Add microunit test framework

Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>

5 files changed, 141 insertions, 13 deletions

diff --git a/.gitignore b/.gitignore
index ff853ac..1f44161 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 *.exe
 *.o
+/lib
 /build
 blast_attack
diff --git a/Makefile b/Makefile
index 6c615f3..2433900 100644
--- a/Makefile
+++ b/Makefile
@@ -1,20 +1,25 @@
-TARGET      ?= blast_attack
-SOURCE_DIR  ?= ./src
-BUILD_DIR   ?= ./build
-
-CFLAGS := -Wall
-OBJS   := $(BUILD_DIR)/main.o \
-	        $(BUILD_DIR)/controller.o
+TARGET       ?= blast_attack
+SOURCE_DIR   ?= ./src
+TEST_DIR     ?= ./test
+LIB_DIR      ?= ./lib
+BUILD_DIR    ?= ./build
+
+CFLAGS       := -Wall
+CFLAGS_TEST  := -Isrc -Ithird_party -Llib -lmunit 
+SRCS         := $(wildcard $(SOURCE_DIR)/*.c)
+SRCS_TEST    := $(wildcard $(TEST_DIR)/*.c)
+OBJS         := $(patsubst $(SOURCE_DIR)/%.c,    $(BUILD_DIR)/%.o, $(SRCS))
+TESTS        := $(patsubst $(TEST_DIR)/%-test.c, $(TEST_DIR)/%,    $(SRCS_TEST))
 
 ifeq ($(OS),Windows_NT)
 	CC := gcc
 	CFLAGS +=	-lmingw32 -lSDL2main -lSDL2 \
 		-IG:\dev\mingw\include\SDL2
 else
-	CFLAGS += -Wall $(shell pkg-config sdl2 --cflags --libs)
+	CFLAGS += $(shell pkg-config sdl2 --cflags --libs)
 endif
 
-.PHONY: build clean run $(TARGET)
+.PHONY: build clean run test $(TARGET)
 
 all: $(TARGET)
 
@@ -24,12 +29,27 @@ $(TARGET): $(BUILD_DIR) $(OBJS)
 $(BUILD_DIR):
 	@mkdir -p $@
 
+$(LIB_DIR):
+	@mkdir -p $@
+
 $(BUILD_DIR)/%.o: $(SOURCE_DIR)/%.c
 	$(CC) $(CFLAGS) -c $< -o $@
 
+$(TEST_DIR)/%-test: $(BUILD_DIR)/%.o $(TEST_DIR)/%-test.c
+	$(CC) $(CFLAGS) $(CFLAGS_TEST) $? -o $@ 
+
+$(TEST_DIR)/%: $(TEST_DIR)/%-test
+	./$@-test
+
+test: lib/libmunit.so $(BUILD_DIR) $(TESTS) 
+
+lib/libmunit.so: $(LIB_DIR) third_party/munit/munit.c
+	$(CC) -Wall -Werror -fpic -c third_party/munit/munit.c -shared -o lib/libmunit.so
+
 clean:
-	@rm -rf $(OBJS)
+	@rm -rf $(BUILD_DIR)
+	@rm -rf $(LIB_DIR)
 	@rm $(TARGET)
 
-run:
+run: all
 	./$(TARGET)
diff --git a/README.md b/README.md
index 0f4e4bc..99cb855 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,20 @@
-Game
-====
+Black Attack
+------------
+
+## Dependencies
+
+- make
+- SDL2
+- pkg-config
+
+## Run
+
+```shell
+$ make run
+```
+
+## Tests
+
+```shell
+$ make test
+```
diff --git a/test/controller-test.c b/test/controller-test.c
new file mode 100644
index 0000000..fb13000
--- /dev/null
+++ b/test/controller-test.c
@@ -0,0 +1,89 @@
+#define MUNIT_ENABLE_ASSERT_ALIASES
+#include "controller.h"
+#include <munit/munit.h>
+
+static SDL_Event
+an_event(SDL_EventType type, SDL_KeyCode keycode) {
+    SDL_Event event;
+    event.type = type;
+    event.key.keysym.sym = keycode;
+    return event;
+}
+
+static MunitResult
+press_and_release_up(const MunitParameter params[], void* fixture)
+{
+    controller_t ctrl = {0};
+
+    SDL_Event event = an_event(SDL_KEYDOWN, SDLK_UP);
+    controller_update(&ctrl, &event);
+    assert_true(ctrl.up);
+
+    event = an_event(SDL_KEYUP, SDLK_UP);
+    controller_update(&ctrl, &event);
+    assert_false(ctrl.up);
+    return MUNIT_OK;
+}
+
+static MunitResult
+press_and_release_down(const MunitParameter params[], void* fixture)
+{
+    controller_t ctrl = {0};
+
+    SDL_Event event = an_event(SDL_KEYDOWN, SDLK_DOWN);
+    controller_update(&ctrl, &event);
+    assert_true(ctrl.down);
+
+    event = an_event(SDL_KEYUP, SDLK_DOWN);
+    controller_update(&ctrl, &event);
+    assert_false(ctrl.down);
+    return MUNIT_OK;
+}
+
+static MunitResult
+press_and_release_right(const MunitParameter params[], void* fixture)
+{
+    controller_t ctrl = {0};
+
+    SDL_Event event = an_event(SDL_KEYDOWN, SDLK_RIGHT);
+    controller_update(&ctrl, &event);
+    assert_true(ctrl.right);
+
+    event = an_event(SDL_KEYUP, SDLK_RIGHT);
+    controller_update(&ctrl, &event);
+    assert_false(ctrl.right);
+    return MUNIT_OK;
+}
+
+static MunitResult
+press_and_release_left(const MunitParameter params[], void* fixture)
+{
+    controller_t ctrl = {0};
+
+    SDL_Event event = an_event(SDL_KEYDOWN, SDLK_LEFT);
+    controller_update(&ctrl, &event);
+    assert_true(ctrl.left);
+
+    event = an_event(SDL_KEYUP, SDLK_LEFT);
+    controller_update(&ctrl, &event);
+    assert_false(ctrl.left);
+    return MUNIT_OK;
+}
+
+MunitTest tests[] = {
+    { "/press_and_release_up",    press_and_release_up,    NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL },
+    { "/press_and_release_down",  press_and_release_down,  NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL },
+    { "/press_and_release_right", press_and_release_right, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL },
+    { "/press_and_release_left",  press_and_release_left,  NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL },
+    { NULL,                       NULL,                    NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL }
+};
+
+static const MunitSuite suite = {
+    "/controller", tests, NULL, 1, MUNIT_TEST_OPTION_NONE
+};
+
+int
+main(int argc, char *argv[])
+{
+    return munit_suite_main(&suite, NULL, argc, argv);
+}
diff --git a/third_party/munit b/third_party/munit
new file mode 160000
+Subproject fbbdf1467eb0d04a6ee465def2e529e4c87f211