ワークショップテスト駆動開発

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2 JUnit FIT 20 FIT FIT 10

3 IT OO Web XML ADC2003 WG

4 JUnit

5 JUnit URL: junit zip junit.jar c: junit junit.jar javac -classpath c: junit junit.jar JUnitTest.java java -cp.;c: junit junit.jar junit.textui.testrunner JUnitTest

6 junit.framework.testcase public void testxxxx() import import junit.framework.testcase; public public class class JUnitSample extends TestCase{ public public void void testsample1(){ System.out.println( ); );

7 JUnit

8 assert asserttrue asserttrue(math.abs(-1) >= 0); assertequals assertequals(3, 1 + 2); assertequals( abcd, ab + cd ); fail fail( );

9 c: angya junit FirstTest.java c: angya junit FirstTest.java import import junit.framework.testcase; junit.framework.testcase; public public class class FirstTest FirstTest extends extends TestCase{ TestCase{ public public void void testsuccess(){ testsuccess(){ //true //true true true asserttrue(true); asserttrue(true); public public void void testfail(){ testfail(){ // // 1 1 assertequals(0, assertequals(0, 1); 1); public public void void testerror(){ testerror(){ // // int int i i = = 0/0; 0/0; c: angya junit>javac c: angya junit>javac-classpath -classpathc: junit junit.jar c: junit junit.jar FirstTest.java FirstTest.java c: angya junit>java c: angya junit>java -cp -cp.;c: junit junit.jar junit.swingui.testrunner junit.swingui.testrunnerfirsttest

11 public public class class Calc{ Calc{ public public int int add(int add(int a, a, int int b){ b){ return return a + b; b; import import junit.framework.testcase; public public class class CalcTest CalcTest extends extends TestCase{ public public void void testadd(){ Calc Calc c = new new Calc(); Calc(); assertequals(3, c.add(1, c.add(1, 2)); 2));

13 (TDD:Test Driven Development) C1

14 TDD(

17 TDD (1)

19 TDD (1/13) Calc (int) add sub mul div 2 ToDo

20 TDD (2/13) c: angya calc CalcTest.java Calc CalcTest c: angya calc CalcTest.java import import junit.framework.testcase; junit.framework.testcase; public public class class CalcTest CalcTest extends extends TestCase{ TestCase{

21 TDD (3/13) add testadd c: angya calc CalcTest.java c: angya calc CalcTest.java import import junit.framework.testcase; junit.framework.testcase; public public void public class class CalcTest CalcTest extends extends TestCase{ public TestCase{ public void void testadd(){ testadd(){

22 TDD (4/13) Swing

23 TDD (5/13) 1+2=3 c: angya calc CalcTest.java c: angya calc CalcTest.java add import junit.framework.testcase; import junit.framework.testcase; public public class class CalcTest CalcTest extends extends TestCase{ public TestCase{ public void void testadd(){ testadd(){ Calc Calc c c = = new new Calc(); Calc(); assertequals(3, assertequals(3, c.add(1, c.add(1, 2)); 2));

24 TDD (6/13) Calc

25 TDD (7/13) c: angya calc Calc.java c: angya calc Calc.java public public class class Calc{ Calc{ return return 0; 0; return 0 public public int int add(int add(int a, a, int int b){ b){

26 TDD (8/13)

27 TDD (9/13) JUnit [Run] add 0

28 TDD (10/13) c: angya calc Calc.java c: angya calc Calc.java public public class class Calc{ public Calc{ assertequals(3, public int int add(int add(int a, a, int int b){ b){ return return 3; 3; c.add(1, 2)); return 3;

29 TDD (11/13)

30 TDD (12/13) assertequals(3, c.add(1, 2)); return 3; c: angya calc Calc.java c: angya calc Calc.java 3 return a + b; public public class class Calc{ public Calc{ public int int add(int add(int a, a, int int b){ b){ return return a a + + b; b;

31 TDD (13/13) ToDo

32 TDD Fake It Refactoring Triangulation return 0; return 3; Fake It Refactoring return a+b; return 0; Fake It return 3; Refactoring Obvious Implementaion return a+b; return 0; return a+b;

