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oxigraph/lib/tests/service_test_cases.rs

218 lines
7.6 KiB

5 years ago
use rudf::model::*;
use rudf::{GraphSyntax, Repository, RepositoryConnection, MemoryRepository, Result};
use rudf::sparql::{BindingsIterator, GraphPattern, PreparedQuery, QueryOptions, QueryResult, ServiceHandler};
use failure::format_err;
fn ex(id: String) -> Term {
Term::NamedNode(NamedNode::parse(format!("http://example.com/{}", &id)).unwrap())
}
fn foaf(id: String) -> Term {
Term::NamedNode(NamedNode::parse(format!("http://xmlns.com/foaf/0.1/{}", &id)).unwrap())
}
fn mailto(id: String) -> Term {
Term::NamedNode(NamedNode::parse(format!("mailto:{}", &id)).unwrap())
}
fn literal(str: String) -> Term {
Term::Literal(Literal::new_simple_literal(str))
}
/*
#[derive(Clone,Copy)]
struct SimpleServiceTest;
impl ServiceHandler for SimpleServiceTest {
fn handle<'a>(&'a self, named_node: NamedNode) -> Option<(fn(GraphPattern) -> Result<BindingsIterator<'a>>)> {
Some(SimpleServiceTest::handle_service)
}
}
impl SimpleServiceTest {
fn handle_service<'a>(graph_pattern: GraphPattern) -> Result<BindingsIterator<'a>> {
let repository = MemoryRepository::default();
let mut connection = repository.connection().unwrap();
let file = b"<http://example.com/s> <http://example.com/p> <http://example.com/o> .";
connection.load_graph(file.as_ref(), GraphSyntax::NTriples, None, None).unwrap();
let prepared_query = connection.prepare_query_from_pattern(&graph_pattern, None).unwrap();
let result = prepared_query.exec(&Some(SimpleServiceTest)).unwrap();
match result {
QueryResult::Bindings(iterator) => {
let (variables, iter) = iterator.destruct();
let cloned_iter = iter.collect::<Vec<_>>().into_iter();
let new_iter = BindingsIterator::new(variables, Box::new(cloned_iter));
Ok(new_iter)
},
_ => Err(format_err!("Excpected bindings but got another QueryResult"))
}
}
}
*/
#[test]
fn simple_service_test() {
struct TestServiceHandler;
impl ServiceHandler for TestServiceHandler {
fn handle<'a>(&'a self, named_node: NamedNode) -> Option<(fn(GraphPattern) -> Result<BindingsIterator<'a>>)> {
fn pattern_handler<'a>(graph_pattern: GraphPattern) -> Result<BindingsIterator<'a>> {
let repository = MemoryRepository::default();
let mut connection = repository.connection().unwrap();
let file = b"<http://example.com/s> <http://example.com/p> <http://example.com/o> .";
connection.load_graph(file.as_ref(), GraphSyntax::NTriples, None, None).unwrap();
let query_options = QueryOptions::default();
let prepared_query = connection.prepare_query_from_pattern(&graph_pattern, &query_options).unwrap();
let result = prepared_query.exec(&query_options).unwrap();
match result {
QueryResult::Bindings(iterator) => {
let (variables, iter) = iterator.destruct();
let cloned_iter = iter.collect::<Vec<_>>().into_iter();
let new_iter = BindingsIterator::new(variables, Box::new(cloned_iter));
Ok(new_iter)
},
_ => Err(format_err!("Excpected bindings but got another QueryResult"))
}
};
Some(pattern_handler)
}
}
let repository = MemoryRepository::default();
let connection = repository.connection().unwrap();
let query = r#"
SELECT ?s ?p ?o
WHERE
{
SERVICE <http://service1.org>
{ ?s ?p ?o
}
}
"#;
let query_options = QueryOptions::default();
let prepared_query = connection.prepare_query(query, &query_options).unwrap();
let results = prepared_query.exec(&query_options).unwrap();
if let QueryResult::Bindings(results) = results {
let collected = results.into_values_iter().map(move |b| b.unwrap()).collect::<Vec<_>>();
let solution = vec![
vec![ Some(ex(String::from("s"))), Some(ex(String::from("p"))), Some(ex(String::from("o"))) ],
];
assert_eq!(collected, solution);
} else {
assert_eq!(true, false);
}
}
/*
#[derive(Clone,Copy)]
struct TwoServiceTest;
impl ServiceHandler for TwoServiceTest {
fn handle<'a>(&'a self, named_node: NamedNode) -> Option<(fn(GraphPattern) -> Result<BindingsIterator<'a>>)> {
println!("Handler called for {:?}", named_node);
let service1 = NamedNode::parse("http://service1.org").unwrap();
let service2 = NamedNode::parse("http://service2.org").unwrap();
if named_node == service1 { Some(TwoServiceTest::handle_service1) }
else if named_node == service2 { Some(TwoServiceTest::handle_service2) }
else { None}
}
}
impl TwoServiceTest {
fn handle_service1<'a>(graph_pattern: GraphPattern) -> Result<BindingsIterator<'a>> {
let repository = MemoryRepository::default();
let mut connection = repository.connection().unwrap();
let file = br#"
<http://example.com/bob> <http://xmlns.com/foaf/0.1/name> "Bob" .
