sdl2-hello-world/src/packages/game/input/input.test.c

#include "../../../__mocks__/SDL_keyboard.mock.h"
#include "../../../__mocks__/SDL_joystick.mock.h"
#include "../../../__mocks__/minIni.mock.h"
#include "../__mocks__/IZ_config.mock.h"
#include "IZ_keyboard.h"
#include "IZ_joystick.h"

short int GenerateAxisValueWithinThreshold(short int threshold) {
	return rand() % threshold;
}

short int GenerateAxisValueOutsideThreshold(short int threshold) {
	return threshold + (rand() % (RAND_MAX - threshold - 1)) + 1;
}

spec("input") {
	describe("joystick") {
		describe("HandleJoystickEvents") {
			static SDL_Event e;
			static IZ_JoystickState state;
			static IZ_Action action;

			describe("on axis motion events") {
				before_each() {
					e.type = SDL_JOYAXISMOTION;
					state.config.axis_threshold = 8000;
				}

				describe("on primary horizontal direction") {
					before_each() {
						e.jaxis.axis = IZ_JOYAXIS_DIRECTION_HORIZONTAL1;
					}

					it("handles positive motion") {
						e.jaxis.value = GenerateAxisValueOutsideThreshold(state.config.axis_threshold);
						action = 0;

						printf("(axis value: %d) ", e.jaxis.value);
						IZ_HandleJoystickEvents(e, &state, &action);
						check(
							action == (0x1 << IZ_ACTION_INDEX_RIGHT),
							"Action not set."
						);
					}

					it("handles negative motion") {
						e.jaxis.value = -GenerateAxisValueOutsideThreshold(state.config.axis_threshold);
						action = 0;

						printf("(axis value: %d) ", e.jaxis.value);
						IZ_HandleJoystickEvents(e, &state, &action);
						check(
							action == (0x1 << IZ_ACTION_INDEX_LEFT),
							"Action not set."
						);
					}

					it("handles neutral motion") {
						e.jaxis.value = GenerateAxisValueWithinThreshold(state.config.axis_threshold);
						action = 0;

						printf("(axis value: %d) ", e.jaxis.value);
						IZ_HandleJoystickEvents(e, &state, &action);
						check(
							action == 0,
							"Action not set."
						);
					}
				}

				describe("on secondary horizontal direction") {
					before_each() {
						e.jaxis.axis = IZ_JOYAXIS_DIRECTION_HORIZONTAL2;
					}

					it("handles positive motion") {
						e.jaxis.value = GenerateAxisValueOutsideThreshold(state.config.axis_threshold);
						action = 0;

						printf("(axis value: %d) ", e.jaxis.value);
						IZ_HandleJoystickEvents(e, &state, &action);
						check(
							action == (0x1 << IZ_ACTION_INDEX_RIGHT),
							"Action not set."
						);
					}

					it("handles negative motion") {
						e.jaxis.value = -GenerateAxisValueOutsideThreshold(state.config.axis_threshold);
						action = 0;

						printf("(axis value: %d) ", e.jaxis.value);
						IZ_HandleJoystickEvents(e, &state, &action);
						check(
							action == (0x1 << IZ_ACTION_INDEX_LEFT),
							"Action not set."
						);
					}

					it("handles neutral motion") {
						e.jaxis.value = GenerateAxisValueWithinThreshold(state.config.axis_threshold);;
						action = 0;

						printf("(axis value: %d) ", e.jaxis.value);
						IZ_HandleJoystickEvents(e, &state, &action);
						check(
							action == 0,
							"Action not set."
						);
					}
				}

				describe("on primary vertical direction") {
					before_each() {
						e.jaxis.axis = IZ_JOYAXIS_DIRECTION_VERTICAL1;
					}

					it("handles positive motion") {
						e.jaxis.value = GenerateAxisValueOutsideThreshold(state.config.axis_threshold);
						action = 0;

						printf("(axis value: %d) ", e.jaxis.value);
						IZ_HandleJoystickEvents(e, &state, &action);
						check(
							action == (0x1 << IZ_ACTION_INDEX_DOWN),
							"Action not set."
						);
					}

					it("handles negative motion") {
						e.jaxis.value = -GenerateAxisValueOutsideThreshold(state.config.axis_threshold);
						action = 0;

