implement unit tests for the function employeesAccess().

src/employeeLogin.c

@@ -1,6 +1,21 @@
 #include "mainMenu.h"
 #include "employeeLogin.h"
 
+bool employeesAccess(char* employeesAccessCode)
+{
+
+    	if(strcmp(employeesAccessCode,accessKey) == 0)
+	{
+	    return true;	
+	}
+
+	else
+	{
+	    return false;	
+	}
+
+}
+
 extern int checkEmployeeCredentials(char *inputUsername, char *inputPassword) 
 {
 

src/employeeLogin.h

@@ -1,10 +1,15 @@
 #ifndef LOGINEMPLOYEE_H_
 #define LOGINEMPLOYEE_H_
 
-
+#define accessKey "DF9E9A8B5E"
 #define credentialLength  20
 
+#include<stdbool.h>
+
+bool employeesAccess(char* employeesAccessCode);
+
 int checkEmployeeCredentials(char* username , char* password);
+
 void employeeCredentials(char* username, char* password);
 void loginAsEmployee();
 

test/test_employeeLogin.c

@@ -108,4 +108,45 @@ void test_MissingLoginEmployee(void)
     
 }
 
+void test_validEmployeeAccessCode(void)
+{
+    //test case 0
+
+    /*Arrange*/
+
+    char validAccesscode[11] = "DF9E9A8B5E";
+
+    /*Act*/
+    bool validAccessCodeResult = employeesAccess(validAccesscode);
+
+    /*Assert*/
+
+    TEST_ASSERT_TRUE(validAccessCodeResult);
+
+}
+
+void test_invalidEmployeeAccessCode(void)
+{
+    //test case 1
+
+    /*Arrange*/
+
+    char* invalidAccessCode[] = {"15","foo","fizz","buzz","fizzbuzz","test","bankmanagement"};
+    bool invalidCodeResults[7];
+
+    /*Act*/ 
+
+    for(int i=0;i<7;i++)
+    {	    
+        invalidCodeResults[i] = employeesAccess(invalidAccessCode[i]);   
+    } 
+
+    /*Assert*/
+
+    for(int i=0;i<7;i++)
+    {
+        TEST_ASSERT_FALSE(invalidCodeResults[i]);	    
+    }
+}
+
 #endif // TEST