monasca-api/src/test/java/com/hpcloud/mon/resource/AlarmResourceTest.java

309 lines
13 KiB
Java

package com.hpcloud.mon.resource;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyString;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.ws.rs.core.MediaType;
import org.testng.annotations.Test;
import com.hpcloud.mon.app.AlarmService;
import com.hpcloud.mon.app.command.CreateAlarmCommand;
import com.hpcloud.mon.app.command.UpdateAlarmCommand;
import com.hpcloud.mon.common.model.alarm.AlarmExpression;
import com.hpcloud.mon.common.model.alarm.AlarmState;
import com.hpcloud.mon.domain.exception.EntityNotFoundException;
import com.hpcloud.mon.domain.model.alarm.Alarm;
import com.hpcloud.mon.domain.model.alarm.AlarmRepository;
import com.hpcloud.mon.domain.model.common.Link;
import com.hpcloud.mon.resource.exception.ErrorMessages;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.GenericType;
/**
* @author Jonathan Halterman
*/
@Test
public class AlarmResourceTest extends AbstractMonApiResourceTest {
private String expression;
private Alarm alarm;
private Alarm alarmItem;
private AlarmService service;
private AlarmRepository repo;
private List<String> alarmActions;
@Override
@SuppressWarnings("unchecked")
protected void setupResources() throws Exception {
super.setupResources();
expression = "avg(disk_read_ops{service=hpcs.compute, instance_id=937}) >= 90";
alarmItem = new Alarm("123", "Disk Exceeds 1k Operations", null, expression, AlarmState.OK,
true, null, null, null);
alarmActions = new ArrayList<String>();
alarmActions.add("29387234");
alarmActions.add("77778687");
alarm = new Alarm("123", "Disk Exceeds 1k Operations", null, expression, AlarmState.OK, true,
alarmActions, null, null);
service = mock(AlarmService.class);
when(
service.create(eq("abc"), eq("Disk Exceeds 1k Operations"), any(String.class),
eq(expression), eq(AlarmExpression.of(expression)), any(List.class), any(List.class),
any(List.class))).thenReturn(alarm);
repo = mock(AlarmRepository.class);
when(repo.findById(eq("abc"), eq("123"))).thenReturn(alarm);
when(repo.find(anyString())).thenReturn(Arrays.asList(alarmItem));
addResources(new AlarmResource(service, repo));
}
@SuppressWarnings("unchecked")
public void shouldCreate() {
ClientResponse response = createResponseFor(new CreateAlarmCommand(
"Disk Exceeds 1k Operations", null, expression, alarmActions, null, null));
assertEquals(response.getStatus(), 201);
Alarm newAlarm = response.getEntity(Alarm.class);
String location = response.getHeaders().get("Location").get(0);
assertEquals(location, "/v2.0/alarms/" + newAlarm.getId());
assertEquals(newAlarm, alarm);
verify(service).create(eq("abc"), eq("Disk Exceeds 1k Operations"), any(String.class),
eq(expression), eq(AlarmExpression.of(expression)), any(List.class), any(List.class),
any(List.class));
}
public void shouldUpdate() {
when(
service.update(eq("abc"), eq("123"), any(AlarmExpression.class),
any(UpdateAlarmCommand.class))).thenReturn(alarm);
ClientResponse response = client().resource("/v2.0/alarms/123")
.header("X-Tenant-Id", "abc")
.header("Content-Type", MediaType.APPLICATION_JSON)
.put(
ClientResponse.class,
new UpdateAlarmCommand("Disk Exceeds 1k Operations", null, expression,
AlarmState.ALARM, true, alarmActions, null, null));
assertEquals(response.getStatus(), 200);
verify(service).update(eq("abc"), eq("123"), any(AlarmExpression.class),
any(UpdateAlarmCommand.class));
}
public void shouldErrorOnCreateWithInvalidMetricName() {
String expression = "avg(foo{service=hpcs.compute, instance_id=937}) >= 90";
ClientResponse response = createResponseFor(new CreateAlarmCommand(
"Disk Exceeds 1k Operations", null, expression, alarmActions, null, null));
ErrorMessages.assertThat(response.getEntity(String.class)).matches("unprocessable_entity", 422,
"foo is not a valid metric name for namespace hpcs.compute");
}
public void shouldErrorOnCreateWithInvalidDimensions() {
