package com.techelevator;

import static org.junit.Assert.$*$;

import org.junit.Before;

import org.junit.Test;

import org.junit.FixMethodOrder;

import org.junit.runners.MethodSorters;

import java.lang.reflect.$*$;

@FixMethodOrder$($MethodSorters$.$NAME$\_$ASCENDING$)$

public class CheckingAccountTest $\{$

private final String PACKAGE$\_$NAME $=$ "com.techelevator";

private final String BANK$\_$ACCOUNT$\_$CLASS$\_$NAME $=$ "BankAccount";

private final String CHECKING$\_$ACCOUNT$\_$CLASS$\_$NAME $=$ "CheckingAccount";

private static Class checkingAccountClass;

@Before

public void Initialize$()\{$

try $\{$

checkingAccountClass $=$ Class.forName$($PACKAGE$\_$NAME $+"."+$ CHECKING$\_$ACCOUNT$\_$CLASS$\_$NAME$)$;

$\}$ catch $($ClassNotFoundException e$)\{$

fail$($e$.$getMessage$()+"$ class could not be found. Have you declared it yet? Make sure the class name is $\text{'}"+$ CHECKING$\_$ACCOUNT$\_$CLASS$\_$NAME $+"\text{'}$ and the package name is $\text{'}"+$ PACKAGE$\_$NAME $+"\text{'}.")$;

$\}$

$\}$

@Test

public void test$01\_$ClassWellFormed$()\{$

String wellFormedCheck $=$ classWellFormedCheck$()$;

if $(!$wellFormedCheck.isEmpty$())\{$

fail$($wellFormedCheck$)$;

$\}$

$\}$

@Test

public void test$02\_$HappyPath$\_$Tests$()$ throws IllegalAccessException, InvocationTargetException, InstantiationException, NoSuchMethodException $\{$

String wellFormedCheck $=$ classWellFormedCheck$()$;

if $(!$wellFormedCheck.isEmpty$())\{$

fail$($CHECKING$\_$ACCOUNT$\_$CLASS$\_$NAME $+"$ is not well formed. The test$01\_$ClassWellFormed tests must pass first.$\backslash$r

$\backslash$t$"+$ wellFormedCheck$)$;

$\}$

$//$ Assert constructors set fields

String testAccountHolderName $=$ "Tester Testerson";

String testAccountNumber $="$CHK:$1234"$;

int testBalance $=100$;

$//$ Two arg constructor

Constructor twoArgConstructor $=$ SafeReflection.getConstructor$($checkingAccountClass$,$ String.class, String.class$)$;

Object twoArgInstance $=$ twoArgConstructor.newInstance$($testAccountHolderName$,$ testAccountNumber$)$;

Method twoArgGetAccountHolderName $=$ twoArgInstance.getClass$().$getMethod$("$getAccountHolderName$")$;

assertEquals$($CHECKING$\_$ACCOUNT$\_$CLASS$\_$NAME $+"$ constructor $"+$ CHECKING$\_$ACCOUNT$\_$CLASS$\_$NAME $+"($String$,$ String$)$ does not correctly set the field accountHolderName.",

testAccountHolderName, twoArgGetAccountHolderName.invoke$($twoArgInstance$))$;

Method twoArgGetAccountNumber $=$ twoArgInstance.getClass$().$getMethod$("$getAccountNumber$")$;

assertEquals$($CHECKING$\_$ACCOUNT$\_$CLASS$\_$NAME $+"$ constructor $"+$ CHECKING$\_$ACCOUNT$\_$CLASS$\_$NAME $+"($String$,$ String$)$ does not correctly set the field accountNumber.",

testAccountNumber, twoArgGetAccountNumber.invoke$($twoArgInstance$))$;

$//$ Three arg constructor

Constructor threeArgConstructor $=$ SafeReflection.getConstructor$($checkingAccountClass$,$ String.class, String.class, int.class$)$;

Object threeArgInstance $=$ threeArgConstructor.newInstance$($testAccountHolderName$,$ testAccountNumber, testBalance$)$;

Method threeArgGetAccountHolderName $=$ threeArgInstance.getClass$().$getMethod$("$getAccountHolderName$")$;

assertEquals$($CHECKING$\_$ACCOUNT$\_$CLASS$\_$NAME $+"$ constructor $"+$ CHECKING$\_$ACCOUNT$\_$CLASS$\_$NAME $+"($String$,$ String, int$)$ does not correctly set the field accountHolderName.",

testAccountHolderName, threeArgGetAccountHolderName.invoke$($threeArgInstance$))$;

Method threeArgGetAccountNumber $=$ threeArgInstance.getClass$().$getMethod$("$getAccountNumber$")$;

assertEquals$($CHECKING$\_$ACCOUNT$\_$CLASS$\_$NAME $+"$ constructor $"+$ CHECKING$\_$ACCOUNT$\_$CLASS$\_$NAME $+"($String$,$ String, int$)$ does not correctly set the field accountNumber.",

testAccountNumber, threeArgGetAccountNumber.invoke$($threeArgInstance$))$;

Method threeArgGetBalance $=$ threeArgInstance.getClass$().$getMethod$("$getBalance$")$;

assertEquals$($CHECKING$\_$ACCOUNT$\_$CLASS$\_$NAME $+"$ constructor $"+$ CHECKING$\_$ACCOUNT$\_$CLASS$\_$NAME $+"($String$,$ String, int$)$ does not correctly set the field balance.",

testBalance, threeArgGetBalance.invoke$($threeArgInstance$))$;

$//$ Assert withdraw decreases balance

Method withdraw $=$ threeArgInstance.getClass$().$getMethod$("$withdraw$",$ int.class$)$;

int withdrawParamValue $=22$;

int withdrawExpectedReturnValue $=$ testBalance $-$ withdrawParamValue;

Object withdrawActualReturnValue $=$ withdraw.invoke$($threeArgInstance$,$ withdrawParamValue$)$;

assertEquals$($CHECKING$\_$ACCOUNT$\_$CLASS$\_$NAME $+"$ withdraw method fails to decrease balance by correct amount. Starting balance: $"+$ testBalance $+",$ withdraw: $"+$ withdrawParamValue $+",$ new balance should be $"+$ withdrawExpectedReturnValue $+".",$

withdrawExpectedReturnValue, withdrawActualReturnValue$)$;

$\}$

@Test

public void test$03\_$EdgeCase$\_$Tests$()$ throws IllegalAccessException, InvocationTargetException, InstantiationException $\{$