test(apollo-core): PropertiesUtilTest

apollo-core/src/test/java/com/ctrip/framework/apollo/core/utils/PropertiesUtilTest.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2021 Apollo Authors
+ *
+ * Licensed 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.ctrip.framework.apollo.core.utils;
+import org.junit.Test;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import java.io.IOException;
+import java.io.StringWriter;
+import java.util.Properties;
+
+/**
+ * @author Wu Mingkan(Dalian University of Technology)
+ * @since 2021/11/23
+ *
+ */
+public class PropertiesUtilTest {
+
+
+    @Test
+    public void TestProperties() throws IOException {
+        assertTrue("".equals(PropertiesUtil.toString(new Properties())));
+        assertFalse(" ".equals(PropertiesUtil.toString(new Properties())));
+
+        Properties properties = new Properties();
+        properties.put("a","aaa");
+        assertTrue("a=aaa\r\n".equals(PropertiesUtil.toString(properties))
+                || "a=aaa\n".equals(PropertiesUtil.toString(properties)));
+
+    }
+
+    @Test
+    public void TestFilterComment(){
+        StringBuffer sb=new StringBuffer("#aaaaa\nbbb");
+        PropertiesUtil.filterPropertiesComment(sb);
+        assertTrue("bbb".equals(sb.toString()));
+        assertFalse("#aaaaa\nbbb".equals(sb.toString()));
+    }
+}