package org.robobinding.widget.edittext;

import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertThat;
import static org.robobinding.util.RandomValues.either;
import static org.robobinding.widget.edittext.TwoWayTextAttributeGroup.TEXT;

import org.junit.Test;
import org.robobinding.attribute.MalformedAttributeException;
import org.robobinding.attribute.MissingRequiredAttributesException;
import org.robobinding.widget.AbstractGroupedViewAttributeTest;
import org.robolectric.annotation.Config;

import android.widget.EditText;

/**
 * 
 * @since 1.0
 * @version $Revision: 1.0 $
 * @author Robert Taylor
 */
@Config(manifest = Config.NONE)
public class TwoWayTextAttributeGroupTest extends AbstractGroupedViewAttributeTest<EditText, TwoWayTextAttributeGroup> {
	private final Attribute oneWayBindingText = attribute("text={name}");
	private final Attribute twoWayBindingText = attribute("text=${name}");
	private final Attribute valueCommitMode = attribute("valueCommitMode=onChange");

	@Test
	public void givenATextAttribute_thenCreateInstance() {
		givenAttribute(either(oneWayBindingText, twoWayBindingText));

		performInitialization();

		assertThatAttributeWasCreated(TwoWayTextAttribute.class);
	}

	@Test
	public void givenATextAttribute_thenValueCommitModeShouldDefaultToOnChange() {
		givenAttribute(either(oneWayBindingText, twoWayBindingText));

		performInitialization();

		assertThat(currentValueCommitMode(), equalTo(ValueCommitMode.ON_CHANGE));
	}

	private ValueCommitMode currentValueCommitMode() {
		return ((TwoWayTextAttribute) childViewAttribute(TEXT)).valueCommitMode;
	}

	@Test
	public void givenTwoWayBindingTextAndValueCommitModeAttributes_thenCreateTextAttribute() {
		givenAttributes(twoWayBindingText, valueCommitMode);

		performInitialization();

		assertThatAttributeWasCreated(TwoWayTextAttribute.class);
	}

	@Test
	public void givenValueCommitModeAttribute_thenSetValueCommitModeAccordingly() {
		String valueCommitModeValue = either("onChange", "onFocusLost");
		Attribute valueCommitMode = attribute("valueCommitMode=" + valueCommitModeValue);
		givenAttributes(twoWayBindingText, valueCommitMode);

		performInitialization();

		assertThat(currentValueCommitMode(), equalTo(ValueCommitMode.from(valueCommitModeValue)));
	}

	@Test(expected = MissingRequiredAttributesException.class)
	public void givenValueCommitModeAttributeOnly_thenReject() {
		givenAttribute(valueCommitMode);

		performInitialization();
	}

	@Test(expected = MalformedAttributeException.class)
	public void givenOneWayBindingTextAndValueCommitModeAttributes_thenReject() {
		givenAttributes(oneWayBindingText, valueCommitMode);

		performInitialization();
	}

}