STS建立GWT单元测试.doc

STS建立GWT单元测试1. 新建Maven项目：FileOtherMavenMaven Project。Group Id：cn.mycompany.gwt Artifact Id：testgwt Packing：warNextAdd全选NextFinish。2. 新建类Calculator：NewGooglipseModul。Packing:cn.mycompany.gwt Name：UiBinderPracticepublic void onModuleLoad() RootPanel rootPanel = RootPanel.get();Calculator calc = new Calculator(bob, sally, fred);CalculatorPresenter presenter=new CalculatorPresenter();presenter.setDisplay(calc);rootPanel.add(calc);3.新建类： CalculatorPresenter。enum OperationsADD,SUBTRACT,MULTIPLY,DIVIDE,RECIVING;private Operations currentOperation=null;private double accumulator=0.0;private int flag=0;private Display display=null;private HasText result=null;/* * this method binds event handlers to all controls. */private void bind()result = display.getResult();display.getBtn0().addClickHandler(new ClickHandler() public void onClick(ClickEvent event) appendDigit(0););display.getBtn1().addClickHandler(new ClickHandler() public void onClick(ClickEvent event) appendDigit(1););display.getBtn2().addClickHandler(new ClickHandler() public void onClick(ClickEvent event) appendDigit(2););display.getBtn3().addClickHandler(new ClickHandler() public void onClick(ClickEvent event) appendDigit(3););display.getBtn4().addClickHandler(new ClickHandler() public void onClick(ClickEvent event) appendDigit(4););display.getBtn5().addClickHandler(new ClickHandler() public void onClick(ClickEvent event) appendDigit(5););display.getBtn6().addClickHandler(new ClickHandler() public void onClick(ClickEvent event) appendDigit(6););display.getBtn7().addClickHandler(new ClickHandler() public void onClick(ClickEvent event) appendDigit(7););display.getBtn8().addClickHandler(new ClickHandler() public void onClick(ClickEvent event) appendDigit(8););display.getBtn9().addClickHandler(new ClickHandler() public void onClick(ClickEvent event) appendDigit(9););display.getClear().addClickHandler(new ClickHandler() public void onClick(ClickEvent event) clearDisplay(););display.getAddBtn().addClickHandler(new ClickHandler() public void onClick(ClickEvent event) add(););display.getEqualsBtn().addClickHandler(new ClickHandler() public void onClick(ClickEvent event) doEquals(););display.getMinusBtn().addClickHandler(new ClickHandler() public void onClick(ClickEvent event) minus(););display.getMultBtn().addClickHandler(new ClickHandler() public void onClick(ClickEvent event) mult(););display.getDivBtn().addClickHandler(new ClickHandler() public void onClick(ClickEvent event) div(););private void appendDigit(int digit)if(currentOperation=null)currentOperation=Operations.RECIVING;result.setText();result.setText(result.getText() +digit);/* * */private void div()double value =getValue();doOperationWith(value);currentOperation=Operations.DIVIDE;clearDisplay();private void mult()double value =getValue();doOperationWith(value);currentOperation=Operations.MULTIPLY;clearDisplay();private void minus()double value =getValue();doOperationWith(value);currentOperation=Operations.SUBTRACT;clearDisplay();private void doEquals()double value=getValue();System.out.println(3value-+value);doOperationWith(value);if(flag!=0)result.setText(DIV ERROR!);elseresult.setText(+accumulator);currentOperation=null;private void add()double value =getValue();doOperationWith(value);currentOperation=Operations.ADD;clearDisplay();private void doOperationWith(double value)if(currentOperation!=null¤tOperation!=Operations.RECIVING)/System.out.println(4value-+value);if(currentOperation=Operations.ADD)accumulator+=value;if(currentOperation=Operations.SUBTRACT)accumulator-=value;if(currentOperation=Operations.MULTIPLY)accumulator*=value;if(currentOperation=Operations.DIVIDE)System.out.println(5value-+value);System.out.println(4result.getText()-+result.getText();if(result.getText().equals(0)System.out.println(6value-+value);flag=1;elseSystem.out.println(4result.getText()-+result.getText();accumulator/=value;elseaccumulator=value;/* * Get value from display * return */protected double getValue()String resultvalue=result.getText();System.out.println(1resultvalue-+resultvalue);double value=Double.parseDouble(resultvalue);System.out.println(2value-+value);return value;private void clearDisplay()result.setText();public interface DisplayHasText getResult();HasClickHandlers getBtn0();HasClickHandlers getBtn1();HasClickHandlers getBtn2();HasClickHandlers getBtn3();HasClickHandlers getBtn4();HasClickHandlers getBtn5();HasClickHandlers getBtn6();HasClickHandlers getBtn7();HasClickHandlers getBtn8();HasClickHandlers getBtn9();HasClickHandlers getAddBtn();HasClickHandlers getMinusBtn();HasClickHandlers getMultBtn();HasClickHandlers getDivBtn();HasClickHandlers getClear();HasClickHandlers getEqualsBtn();public void setDisplay(Display display)this.display=display;bind();4.