/*
 * Copyright 2012-2017 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
 *
 *      http://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;

import java.time.Duration;

import org.junit.Test;

import org.springframework.boot.autoconfigure.web.ResourceProperties.Cache;
import org.springframework.boot.testsupport.assertj.Matched;
import org.springframework.http.CacheControl;

import static org.assertj.core.api.Assertions.assertThat;
import static org.hamcrest.CoreMatchers.endsWith;

/**
 * Tests for {@link ResourceProperties}.
 *
 * @author Stephane Nicoll
 * @author Kristine Jetzke
 */
public class ResourcePropertiesTests {

	private final ResourceProperties properties = new ResourceProperties();

	@Test
	public void resourceChainNoCustomization() {
		assertThat(this.properties.getChain().getEnabled()).isNull();
	}

	@Test
	public void resourceChainStrategyEnabled() {
		this.properties.getChain().getStrategy().getFixed().setEnabled(true);
		assertThat(this.properties.getChain().getEnabled()).isTrue();
	}

	@Test
	public void resourceChainEnabled() {
		this.properties.getChain().setEnabled(true);
		assertThat(this.properties.getChain().getEnabled()).isTrue();
	}

	@Test
	public void resourceChainDisabled() {
		this.properties.getChain().setEnabled(false);
		assertThat(this.properties.getChain().getEnabled()).isFalse();
	}

	@Test
	public void defaultStaticLocationsAllEndWithTrailingSlash() {
		assertThat(this.properties.getStaticLocations()).are(Matched.by(endsWith("/")));
	}

	@Test
	public void customStaticLocationsAreNormalizedToEndWithTrailingSlash() {
		this.properties.setStaticLocations(new String[] { "/foo", "/bar", "/baz/" });
		String[] actual = this.properties.getStaticLocations();
		assertThat(actual).containsExactly("/foo/", "/bar/", "/baz/");
	}

	@Test
	public void emptyCacheControl() {
		CacheControl cacheControl = this.properties.getCache()
				.getCachecontrol().toHttpCacheControl();
		assertThat(cacheControl.getHeaderValue()).isNull();
	}

	@Test
	public void cacheControlAllPropertiesSet() {
		Cache.Cachecontrol properties = this.properties.getCache().getCachecontrol();
		properties.setMaxAge(Duration.ofSeconds(4));
		properties.setCachePrivate(true);
		properties.setCachePublic(true);
		properties.setMustRevalidate(true);
		properties.setNoTransform(true);
		properties.setProxyRevalidate(true);
		properties.setSMaxAge(Duration.ofSeconds(5));
		properties.setStaleIfError(Duration.ofSeconds(6));
		properties.setStaleWhileRevalidate(Duration.ofSeconds(7));
		CacheControl cacheControl = properties.toHttpCacheControl();
		assertThat(cacheControl.getHeaderValue()).isEqualTo(
				"max-age=4, must-revalidate, no-transform, public, private, proxy-revalidate,"
						+ " s-maxage=5, stale-if-error=6, stale-while-revalidate=7");
	}

	@Test
	public void invalidCacheControlCombination() {
		Cache.Cachecontrol properties = this.properties.getCache().getCachecontrol();
		properties.setMaxAge(Duration.ofSeconds(4));
		properties.setNoStore(true);
		CacheControl cacheControl = properties.toHttpCacheControl();
		assertThat(cacheControl.getHeaderValue()).isEqualTo("no-store");
	}

}
