snuyanzin commented on code in PR #26385:
URL: https://github.com/apache/flink/pull/26385#discussion_r2031786003


##########
flink-table/flink-table-api-java/src/test/java/org/apache/flink/table/api/TableEnvironmentTest.java:
##########
@@ -158,6 +167,121 @@ void testTableFromDescriptor() {
         assertThat(tEnv.getCatalogManager().listTables()).isEmpty();
     }
 
+    @Test
+    void testCreateModelFromDescriptor() throws Exception {
+        final TableEnvironmentMock tEnv = 
TableEnvironmentMock.getStreamingInstance();
+
+        assertCreateModelFromDescriptor(tEnv, false);
+    }
+
+    @Test
+    void testCreateModelIgnoreIfExistsFromDescriptor() throws Exception {
+        final TableEnvironmentMock tEnv = 
TableEnvironmentMock.getStreamingInstance();
+
+        assertCreateModelFromDescriptor(tEnv, true);
+        assertThatNoException()
+                .isThrownBy(() -> tEnv.createModel("M", TEST_MODEL_DESCRIPTOR, 
true));
+
+        assertThatThrownBy(() -> tEnv.createModel("M", TEST_MODEL_DESCRIPTOR, 
false))
+                .isInstanceOf(ValidationException.class)
+                .hasMessage(
+                        "Could not execute CreateModel in path 
`default_catalog`.`default_database`.`M`");
+    }
+
+    @Test
+    void testCreateModelWithSameName() {
+        final TableEnvironmentMock tEnv = 
TableEnvironmentMock.getStreamingInstance();
+
+        tEnv.createModel("M", TEST_MODEL_DESCRIPTOR);
+
+        tEnv.createModel("M", TEST_MODEL_DESCRIPTOR, true);
+
+        assertThatThrownBy(() -> tEnv.createModel("M", TEST_MODEL_DESCRIPTOR, 
false))
+                .isInstanceOf(ValidationException.class)
+                .hasMessage(
+                        "Could not execute CreateModel in path 
`default_catalog`.`default_database`.`M`");
+
+        assertThatThrownBy(() -> tEnv.createModel("M", TEST_MODEL_DESCRIPTOR))
+                .isInstanceOf(ValidationException.class)
+                .hasMessage(
+                        "Could not execute CreateModel in path 
`default_catalog`.`default_database`.`M`");
+    }

Review Comment:
   couldn't it be simplified with parameterized test?



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