コード例 #1
0
  /**
   * Tests whether an algebra expression gives the same results when run both with and without a
   * given optimizer
   *
   * @param algStr Algebra
   * @param ds Dataset
   * @param opt Optimizer
   * @param expected Expected number of results
   */
  public static void testAsAlgebra(String algStr, Dataset ds, Symbol opt, int expected) {
    Op op = SSE.parseOp(algStr);
    List<String> vars = new ArrayList<>();
    for (Var v : OpVars.visibleVars(op)) {
      vars.add(v.getName());
    }

    // Track current state
    boolean isEnabled = ARQ.isTrue(opt);
    boolean isDisabled = ARQ.isFalse(opt);

    try {
      // Run first without optimization
      ARQ.set(opt, false);
      QueryEngineMain engine =
          new QueryEngineMain(op, ds.asDatasetGraph(), BindingFactory.binding(), ARQ.getContext());
      QueryIterator iter =
          engine.eval(op, ds.asDatasetGraph(), BindingFactory.binding(), ARQ.getContext());
      ResultSetRewindable rs =
          ResultSetFactory.makeRewindable(
              new ResultSetStream(vars, ModelFactory.createDefaultModel(), iter));
      if (expected != rs.size()) {
        System.err.println("Non-optimized results not as expected");
        TextOutput output = new TextOutput((SerializationContext) null);
        output.format(System.out, rs);
        rs.reset();
      }
      Assert.assertEquals(expected, rs.size());
      iter.close();

      // Run with optimization
      ARQ.set(opt, true);
      engine =
          new QueryEngineMain(op, ds.asDatasetGraph(), BindingFactory.binding(), ARQ.getContext());
      QueryIterator iterOpt =
          engine.eval(op, ds.asDatasetGraph(), BindingFactory.binding(), ARQ.getContext());
      ResultSetRewindable rsOpt =
          ResultSetFactory.makeRewindable(
              new ResultSetStream(vars, ModelFactory.createDefaultModel(), iterOpt));
      if (expected != rsOpt.size()) {
        System.err.println("Optimized results not as expected");
        TextOutput output = new TextOutput((SerializationContext) null);
        output.format(System.out, rsOpt);
        rsOpt.reset();
      }
      Assert.assertEquals(expected, rsOpt.size());
      iterOpt.close();

      Assert.assertTrue(ResultSetCompare.isomorphic(rs, rsOpt));
    } finally {
      // Restore previous state
      if (isEnabled) {
        ARQ.set(opt, true);
      } else if (isDisabled) {
        ARQ.set(opt, false);
      } else {
        ARQ.unset(opt);
      }
    }
  }
コード例 #2
0
ファイル: QueryTest.java プロジェクト: hdadler/sensetrace-src
  void printFailedResultSetTest(
      Query query,
      QueryExecution qe,
      ResultSetRewindable qrExpected,
      ResultSetRewindable qrActual) {
    PrintStream out = System.out;
    out.println();
    out.println("=======================================");
    out.println("Failure: " + description());
    out.println("Query: \n" + query);
    //       if ( qe != null && qe.getDataset() != null )
    //       {
    //           out.println("Data: \n"+qe.getDataset().asDatasetGraph()) ;
    //       }
    out.println("Got: " + qrActual.size() + " --------------------------------");
    qrActual.reset();
    ResultSetFormatter.out(out, qrActual, query.getPrefixMapping());
    qrActual.reset();
    out.flush();

    out.println("Expected: " + qrExpected.size() + " -----------------------------");
    qrExpected.reset();
    ResultSetFormatter.out(out, qrExpected, query.getPrefixMapping());
    qrExpected.reset();

    out.println();
    out.flush();
  }
コード例 #3
0
ファイル: QueryTest.java プロジェクト: hdadler/sensetrace-src
  void runTestSelect(Query query, QueryExecution qe) throws Exception {
    // Do the query!
    ResultSetRewindable resultsActual = ResultSetFactory.makeRewindable(qe.execSelect());

    qe.close();

    if (results == null) return;

    // Assumes resultSetCompare can cope with full isomorphism possibilities.
    ResultSetRewindable resultsExpected;
    if (results.isResultSet())
      resultsExpected = ResultSetFactory.makeRewindable(results.getResultSet());
    else if (results.isModel())
      resultsExpected = ResultSetFactory.makeRewindable(results.getModel());
    else {
      fail("Wrong result type for SELECT query");
      resultsExpected = null; // Keep the compiler happy
    }

    if (query.isReduced()) {
      // Reduced - best we can do is DISTINCT
      resultsExpected = unique(resultsExpected);
      resultsActual = unique(resultsActual);
    }

