Examples with ProjectSomeFieldsPredicate edu.uci.ics.textdb.textql.statements.predicates.ProjectSomeFieldsPredicate used on opensource projects

Example 11 with ProjectSomeFieldsPredicate

use of edu.uci.ics.textdb.textql.statements.predicates.ProjectSomeFieldsPredicate in project textdb by TextDB.

the class CreateViewStatementTest method testCreateViewStatementBeansBuilder01.

/**
     * Test the correctness of the generated beans by a CreateViewStatement with
     * a SelectExtractStatement as sub-statement with a
     * SelectSomeFieldsPredicate and a KeywordExtractPredicate.
     * Get a graph by calling getInternalOperatorBeans() and getInternalLinkBeans()
     * methods and check if the generated path form the node getInputNodeID() to 
     * the node getOutputNodeID() is correct. Also check whether getInputViews()
     * is returning the correct dependencies.  
     */
@Test
public void testCreateViewStatementBeansBuilder01() {
    ProjectPredicate projectPredicate = new ProjectSomeFieldsPredicate(Arrays.asList("x", "y"));
    ExtractPredicate extractPredicate = new KeywordExtractPredicate(Arrays.asList("a", "b"), "zzz", KeywordMatchingType.SUBSTRING_SCANBASED.toString());
    Statement subStatement = new SelectStatement("id", projectPredicate, extractPredicate, "from", null, null);
    CreateViewStatement createViewStatement = new CreateViewStatement("idx", subStatement);
    List<PredicateBase> expectedGeneratedBeans = Collections.emptyList();
    List<String> dependencies = Arrays.asList(subStatement.getId());
    Assert.assertEquals(createViewStatement.getInputViews(), dependencies);
    StatementTestUtils.assertGeneratedBeans(createViewStatement, expectedGeneratedBeans);
}