content: /*
   * 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.cassandra.cql3.validation.miscellaneous;
  
  import org.junit.Test;
  
  import org.apache.cassandra.cql3.CQLTester;
  import org.apache.cassandra.exceptions.SyntaxException;
  
  public class PgStringTest extends CQLTester
  {
      @Test
      public void testPgSyleFunction() throws Throwable
      {
          execute("create or replace function "+KEYSPACE+".pgfun1 ( input double ) called on null input returns text language java\n" +
                  "AS $$return \"foobar\";$$");
      }
  
      @Test
      public void testPgSyleInsert() throws Throwable
      {
          createTable("CREATE TABLE %s (key ascii primary key, val text)");
  
          // some non-terminated pg-strings
          assertInvalidSyntax("INSERT INTO %s (key, val) VALUES ($ $key_empty$$, $$'' value for empty$$)");
          assertInvalidSyntax("INSERT INTO %s (key, val) VALUES ($$key_empty$$, $$'' value for empty$ $)");
          assertInvalidSyntax("INSERT INTO %s (key, val) VALUES ($$key_empty$ $, $$'' value for empty$$)");
  
          // different pg-style markers for multiple strings
          execute("INSERT INTO %s (key, val) VALUES ($$prim$ $ $key$$, $$some '' arbitrary value$$)");
          // same empty pg-style marker for multiple strings
          execute("INSERT INTO %s (key, val) VALUES ($$key_empty$$, $$'' value for empty$$)");
          // stange but valid pg-style
          execute("INSERT INTO %s (key, val) VALUES ($$$foo$_$foo$$, $$$'' value for empty$$)");
          // these are conventional quoted strings
          execute("INSERT INTO %s (key, val) VALUES ('$txt$key$$$$txt$', '$txt$'' other value$txt$')");
  
          assertRows(execute("SELECT key, val FROM %s WHERE key='prim$ $ $key'"),
                     row("prim$ $ $key", "some '' arbitrary value")
          );
          assertRows(execute("SELECT key, val FROM %s WHERE key='key_empty'"),
                     row("key_empty", "'' value for empty")
          );
          assertRows(execute("SELECT key, val FROM %s WHERE key='$foo$_$foo'"),
                     row("$foo$_$foo", "$'' value for empty")
          );
          assertRows(execute("SELECT key, val FROM %s WHERE key='$txt$key$$$$txt$'"),
                     row("$txt$key$$$$txt$", "$txt$' other value$txt$")
          );
  
          // invalid syntax
          assertInvalidSyntax("INSERT INTO %s (key, val) VALUES ($ascii$prim$$$key$invterm$, $txt$some '' arbitrary value$txt$)");
      }
  
      @Test(expected = SyntaxException.class)
      public void testMarkerPgFail() throws Throwable
      {
          // must throw SyntaxException - not StringIndexOutOfBoundsException or similar
          execute("create function "+KEYSPACE+".pgfun1 ( input double ) called on null input returns bigint language java\n" +
                  "AS $javasrc$return 0L;$javasrc$;");
      }
  }
  