function test_get_subjects_of_type()
{
$g = new SimpleGraph();
$g->add_resource_triple('http://example.org/subj1', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type', 'http://example.org/type_1');
$g->add_resource_triple('http://example.org/subj2', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type', 'http://example.org/type_2');
$g->add_resource_triple('http://example.org/subj3', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type', 'http://example.org/type_1');
$g->add_literal_triple('http://example.org/subj4', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type', 'http://example.org/type_1');
$subjects = $g->get_subjects_of_type('http://example.org/type_1');
$this->assertEquals(2, count($subjects), 'The returned subjects should be exactly 2');
$this->assertContains('http://example.org/subj1', $subjects, 'subj1 matches and should be returned');
$this->assertContains('http://example.org/subj3', $subjects, 'subj3 matches and should be returned');
$this->assertNotContains('http://example.org/subj2', $subjects, 'subj2 does not match and should not be returned');
$this->assertNotContains('http://example.org/subj4', $subjects, 'subj4 does not match and should not be returned');
}
function test_update_adds_bnode()
{
$fake_request_factory = new FakeRequestFactory();
$fake_response = new HttpResponse();
$fake_response->status_code = 200;
$fake_response->body = $this->_select_result2;
$query = "select ?_uri ?name where { optional {?_uri <http://example.org/name> ?name. } }";
$fake_request = new FakeHttpRequest($fake_response);
$fake_request_factory->register('GET', "http://example.org/store/services/sparql?query=" . urlencode($query) . '&output=json', $fake_request);
$fake_request_cs = new FakeHttpRequest(new HttpResponse());
$fake_request_factory->register('POST', "http://example.org/store/meta", $fake_request_cs);
$dt = new DataTable("http://example.org/store", null, $fake_request_factory);
$dt->map('http://example.org/name', 'name');
$dt->set('name', 'foo', 'bnode');
$dt->update();
$cs = new SimpleGraph();
$cs->from_rdfxml($fake_request_cs->get_body());
$changesets = $cs->get_subjects_of_type(CS_CHANGESET);
$this->assertEquals(1, count($changesets));
$additions = $cs->get_resource_triple_values($changesets[0], CS_ADDITION);
$this->assertEquals(1, count($additions));
$this->assertTrue($cs->has_resource_triple($additions[0], RDF_OBJECT, "_:foo"));
}
