IGNITE-22530 Add new test

Author: Andrei Nadyktov

modules/cdc-ext/src/main/java/org/apache/ignite/cdc/CdcRegexManager.java

@@ -57,7 +57,7 @@ public void compileRegexp(String includeTemplate, String excludeTemplate) {
             excludeFilter = Pattern.compile(excludeTemplate);
         }
         catch (PatternSyntaxException e) {
-            throw new IgniteException("Invalid cache regexp template.", e);
+            throw new IgniteException("Invalid cache regexp template", e);
         }
     }
 }

modules/cdc-ext/src/test/java/org/apache/ignite/cdc/RegexFiltersSelfTest.java

@@ -5,6 +5,7 @@
 import java.util.stream.IntStream;
 
 import org.apache.ignite.IgniteCache;
+import org.apache.ignite.IgniteException;
 import org.apache.ignite.cdc.thin.IgniteToIgniteClientCdcStreamer;
 import org.apache.ignite.cluster.ClusterState;
 import org.apache.ignite.configuration.CacheConfiguration;
@@ -76,6 +77,8 @@ private enum WaitDataMode {
     /** */
     private static final String REGEX_EXCLUDE_PATTERN = "forbidden.*";
 
+    private static final String INVALID_PATTERN = "[aaaaaaaaaaaaa";
+
     /** */
     private static final int KEYS_CNT = 1000;
 
@@ -325,6 +328,26 @@ public void testRegexExcludeFilters() throws Exception {
         cdc.cancel();
     }
 
+    /**
+     * Test checks that CDC won't start if invalid cache regexp is set.
+     */
+    @Test
+    public void testInvalidRegex() throws Exception {
+        src.cluster().state(ClusterState.ACTIVE);
+
+        dest.cluster().state(ClusterState.ACTIVE);
+
+        IgniteInternalFuture<?> cdc = startCdc(src.configuration(), TEST_CACHE, INVALID_PATTERN, "");
+
+        waitForCondition(() -> cdc.error() != null, getTestTimeout());
+
+        assertEquals(IgniteException.class, cdc.error().getClass());
+
+        assertEquals("Invalid cache regexp template", cdc.error().getMessage());
+
+        cdc.cancel();
+    }
+
     /** */
     private static class TestI2IClientCdcStreamer extends IgniteToIgniteClientCdcStreamer {
         /** */