						printf("(axis value: %d) ", e.jaxis.value);
						IZ_HandleJoystickEvents(e, &state, &action);
						check(
							action == (0x1 << IZ_ACTION_INDEX_UP),
							"Action not set."
						);
					}

					it("handles neutral motion") {
						e.jaxis.value = GenerateAxisValueWithinThreshold(state.config.axis_threshold);;
						action = 0;

						printf("(axis value: %d) ", e.jaxis.value);
						IZ_HandleJoystickEvents(e, &state, &action);
						check(
							action == 0,
							"Action not set."
						);
					}
				}

				describe("on secondary vertical direction") {
					before_each() {
						e.jaxis.axis = IZ_JOYAXIS_DIRECTION_VERTICAL2;
					}

					it("handles positive motion") {
						e.jaxis.value = GenerateAxisValueOutsideThreshold(state.config.axis_threshold);
						action = 0;

						printf("(axis value: %d) ", e.jaxis.value);
						IZ_HandleJoystickEvents(e, &state, &action);
						check(
							action == (0x1 << IZ_ACTION_INDEX_DOWN),
							"Action not set."
						);
					}

					it("handles negative motion") {
						e.jaxis.value = -GenerateAxisValueOutsideThreshold(state.config.axis_threshold);
						action = 0;

						printf("(axis value: %d) ", e.jaxis.value);
						IZ_HandleJoystickEvents(e, &state, &action);
						check(
							action == (0x1 << IZ_ACTION_INDEX_UP),
							"Action not set."
						);
					}

					it("handles neutral motion") {
						e.jaxis.value = GenerateAxisValueWithinThreshold(state.config.axis_threshold);;
						action = 0;

						printf("(axis value: %d) ", e.jaxis.value);
						IZ_HandleJoystickEvents(e, &state, &action);
						check(
							action == 0,
							"Action not set."
						);
					}
				}
			}

			describe("on hat motion events") {
				before_each() {
					e.type = SDL_JOYHATMOTION;
				}

				for (uint8_t i = 0; i < 4; i += 1) {
					it("handles motion for %s action", ACTION_NAMES[i]) {
						e.jhat.value = (0x1u << i);
						action = 0;

						IZ_HandleJoystickEvents(e, &state, &action);
						check(
							action == (0x1u << i),
							"Action not set."
						);
					}

					it("handles motion for %s deactivation", ACTION_NAMES[i]) {
						e.jhat.value = 0;
						action = ~0;

						IZ_HandleJoystickEvents(e, &state, &action);
						check(
							!(action & (0x1 << i)),
							"Action not unset."
						);
					}
				}
			}

			describe("on button events") {
				for (uint8_t i = 4; i < CONTROLS; i += 1) {
					it("handles %s action activation", ACTION_NAMES[i]) {
						e.type = SDL_JOYBUTTONDOWN;
						e.jbutton.button = IZ_DEFAULT_JOYSTICK_CONTROLS[0][i];
						state.config.control_mapping[i] = IZ_DEFAULT_JOYSTICK_CONTROLS[0][i];
						action = 0;

						IZ_HandleJoystickEvents(e, &state, &action);
						check(
							action == (0x1u << i),
							"Action not set."
						);
					}

					it("handles %s action deactivation", ACTION_NAMES[i]) {
						e.type = SDL_JOYBUTTONUP;
						e.jbutton.button = IZ_DEFAULT_JOYSTICK_CONTROLS[0][i];
						state.config.control_mapping[i] = IZ_DEFAULT_JOYSTICK_CONTROLS[0][i];
						action = ~0;

						IZ_HandleJoystickEvents(e, &state, &action);
						check(
							!(action & (0x1 << i)),
							"Action not unset."
						);
					}
				}
			}
		}

		describe("LoadJoystickConfig") {
			static IZ_JoystickConfig config;

			after_each() {
				mock_reset(IZ_GetConfigPath);
			}

			after_each() {
				mock_reset(ini_getl);
			}

			it("calls load method") {
				mock_set_expected_calls(ini_getl, CONTROLS - 4 + 1);

