/*
 * Copyright 2012-2019 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.boot.autoconfigure.web.embedded;

import org.junit.Before;
import org.junit.Test;

import org.springframework.boot.autoconfigure.web.ServerProperties;
import org.springframework.boot.context.properties.source.ConfigurationPropertySources;
import org.springframework.boot.web.embedded.netty.NettyReactiveWebServerFactory;
import org.springframework.mock.env.MockEnvironment;

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;

/**
 * Tests for {@link NettyWebServerFactoryCustomizer}.
 *
 * @author Brian Clozel
 */
public class NettyWebServerFactoryCustomizerTests {

	private MockEnvironment environment;

	private ServerProperties serverProperties;

	private NettyWebServerFactoryCustomizer customizer;

	@Before
	public void setup() {
		this.environment = new MockEnvironment();
		this.serverProperties = new ServerProperties();
		ConfigurationPropertySources.attach(this.environment);
		this.customizer = new NettyWebServerFactoryCustomizer(this.environment, this.serverProperties);
	}

	@Test
	public void deduceUseForwardHeaders() {
		this.environment.setProperty("DYNO", "-");
		NettyReactiveWebServerFactory factory = mock(NettyReactiveWebServerFactory.class);
		this.customizer.customize(factory);
		verify(factory).setUseForwardHeaders(true);
	}

	@Test
	public void defaultUseForwardHeaders() {
		NettyReactiveWebServerFactory factory = mock(NettyReactiveWebServerFactory.class);
		this.customizer.customize(factory);
		verify(factory).setUseForwardHeaders(false);
	}

	@Test
	public void setUseForwardHeaders() {
		this.serverProperties.setUseForwardHeaders(true);
		NettyReactiveWebServerFactory factory = mock(NettyReactiveWebServerFactory.class);
		this.customizer.customize(factory);
		verify(factory).setUseForwardHeaders(true);
	}

}