新建类Calculator：public class Calculator extends Composite implements CalculatorPresenter.Displayinterface MyUiBinder extends UiBinderprivate static MyUiBinder uiBinder=GWT.create(MyUiBinder.class);UiField TextBox result;UiField Button btn0; UiField Button btn1; UiField Button btn2; UiField Button btn3; UiField Button clearBtn; UiField Button btn4; UiField Button btn5; UiField Button btn6; UiField Button addBtn; UiField Button btn7; UiField Button btn8; UiField Button btn9; UiField Button minusBtn; UiField Button multBtn; UiField Button divBtn; UiField Button equalsBtn; public Calculator(String. names) initWidget(uiBinder.createAndBindUi(this); public HasText getResult() / TODO Auto-generated method stubreturn result;public HasClickHandlers getBtn0() / TODO Auto-generated method stubreturn btn0;public HasClickHandlers getBtn1() / TODO Auto-generated method stubreturn btn1;public HasClickHandlers getBtn2() / TODO Auto-generated method stubreturn btn2;public HasClickHandlers getBtn3() / TODO Auto-generated method stubreturn btn3;public HasClickHandlers getBtn4() / TODO Auto-generated method stubreturn btn4;public HasClickHandlers getBtn5() / TODO Auto-generated method stubreturn null;public HasClickHandlers getBtn6() / TODO Auto-generated method stubreturn null;public HasClickHandlers getBtn7() / TODO Auto-generated method stubreturn null;public HasClickHandlers getBtn8() / TODO Auto-generated method stubreturn null;public HasClickHandlers getBtn9() / TODO Auto-generated method stubreturn null;public HasClickHandlers getAddBtn() return addBtn;public HasClickHandlers getMinusBtn() / TODO Auto-generated method stubreturn null;public HasClickHandlers getMultBtn() / TODO Auto-generated method stubreturn null;public HasClickHandlers getDivBtn() / TODO Auto-generated method stubreturn null;public HasClickHandlers getEqualsBtn() / TODO Auto-generated method stubreturn null;public HasClickHandlers getClear() return clearBtn;5.新建Calcula.ui.xml； 0 1 2 3 C 4 5 6 + 7 8 9 - * / = 6.在src/test/java下建立CalculatorPresenterTestNewJunit Test Casepublic class CalculatorPresenterTest implements CalculatorPresenter.Displayprivate CalculatorPresenter instance = null;private MockHasClickHandlers mockB1 = null;private MockHasText mockResult = null;MockHasClickHandlers mockB2 = null;MockHasClickHandlers mockB3 = null;MockHasClickHandlers mockB4 = null;MockHasClickHandlers mockB5 = null;MockHasClickHandlers mockB6 = null;MockHasClickHandlers mockB7 = null;MockHasClickHandlers mockB8 = null;MockHasClickHandlers mockB9 = null;MockHasClickHandlers mockB0 = null;MockHasClickHandlers mockBClear = null;MockHasClickHandlers mockAdd = null;MockHasClickHandlers mockEquals = null;MockHasClickHandlers mockMinus=null;MockHasClickHandlers mockMult=null;MockHasClickHandlers mockDiv=null;Beforepublic void setUp() throws Exception mockB1 = new MockHasClickHandlers();mockB2 = new MockHasClickHandlers();mockB3 = new MockHasClickHandlers();mockB4 = new MockHasClickHandlers();mockB5 = new MockHasClickHandlers();mockB6 = new MockHasClickHandlers();mockB7 = new MockHasClickHandlers();mockB8 = new MockHasClickHandlers();mockB9 = new MockHasClickHandlers();mockB0 = new MockHasClickHandlers();mockBClear= new MockHasClickHandlers();mockResult = new MockHasText();mockAdd=new MockHasClickHandlers();mockEquals=new MockHasClickHandlers();mockMinus=new MockHasClickHandlers();mockMult=new MockHasClickHandlers();mockDiv=new MockHasClickHandlers();instance = new CalculatorPresenter();instance.setDisplay(this);Afterpublic void tearDown() throws Exception instance = null;mockB1 = null;mockB2 = null;mockB3 = null;mockB4 = null;mockB5 = null;mockB6 = null;mockB7 = null;mockB8 = null;mockB9 = null;mockB0 = null;mockBClear=null;mockAdd=null;mockResult = null; mockEquals=null;mockMinus=null;mockMult=null;mockDiv=null;/-Test Start-Testpublic void testPress0() mockB0.click();assertEquals(0 not pressed,0,mockResult.getText();Testpublic void testPress1() mockB1.click();assertEquals(1 not pressed,1,mockResult.getText();Testpublic void testPress2() mockB2.click();assertEquals(2 