add test: StringHelper

src/test/java/util/StringHelperTest.java

@@ -0,0 +1,44 @@
+package util;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/*
+ * @Author: Wang Feng
+ * @Description:
+ * @Version: 1.0.0
+ * @Date: 19:47 2021/3/23
+ * @Copyright: MIN-Group；国家重大科技基础设施——未来网络北大实验室；深圳市信息论与未来网络重点实验室
+ */
+public class StringHelperTest {
+    @Test
+    public void testEscapeAndUnescape(){
+        String s1="北京大学深圳研究生院";
+        String s2=StringHelper.escape(s1);
+        System.out.println(s2);
+        String s3=StringHelper.unescape(s2);
+        System.out.println(s3);
+        assertEquals(s1,s3);
+    }
+
+    @Test
+    public void testEscape(){
+        String s="-_~.a北京大学z深圳A研究生院Z";
+        String encoded=StringHelper.escape(s);
+        String want="-_~.a%E5%8C%97%E4%BA%AC%E5%A4%A7%E5%AD%A6z%E6%B7%B1%E5%9C%B3A%E7%A0%94%E7%A9%B6%E7%94%9F%E9%99%A2Z";
+        String decoded=StringHelper.unescape(encoded);
+        assertEquals(encoded,want);
+        assertEquals(decoded,s);
+    }
+
+    @Test
+    public void testEscape2(){
+        String s="-_~.azAZ09";
+        String encoded=StringHelper.escape(s);
+        String want="-_~.azAZ09";
+        String decoded=StringHelper.unescape(encoded);
+        assertEquals(encoded,want);
+        assertEquals(decoded,s);
+    }
+}