Package org.drools.compiler.lang.dsl

Examples of org.drools.compiler.lang.dsl.DSLTokenizedMappingFile

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    }

    @Test
    public void testANTLRLineNumberError() throws Exception {
        DSLTokenizedMappingFile file = new DSLTokenizedMappingFile();
        String dsl = "[when]foo=Foo()" + NL + "[then]bar {num}=baz({num});";
        file.parseAndLoad(new StringReader(dsl));

        DefaultExpander ex = new DefaultExpander();
        ex.addDSLMapping(file.getMapping());
        String source = "rule 'q'" + NL + "agenda-group 'x'" + NL + "when" + NL + "    __  " + NL +
                "then" + NL + "    bar 42" + NL + "\tgoober" + NL + "end";
        ex.expand(source);
        assertTrue(ex.hasErrors());
        assertEquals(2,
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    }

    @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\"\ndialect \"mvel\"\nwhen\nWhen the credit rating is AA\nthen \nend";

        //        String source="rule \"TestNewDslSetup\"\n"+
        //                        "dialect \"mvel\"\n"+
        //                        "when\n"+
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        checkExpansion(source, expected);
    }

    private void checkExpansion(String source, String expected) throws Exception {
        DSLTokenizedMappingFile file = new DSLTokenizedMappingFile();
        String dsl = "[when]There is an TestObject=TestObject()\n"
                + "[when]-startDate is before {date}=startDate>DateUtils.parseDate(\"{date}\")\n"
                + "[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);
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        assertEquals(expected, drl);
    }

    @Test
    public void testExpandQuery() throws Exception {
        DSLTokenizedMappingFile file = new DSLTokenizedMappingFile();
        String dsl = "[when]There is a person=Person()\n" +
                "[when]- {field:\\w*} {operator} {value:\\d*}={field} {operator} {value}\n" +
                "[when]is greater than=>";

        String source = "query \"isMature\"\n" +
                "There is a person\n" +
                "- age is greater than 18\n" +
                "end\n";

        String expected = "query \"isMature\"\n" +
                "Person(age  >  18)\n" +
                "end\n";

        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);
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        assertEquals(expected, drl);
    }

    @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\"\n" +
                "     dialect \"mvel\"\n" +
                "     when\n" +
                "         Name of Applicant Bojan Oklahoma and NJ,Andrew AMW Test\n" +
                "     then\n" +
                "end";

        String expected = "rule \"test rule for custom form in DSL\"\n" +
                "     dialect \"mvel\"\n" +
                "     when\n" +
                "         System.out.println(Bojan Oklahoma and NJ,Andrew AMW Test)\n" +
                "     then\n" +
                "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());
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    }

    @Test(timeout = 1000)
    public void testExpandInfiniteLoop() throws Exception {
        // DROOLS-73
        DSLMappingFile file = new DSLTokenizedMappingFile();
        String dsl = "[when]Foo with {var} bars=Foo( bars == {var} )";
        file.parseAndLoad(new StringReader(dsl));
        assertEquals(0, file.getErrors().size());

        DefaultExpander ex = new DefaultExpander();
        ex.addDSLMapping(file.getMapping());
        String source = "rule 'dsl rule'\nwhen\n Foo with {var} bars\nthen\n\nend";
        ex.expand(source);
        assertFalse(ex.hasErrors());
    }
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                        "    then\n" +
                        "        System.out.println(\"Your First Rule\");\n" +
                        "\n" +
                        "end\n";

        DSLTokenizedMappingFile file = new DSLTokenizedMappingFile();
        file.parseAndLoad(new StringReader(dsl));
        assertEquals(file.getErrors().toString(),
                0,
                file.getErrors().size());

        DefaultExpander ex = new DefaultExpander();
        ex.addDSLMapping(file.getMapping());

        String drl = ex.expand(source);
        assertFalse(ex.hasErrors());

        assertEquals(expected, drl);
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                        + "when\n"
                        + "then\n"
                        + "list.add(\"X\");\n"
                        + "end\n";

        DSLTokenizedMappingFile file = new DSLTokenizedMappingFile();
        file.parseAndLoad(new StringReader(dsl));
        assertEquals(file.getErrors().toString(),
                0,
                file.getErrors().size());

        DefaultExpander ex = new DefaultExpander();
        ex.addDSLMapping(file.getMapping());

        String drl = ex.expand(source);
        assertFalse(ex.hasErrors());

        assertEquals(expected, drl);
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        DefaultExpanderResolver resolver = new DefaultExpanderResolver(new StringReader(dsl));
       
       
        final DSLMappingFile file = new DSLTokenizedMappingFile();
        if ( file.parseAndLoad( new StringReader(dsl) ) ) {
            final Expander expander = new DefaultExpander();
            expander.addDSLMapping( file.getMapping() );
            resolver.addExpander("*", expander);
        } else {
            throw new RuntimeDroolsException( "Error parsing and loading DSL file." + file.getErrors() );
        }

        DrlParser parser = new DrlParser(LanguageLevelOption.DRL5);
        String result = parser.getExpandedDRL( drl, resolver);
        assertEqualsIgnoreWhitespace( "rule 'foo' \n when \n Something() \n then \n another(); \nend", result );
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    }

    @Test
    public void testANTLRLineNumberError() throws Exception {
        DSLTokenizedMappingFile file = new DSLTokenizedMappingFile();
        String dsl = "[when]foo=Foo()" + NL + "[then]bar {num}=baz({num});";
        file.parseAndLoad( new StringReader( dsl ) );

        DefaultExpander ex = new DefaultExpander();
        ex.addDSLMapping( file.getMapping() );
        String source = "rule 'q'" + NL + "agenda-group 'x'" + NL + "when" + NL + "    __  " + NL +
                "then" + NL + "    bar 42" + NL + "\tgoober" + NL + "end";
        ex.expand( source );
        assertTrue( ex.hasErrors() );
        assertEquals( 2,
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Related Classes of org.drools.compiler.lang.dsl.DSLTokenizedMappingFile

  • org.antlr.runtime.ANTLRReaderStream
  • org.antlr.runtime.CommonTokenStream
  • org.antlr.runtime.tree.CommonTree
  • org.antlr.runtime.tree.CommonTreeNodeStream
  • org.drools.compiler.builder.impl.KnowledgeBuilderImpl
  • org.drools.compiler.compiler.DrlParserTest
  • org.drools.compiler.compiler.PackageBuilder
  • org.drools.compiler.compiler.ParserError
  • org.drools.compiler.lang.dsl.ANTLRDSLTest
  • org.drools.compiler.lang.dsl.DefaultExpanderTest
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