/*
 * Copyright 2002-2019 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.http;

import java.time.Duration;
import java.time.Instant;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;

import org.junit.Test;

import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;

/**
 * Unit tests for {@link ResponseCookie}.
 * @author Rossen Stoyanchev
 */
public class ResponseCookieTests {

	@Test
	public void defaultValues() {
		assertEquals("id=1fWa", ResponseCookie.from("id", "1fWa").build().toString());
	}

	@Test
	public void httpOnlyStrictSecureWithDomainAndPath() {
		assertEquals("id=1fWa; Path=/projects; Domain=spring.io; Secure; HttpOnly",
				ResponseCookie.from("id", "1fWa").domain("spring.io").path("/projects")
						.httpOnly(true).secure(true).build().toString());
	}

	@Test
	public void maxAge() {

		Duration maxAge = Duration.ofDays(365);
		String expires = HttpHeaders.formatDate(System.currentTimeMillis() + maxAge.toMillis());
		expires = expires.substring(0, expires.indexOf(":") + 1);

		assertThat(ResponseCookie.from("id", "1fWa").maxAge(maxAge).build().toString(), allOf(
				startsWith("id=1fWa; Max-Age=31536000; Expires=" + expires),
				endsWith(" GMT")));

		assertThat(ResponseCookie.from("id", "1fWa").maxAge(maxAge.getSeconds()).build().toString(), allOf(
				startsWith("id=1fWa; Max-Age=31536000; Expires=" + expires),
				endsWith(" GMT")));
	}

	@Test
	public void maxAge0() {
		assertEquals("id=1fWa; Max-Age=0; Expires=Thu, 01 Jan 1970 00:00:00 GMT",
				ResponseCookie.from("id", "1fWa").maxAge(Duration.ofSeconds(0)).build().toString());

		assertEquals("id=1fWa; Max-Age=0; Expires=Thu, 01 Jan 1970 00:00:00 GMT",
				ResponseCookie.from("id", "1fWa").maxAge(0).build().toString());
	}

}