String expression = "avg(disk_read_ops{service=hpcs.compute, instance_id=937, foo=bar}) >= 90";
ClientResponse response = createResponseFor(new CreateAlarmCommand(
"Disk Exceeds 1k Operations", null, expression, alarmActions, null, null));
ErrorMessages.assertThat(response.getEntity(String.class)).matches("unprocessable_entity", 422,
"foo is not a valid dimension name for service hpcs.compute");
}
public void shouldErrorOnCreateWithDuplicateDimensions() {
String expression = "avg(hpcs.compute{instance_id=937, instance_id=123, az=2, instance_uuid=abc123, metric_name=disk_read_ops}) >= 90";
ClientResponse response = createResponseFor(new CreateAlarmCommand(
"Disk Exceeds 1k Operations", null, expression, alarmActions, null, null));
ErrorMessages.assertThat(response.getEntity(String.class)).matches("unprocessable_entity", 422,
"The alarm expression is invalid",
"More than one value was given for dimension instance_id");
}
@SuppressWarnings("unchecked")
public void shouldNotRequireDimensionsForCustomNamespace() {
String expression = "avg(foo{metric_name=bar}) >= 90";
when(
service.create(eq("abc"), eq("Disk Exceeds 1k Operations"), any(String.class),
eq(expression), eq(AlarmExpression.of(expression)), any(List.class), any(List.class),
any(List.class))).thenReturn(alarm);
ClientResponse response = createResponseFor(new CreateAlarmCommand(
"Disk Exceeds 1k Operations", null, expression, alarmActions, null, null));
assertEquals(response.getStatus(), 201);
}
public void shouldErrorOnCreateWithInvalidJson() {
ClientResponse response = createResponseFor("{\"alarmasdf\"::{\"name\":\"Disk Exceeds 1k Operations\"}}");
ErrorMessages.assertThat(response.getEntity(String.class)).matches("bad_request", 400,
"Unable to process the provided JSON", "Unexpected character (':'");
}
public void shouldErrorOnCreateWithInvalidOperator() {
String expression = "avg(hpcs.compute{instance_id=937, az=2, instance_uuid=0ff588fc-d298-482f-bb11-4b52d56801a4, metric_name=disk_read_ops}) & 90";
ClientResponse response = createResponseFor(new CreateAlarmCommand(
"Disk Exceeds 1k Operations", null, expression, alarmActions, null, null));
ErrorMessages.assertThat(response.getEntity(String.class)).matches("unprocessable_entity", 422,
"The alarm expression is invalid", "Syntax Error");
}
public void shouldErrorOnCreateWith0Period() {
String expression = "avg(hpcs.compute{instance_id=937, az=2, instance_uuid=0ff588fc-d298-482f-bb11-4b52d56801a4, metric_name=disk_read_ops},0) >= 90";
ClientResponse response = createResponseFor(new CreateAlarmCommand(
"Disk Exceeds 1k Operations", null, expression, alarmActions, null, null));
ErrorMessages.assertThat(response.getEntity(String.class)).matches("unprocessable_entity", 422,
"Period must not be 0");
}
public void shouldErrorOnCreateWithNonMod60Period() {
String expression = "avg(hpcs.compute{instance_id=937, az=2, instance_uuid=0ff588fc-d298-482f-bb11-4b52d56801a4, metric_name=disk_read_ops},61) >= 90";
ClientResponse response = createResponseFor(new CreateAlarmCommand(
"Disk Exceeds 1k Operations", null, expression, alarmActions, null, null));
ErrorMessages.assertThat(response.getEntity(String.class)).matches("unprocessable_entity", 422,
"Period 61 must be a multiple of 60");
}
public void shouldErrorOnCreateWithPeriodsLessThan1() {
String expression = "avg(hpcs.compute{instance_id=937, az=2, instance_uuid=0ff588fc-d298-482f-bb11-4b52d56801a4, metric_name=disk_read_ops}) >= 90 times 0";
ClientResponse response = createResponseFor(new CreateAlarmCommand(
"Disk Exceeds 1k Operations", null, expression, alarmActions, null, null));
ErrorMessages.assertThat(response.getEntity(String.class)).matches("unprocessable_entity", 422,
"Periods 0 must be greater than or equal to 1");
}
public void shouldErrorOnCreateWithPeriodTimesPeriodsGT2Weeks() {
String expression = "avg(hpcs.compute{instance_id=937, az=2, instance_uuid=0ff588fc-d298-482f-bb11-4b52d56801a4, metric_name=disk_read_ops},60) >= 90 times 20161";