    // Hack for CSV : tests involving bNodes need manually checking.
    if (testItem.getResultFile().endsWith(".csv")) {
      resultsActual = convertToStrings(resultsActual);
      resultsActual.reset();

      int nActual = ResultSetFormatter.consume(resultsActual);
      int nExpected = ResultSetFormatter.consume(resultsExpected);
      resultsActual.reset();
      resultsExpected.reset();
      assertEquals("CSV: Different number of rows", nExpected, nActual);
      boolean b = resultSetEquivalent(query, resultsExpected, resultsActual);
      if (!b) System.out.println("Manual check of CSV results required: " + testItem.getName());
      return;
    }

    boolean b = resultSetEquivalent(query, resultsExpected, resultsActual);

    if (!b) {
      resultsExpected.reset();
      resultsActual.reset();
      boolean b2 = resultSetEquivalent(query, resultsExpected, resultsActual);
      printFailedResultSetTest(query, qe, resultsExpected, resultsActual);
    }
    assertTrue("Results do not match: " + testItem.getName(), b);

    return;
  }
コード例 #4
0
  /**
   * Tests whether a query gives the same results when run both with and without a given optimizer
   *
   * @param queryStr Query
   * @param ds Dataset
   * @param opt Optimizer
   * @param expected Expected number of results
   */
  public static void test(String queryStr, Dataset ds, Symbol opt, int expected) {
    Query q = QueryFactory.create(queryStr);

    if (!q.isSelectType()) Assert.fail("Only SELECT queries are testable with this method");

    Op op = Algebra.compile(q);
    // Track current state
    boolean isEnabled = ARQ.isTrue(opt);
    boolean isDisabled = ARQ.isFalse(opt);

    try {
      // Run first without optimization
      ARQ.set(opt, false);
      ResultSetRewindable rs;
      try (QueryExecution qe = QueryExecutionFactory.create(q, ds)) {
        rs = ResultSetFactory.makeRewindable(qe.execSelect());
        if (expected != rs.size()) {
          System.err.println("Non-optimized results not as expected");
          TextOutput output = new TextOutput((SerializationContext) null);
          output.format(System.out, rs);
          rs.reset();
        }
        Assert.assertEquals(expected, rs.size());
      }

      // Run with optimization
      ARQ.set(opt, true);
      ResultSetRewindable rsOpt;
      try (QueryExecution qeOpt = QueryExecutionFactory.create(q, ds)) {
        rsOpt = ResultSetFactory.makeRewindable(qeOpt.execSelect());
        if (expected != rsOpt.size()) {
          System.err.println("Optimized results not as expected");
          TextOutput output = new TextOutput((SerializationContext) null);
          output.format(System.out, rsOpt);
          rsOpt.reset();
        }
        Assert.assertEquals(expected, rsOpt.size());
      }
      Assert.assertTrue(ResultSetCompare.isomorphic(rs, rsOpt));
    } finally {
      // Restore previous state
      if (isEnabled) {
        ARQ.set(opt, true);
      } else if (isDisabled) {
        ARQ.set(opt, false);
      } else {
        ARQ.unset(opt);
      }
    }
  }
コード例 #5
0
ファイル: QueryTest.java プロジェクト: hdadler/sensetrace-src
  // TEMPORARY
  private boolean checkResultsByModel(
      Query query, Model expectedModel, ResultSetRewindable results) {
    // Fudge - can't cope with ordered results properly.  The output writer for ResultSets does nto
    // add rs:index.

    results.reset();
    Model actualModel = ResultSetFormatter.toModel(results);
    // Tidy the models.
    // Very regretable.

    expectedModel.removeAll(null, RDF.type, ResultSetGraphVocab.ResultSet);
    expectedModel.removeAll(null, RDF.type, ResultSetGraphVocab.ResultSolution);
    expectedModel.removeAll(null, RDF.type, ResultSetGraphVocab.ResultBinding);
    expectedModel.removeAll(null, ResultSetGraphVocab.size, (RDFNode) null);
    expectedModel.removeAll(null, ResultSetGraphVocab.index, (RDFNode) null);

    actualModel.removeAll(null, RDF.type, ResultSetGraphVocab.ResultSet);
    actualModel.removeAll(null, RDF.type, ResultSetGraphVocab.ResultSolution);
    actualModel.removeAll(null, RDF.type, ResultSetGraphVocab.ResultBinding);
    actualModel.removeAll(null, ResultSetGraphVocab.size, (RDFNode) null);
    actualModel.removeAll(null, ResultSetGraphVocab.index, (RDFNode) null);

    boolean b = expectedModel.isIsomorphicWith(actualModel);
    if (!b) {
      System.out.println("---- Expected");
      expectedModel.write(System.out, "TTL");
      System.out.println("---- Actual");
      actualModel.write(System.out, "TTL");
      System.out.println("----");
    }
    return b;
  }