[Add] 增加Pixiv动图下载构建工具类 PixivUgoiraBuilder;

[Add] 增加针对 PixivUgoiraBuilder 的单元测试类;

src/test/java/net/lamgc/cgj/pixiv/PixivUgoiraBuilderTest.java

@@ -0,0 +1,25 @@
+package net.lamgc.cgj.pixiv;
+
+import org.apache.http.HttpHost;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.bouncycastle.util.io.Streams;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Files;
+
+public class PixivUgoiraBuilderTest {
+
+    @Test
+    public void buildTest() throws IOException {
+        File outputFile = new File("./output2.gif");
+        CloseableHttpClient httpClient = HttpClientBuilder.create().setProxy(new HttpHost("127.0.0.1", 1001)).build();
+        PixivUgoiraBuilder builder = new PixivUgoiraBuilder(httpClient, 80766493);
+        InputStream inputStream = builder.buildUgoira(true);
+        Files.write(outputFile.toPath(), Streams.readAll(inputStream));
+    }
+
+}