### Question:
MetadataService extends AbstractService { public <T extends Queryable> Collection<Entry> find(Project project, Class<T> cls, Restriction... restrictions) { notNull(project, "project"); notNull(project.getId(), "project.id"); notNull(cls, "cls"); final String type = getQueryType(cls); try { final Query queryResult = restTemplate.getForObject(Query.URI, Query.class, project.getId(), type); if (queryResult != null && queryResult.getEntries() != null) { return filterEntries(queryResult.getEntries(), restrictions); } else { throw new GoodDataException("Received empty response from API call."); } } catch (RestClientException e) { throw new GoodDataException("Unable to query metadata: " + type, e); } } MetadataService(final RestTemplate restTemplate, final GoodDataSettings settings); @SuppressWarnings("unchecked") T createObj(Project project, T obj); T getObjByUri(String uri, Class<T> cls); Collection<Obj> getObjsByUris(Project project, Collection<String> uris); @SuppressWarnings("unchecked") T updateObj(T obj); void removeObj(Obj obj); void removeObjByUri(String uri); T getObjById(Project project, String id, Class<T> cls); String getObjUri(Project project, Class<T> cls, Restriction... restrictions); T getObj(Project project, Class<T> cls, Restriction... restrictions); Collection<Entry> find(Project project, Class<T> cls, Restriction... restrictions); Collection<String> findUris(Project project,
                                                             Class<T> cls,
                                                             Restriction... restrictions); @SuppressWarnings("unchecked") Collection<Entry> usedBy(Project project, Obj obj, boolean nearest, Class<? extends Obj>... types); @SuppressWarnings("unchecked") Collection<Entry> usedBy(Project project, String uri, boolean nearest, Class<? extends Obj>... types); @SuppressWarnings("unchecked") Collection<Usage> usedBy(Project project, Collection<String> uris, boolean nearest, Class<? extends Obj>... types); Collection<String> findUris(Project project, Restriction... restrictions); Map<String, String> identifiersToUris(Project project, Collection<String> identifiers); List<AttributeElement> getAttributeElements(Attribute attribute); List<AttributeElement> getAttributeElements(DisplayForm displayForm); static final UriTemplate OBJ_TEMPLATE; }### Answer:
@Test public void testFindMoreResults() { final Query queryResult = mock(Query.class); final Entry resultEntry1 = mock(Entry.class); final Entry resultEntry2 = mock(Entry.class); when(restTemplate.getForObject(Query.URI, Query.class, project.getId(), "queryables")).thenReturn(queryResult); when(queryResult.getEntries()).thenReturn(asList(resultEntry1, resultEntry2)); final Collection<Entry> results = service.find(project, Queryable.class); assertThat(results, allOf(hasItem(resultEntry1), hasItem(resultEntry2))); }
@Test public void testFindIrregularQueryTypeNames() { when(restTemplate.getForObject(anyString(), any(), anyString(), anyString())).thenReturn(mock(Query.class)); service.find(project, ReportDefinition.class); verify(restTemplate).getForObject(Query.URI, Query.class, project.getId(), "reportdefinition"); service.find(project, VisualizationClass.class); verify(restTemplate).getForObject(Query.URI, Query.class, project.getId(), "visualizationclasses"); }
@Test(expectedExceptions = GoodDataException.class) public void testFindWithWithClientSideHTTPError() { when(restTemplate.getForObject(Query.URI, Query.class, project.getId(), "queryables")).thenThrow(new RestClientException("")); service.find(project, Queryable.class); }