Add CaseInsensitiveQualifiedTableTest

kernel/data-pipeline/core/src/test/java/org/apache/shardingsphere/data/pipeline/common/metadata/CaseInsensitiveQualifiedTableTest.java

@@ -0,0 +1,39 @@
+/*
+ * 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 org.apache.shardingsphere.data.pipeline.common.metadata;
+
+import org.junit.jupiter.api.Test;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+class CaseInsensitiveQualifiedTableTest {
+
+    @Test
+    void assertToString() {
+        CaseInsensitiveQualifiedTable actual = new CaseInsensitiveQualifiedTable(new CaseInsensitiveIdentifier(null), new CaseInsensitiveIdentifier("t_order"));
+        assertThat(actual.toString(), is("t_order"));
+    }
+
+    @Test
+    void assertToStringThrowsNPE() {
+        CaseInsensitiveQualifiedTable actual = new CaseInsensitiveQualifiedTable(null, new CaseInsensitiveIdentifier("t_order"));
+        assertThrows(NullPointerException.class, actual::toString);
+    }
+}