Swing application FEST testcase

TestNormalCDC

package com.obomprogramador.tutoriais.testes.emprestimos;

import static org.fest.assertions.Assertions.assertThat;

import javax.swing.JFormattedTextField;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.border.TitledBorder;

import org.fest.swing.core.GenericTypeMatcher;
import org.fest.swing.core.matcher.JButtonMatcher;
import org.fest.swing.core.matcher.JLabelMatcher;
import org.fest.swing.edt.FailOnThreadViolationRepaintManager;
import org.fest.swing.edt.GuiActionRunner;
import org.fest.swing.edt.GuiQuery;
import org.fest.swing.fixture.FrameFixture;
import org.fest.swing.timing.Pause;
import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

public class TestNormalCDC {

	private FrameFixture window;
	
	@BeforeClass public static void setUpOnce() {
		   FailOnThreadViolationRepaintManager.install();
	}
	 
	@Before public void setUp() {
		CalculadorPrestacao calc = GuiActionRunner.execute(new GuiQuery<CalculadorPrestacao>() {
	      protected CalculadorPrestacao executeInEDT() {
	    	  // Inicializando com taxa padrão de 2,5% e Salário Mínimo de R$ 724,00
	    	  CalculadorPrestacao calc = new CalculadorPrestacao(2.5, 724.00);
	    	  return calc; 
	      }
	  });
	  window = new FrameFixture(calc);
	  window.show();

	}
	
	@Test
	public void testNormalCDC() {
		
		// A janela está visível?
        window.requireVisible();
        
        // O título está correto?
        assertThat(window.component().getTitle()).isEqualTo("Cooperativa ABCD - Cálculo de Empréstimos");
        
        // Vamos fazer um empréstimo OK
        // Capital: R$ 1.000,00, prazo: 12 meses
        GenericTypeMatcher<JFormattedTextField> textMatcher = new GenericTypeMatcher<JFormattedTextField>(JFormattedTextField.class) {
        	  @Override protected boolean isMatching(JFormattedTextField capital) {
        	    return "R$ 0,00".equals(capital.getText());
        	  }
        	};        
        window.textBox(textMatcher).enterText("1000,00");
        GenericTypeMatcher<JFormattedTextField> textMatcher2 = new GenericTypeMatcher<JFormattedTextField>(JFormattedTextField.class) {
      	  @Override protected boolean isMatching(JFormattedTextField capital) {
      	    return "0".equals(capital.getText());
      	  }
      	};           
      	window.textBox(textMatcher2).setText("12");
      	GenericTypeMatcher<JRadioButton> textMatcher3 = new GenericTypeMatcher<JRadioButton>(JRadioButton.class) {
      	  @Override protected boolean isMatching(JRadioButton cdcRadio) {
      	    return "CDC".equals(cdcRadio.getText());
      	  }
      	}; 
      	window.radioButton(textMatcher3).check();
      	window.button(JButtonMatcher.withText("Calcular")).click();
      	Pause.pause();
      	GenericTypeMatcher<JPanel> panelMatcher = new GenericTypeMatcher<JPanel>(JPanel.class) {
        	  @Override protected boolean isMatching(JPanel resultados) {
        		  boolean resultado = false;
        		  TitledBorder border = (TitledBorder) resultados.getBorder();
        		  if (border != null) {
          			  if ("Resultado da simulação".equals(border.getTitle())) {
          				  resultado = true;
          			  }
          		  }
        		  return resultado;
        	  }
        	}; 
    	GenericTypeMatcher<JPanel> msgMatcher = new GenericTypeMatcher<JPanel>(JPanel.class) {
      	  @Override protected boolean isMatching(JPanel resultados) {
      		  boolean resultado = false;
      		  TitledBorder border = (TitledBorder) resultados.getBorder();
      		  if (border != null) {
      			  if ("Atenção:".equals(border.getTitle())) {
      				  resultado = true;
      			  }
      		  }
      		  return resultado;
      	  }
      	};        
      	
      	// Tem que exibir o JPanel com os resultados
        window.panel(panelMatcher).requireVisible();
        
        // Não pode exibir o JPanel com a mensagem de erro
        window.panel(msgMatcher).requireNotVisible();
        
        // Verificando o resultado do cálculo
        window.label(JLabelMatcher.withText("R$ 0,00")).requireVisible();
        window.label(JLabelMatcher.withText("R$ 1.000,00")).requireVisible();
        window.label(JLabelMatcher.withText("R$ 108,33")).requireVisible();
        window.button(JButtonMatcher.withText("Limpar")).requireVisible();
        
        // Agora. vamos clicar para limpar tudo: 
        window.button(JButtonMatcher.withText("Limpar")).click();
        Pause.pause();
        window.panel(panelMatcher).requireNotVisible();
        window.panel(msgMatcher).requireNotVisible();
        
	}

	@After public void tearDown() {
		  window.cleanUp();
		}
}

This is a JUnit test case, that uses FEST to test a Swing application. Note that there are no changes in the Swing app, and the test was created long after the code was written. It is possible to test any app.

Check project: https://github.com/cleuton/FESTdemo