private DSLMappingEntry createEntry(final String inputKey, final String inputValue) throws IOException { String mapping = "[condition][]" + inputKey + "=" + inputValue; StringReader dsl = new StringReader( mapping ); DSLMappingEntry entry = null; try { DSLTokenizedMappingFile parser = new DSLTokenizedMappingFile(); if ( parser.parseAndLoad( dsl ) ) { entry = parser.getMapping().getEntries().get( 0 ); } else { throw new RuntimeException( "Error parsing entry: " + mapping + ": " + parser.getErrors().toString() ); } } finally { dsl.close(); } return entry; }
@Test public void testANTLRExpandParts() throws Exception { DSLTokenizedMappingFile file = new DSLTokenizedMappingFile(); String dsl = "[when]foo=Foo()" + NL + "[then]bar {num}=baz({num});"; file.parseAndLoad(new StringReader(dsl)); assertEquals(0, file.getErrors().size()); DefaultExpander ex = new DefaultExpander(); ex.addDSLMapping(file.getMapping()); //System.err.println(ex.expand( "rule 'x' " + NL + " when " + NL + " foo " + NL + " then " + NL + " end" )); }
private void checkExpansion(String source, String expected) throws Exception { DSLTokenizedMappingFile file = new DSLTokenizedMappingFile(); String dsl = "[when]There is an TestObject=TestObject()" + NL + "[when]-startDate is before {date}=startDate>DateUtils.parseDate(\"{date}\")" + NL + "[when]-endDate is after {date}=endDate>DateUtils.parseDate(\"{date}\")"; file.parseAndLoad(new StringReader(dsl)); assertEquals(0, file.getErrors().size()); DefaultExpander ex = new DefaultExpander(); ex.addDSLMapping(file.getMapping()); String drl = ex.expand(source); assertFalse(ex.hasErrors()); assertEquals(expected, drl); }
@Test public void testExpandQuery() throws Exception { DSLTokenizedMappingFile file = new DSLTokenizedMappingFile(); String dsl = "[when]There is a person=Person()" + NL + "[when]- {field:\\w*} {operator} {value:\\d*}={field} {operator} {value}" + NL + "[when]is greater than=>"; String source = "query \"isMature\"" + NL + "There is a person" + NL + "- age is greater than 18" + NL + "end" + NL; String expected = "query \"isMature\"" + NL + "Person(age > 18)" + NL + "end" + NL; file.parseAndLoad(new StringReader(dsl)); assertEquals(0, file.getErrors().size()); DefaultExpander ex = new DefaultExpander(); ex.addDSLMapping(file.getMapping()); String drl = ex.expand(source); assertFalse(ex.hasErrors()); assertEquals(expected, drl); }
@Test public void testANTLRExpandWithKeywordClashes() throws Exception { DSLTokenizedMappingFile file = new DSLTokenizedMappingFile(); String dsl = "[when]Invoke rule executor=ruleExec: RuleExecutor()" + NL + "[then]Execute rule \"{id}\"=ruleExec.ExecuteSubRule( new Long({id}));"; file.parseAndLoad(new StringReader(dsl)); assertEquals(0, file.getErrors().size()); DefaultExpander ex = new DefaultExpander(); ex.addDSLMapping(file.getMapping()); String source = "package something;" + NL + NL + "rule \"1\"" + NL + "when" + NL + " Invoke rule executor" + NL + "then" + NL + " Execute rule \"5\"" + NL + "end"; String expected = "package something;" + NL + NL + "rule \"1\"" + NL + "when" + NL + " ruleExec: RuleExecutor()" + NL + "then" + NL + " ruleExec.ExecuteSubRule( new Long(5));" + NL + "end"; String drl = ex.expand(source); // System.out.println("["+drl+"]" ); // System.out.println("["+expected+"]" ); assertFalse(ex.hasErrors()); assertEquals(expected, drl); }
@Test public void testANTLREnumExpand() throws Exception { DSLTokenizedMappingFile file = new DSLTokenizedMappingFile(); String dsl = "[when]When the credit rating is {rating:ENUM:Applicant.creditRating} = applicant:Applicant(credit=={rating})"; file.parseAndLoad(new StringReader(dsl)); assertEquals(0, file.getErrors().size()); DefaultExpander ex = new DefaultExpander(); ex.addDSLMapping(file.getMapping()); String source = "rule \"TestNewDslSetup\"" + NL + "dialect \"mvel\"" + NL + "when" + NL + "When the credit rating is AA" + NL + "then " + NL + "end"; // String source="rule \"TestNewDslSetup\"" + NL+ // "dialect \"mvel\"" + NL+ // "when" + NL+ // "When the credit rating is OK" + NL+ // "then" + NL+ // "end" + NL; String drl = ex.expand(source); String expected = "rule \"TestNewDslSetup\"" + NL + "dialect \"mvel\"" + NL + "when" + NL + "applicant:Applicant(credit==AA)" + NL + "then " + NL + "end"; assertFalse(ex.getErrors().toString(), ex.hasErrors()); assertEquals(expected, drl); //System.err.println(ex.expand( "rule 'x' " + NL + " when " + NL + " foo " + NL + " then " + NL + " end" )); }