ClientResponse response = createResponseFor(new CreateAlarmCommand(
"Disk Exceeds 1k Operations", null, expression, alarmActions, null, null));
ErrorMessages.assertThat(response.getEntity(String.class)).matches("unprocessable_entity", 422,
"Period 60 times 20161 must total less than 2 weeks in seconds (1209600)");
}
public void shouldErrorOnCreateWithTooLongName() {
String expression = "avg(hpcs.compute{instance_id=937, az=2, instance_uuid=0ff588fc-d298-482f-bb11-4b52d56801a4, metric_name=disk_read_ops}) >= 90";
ClientResponse response = createResponseFor(new CreateAlarmCommand(
"0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
+ "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789",
null, expression, alarmActions, null, null));
ErrorMessages.assertThat(response.getEntity(String.class))
.matches(
"unprocessable_entity",
422,
"Name 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 must be 250 characters or less");
}
public void shouldErrorOnCreateWithTooLongAlarmAction() {
alarmActions = new ArrayList<String>();
alarmActions.add("012345678901234567890123456789012345678901234567890");
ClientResponse response = createResponseFor(new CreateAlarmCommand(
"Disk Exceeds 1k Operations", null, expression, alarmActions, null, null));
ErrorMessages.assertThat(response.getEntity(String.class))
.matches("unprocessable_entity", 422,
"Alarm action 012345678901234567890123456789012345678901234567890 must be 50 characters or less");
}
public void shouldList() {
List<Alarm> alarms = client().resource("/v2.0/alarms")
.header("X-Tenant-Id", "abc")
.get(new GenericType<List<Alarm>>() {
});
assertEquals(alarms, Arrays.asList(alarmItem));
verify(repo).find(eq("abc"));
}
public void shouldGet() {
assertEquals(client().resource("/v2.0/alarms/123")
.header("X-Tenant-Id", "abc")
.get(Alarm.class), alarm);
verify(repo).findById(eq("abc"), eq("123"));
}
public void should404OnGetInvalid() {
doThrow(new EntityNotFoundException(null)).when(repo).findById(eq("abc"), eq("999"));
try {
client().resource("/v2.0/alarms/999").header("X-Tenant-Id", "abc").get(Alarm.class);
fail();
} catch (Exception e) {
assertTrue(e.getMessage().contains("404"));
}
}
public void shouldDelete() {
ClientResponse response = client().resource("/v2.0/alarms/123")
.header("X-Tenant-Id", "abc")
.delete(ClientResponse.class);
assertEquals(response.getStatus(), 204);
verify(service).delete(eq("abc"), eq("123"));
}
public void should404OnDeleteInvalid() {
doThrow(new EntityNotFoundException(null)).when(service).delete(eq("abc"), eq("999"));
try {
client().resource("/v2.0/alarms/999").header("X-Tenant-Id", "abc").delete();
fail();
} catch (Exception e) {
assertTrue(e.getMessage().contains("404"));
}
}
public void should500OnInternalException() {
doThrow(new RuntimeException("")).when(repo).find(anyString());
try {
client().resource("/v2.0/alarms").header("X-Tenant-Id", "abc").get(List.class);
fail();
} catch (Exception e) {
assertTrue(e.getMessage().contains("500"));
}
}
public void shouldHydateLinksOnList() {
List<Link> expected = Arrays.asList(new Link("self", "/v2.0/alarms/123"), new Link("history",
"/v2.0/alarms/123/history"));
List<Link> links = client().resource("/v2.0/alarms")
.header("X-Tenant-Id", "abc")
.get(new GenericType<List<Alarm>>() {
})
.get(0)
.getLinks();
assertEquals(links, expected);
}
public void shouldHydateLinksOnGet() {
List<Link> links = Arrays.asList(new Link("self", "/v2.0/alarms/123"), new Link("history",
"/v2.0/alarms/123/history"));
assertEquals(client().resource("/v2.0/alarms/123")
.header("X-Tenant-Id", "abc")
.get(Alarm.class)
.getLinks(), links);
}
private ClientResponse createResponseFor(Object request) {
return client().resource("/v2.0/alarms")
.header("X-Tenant-Id", "abc")
.header("Content-Type", MediaType.APPLICATION_JSON)
.post(ClientResponse.class, request);
}
}