🎨 优化单元测试

Author: binarywang

src/main/java/cn/binarywang/tools/generator/util/ChineseCharUtils.java

@@ -184,9 +184,5 @@ public static char getOneOddChar() {
             .charAt(random.nextInt(ODD_CHINESE_CHARS.length()));
     }
 
-    public static void main(String args[]) {
-        System.out.println(genOneChineseChars());
-        System.out.println(genFixedLengthChineseChars(20));
-        System.out.println(genRandomLengthChineseChars(2, 10));
-    }
+
 }

src/test/java/cn/binarywang/tools/generator/util/ChineseCharUtilsTest.java

@@ -0,0 +1,39 @@
+package cn.binarywang.tools.generator.util;
+
+import org.testng.annotations.Test;
+
+import static cn.binarywang.tools.generator.util.ChineseCharUtils.*;
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * 单元测试.
+ *
+ * @author <a href="https://github.com/binarywang">Binary Wang</a>
+ * @date 2020-10-03
+ */
+@Test
+public class ChineseCharUtilsTest {
+    public void testGenOneChineseChars() {
+        final String result = genOneChineseChars();
+        System.out.println(result);
+        assertThat(result).hasSize(1);
+    }
+
+    public void testGenFixedLengthChineseChars() {
+        final String result = genFixedLengthChineseChars(20);
+        System.out.println(result);
+        assertThat(result).hasSize(20);
+    }
+
+    public void testGenRandomLengthChineseChars() {
+        final String result = genRandomLengthChineseChars(2, 10);
+        System.out.println(result);
+        assertThat(result).hasSizeBetween(2, 10);
+    }
+
+    public void testGetOneOddChar() {
+        final char result = getOneOddChar();
+        System.out.println(result);
+        assertThat(result).isNotNull();
+    }
+}