src/test/java/RewriteTest.java

import com.fasterxml.jackson.databind.JsonNode;
import de.ids_mannheim.korap.config.BeanConfiguration;
import de.ids_mannheim.korap.config.KustvaktConfiguration;
import de.ids_mannheim.korap.query.serialize.QuerySerializer;
import de.ids_mannheim.korap.resource.LayerMapper;
import de.ids_mannheim.korap.resource.RewriteProcessor;
import de.ids_mannheim.korap.resource.rewrite.CollectionCleanupFilter;
import de.ids_mannheim.korap.resource.rewrite.CollectionConstraint;
import de.ids_mannheim.korap.resource.rewrite.FoundryInject;
import de.ids_mannheim.korap.resource.rewrite.RewriteHandler;
import de.ids_mannheim.korap.utils.JsonUtils;
import org.junit.BeforeClass;
import org.junit.Test;

/**
 * @author hanl
 * @date 18/06/2015
 */
//todo: refactor and structure tests
public class RewriteTest {

    private static String simple_add_query = "[pos=ADJA]";
    private static String simple_rewrite_query = "[base=Haus]";
    private static String complex_rewrite_query = "<c=INFC>";
    private static String complex_rewrite_query2 = "[orth=laufe/i & base!=Lauf]";
    private static String complex_rewrite_query3 = "[(base=laufen | base=gehen) & tt/pos=VVFIN]";

    private static KustvaktConfiguration config;

    @BeforeClass
    public static void init() {
        BeanConfiguration.loadClasspathContext();
        config = BeanConfiguration.getBeans().getConfiguration();
    }

    @Test
    public void testSimpleFoundryAddThrowsNoError() {
        RewriteProcessor processor = new RewriteProcessor(config);
        QuerySerializer s = new QuerySerializer();
        s.setQuery(simple_add_query, "poliqarp");
        String result = processor.process(s.toJSON());
        JsonNode node = JsonUtils.readTree(result);

        assert node != null;
        assert !node.at("/query/wrap/foundry").isMissingNode();
    }

    @Test
    public void testDefaultLayerMapperThrowsNoException() {
        LayerMapper m = new LayerMapper(config);

        assert m.findFoundry("lemma").equals(config.getDefault_lemma());
        assert m.findFoundry("pos").equals(config.getDefault_pos());
        assert m.findFoundry("surface").equals(config.getDefault_surface());
        assert m.findFoundry("d").equals(config.getDefault_dep());
        assert m.findFoundry("c").equals(config.getDefault_const());
    }

    @Test
    public void testFoundryInjectPosNoErrors() {
        QuerySerializer s = new QuerySerializer();
        RewriteHandler handler = new RewriteHandler();
        s.setQuery("[pos=ADJA]", "poliqarp");
        handler.add(new FoundryInject(config));
        String result = handler.apply(s.toJSON(), null);
        JsonNode node = JsonUtils.readTree(result);

        assert node != null;
        assert !node.at("/query/wrap/foundry").isMissingNode();
        assert !node.at("/query/wrap/rewrites").isMissingNode();
        assert node.at("/query/wrap/rewrites/0/@type").asText()
                .equals("koral:rewrite");
    }

    @Test
    public void testFoundryInjectJoinedQueryNoErrors() {
        QuerySerializer s = new QuerySerializer();
        RewriteHandler handler = new RewriteHandler();
        s.setQuery("[orth=laufe/i & base!=Lauf]", "poliqarp");
        handler.add(new FoundryInject(config));
        String result = handler.apply(s.toJSON(), null);
        JsonNode node = JsonUtils.readTree(result);

        assert node != null;
        assert node.at("/query/wrap/@type").asText().equals("koral:termGroup");
        assert !node.at("/query/wrap/operands/0/foundry").isMissingNode();
        assert !node.at("/query/wrap/operands/0/rewrites").isMissingNode();
        assert !node.at("/query/wrap/operands/1/foundry").isMissingNode();
        assert !node.at("/query/wrap/operands/1/rewrites").isMissingNode();
    }

    @Test
    public void testFoundryInjectGroupedQueryNoErrors() {
        QuerySerializer s = new QuerySerializer();
        RewriteHandler handler = new RewriteHandler();
        s.setQuery("[(base=laufen | base=gehen) & tt/pos=VVFIN]", "poliqarp");
        handler.add(new FoundryInject(config));
        String result = handler.apply(s.toJSON(), null);
        JsonNode node = JsonUtils.readTree(result);

        assert node != null;
        assert node.at("/query/wrap/@type").asText().equals("koral:termGroup");
        assert !node.at("/query/wrap/operands/0/operands/0/foundry")
                .isMissingNode();
        assert !node.at("/query/wrap/operands/0/operands/0/rewrites")
                .isMissingNode();
        assert !node.at("/query/wrap/operands/0/operands/1/foundry")
                .isMissingNode();
        assert !node.at("/query/wrap/operands/0/operands/1/rewrites")
                .isMissingNode();

        assert !node.at("/query/wrap/operands/1/foundry").isMissingNode();
        assert node.at("/query/wrap/operands/1/rewrites").isMissingNode();
    }

