[Feature][Connector-V2][Paimon] Add paimon read IT case

seatunnel-e2e/seatunnel-connector-v2-e2e/connector-paimon-e2e/src/test/java/org/apache/seatunnel/e2e/connector/paimon/PaimonIT.java

@@ -52,9 +52,11 @@ public class PaimonIT extends TestSuiteBase {
             };
 
     @TestTemplate
-    public void testWriteToPaimon(TestContainer container)
+    public void testWriteAndReadPaimon(TestContainer container)
             throws IOException, InterruptedException {
         Container.ExecResult textWriteResult = container.executeJob("/fake_to_paimon.conf");
         Assertions.assertEquals(0, textWriteResult.getExitCode());
+        Container.ExecResult readResult = container.executeJob("/paimon_to_assert.conf");
+        Assertions.assertEquals(0, readResult.getExitCode());
     }
 }

seatunnel-e2e/seatunnel-connector-v2-e2e/connector-paimon-e2e/src/test/resources/paimon_to_assert.conf

@@ -0,0 +1,72 @@
+#
+# 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.
+#
+
+env {
+  execution.parallelism = 1
+  spark.app.name = "SeaTunnel"
+  spark.executor.instances = 2
+  spark.executor.cores = 1
+  spark.executor.memory = "1g"
+  spark.master = local
+  job.mode = "BATCH"
+}
+
+source {
+  Paimon {
+    warehouse = "/tmp/paimon"
+    database = "default"
+    table = "st_test"
+    result_table_name = paimon_source
+  }
+}
+
+sink {
+  Console {
+    source_table_name = paimon_source
+  }
+  Assert {
+    source_table_name = paimon_source
+    rules {
+      row_rules = [
+        {
+          rule_type = MAX_ROW
+          rule_value = 5
+        }
+      ],
+      field_rules = [
+        {
+          field_name = c_string
+          field_type = string
+          filed_value = [
+            {
+              rule_type = NOT_NULL
+            }
+          ]
+        },
+        {
+          field_name = c_boolean
+          field_type = boolean
+          filed_value = [
+            {
+              rule_type = NOT_NULL
+            }
+          ]
+        }
+      ]
+    }
+  }
+}