Unit tests for custom exceptions

... for the sake of coverage.
This commit is contained in:
Stefan Kalscheuer 2017-08-18 18:28:36 +02:00
parent 52a1abfb87
commit 71f68f088f

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/*
* Copyright 2016-2017 Stefan Kalscheuer
*
* 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 de.stklcode.jvault.connector.exception;
import org.junit.Test;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.nullValue;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;
/**
* Common JUnit test for Exceptions extending {@link VaultConnectorException}.
*
* @author Stefan Kalscheuer
*/
public class VaultConnectorExceptionTest {
private static final String MSG = "This is a test exception!";
private static final Throwable CAUSE = new Exception("Test-Cause");
private static final Integer STATUS_CODE = 1337;
private static final String RESPONSE = "Dummy response";
@Test
public void authorizationRequiredExceptionTest() {
assertEmptyConstructor(new AuthorizationRequiredException());
}
@Test
public void connectionExceptionTest() {
assertEmptyConstructor(new ConnectionException());
assertMsgConstructor(new ConnectionException(MSG));
assertCauseConstructor(new ConnectionException(CAUSE));
assertMsgCauseConstructor(new ConnectionException(MSG, CAUSE));
}
@Test
public void invalidRequestExceptionTest() {
assertEmptyConstructor(new InvalidRequestException());
assertMsgConstructor(new InvalidRequestException(MSG));
assertCauseConstructor(new InvalidRequestException(CAUSE));
assertMsgCauseConstructor(new InvalidRequestException(MSG, CAUSE));
}
@Test
public void invalidResponseExceptionTest() {
assertEmptyConstructor(new InvalidResponseException());
assertMsgConstructor(new InvalidResponseException(MSG));
assertCauseConstructor(new InvalidResponseException(CAUSE));
assertMsgCauseConstructor(new InvalidResponseException(MSG, CAUSE));
// Constructor with message and status code.
InvalidResponseException e = new InvalidResponseException(MSG, STATUS_CODE);
assertThat(e.getMessage(), is(MSG));
assertThat(e.getCause(), is(nullValue()));
assertThat(e.getStatusCode(), is(STATUS_CODE));
assertThat(e.getResponse(), is(nullValue()));
// Constructor with message, status code and cause.
e = new InvalidResponseException(MSG, STATUS_CODE, CAUSE);
assertThat(e.getMessage(), is(MSG));
assertThat(e.getCause(), is(CAUSE));
assertThat(e.getStatusCode(), is(STATUS_CODE));
assertThat(e.getResponse(), is(nullValue()));
// Constructor with message, status code and response.
e = new InvalidResponseException(MSG, STATUS_CODE, RESPONSE);
assertThat(e.getMessage(), is(MSG));
assertThat(e.getCause(), is(nullValue()));
assertThat(e.getStatusCode(), is(STATUS_CODE));
assertThat(e.getResponse(), is(RESPONSE));
// Constructor with message, status code, response and cause.
e = new InvalidResponseException(MSG, STATUS_CODE, RESPONSE, CAUSE);
assertThat(e.getMessage(), is(MSG));
assertThat(e.getCause(), is(CAUSE));
assertThat(e.getStatusCode(), is(STATUS_CODE));
assertThat(e.getResponse(), is(RESPONSE));
}
@Test
public void permissionDeniedExceptionTest() {
// Default message overwritten.
PermissionDeniedException e = new PermissionDeniedException();
assertThat(e, is(instanceOf(VaultConnectorException.class)));
assertThat(e, is(instanceOf(Exception.class)));
assertThat(e, is(instanceOf(Throwable.class)));
assertThat(e.getMessage(), is("Permission denied"));
assertThat(e.getCause(), is(nullValue()));
assertMsgConstructor(new PermissionDeniedException(MSG));
assertCauseConstructor(new PermissionDeniedException(CAUSE));
assertMsgCauseConstructor(new PermissionDeniedException(MSG, CAUSE));
}
@Test
public void tlsExceptionTest() {
assertEmptyConstructor(new TlsException());
assertMsgConstructor(new TlsException(MSG));
assertCauseConstructor(new TlsException(CAUSE));
assertMsgCauseConstructor(new TlsException(MSG, CAUSE));
}
/**
* Assertions for empty constructor.
*
* @param e the exception
*/
private void assertEmptyConstructor(VaultConnectorException e) {
assertThat(e, is(instanceOf(VaultConnectorException.class)));
assertThat(e, is(instanceOf(Exception.class)));
assertThat(e, is(instanceOf(Throwable.class)));
assertThat(e.getMessage(), is(nullValue()));
assertThat(e.getCause(), is(nullValue()));
}
/**
* Assertions for constructor with message.
*
* @param e the exception
*/
private void assertMsgConstructor(VaultConnectorException e) {
assertThat(e.getMessage(), is(MSG));
assertThat(e.getCause(), is(nullValue()));
}
/**
* Assertions for constructor with cause.
*
* @param e the exception
*/
private void assertCauseConstructor(VaultConnectorException e) {
assertThat(e.getMessage(), is(CAUSE.toString()));
assertThat(e.getCause(), is(CAUSE));
}
/**
* Assertions for constructor with message and cause.
*
* @param e the exception
*/
private void assertMsgCauseConstructor(VaultConnectorException e) {
assertThat(e.getMessage(), is(MSG));
assertThat(e.getCause(), is(CAUSE));
}
}