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package it.inaf.ia2.gms.rap;
import it.inaf.ia2.gms.authn.SessionData;
import it.inaf.ia2.gms.model.RapUser;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.ArgumentMatchers.eq;
import org.mockito.Mock;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import org.mockito.junit.MockitoJUnitRunner;
import org.springframework.core.ParameterizedTypeReference;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.test.util.ReflectionTestUtils;
import org.springframework.web.client.HttpClientErrorException;
import org.springframework.web.client.HttpClientErrorException.Unauthorized;
import org.springframework.web.client.HttpServerErrorException;
import org.springframework.web.client.HttpServerErrorException.InternalServerError;
import org.springframework.web.client.RestTemplate;
@RunWith(MockitoJUnitRunner.class)
public class RapClientTest {
@Mock
private HttpServletRequest request;
@Mock
private SessionData sessionData;
@Mock
private RestTemplate restTemplate;
@Mock
private RestTemplate refreshTokenRestTemplate;
private RapClient rapClient;
@Before
public void init() {
rapClient = new RapClient(restTemplate);
ReflectionTestUtils.setField(rapClient, "request", request);
ReflectionTestUtils.setField(rapClient, "refreshTokenRestTemplate", refreshTokenRestTemplate);
ReflectionTestUtils.setField(rapClient, "scope", "openid");
}
@Test
public void testUnauthorizedNoRefreshJsonMsg() {
String jsonError = "{\"error\":\"Unauthorized: foo\"}";
HttpClientErrorException exception = Unauthorized
.create(HttpStatus.UNAUTHORIZED, "401", HttpHeaders.EMPTY, jsonError.getBytes(), StandardCharsets.UTF_8);
when(restTemplate.exchange(anyString(), eq(HttpMethod.GET), any(HttpEntity.class), eq(new ParameterizedTypeReference<RapUser>() {
}))).thenThrow(exception);
try {
rapClient.getUser("123");
} catch (HttpClientErrorException ex) {
assertEquals("401 Unauthorized: foo", ex.getMessage());
}
}
@Test
public void testUnauthorizedNoRefreshNotJsonMsg() {
String errorMessage = "THIS IS NOT A JSON";
HttpClientErrorException exception = Unauthorized
.create(HttpStatus.UNAUTHORIZED, "401", HttpHeaders.EMPTY, errorMessage.getBytes(), StandardCharsets.UTF_8);
when(restTemplate.exchange(anyString(), eq(HttpMethod.GET), any(HttpEntity.class), eq(new ParameterizedTypeReference<RapUser>() {
}))).thenThrow(exception);
try {
rapClient.getUser("123");
} catch (HttpClientErrorException ex) {
assertNotNull(ex.getMessage());
}
}
@Test
public void testServerErrorJsonMsg() {
String jsonError = "{\"error\":\"Fatal error\"}";
HttpServerErrorException exception = InternalServerError
.create(HttpStatus.INTERNAL_SERVER_ERROR, "500", HttpHeaders.EMPTY, jsonError.getBytes(), StandardCharsets.UTF_8);
when(restTemplate.exchange(anyString(), eq(HttpMethod.GET), any(HttpEntity.class), eq(new ParameterizedTypeReference<RapUser>() {
}))).thenThrow(exception);
try {
rapClient.getUser("123");
} catch (HttpServerErrorException ex) {
assertEquals("500 Fatal error", ex.getMessage());
}
}
@Test
public void testRefreshToken() {
when(request.getSession(eq(false))).thenReturn(mock(HttpSession.class));
when(sessionData.getExpiresIn()).thenReturn(-100l);
ReflectionTestUtils.setField(rapClient, "sessionData", sessionData);
ReflectionTestUtils.setField(rapClient, "clientId", "clientId");
ReflectionTestUtils.setField(rapClient, "clientSecret", "clientSecret");
ReflectionTestUtils.setField(rapClient, "accessTokenUri", "https://sso.ia2.inaf.it");
String jsonError = "{\"error\":\"Unauthorized: token expired\"}";
HttpClientErrorException exception = Unauthorized
.create(HttpStatus.UNAUTHORIZED, "401", HttpHeaders.EMPTY, jsonError.getBytes(), StandardCharsets.UTF_8);
when(restTemplate.exchange(anyString(), eq(HttpMethod.GET), any(HttpEntity.class), eq(new ParameterizedTypeReference<RapUser>() {
}))).thenThrow(exception)
.thenReturn(ResponseEntity.ok(new RapUser()));
ResponseEntity refreshTokenResponse = mock(ResponseEntity.class);
Map<String, Object> mockedBody = new HashMap<>();
mockedBody.put("access_token", "<access_token>");
mockedBody.put("refresh_token", "<refresh_token>");
mockedBody.put("expires_in", 3600);
when(refreshTokenResponse.getBody()).thenReturn(mockedBody);
when(refreshTokenRestTemplate.postForEntity(anyString(), any(HttpEntity.class), any()))
.thenReturn(refreshTokenResponse);
RapUser user = rapClient.getUser("123");
assertNotNull(user);
// verifies that token is refreshed
verify(sessionData, times(1)).setAccessToken(eq("<access_token>"));