not pressed,2,mockResult.getText();Testpublic void testPress3() mockB3.click();assertEquals(3 not pressed,3,mockResult.getText();Testpublic void testPress4() mockB4.click();assertEquals(4 not pressed,4,mockResult.getText();Testpublic void testPress5() mockB5.click();assertEquals(5 not pressed,5,mockResult.getText();Testpublic void testPress6() mockB6.click();assertEquals(6 not pressed,6,mockResult.getText();Testpublic void testPress7() mockB7.click();assertEquals(7 not pressed,7,mockResult.getText();Testpublic void testPress8() mockB8.click();assertEquals(8 not pressed,8,mockResult.getText();Testpublic void testPress9() mockB9.click();assertEquals(9 not pressed,9,mockResult.getText();Testpublic void testClear() /enter 123mockB1.click();mockB2.click();mockB3.click();assertEquals(123 not pressed,123,mockResult.getText();/press button clear buttonmockBClear.click();assertEquals(Display not Cleared,mockResult.getText();Testpublic void testAdd() /enter 23mockB2.click();mockB3.click();assertEquals(23 not pressed,23,mockResult.getText();/press button add buttonmockAdd.click();/enter 45mockB4.click();mockB5.click();assertEquals(45 not pressed,45,mockResult.getText();/press button equals button mockEquals.click();assertEquals(value incorect,68.0,mockResult.getText();Testpublic void testgetValue() mockResult.setText(45.3);assertEquals(45.3 not pressed,45.3,instance.getValue(),0.0);Testpublic void testAddMany() /enter 23mockB2.click();mockB3.click();assertEquals(23 not pressed,23,mockResult.getText();/press button add button mockAdd.click();/enter 45mockB4.click();mockB5.click();assertEquals(45 not pressed,45,mockResult.getText();/press button add buttonmockAdd.click();/enter 11mockB1.click();mockB1.click();assertEquals(11 not pressed,11,mockResult.getText();/press button equals button mockEquals.click();assertEquals(value incorect,79.0,mockResult.getText();Testpublic void testMinus() /enter 23mockB2.click();mockB3.click();assertEquals(23 not pressed,23,mockResult.getText();/press button minus buttonmockMinus.click();/enter 12mockB1.click();mockB2.click();assertEquals(12 not pressed,12,mockResult.getText();/press button equals button mockEquals.click();assertEquals(value incorect,11.0,mockResult.getText();Testpublic void testAddandMinusMany() /enter 23mockB2.click();mockB3.click();assertEquals(23 not pressed,23,mockResult.getText();/press button add button mockAdd.click();/enter 45mockB4.click();mockB5.click();assertEquals(45 not pressed,45,mockResult.getText();/here 68/press button add buttonmockAdd.click();/enter 11mockB1.click();mockB1.click();assertEquals(11 not pressed,11,mockResult.getText();/here 79mockMinus.click();/enter 52mockB5.click();mockB2.click();assertEquals(52 not pressed,52,mockResult.getText();/here 27mockMinus.click();/enter 14mockB1.click();mockB4.click();assertEquals(14 not pressed,14,mockResult.getText();/here 13mockMinus.click();/enter 18mockB1.click();mockB8.click();assertEquals(14 not pressed,18,mockResult.getText();/here -5/press button equals button mockEquals.click();assertEquals(value incorect,-5.0,mockResult.getText();Testpublic void testBug1() /enter 1mockB1.click();assertEquals(1 not pressed,1,mockResult.getText();/press button add button mockAdd.click();/enter 3mockB3.click();assertEquals(3 not pressed,3,mockResult.getText();/here 4/press button equals button mockEquals.click();assertEquals(value incorect,4.0,mockResult.getText();/enter 222mockB2.click();mockB2.click();mockB2.click();assertEquals(222 not pressed,222,mockResult.getText();Testpublic void testMult() /enter 2mockB3.click();assertEquals(3 not pressed,3,mockResult.getText();/press button minus buttonmockMult.click();/enter 2mockB6.click();assertEquals(6 not pressed,6,mockResult.getText();/press button equals button mockEquals.click();assertEquals(value incorect,18.0,mockResult.getText();Testpublic void testDiv() /enter 8mockB8.click();assertEquals(8 not pressed,8,mockResult.getText();/press button minus buttonmockDiv.click();/enter 2mockB2.click();assertEquals(2 not pressed,2,mockResult.getText();/press button equals button mockEquals.click();assertEquals(value incorect,4.0,mockResult.getText();Testpublic void testDivz() /enter 2mockB3.click();assertEquals(3 not pressed,3,mockResult.getText();/press button minus buttonmockMult.click();/enter 2mockB0.click();assertEquals(0 not pressed,0,mockResult.getText();/press button equals button mockEquals.click()