/* * The MIT License (MIT) * * Copyright (c) 2014-2019 Yegor Bugayenko * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package org.takes.rs; import java.awt.image.BufferedImage; import java.awt.image.RenderedImage; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.nio.charset.StandardCharsets; import java.util.zip.GZIPInputStream; import javax.imageio.ImageIO; import org.apache.commons.io.IOUtils; import org.hamcrest.MatcherAssert; import org.hamcrest.Matchers; import org.junit.Test; import org.takes.Response; /** * Test case for {@link RsGzip}. * @since 0.10 * @checkstyle ClassDataAbstractionCouplingCheck (500 lines) */ public final class RsGzipTest { /** * RsGzip can build a compressed response. * @throws IOException If some problem inside */ @Test public void makesCompressedResponse() throws IOException { final String text = "some unicode text: \u20ac\n\t"; final Response response = new RsGzip(new RsText(text)); MatcherAssert.assertThat( new RsPrint(response).printHead(), Matchers.containsString("Content-Encoding: gzip") ); MatcherAssert.assertThat( IOUtils.toString( new GZIPInputStream(response.body()), StandardCharsets.UTF_8 ), Matchers.equalTo(text) ); } /** * RsGzip can build a compressed PNG image. * @throws IOException If some problem inside */ @Test public void makesCompressedPngImage() throws IOException { final RenderedImage image = new BufferedImage( 1, 1, BufferedImage.TYPE_INT_ARGB ); final ByteArrayOutputStream baos = new ByteArrayOutputStream(); ImageIO.write(image, "png", baos); final ByteArrayOutputStream gzip = new ByteArrayOutputStream(); new RsPrint( new RsGzip( new RsWithBody(baos.toByteArray()) ) ).printBody(gzip); final BufferedImage reverse = ImageIO.read( new GZIPInputStream(new ByteArrayInputStream(gzip.toByteArray())) ); MatcherAssert.assertThat(reverse.getHeight(), Matchers.equalTo(1)); } /** * RsGzip can report correct content length. * @throws IOException If some problem inside */ @Test public void reportsCorrectContentLength() throws IOException { final String text = "some text to encode"; final Response response = new RsGzip(new RsText(text)); final ByteArrayOutputStream baos = new ByteArrayOutputStream(); new RsPrint(response).printBody(baos); MatcherAssert.assertThat( new RsPrint(response).printHead(), Matchers.containsString( String.format( "Content-Length: %d", baos.toByteArray().length ) ) ); } }