@Test public void testExpandExpr() throws Exception { DSLTokenizedMappingFile file = new DSLTokenizedMappingFile(); String dsl = "[when]Name of Applicant {nameVar:CF:Applicant.age}= System.out.println({nameVar})"; String source = "rule \"test rule for custom form in DSL\"" + NL + " dialect \"mvel\"" + NL + " when" + NL + " Name of Applicant Bojan Oklahoma and NJ,Andrew AMW Test" + NL + " then" + NL + "end"; String expected = "rule \"test rule for custom form in DSL\"" + NL + " dialect \"mvel\"" + NL + " when" + NL + " System.out.println(Bojan Oklahoma and NJ,Andrew AMW Test)" + NL + " then" + NL + "end"; file.parseAndLoad(new StringReader(dsl)); assertEquals(0, file.getErrors().size()); DefaultExpander ex = new DefaultExpander(); ex.addDSLMapping(file.getMapping()); String drl = ex.expand(source); assertFalse(ex.hasErrors()); assertEquals(expected, drl); }
@Test public void testANTLRExpandFailure() throws Exception { DSLTokenizedMappingFile file = new DSLTokenizedMappingFile(); String dsl = "[when]foo=Foo()" + NL + "[then]bar {num}=baz({num});"; file.parseAndLoad(new StringReader(dsl)); assertEquals(0, file.getErrors().size()); DefaultExpander ex = new DefaultExpander(); ex.addDSLMapping(file.getMapping()); String source = "rule 'q'" + NL + "agenda-group 'x'" + NL + "when" + NL + " foo " + NL + "then" + NL + " bar 42" + NL + "end"; String drl = ex.expand(source); assertFalse(ex.hasErrors()); ex = new DefaultExpander(); ex.addDSLMapping(file.getMapping()); source = "rule 'q' agenda-group 'x'" + NL + "when" + NL + " foos " + NL + "then" + NL + " bar 42" + NL + " end"; drl = ex.expand(source); //System.out.println( drl ); assertTrue(ex.hasErrors()); assertEquals(1, ex.getErrors().size()); //System.err.println(( (ExpanderException) ex.getErrors().get( 0 )).getMessage()); }
private void logDslErrors( final DSLTokenizedMappingFile dslLoader ) { for ( final Object o : dslLoader.getErrors() ) { if ( o instanceof DSLMappingParseException ) { final DSLMappingParseException dslMappingParseException = (DSLMappingParseException) o; errors.add( "Line " + dslMappingParseException.getLine() + " : " + dslMappingParseException.getMessage() ); } else if ( o instanceof Exception ) { final Exception excp = (Exception) o; errors.add( "Exception " + excp.getClass() + " " + excp.getMessage() + " " + excp.getCause() ); } else { errors.add( "Uncategorized error " + o ); } } }
private List<ValidationMessage> makeValidationMessages( final DSLTokenizedMappingFile dslLoader ) { final List<ValidationMessage> messages = new ArrayList<ValidationMessage>(); for ( final Object o : dslLoader.getErrors() ) { if ( o instanceof DSLMappingParseException ) { final DSLMappingParseException dslMappingParseException = (DSLMappingParseException) o; messages.add( makeNewValidationMessage( dslMappingParseException ) ); } else if ( o instanceof Exception ) { final Exception e = (Exception) o; messages.add( makeNewValidationMessage( e ) ); } else { messages.add( makeNewValidationMessage( o ) ); } } return messages; }
private List<ValidationMessage> makeValidationMessages( final DSLTokenizedMappingFile dslLoader ) { final List<ValidationMessage> messages = new ArrayList<ValidationMessage>(); for ( final Object o : dslLoader.getErrors() ) { if ( o instanceof DSLMappingParseException ) { final DSLMappingParseException dslMappingParseException = (DSLMappingParseException) o; messages.add( makeNewValidationMessage( dslMappingParseException ) ); } else if ( o instanceof Exception ) { final Exception e = (Exception) o; messages.add( makeNewValidationMessage( e ) ); } else { messages.add( makeNewValidationMessage( o ) ); } } return messages; }