33 X+Y 2 X 2 +2XY+Y 2 (X+Y)(X+Y) = X(X+Y)+Y(X+Y) = X 2 +XY+XY+Y 2 = X 2 +2XY+Y 2

35 isempty() true false size() push() void push(int value) pop() void pop() java.util.emptystackexception top() int top() java.util.emptystackexception

36 Stack StackTest Stack isempty() true

37 StackTest import java.util.emptystackexception; import junit.framework.testcase; /** hiranabe, kitano */ public class StackTest extends TestCase { private Stack stack; protected void setup() { stack = new Stack(); public void testcreate() { asserttrue(stack.isempty()); public void testpushandtop() { stack.push(1); assertfalse(stack.isempty()); assertequals(1, stack.top()); stack.push(2); assertequals(2, stack.top()); public void testpushandsize() { stack.push(1); assertequals(1, stack.size()); stack.push(2); assertequals(2, stack.size()); public void testemptypop() { try { stack.pop(); fail(); catch (EmptyStackException expected) { public void testpushandpop() { stack.push(1); stack.pop(); assertequals(0, stack.size()); public void testpushpushpoptop() { stack.push(1); stack.push(2); assertequals(2, stack.size()); stack.pop(); assertequals(1, stack.top()); public void testemptytop() { try { stack.top(); fail(); catch (EmptyStackException expected) {

38 Stack import java.util.emptystackexception; /** hiranabe, kitano */ public class Stack { private int[] value = new int[10]; private int size; public boolean isempty() { return size == 0; public int top() { emptycheck(); return value[size - 1]; public void push(int value) { this.value[size++] = value; public int size() { return size; public void pop() { emptycheck(); --size; private void emptycheck() { if (isempty()) throw new EmptyStackException();

40 ?!

41 FIT FIT Framework for Integrated Test XP Ward Cunningham ObjectMentor FITNESSE

42 FIT View Model WikiTop

43 FIT JUnit

44 FIT FIT TextFixture

45 Fixture FIT Fixture

46 FIT ColumnFixture SampleColumnFixture x 1 3 y 2 5 x set add() 3 8 SampleColumnFixture x y set y add() add()

47 FIT

48 FIT FITNESSE PC fitnesse /run.bat Apache 80 Listen Web

49 FITNESSE CalcTest FIT

50 CalcTest ClassPath Test

51 ClassPath Edit c: eclipse workspace sample!path fit.jar!path fitnesse.jar!path C: eclipse workspace sample Save

53 Calc Eclipse sample.calc package sample; import fit.columnfixture; public class Calc extends ColumnFixture {

54 package sample; import fit.columnfixture; public class Calc extends ColumnFixture { public int x; public int y; public int add() { return x+y;

55 FIT FITNESSE FrontPage TestEasyCalendar

56 from, to, days() days() from to

57 import java.util.date; import fit.columnfixture; public class EasyCalendarFixture extends ColumnFixture { public Date from; public Date to; public int days() { EasyCalendar ezcal = new EasyCalendar(); return ezcal.getbetweendays(from, to);

58 import java.util.calendar; import java.util.date; import java.util.gregoriancalendar; public class EasyCalendar { public int getbetweendays(date from, Date to) { Calendar calfrom = date2calendar(from); Calendar calto = date2calendar(to); return getdiffyears(calfrom, calto) * getdiffmonths(calfrom, calto) *30 + getdiffdays(calfrom, calto); private int getdiffdays(calendar calfrom, Calendar calto) { return getdiffcalendar(calfrom, calto, Calendar.DATE); private int getdiffmonths(calendar calfrom, Calendar calto){ return getdiffcalendar(calfrom, calto, Calendar.MONTH); private int getdiffyears(calendar calfrom, Calendar calto){ return getdiffcalendar(calfrom, calto, Calendar.YEAR); private int getdiffcalendar(calendar calfrom, Calendar calto, int ymd) { return calto.get(ymd) - calfrom.get(ymd); private Calendar date2calendar(date date){ Calendar calendar = new GregorianCalendar(); calendar.settime(date); return calendar; FIT JavaPressVol34

59 Memo

60 Memo

cpp1.dvi

cpp1.dvi 2017 c 1 C++ (1) C C++, C++, C 11, 12 13 (1) 14 (2) 11 1 n C++ //, [List 11] 1: #include // C 2: 3: int main(void) { 4: std::cout

ワークショップ テスト駆動開発

ワークショップテスト駆動開発