java-recipe-manager/src/test/java/org/leumasjaffe/recipe/view/StepPanelTest.java

package org.leumasjaffe.recipe.view;

import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.Mockito.*;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import javax.swing.JLabel;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.leumasjaffe.mock.MockObserverListener;
import org.leumasjaffe.observer.ObserverDispatch;
import org.leumasjaffe.recipe.model.Amount;
import org.leumasjaffe.recipe.model.Duration;
import org.leumasjaffe.recipe.model.Ingredient;
import org.leumasjaffe.recipe.model.Step;
import org.mockito.InjectMocks;
import org.mockito.Spy;
import org.mockito.junit.jupiter.MockitoExtension;

@ExtendWith(MockitoExtension.class)
class StepPanelTest extends SwingTestCase {
	List<Ingredient> ingredients;
	Step stuff;
	
	@Spy JLabel lblIndex;
	@Spy AutoGrowPanel<IngredientPanel, Ingredient> panelIngredients =
			new AutoGrowPanel<>(Ingredient::new, IngredientPanel::new);
	@InjectMocks StepPanel panel = new StepPanel();

	@BeforeEach
	void setUp() {
		ingredients = new ArrayList<>(Arrays.asList(new Ingredient("Onion", "Sliced", new Amount("100 g"))));
		stuff = new Step();
		stuff.setDuration(new Duration("30 s"));
		stuff.setIngredients(ingredients);
		stuff.setInstruction("These are test instructions");
		
		panel.setModel(stuff);
	}

	@Test
	void testFilledOutWithContent() {
		assertEquals("These are test instructions", panel.getTxtpnInstructions().getText());
		verify(panelIngredients).setModel(same(ingredients), any());
	}
	
	@Test
	void testSetListPositionUpdatesIndex() {
		panel.setListPosition(1);
		verify(lblIndex).setText("Step 2");
	}
	
	@Test
	void testUpdatesContentOnNotification() {
		stuff.setInstruction("New instructions");
		ObserverDispatch.notifySubscribers(stuff);
		
		assertEquals("New instructions", panel.getTxtpnInstructions().getText());
	}
	
	@Test
	void testViewUpdatesAltersModel() {
		panel.getTxtpnInstructions().setText("New instructions");
		waitForSwing();
		
		assertEquals("New instructions", stuff.getInstruction());
	}

	@Test
	void testPropogatesNotifications() {
		final MockObserverListener listener = spy(MockObserverListener.class);
		listener.setObserved(stuff);
		// setObserved invokes our callback.
		clearInvocations(listener);
		
		ObserverDispatch.notifySubscribers(ingredients.get(0));
		
		verify(listener, atLeast(1)).updateWasSignalled();
	}
}