com.github.springtestdbunit.TestExecutionListenerChainTests.java Source code

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Here is the source code for com.github.springtestdbunit.TestExecutionListenerChainTests.java

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/*
 * Copyright 2010 the original author or authors
 * 
 * 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.github.springtestdbunit;

import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertTrue;
import static junit.framework.Assert.fail;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.mock;

import java.io.IOError;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;

import org.junit.Before;
import org.junit.Test;
import org.mockito.InOrder;
import org.springframework.test.context.TestContext;
import org.springframework.test.context.TestExecutionListener;
import org.springframework.test.context.support.AbstractTestExecutionListener;

/**
 * Tests for {@link TestExecutionListenerChain}.
 * 
 * @author Phillip Webb
 */
public class TestExecutionListenerChainTests {

    private InOrder ordered;
    private TestExecutionListenerChain chain;
    private TestContext testContext;
    private TestExecutionListener l1;
    private TestExecutionListener l2;

    @Before
    public void setup() {
        this.l1 = mock(TestExecutionListener.class);
        this.l2 = mock(TestExecutionListener.class);
        this.ordered = inOrder(this.l1, this.l2);
        this.chain = new TestExecutionListenerChain() {
            @Override
            protected Class<?>[] getChain() {
                return null;
            }

            @Override
            protected List<TestExecutionListener> createChain() {
                return Arrays.asList(TestExecutionListenerChainTests.this.l1,
                        TestExecutionListenerChainTests.this.l2);
            };
        };
        this.testContext = mock(TestContext.class);
    }

    @Test
    public void shouldCreateChainFromClasses() throws Exception {
        this.chain = new TestExecutionListenerChain() {
            @Override
            protected Class<?>[] getChain() {
                return new Class<?>[] { TestListener1.class, TestListener2.class };
            };
        };
        List<TestExecutionListener> list = this.chain.createChain();
        assertEquals(2, list.size());
        assertTrue(list.get(0) instanceof TestListener1);
        assertTrue(list.get(1) instanceof TestListener2);
    }

    @Test
    public void shouldNotCreateWithIllegalConstructor() throws Exception {
        try {
            this.chain = new TestExecutionListenerChain() {
                @Override
                protected Class<?>[] getChain() {
                    return new Class<?>[] { InvalidTestListener.class };
                };
            };
            fail();
        } catch (IllegalStateException e) {
            assertEquals("Unable to create chain for classes [class com.github.springtestdbunit."
                    + "TestExecutionListenerChainTests$InvalidTestListener]", e.getMessage());
        }
    }

    @Test
    public void shouldChainBeforeTestClass() throws Exception {
        this.chain.beforeTestClass(this.testContext);
        this.ordered.verify(this.l1).beforeTestClass(this.testContext);
        this.ordered.verify(this.l2).beforeTestClass(this.testContext);
    }

    @Test
    public void shouldChainPrepareTestInstance() throws Exception {
        this.chain.prepareTestInstance(this.testContext);
        this.ordered.verify(this.l1).prepareTestInstance(this.testContext);
        this.ordered.verify(this.l2).prepareTestInstance(this.testContext);
    }

    @Test
    public void shouldChainBeforeTestMethod() throws Exception {
        this.chain.beforeTestMethod(this.testContext);
        this.ordered.verify(this.l1).beforeTestMethod(this.testContext);
        this.ordered.verify(this.l2).beforeTestMethod(this.testContext);
    }

    @Test
    public void shouldChainAfterTestMethod() throws Exception {
        this.chain.afterTestMethod(this.testContext);
        this.ordered.verify(this.l2).afterTestMethod(this.testContext);
        this.ordered.verify(this.l1).afterTestMethod(this.testContext);
    }

    @Test(expected = Exception.class)
    public void shouldChainAfterTestMethodEvenOnException() throws Exception {
        doThrow(new IOError(null)).when(this.l2).afterTestMethod(this.testContext);
        this.chain.afterTestMethod(this.testContext);
        this.ordered.verify(this.l2).afterTestMethod(this.testContext);
        this.ordered.verify(this.l1).afterTestMethod(this.testContext);
    }

    @Test
    public void shouldChainAfterTestClass() throws Exception {
        this.chain.afterTestClass(this.testContext);
        this.ordered.verify(this.l2).afterTestClass(this.testContext);
        this.ordered.verify(this.l1).afterTestClass(this.testContext);
    }

    @Test(expected = IOException.class)
    public void shouldChainAfterTestClassEvenOnException() throws Exception {
        doThrow(new IOException()).when(this.l2).afterTestClass(this.testContext);
        this.chain.afterTestClass(this.testContext);
        this.ordered.verify(this.l2).afterTestClass(this.testContext);
        this.ordered.verify(this.l1).afterTestClass(this.testContext);
    }

    public static class TestListener1 extends AbstractTestExecutionListener {

    }

    public static class TestListener2 extends AbstractTestExecutionListener {

    }

    public static class InvalidTestListener extends AbstractTestExecutionListener {
        public InvalidTestListener(String illegal) {
        }
    }

}