				IZ_LoadJoystickConfig(&config, 0);

				check(
					mock_is_called(IZ_GetConfigPath),
					"SDL_GetBasePath() not called."
				);

				check(
					mock_get_expected_calls(ini_getl) == mock_get_actual_calls(ini_getl),
					"Call count mismatch for ini_getl() (expected %u, received %u).",
					mock_get_expected_calls(ini_getl),
					mock_get_actual_calls(ini_getl)
				);
			}
		}

		describe("SaveJoystickConfig") {
			static IZ_JoystickConfig config;

			after_each() {
				mock_reset(IZ_GetConfigPath);
			}

			after_each() {
				mock_reset(ini_putl);
			}

			before_each() {
				for (uint8_t i = 0; i < CONTROLS; i += 1) {
					config.control_mapping[i] = IZ_DEFAULT_JOYSTICK_CONTROLS[0][i];
				}
			}

			it("calls save method") {
				mock_set_expected_calls(ini_putl, CONTROLS - 4 + 1);

				IZ_SaveJoystickConfig(&config, 0);

				check(
					mock_get_expected_calls(ini_putl) == mock_get_actual_calls(ini_putl),
					"Call count mismatch for ini_putl() (expected %u, received %u).",
					mock_get_expected_calls(ini_putl),
					mock_get_actual_calls(ini_putl)
				);
			}
		}
	}

	describe("keyboard") {
		describe("HandleKeyboardEvents") {
			static SDL_Event e;
			static IZ_KeyboardState state;
			static IZ_Action action;

			for (uint8_t i = 0; i < CONTROLS; i += 1) {
				it("handles %s action activation", ACTION_NAMES[i]) {
					e.type = SDL_KEYDOWN;
					e.key.keysym.sym = IZ_DEFAULT_KEYBOARD_CONTROLS[0][i];
					state.config.control_mapping[i] = IZ_DEFAULT_KEYBOARD_CONTROLS[0][i];
					action = 0;

					IZ_HandleKeyboardEvents(e, &state, &action);
					check(
						action == (0x1 << i),
						"Action not set."
					);
				}

				it("handles %s action deactivation", ACTION_NAMES[i]) {
					e.type = SDL_KEYUP;
					e.key.keysym.sym = IZ_DEFAULT_KEYBOARD_CONTROLS[0][i];
					state.config.control_mapping[i] = IZ_DEFAULT_KEYBOARD_CONTROLS[0][i];
					action = ~0;

					IZ_HandleKeyboardEvents(e, &state, &action);
					check(
						!(action & (0x1 << i)),
						"Action not unset."
					);
				}
			}
		}

		describe("LoadKeyboardConfig") {
			static IZ_KeyboardConfig config;

			after_each() {
				mock_reset(IZ_GetConfigPath);
			}

			after_each() {
				mock_reset(ini_gets);
			}

			it("calls load method") {
				mock_set_expected_calls(ini_gets, CONTROLS);

				IZ_LoadKeyboardConfig(&config, 0);

				check(
					mock_is_called(IZ_GetConfigPath),
					"SDL_GetBasePath() not called."
				);

				check(
					mock_get_expected_calls(ini_gets) == mock_get_actual_calls(ini_gets),
					"Call count mismatch for ini_gets() (expected %u, received %u).",
					mock_get_expected_calls(ini_gets),
					mock_get_actual_calls(ini_gets)
				);
			}
		}

		describe("SaveKeyboardConfig") {
			static IZ_KeyboardConfig config;

			after_each() {
				mock_reset(IZ_GetConfigPath);
			}

			after_each() {
				mock_reset(ini_puts);
			}

			before_each() {
				for (uint8_t i = 0; i < CONTROLS; i += 1) {
					config.control_mapping[i] = IZ_DEFAULT_KEYBOARD_CONTROLS[0][i];
				}
			}

			it("calls save method") {
				mock_set_expected_calls(ini_puts, CONTROLS);

				IZ_SaveKeyboardConfig(&config, 0);

				check(
					mock_get_expected_calls(ini_puts) == mock_get_actual_calls(ini_puts),
					"Call count mismatch for ini_puts() (expected %u, received %u).",
					mock_get_expected_calls(ini_puts),
					mock_get_actual_calls(ini_puts)
				);
			}
		}
	}
}