Examples with EmoticonRatio org.dkpro.tc.features.twitter.EmoticonRatio used on opensource projects

Example 1 with EmoticonRatio

use of org.dkpro.tc.features.twitter.EmoticonRatio in project dkpro-tc by dkpro.

the class EmoticonRatioTest method emoticonRatioFeatureExtractorTest.

@Test
public void emoticonRatioFeatureExtractorTest() throws Exception {
    AnalysisEngineDescription desc = createEngineDescription(NoOpAnnotator.class);
    AnalysisEngine engine = createEngine(desc);
    TokenBuilder<Token, Sentence> builder = TokenBuilder.create(Token.class, Sentence.class);
    JCas jcas = engine.newJCas();
    jcas.setDocumentLanguage("en");
    builder.buildTokens(jcas, "This is a very emotional tweet ;-)");
    POS_EMO emo = new POS_EMO(jcas);
    emo.setBegin(31);
    emo.setEnd(34);
    emo.addToIndexes();
    engine.process(jcas);
    TextClassificationTarget aTarget = new TextClassificationTarget(jcas, 0, jcas.getDocumentText().length());
    aTarget.addToIndexes();
    EmoticonRatio extractor = new EmoticonRatio();
    List<Feature> features = new ArrayList<Feature>(extractor.extract(jcas, aTarget));
    Assert.assertEquals(1, features.size());
    for (Feature feature : features) {
        assertFeature(EmoticonRatio.class.getSimpleName(), 0.14, feature, 0.01);
    }
}