add commands (make it visible for user) with test

src/c/commands.c

@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+
+#include "map.h"
+
+char* getPossibleCommands(Room r, int playerPosition)
+{
+	char commands[][20] = {};
+	
+	char *msg = malloc(sizeof(char) * (500));
+	strcpy(msg, ""); //assign char (string) that no leading zero result
+	if (playerPosition > 0)
+	{
+		strcat(msg, "You can move south from here\n");
+	}
+
+	if (playerPosition < mapMax - 1)
+	{
+		strcat(msg, "You can move north from here\n");
+	}
+
+	if (r.shopAvailable == 1)
+	{
+		strcat(msg, "You can call 'shop' to buy items.\n");
+	}
+
+	return msg;
+}

src/c/commands.h

@@ -0,0 +1,8 @@
+#ifndef COMMANDS_H
+#define COMMANDS_H
+
+#include "map.h"
+
+char* getPossibleCommands(Room r, int playerPosition);
+
+#endif // COMMANDS_H

test/c/test_commands.c

@@ -0,0 +1,37 @@
+#ifdef TEST
+
+#include "unity.h"
+#include "commands.h"
+#include "map.h"
+#include "nav_helper.h"
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+void test_commands(void)
+{
+    /* arrange */
+    // Hier die Werte eingeben/deklarieren
+    Room* mapData;
+    mapData = getMap("./src/content/game.map");
+    int playerPosition = 3; //last player position in north - so you can only move to south
+    char* expectedString = "You can move south from here\n";
+
+    /* act */
+    // Die Funktion wird ausgeführt
+    char* msg = getPossibleCommands(mapData[playerPosition], playerPosition);
+
+    /* TEST AUSGABE zur Kontrolle */
+    printf("%s", msg);
+
+    /* assert */
+    // Vergleichen mit Inhalt
+    TEST_ASSERT_EQUAL_STRING(expectedString, msg);
+}
+
+#endif // TEST