<http://example.com/alice> <http://xmlns.com/foaf/0.1/name> "Alice" .
"#;
connection.load_graph(file.as_ref(), GraphSyntax::NTriples, None, None).unwrap();
let prepared_query = connection.prepare_query_from_pattern(&graph_pattern, None).unwrap();
let result = prepared_query.exec(&Some(NoneService)).unwrap();
match result {
QueryResult::Bindings(iterator) => {
let (variables, iter) = iterator.destruct();
let cloned_iter = iter.collect::<Vec<_>>().into_iter();
let new_iter = BindingsIterator::new(variables, Box::new(cloned_iter));
Ok(new_iter)
},
_ => Err(format_err!("Excpected bindings but got another QueryResult"))
}
}
fn handle_service2<'a>(graph_pattern: GraphPattern) -> Result<BindingsIterator<'a>> {
let repository = MemoryRepository::default();
let mut connection = repository.connection().unwrap();
let file = br#"
<http://example.com/bob> <http://xmlns.com/foaf/0.1/mbox> <mailto:bob@example.com> .
<http://example.com/alice> <http://xmlns.com/foaf/0.1/mbox> <mailto:alice@example.com> .
"#;
connection.load_graph(file.as_ref(), GraphSyntax::NTriples, None, None).unwrap();
let prepared_query = connection.prepare_query_from_pattern(&graph_pattern, None).unwrap();
let result = prepared_query.exec(&Some(NoneService)).unwrap();
match result {
QueryResult::Bindings(iterator) => {
let (variables, iter) = iterator.destruct();
let cloned_iter = iter.collect::<Vec<_>>().into_iter();
let new_iter = BindingsIterator::new(variables, Box::new(cloned_iter));
Ok(new_iter)
},
_ => Err(format_err!("Excpected bindings but got another QueryResult"))
}
}
}
#[test]
fn two_service_test() {
let repository = MemoryRepository::default();
let connection = repository.connection().unwrap();
let query = r#"
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
SELECT ?name ?mbox
WHERE
{
SERVICE <http://service1.org>
{ ?s foaf:name ?name
}
SERVICE <http://service2.org>
{ ?s foaf:mbox ?mbox
}
}
ORDER BY ?name
"#;
let prepared_query = connection.prepare_query(query, None).unwrap();
let service_handler = Some(TwoServiceTest);
let results = prepared_query.exec(&service_handler).unwrap();
if let QueryResult::Bindings(results) = results {
let collected = results.into_values_iter().map(move |b| b.unwrap()).collect::<Vec<_>>();
for c in collected.clone() {
println!("{:?}", c);
}
println!("\n\n\n");
let solution = vec![
vec![ Some(literal("Alice".to_string())), Some(mailto("alice@example.com".to_string())) ],
vec![ Some(literal("Bob".to_string())), Some(mailto("bob@example.com".to_string())) ],
];
println!("Results: {:?}", collected);
assert_eq!(collected, solution);
} else {
assert_eq!(true, false);
}
}
*/