private void compareGraphs(Set<Statement> queryResult, Set<Statement> expectedResult)
throws Exception {
if (!ModelUtil.equals(expectedResult, queryResult)) {
// Don't use RepositoryUtil.difference, it reports incorrect diffs
/*
* Collection<? extends Statement> unexpectedStatements =
* RepositoryUtil.difference(queryResult, expectedResult);
* Collection<? extends Statement> missingStatements =
* RepositoryUtil.difference(expectedResult, queryResult);
* StringBuilder message = new StringBuilder(128);
* message.append("\n=======Diff: "); message.append(getName());
* message.append("========================\n"); if
* (!unexpectedStatements.isEmpty()) { message.append("Unexpected
* statements in result: \n"); for (Statement st :
* unexpectedStatements) { message.append(st.toString());
* message.append("\n"); } message.append("============="); for (int
* i = 0; i < getName().length(); i++) { message.append("="); }
* message.append("========================\n"); } if
* (!missingStatements.isEmpty()) { message.append("Statements
* missing in result: \n"); for (Statement st : missingStatements) {
* message.append(st.toString()); message.append("\n"); }
* message.append("============="); for (int i = 0; i <
* getName().length(); i++) { message.append("="); }
* message.append("========================\n"); }
*/
StringBuilder message = new StringBuilder(128);
message.append("\n============ ");
message.append(getName());
message.append(" =======================\n");
message.append("Expected result: \n");
for (Statement st : expectedResult) {
message.append(st.toString());
message.append("\n");
}
message.append("=============");
StringUtil.appendN('=', getName().length(), message);
message.append("========================\n");
message.append("Query result: \n");
for (Statement st : queryResult) {
message.append(st.toString());
message.append("\n");
}
message.append("=============");
StringUtil.appendN('=', getName().length(), message);
message.append("========================\n");
logger.error(message.toString());
fail(message.toString());
}
}
@Override
protected void runTest() throws Exception {
// Parse input data
RDFParser turtleParser = createRDFParser();
turtleParser.setDatatypeHandling(RDFParser.DatatypeHandling.IGNORE);
Set<Statement> inputCollection = new LinkedHashSet<Statement>();
StatementCollector inputCollector = new StatementCollector(inputCollection);
turtleParser.setRDFHandler(inputCollector);
InputStream in = inputURL.openStream();
turtleParser.parse(in, base(inputURL.toExternalForm()));
in.close();
// Parse expected output data
NTriplesParser ntriplesParser = new NTriplesParser();
ntriplesParser.setDatatypeHandling(RDFParser.DatatypeHandling.IGNORE);
Set<Statement> outputCollection = new LinkedHashSet<Statement>();
StatementCollector outputCollector = new StatementCollector(outputCollection);
ntriplesParser.setRDFHandler(outputCollector);
in = outputURL.openStream();
ntriplesParser.parse(in, base(outputURL.toExternalForm()));
in.close();
// Check equality of the two models
if (!ModelUtil.equals(inputCollection, outputCollection)) {
System.err.println("===models not equal===");
// System.err.println("Expected: " + outputCollection);
// System.err.println("Actual : " + inputCollection);
// System.err.println("======================");
List<Statement> missing = new LinkedList<Statement>(outputCollection);
missing.removeAll(inputCollection);
List<Statement> unexpected = new LinkedList<Statement>(inputCollection);
unexpected.removeAll(outputCollection);
if (!missing.isEmpty()) {
System.err.println("Missing : " + missing);
}
if (!unexpected.isEmpty()) {
System.err.println("Unexpected: " + unexpected);
}
fail("models not equal");
}
}
/**
* Compares the models of the default context of two repositories and returns true if rep1 is a
* subset of rep2. Note that the method pulls the entire default context of both repositories into
* main memory. Use with caution.
*/
public static boolean isSubset(Repository rep1, Repository rep2) throws RepositoryException {
Set<Statement> model1, model2;
RepositoryConnection con1 = rep1.getConnection();
try {
model1 = Iterations.asSet(con1.getStatements(null, null, null, true));
} finally {
con1.close();
}
RepositoryConnection con2 = rep2.getConnection();
try {
model2 = Iterations.asSet(con2.getStatements(null, null, null, true));
} finally {
con2.close();
}
return ModelUtil.isSubset(model1, model2);
}