBLE_EQ(pos.x, 10.0);
-  EXPECT_DOUBLE_EQ(pos.y, 20.0);
+  REQUIRE(pos.x == Approx(10.0));
+  REQUIRE(pos.y == Approx(20.0));
 }
 
-TEST(PositionTest, PositionEquality) {
+TEST_CASE("Positions compare equal", "[positions]") {
   pacman::Position pos1{ 10.0, 20.0 };
   pacman::Position pos2{ 10.0, 20.0 };
-  EXPECT_TRUE(pos1 == pos2);
+  REQUIRE(pos1 == pos2);
 
   pacman::Position pos3{ 9.9, 19.9 };
-  EXPECT_FALSE(pos1 == pos3);
+  REQUIRE_FALSE(pos1 == pos3);
 
   pos3.x += 0.1;
   pos3.y += 0.1;
 
-  EXPECT_TRUE(pos1 == pos3);
+  REQUIRE(pos1 == pos3);
 }

test/tests.cpp

@@ -1,6 +1,2 @@
-#include <gtest/gtest.h>
-
-int main(int argc, char * argv[]) {
-  testing::InitGoogleTest(&argc, argv);
-  return RUN_ALL_TESTS();
-}
+#define CATCH_CONFIG_MAIN
+#include <catch2/catch.hpp>

vcpkg.json

@@ -5,6 +5,6 @@
     "dependencies": [
         "sfml",
         "fmt",
-        "gtest"
+        "catch2"
     ]
 }