/*
* Copyright (C) 2012-2015 DataStax Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.datastax.driver.core.exceptions;
import com.beust.jcommander.internal.Maps;
import org.testng.annotations.Test;
import java.io.PrintWriter;
import java.net.InetSocketAddress;
import java.util.Map;
import static org.assertj.core.api.Assertions.assertThat;
public class NoHostAvailableExceptionTest {
@Test(groups = "unit")
public void should_build_default_message_when_less_than_3_errors() {
NoHostAvailableException e = new NoHostAvailableException(buildMockErrors(3));
String message = e.getMessage();
assertThat(message).startsWith("All host(s) tried for query failed");
assertThat(message).contains("/127.0.0.1:9042 (com.datastax.driver.core.exceptions.NoHostAvailableExceptionTest$MockError: mock error 1)");
assertThat(message).contains("/127.0.0.2:9042 (com.datastax.driver.core.exceptions.NoHostAvailableExceptionTest$MockError: mock error 2)");
assertThat(message).contains("/127.0.0.3:9042 (com.datastax.driver.core.exceptions.NoHostAvailableExceptionTest$MockError: mock error 3)");
}
@Test(groups = "unit")
public void should_build_default_message_when_more_than_3_errors() {
NoHostAvailableException e = new NoHostAvailableException(buildMockErrors(4));
String message = e.getMessage();
assertThat(message).startsWith("All host(s) tried for query failed");
assertThat(message).contains("/127.0.0.1:9042 (com.datastax.driver.core.exceptions.NoHostAvailableExceptionTest$MockError: mock error 1)");
assertThat(message).contains("/127.0.0.2:9042 (com.datastax.driver.core.exceptions.NoHostAvailableExceptionTest$MockError: mock error 2)");
assertThat(message).contains("/127.0.0.3:9042 (com.datastax.driver.core.exceptions.NoHostAvailableExceptionTest$MockError: mock error 3)");
assertThat(message).contains("only showing errors of first 3 hosts, use getErrors() for more details");
}
@Test(groups = "unit")
public void should_build_formatted_message_without_stack_traces() {
NoHostAvailableException e = new NoHostAvailableException(buildMockErrors(3));
String message = e.getCustomMessage(3, true, false);
assertThat(message).startsWith("All host(s) tried for query failed (tried:\n");
assertThat(message).contains("/127.0.0.1:9042 (com.datastax.driver.core.exceptions.NoHostAvailableExceptionTest$MockError: mock error 1)\n");
assertThat(message).contains("/127.0.0.2:9042 (com.datastax.driver.core.exceptions.NoHostAvailableExceptionTest$MockError: mock error 2)\n");
assertThat(message).contains("/127.0.0.3:9042 (com.datastax.driver.core.exceptions.NoHostAvailableExceptionTest$MockError: mock error 3)\n");
}
@Test(groups = "unit")
public void should_build_formatted_message_with_stack_traces() {
NoHostAvailableException e = new NoHostAvailableException(buildMockErrors(3));
String message = e.getCustomMessage(3, true, true);
assertThat(message).startsWith("All host(s) tried for query failed (tried:\n");
assertThat(message).contains("/127.0.0.1:9042\nmock stack trace 1\n");
assertThat(message).contains("/127.0.0.3:9042\nmock stack trace 3\n");
assertThat(message).contains("/127.0.0.2:9042\nmock stack trace 2\n");
}
private static Map<InetSocketAddress, Throwable> buildMockErrors(int count) {
Map<InetSocketAddress, Throwable> errors = Maps.newHashMap();
for (int i = 1; i <= count; i++) {
errors.put(new InetSocketAddress("127.0.0." + i, 9042), new MockError(i));
}
return errors;
}
static class MockError extends Exception {
private final int i;
MockError(int i) {
super("mock error " + i);
this.i = i;
}
@Override
public void printStackTrace(PrintWriter writer) {
writer.printf("mock stack trace %d", i);
}
}
}