Add test cases on ReadwriteSplittingExportableRuleAttribute

features/readwrite-splitting/core/src/test/java/org/apache/shardingsphere/readwritesplitting/rule/attribute/ReadwriteSplittingExportableRuleAttributeTest.java

@@ -0,0 +1,57 @@
+/*
+ * 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.readwritesplitting.rule.attribute;
+
+import org.apache.shardingsphere.infra.rule.attribute.exportable.constant.ExportableConstants;
+import org.apache.shardingsphere.infra.rule.attribute.exportable.constant.ExportableItemConstants;
+import org.apache.shardingsphere.readwritesplitting.config.rule.ReadwriteSplittingDataSourceGroupRuleConfiguration;
+import org.apache.shardingsphere.readwritesplitting.rule.ReadwriteSplittingDataSourceGroupRule;
+import org.apache.shardingsphere.readwritesplitting.transaction.TransactionalReadQueryStrategy;
+import org.junit.jupiter.api.Test;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.mockito.Mockito.mock;
+
+class ReadwriteSplittingExportableRuleAttributeTest {
+
+    @Test
+    void assertGetExportData() {
+        ReadwriteSplittingDataSourceGroupRuleConfiguration config = new ReadwriteSplittingDataSourceGroupRuleConfiguration("foo_group", "write_ds", Arrays.asList("read_ds0", "read_ds1"), "foo_algo");
+        Map<String, ReadwriteSplittingDataSourceGroupRule> dataSourceGroupRules = new HashMap<>(2, 1F);
+        dataSourceGroupRules.put("ignored_group", mock(ReadwriteSplittingDataSourceGroupRule.class));
+        dataSourceGroupRules.put("foo_group", new ReadwriteSplittingDataSourceGroupRule(config, TransactionalReadQueryStrategy.FIXED, null));
+        ReadwriteSplittingExportableRuleAttribute ruleAttribute = new ReadwriteSplittingExportableRuleAttribute(dataSourceGroupRules);
+        Map<String, Object> actual = ruleAttribute.getExportData();
+        assertThat(actual.size(), is(1));
+        assertStaticDataSources(actual);
+    }
+
+    @SuppressWarnings("unchecked")
+    private void assertStaticDataSources(final Map<String, Object> actual) {
+        Map<String, Map<String, String>> actualStaticDataSources = (Map<String, Map<String, String>>) actual.get(ExportableConstants.EXPORT_STATIC_READWRITE_SPLITTING_RULE);
+        assertThat(actualStaticDataSources.size(), is(1));
+        assertThat(actualStaticDataSources.get("foo_group").size(), is(2));
+        assertThat(actualStaticDataSources.get("foo_group").get(ExportableItemConstants.PRIMARY_DATA_SOURCE_NAME), is("write_ds"));
+        assertThat(actualStaticDataSources.get("foo_group").get(ExportableItemConstants.REPLICA_DATA_SOURCE_NAMES), is("read_ds0,read_ds1"));
+    }
+}