package com.epam.wilma.stubconfig.initializer.interceptor;
/*==========================================================================
Copyright 2013-2017 EPAM Systems
This file is part of Wilma.
Wilma is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Wilma is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Wilma. If not, see <http://www.gnu.org/licenses/>.
===========================================================================*/
import static org.mockito.BDDMockito.given;
import static org.testng.Assert.assertEquals;
import java.util.ArrayList;
import java.util.List;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.context.ApplicationContext;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import com.epam.wilma.domain.stubconfig.StubResourcePathProvider;
import com.epam.wilma.domain.stubconfig.TemporaryStubResourceHolder;
import com.epam.wilma.domain.stubconfig.interceptor.MockResponseInterceptor;
import com.epam.wilma.domain.stubconfig.interceptor.ResponseInterceptor;
import com.epam.wilma.domain.stubconfig.exception.DescriptorValidationFailedException;
import com.epam.wilma.stubconfig.initializer.support.ExternalInitializer;
/**
* Unit tests for the class {@link ResponseInterceptorInitializer}.
* @author Tunde_Kovacs
*
*/
public class ResponseInterceptorInitializerTest {
private static final String CLASS_NAME = "MockResponseInterceptor";
private static final String PATH = "config/interceptors";
private List<ResponseInterceptor> responseInterceptors;
@Mock
private StubResourcePathProvider stubResourcePathProvider;
@Mock
private TemporaryStubResourceHolder stubResourceHolder;
@Mock
private ExternalInitializer externalInitializer;
@Mock
private ApplicationContext appContext;
@InjectMocks
private ResponseInterceptorInitializer underTest;
@BeforeMethod
public void setUp() {
MockitoAnnotations.initMocks(this);
responseInterceptors = new ArrayList<>();
given(stubResourceHolder.getResponseInterceptors()).willReturn(responseInterceptors);
}
@Test
public void testGetResponseInterceptorShouldReturnClassBasedOnName() {
//GIVEN
given(appContext.getBean(CLASS_NAME, ResponseInterceptor.class)).willThrow(new NoSuchBeanDefinitionException(""));
ResponseInterceptor responseInterceptor = new MockResponseInterceptor();
responseInterceptors.add(responseInterceptor);
//WHEN
ResponseInterceptor actual = underTest.getExternalClassObject(CLASS_NAME);
//THEN
assertEquals(actual, responseInterceptor);
}
@Test
public void testGetResponseInterceptorShouldReturnRequestInterceptorrWhenTheClassIsManagedBySpring() {
//GIVEN
ResponseInterceptor responseInterceptor = new MockResponseInterceptor();
given(appContext.getBean(CLASS_NAME, ResponseInterceptor.class)).willReturn(responseInterceptor);
//WHEN
ResponseInterceptor actual = underTest.getExternalClassObject(CLASS_NAME);
//THEN
assertEquals(actual, responseInterceptor);
}
@Test
public void testGetResponseInterceptorWhenInternalExistsShouldReturnResponseInterceptor() {
//GIVEN
ResponseInterceptor responseInterceptor = new MockResponseInterceptor();
responseInterceptors.add(responseInterceptor);
//WHEN
ResponseInterceptor actual = underTest.getExternalClassObject(CLASS_NAME);
//THEN
assertEquals(actual, responseInterceptor);
}
@Test
public void testGetResponseInterceptorWhenMoreInternalsExistShouldReturnResponseInterceptor() {
//GIVEN
responseInterceptors.clear();
ResponseInterceptor responseInterceptor1 = new MockResponseInterceptor();
responseInterceptors.add(responseInterceptor1);
ResponseInterceptor responseInterceptor2 = new MockResponseInterceptor();
responseInterceptors.add(responseInterceptor2);
//WHEN
ResponseInterceptor actual = underTest.getExternalClassObject(CLASS_NAME);
//THEN
assertEquals(actual, responseInterceptor1);
}
@Test
public void testGetResponseInterceptorWhenExternalExistsShouldReturnResponseInterceptor() {
//GIVEN
given(stubResourcePathProvider.getInterceptorPathAsString()).willReturn(PATH);
ResponseInterceptor responseInterceptor = new MockResponseInterceptor();
given(externalInitializer.loadExternalClass(CLASS_NAME, PATH, ResponseInterceptor.class)).willReturn(responseInterceptor);
//WHEN
ResponseInterceptor actual = underTest.getExternalClassObject(CLASS_NAME);
//THEN
assertEquals(actual.getClass(), responseInterceptor.getClass());
}
@Test
public void testGetResponseInterceptorWhenNoClassExistsShouldReturnNull() {
//GIVEN
given(stubResourcePathProvider.getInterceptorPathAsString()).willReturn(null);
//WHEN
ResponseInterceptor actual = underTest.getExternalClassObject(CLASS_NAME);
//THEN
assertEquals(actual, null);
}
@Test(expectedExceptions = DescriptorValidationFailedException.class)
public void testGetResponseInterceptorWhenItDoesNotExistShouldThrowException() {
//GIVEN
given(stubResourcePathProvider.getInterceptorPathAsString()).willReturn(PATH);
given(externalInitializer.loadExternalClass(CLASS_NAME, PATH, ResponseInterceptor.class)).willThrow(
new DescriptorValidationFailedException(CLASS_NAME));
//WHEN
underTest.getExternalClassObject(CLASS_NAME);
//THEN it should throw exception
}
}