From 84f0ecd3786ac15b17c915a1028149d1d3d51471 Mon Sep 17 00:00:00 2001
From: Eric Hettiaratchi <35978114+Braavos96@users.noreply.github.com>
Date: Tue, 14 May 2019 16:36:54 +0100
Subject: [PATCH] Add unit tests for com.baidu.hugegraph.util.StringUtil

These tests were written using Diffblue Cover.
---
 .../baidu/hugegraph/unit/UnitTestSuite.java   |  2 +
 .../hugegraph/unit/core/StringUtilTest.java   | 59 +++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 hugegraph-test/src/main/java/com/baidu/hugegraph/unit/core/StringUtilTest.java

diff --git a/hugegraph-test/src/main/java/com/baidu/hugegraph/unit/UnitTestSuite.java b/hugegraph-test/src/main/java/com/baidu/hugegraph/unit/UnitTestSuite.java
index 98d0297fbe..1ca55986f8 100644
--- a/hugegraph-test/src/main/java/com/baidu/hugegraph/unit/UnitTestSuite.java
+++ b/hugegraph-test/src/main/java/com/baidu/hugegraph/unit/UnitTestSuite.java
@@ -31,6 +31,7 @@
 import com.baidu.hugegraph.unit.core.EdgeIdTest;
 import com.baidu.hugegraph.unit.core.JsonUtilTest;
 import com.baidu.hugegraph.unit.core.VersionTest;
+import com.baidu.hugegraph.unit.core.StringUtilTest;
 import com.baidu.hugegraph.unit.rocksdb.RocksDBCountersTest;
 import com.baidu.hugegraph.unit.rocksdb.RocksDBSessionsTest;
 
@@ -46,6 +47,7 @@
     EdgeIdTest.class,
     AnalyzerTest.class,
     JsonUtilTest.class,
+    StringUtilTest.class,
 
     RocksDBSessionsTest.class,
     RocksDBCountersTest.class
diff --git a/hugegraph-test/src/main/java/com/baidu/hugegraph/unit/core/StringUtilTest.java b/hugegraph-test/src/main/java/com/baidu/hugegraph/unit/core/StringUtilTest.java
new file mode 100644
index 0000000000..31389763a5
--- /dev/null
+++ b/hugegraph-test/src/main/java/com/baidu/hugegraph/unit/core/StringUtilTest.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2019 HugeGraph Authors
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with this
+ * work for additional information regarding copyright ownership. The ASF
+ * licenses this file to You 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
+ *
+ *     http://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 com.baidu.hugegraph.unit.core;
+
+import com.baidu.hugegraph.util.StringUtil;
+import org.junit.Assert;
+import org.junit.Test;
+import java.util.ArrayList;
+
+public class StringUtilTest {
+
+    @Test
+    public void testDesc() {
+        Assert.assertEquals(".\'\'()", StringUtil.desc("\'\'", new ArrayList<>()));
+        Assert.assertEquals(".1\'2\'3()", StringUtil.desc("1\'2\'3", new ArrayList<>()));
+        Assert.assertEquals(".a\'b\'c()", StringUtil.desc("a\'b\'c", new ArrayList<>()));
+    }
+
+    @Test
+    public void testEscape() {
+        Assert.assertEquals("a2b2c",
+                StringUtil.escape('2', '\u0000', "a", "b", "c"));
+        Assert.assertEquals("12\u0000223",
+                StringUtil.escape('2', '\u0000', "1", "2", "3"));
+    }
+
+    @Test
+    public void testUnescape() {
+        Assert.assertEquals(1, StringUtil.unescape("", "", "").length);
+        Assert.assertEquals(1, StringUtil.unescape("foo", "bar", "baz").length);
+    }
+
+    @Test
+    public void testValueOf() {
+        Assert.assertEquals(12, StringUtil.valueOf(Integer.class, "12"));
+        Assert.assertEquals(123L, StringUtil.valueOf(Long.class, "123"));
+        Assert.assertEquals(12.34, StringUtil.valueOf(Double.class, "12.34"));
+        Assert.assertEquals(12.34f, StringUtil.valueOf(Float.class, "12.34"));
+        Assert.assertEquals((byte) 12, StringUtil.valueOf(Byte.class, "12"));
+        Assert.assertEquals((short) 12, StringUtil.valueOf(Short.class, "12"));
+    }
+}