    @Test
    public void testCollectionNodeRemoveCorpusIdNoErrors() {
        RewriteHandler handler = new RewriteHandler();
        handler.add(new CollectionConstraint());
        QuerySerializer s = new QuerySerializer();
        s.setQuery(simple_add_query, "poliqarp");
        s.setCollection("textClass=politik & corpusID=WPD");
        String result = s.toJSON();
        JsonNode node = JsonUtils.readTree(handler.apply(result, null));
        assert node != null;
        assert node.at("/collection/operands").size() == 1;
    }

    @Test
    public void testCollectionNodeRemoveAllCorpusIdNoErrors() {
        RewriteHandler handler = new RewriteHandler();
        handler.add(new CollectionConstraint());
        QuerySerializer s = new QuerySerializer();
        s.setQuery(simple_add_query, "poliqarp");
        s.setCollection("corpusID=BRZ13 & corpusID=WPD");
        String result = s.toJSON();
        JsonNode node = JsonUtils.readTree(handler.apply(result, null));

        assert node != null;
        assert node.at("/collection/operands").size() == 0;
    }

    @Test
    public void testCollectionNodeRemoveGroupedCorpusIdNoErrors() {
        RewriteHandler handler = new RewriteHandler();
        handler.add(new CollectionConstraint());
        QuerySerializer s = new QuerySerializer();
        s.setQuery(simple_add_query, "poliqarp");
        s.setCollection(
                "(corpusID=BRZ13 & textClass=Wissenschaft) & corpusID=WPD");
        String result = s.toJSON();
        JsonNode node = JsonUtils.readTree(handler.apply(result, null));

        assert node != null;
        assert node.at("/collection/operands/0/@type").asText()
                .equals("koral:docGroup");
        assert node.at("/collection/operands/0/operands/0/key").asText()
                .equals("textClass");
    }

    //fixme: will probably fail when one doc groups are being refactored
    @Test
    public void testCollectionCleanEmptyDocGroupNoErrors() {
        RewriteHandler handler = new RewriteHandler();
        handler.add(new CollectionConstraint());
        handler.add(new CollectionCleanupFilter());
        QuerySerializer s = new QuerySerializer();
        s.setQuery(simple_add_query, "poliqarp");
        s.setCollection(
                "(corpusID=BRZ13 & corpusID=WPD) & textClass=Wissenschaft & textClass=Sport");
        String result = s.toJSON();
        JsonNode node = JsonUtils.readTree(handler.apply(result, null));
        assert node != null;
        assert node.at("/collection/@type").asText().equals("koral:docGroup");
        assert node.at("/collection/operands").size() == 2;
        assert node.at("/collection/operands/0/key").asText()
                .equals("textClass");
        assert node.at("/collection/operands/1/key").asText()
                .equals("textClass");
    }

    @Test
    public void testCollectionCleanMoveOneDocFromGroupUpNoErrors() {
        RewriteHandler handler = new RewriteHandler();
        handler.add(new CollectionConstraint());
        handler.add(new CollectionCleanupFilter());
        QuerySerializer s = new QuerySerializer();
        s.setQuery(simple_add_query, "poliqarp");
        s.setCollection("(corpusID=BRZ13 & textClass=Wissenschaft)");
        String result = s.toJSON();
        JsonNode node = JsonUtils.readTree(handler.apply(result, null));
        assert node != null;
        assert node.at("/collection/@type").asText().equals("koral:doc");
    }

    @Test
    public void testCollectionCleanEmptyGroupAndMoveOneDocFromGroupUpNoErrors() {
        RewriteHandler handler = new RewriteHandler();
        handler.add(new CollectionConstraint());
        handler.add(new CollectionCleanupFilter());
        QuerySerializer s = new QuerySerializer();
        s.setQuery(simple_add_query, "poliqarp");
        s.setCollection(
                "(corpusID=BRZ13 & corpusID=WPD) & textClass=Wissenschaft");
        String result = s.toJSON();
        JsonNode node = JsonUtils.readTree(handler.apply(result, null));
        assert node != null;
        assert node.at("/collection/@type").asText().equals("koral:doc");
        assert node.at("/collection/key").asText().equals("textClass");
    }

}