Add Adapter class for a Spring Environment to use as a Map.
This commit is contained in:
John Blum
335
spring-geode/src/test/java/org/springframework/geode/core/env/EnvironmentMapAdapterUnitTests.java
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335
spring-geode/src/test/java/org/springframework/geode/core/env/EnvironmentMapAdapterUnitTests.java
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/*
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* Copyright 2020 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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package org.springframework.geode.core.env;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.mockito.ArgumentMatchers.any;
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import static org.mockito.ArgumentMatchers.eq;
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import static org.mockito.Mockito.doAnswer;
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import static org.mockito.Mockito.doReturn;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.times;
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import static org.mockito.Mockito.verify;
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import static org.mockito.Mockito.verifyNoInteractions;
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import static org.mockito.Mockito.verifyNoMoreInteractions;
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import java.util.Map;
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import java.util.Set;
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import java.util.stream.Collectors;
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import org.junit.Test;
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import org.springframework.core.env.ConfigurableEnvironment;
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import org.springframework.core.env.EnumerablePropertySource;
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import org.springframework.core.env.Environment;
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import org.springframework.core.env.MutablePropertySources;
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import org.springframework.data.gemfire.tests.support.MapBuilder;
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import org.springframework.data.gemfire.util.ArrayUtils;
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import org.springframework.geode.core.env.EnvironmentMapAdapter.EnvironmentEntry;
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/**
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* Unit Tests for {@link EnvironmentMapAdapter}.
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*
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* @author John Blum
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* @see java.util.Map
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* @see org.junit.Test
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* @see org.mockito.Mockito
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* @see org.springframework.core.env.EnumerablePropertySource
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* @see org.springframework.core.env.Environment
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* @see org.springframework.geode.core.env.EnvironmentMapAdapter
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* @since 1.3.1
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*/
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public class EnvironmentMapAdapterUnitTests {
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@Test
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public void constructNewEnvironmentMapAdapter() {
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Environment mockEnvironment = mock(Environment.class);
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EnvironmentMapAdapter adapter = new EnvironmentMapAdapter(mockEnvironment);
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assertThat(adapter).isNotNull();
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assertThat(adapter.getEnvironment()).isEqualTo(mockEnvironment);
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verifyNoInteractions(mockEnvironment);
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}
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@Test(expected = IllegalArgumentException.class)
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public void constructNewEnvironmentMapAdapterWithNullEnvironment() {
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try {
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new EnvironmentMapAdapter(null);
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}
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catch (IllegalArgumentException expected) {
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assertThat(expected).hasMessage("Environment must not be null");
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assertThat(expected).hasNoCause();
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throw expected;
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}
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}
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@Test
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public void fromEnvironment() {
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Environment mockEnvironment = mock(Environment.class);
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EnvironmentMapAdapter adapter = EnvironmentMapAdapter.from(mockEnvironment);
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assertThat(adapter).isNotNull();
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assertThat(adapter.getEnvironment()).isEqualTo(mockEnvironment);
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verifyNoInteractions(mockEnvironment);
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}
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@Test
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@SuppressWarnings("all")
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public void containsExistingKeyReturnsTrue() {
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Environment mockEnvironment = mock(Environment.class);
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doReturn(true).when(mockEnvironment).containsProperty("1");
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assertThat(EnvironmentMapAdapter.from(mockEnvironment).containsKey(1)).isTrue();
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verify(mockEnvironment, times(1)).containsProperty(eq("1"));
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verifyNoMoreInteractions(mockEnvironment);
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}
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@Test
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public void containsNonExistingKeyReturnsFalse() {
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Environment mockEnvironment = mock(Environment.class);
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doReturn(false).when(mockEnvironment).containsProperty(any());
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assertThat(EnvironmentMapAdapter.from(mockEnvironment).containsKey("test")).isFalse();
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verify(mockEnvironment, times(1)).containsProperty(eq("test"));
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verifyNoMoreInteractions(mockEnvironment);
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}
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@Test
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public void containsNullKeyIsNullSafeReturnsFalse() {
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Environment mockEnvironment = mock(Environment.class);
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assertThat(EnvironmentMapAdapter.from(mockEnvironment).containsKey(null)).isFalse();
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verifyNoInteractions(mockEnvironment);
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}
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@Test
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@SuppressWarnings("all")
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public void getExistingKeyReturnsEnvironmentPropertyValue() {
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Environment mockEnvironment = mock(Environment.class);
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doReturn("test").when(mockEnvironment).getProperty(eq("1"));
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assertThat(EnvironmentMapAdapter.from(mockEnvironment).get(1)).isEqualTo("test");
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verify(mockEnvironment, times(1)).getProperty(eq("1"));
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verifyNoMoreInteractions(mockEnvironment);
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}
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@Test
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public void getNonExistingKeyReturnsNull() {
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Environment mockEnvironment = mock(Environment.class);
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doReturn(null).when(mockEnvironment).getProperty(any());
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assertThat(EnvironmentMapAdapter.from(mockEnvironment).get("test")).isNull();
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verify(mockEnvironment, times(1)).getProperty(eq("test"));
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verifyNoMoreInteractions(mockEnvironment);
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}
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@Test
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public void getNullKeyIsNullSafeReturnsNull() {
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Environment mockEnvironment = mock(Environment.class);
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assertThat(EnvironmentMapAdapter.from(mockEnvironment).get(null)).isNull();
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verifyNoInteractions(mockEnvironment);
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}
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@Test
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@SuppressWarnings("all")
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public void entrySetFromConfigurableEnvironment() {
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ConfigurableEnvironment mockEnvironment = mock(ConfigurableEnvironment.class);
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EnumerablePropertySource<?> mockPropertySourceOne = mock(EnumerablePropertySource.class, "PropertySourceOne");
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EnumerablePropertySource<?> mockPropertySourceTwo = mock(EnumerablePropertySource.class, "PropertySourceTwo");
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Map<String, String> map = MapBuilder.<String, String>newMapBuilder()
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.put("propertyNameOne", "one")
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.put("propertyNameTwo", "two")
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.put("propertyNameThree", "three")
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.build();
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MutablePropertySources mutablePropertySources = new MutablePropertySources();
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mutablePropertySources.addLast(mockPropertySourceOne);
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mutablePropertySources.addLast(mockPropertySourceTwo);
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doAnswer(invocation -> map.get(invocation.getArgument(0))).when(mockEnvironment).getProperty(any());
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doReturn(mutablePropertySources).when(mockEnvironment).getPropertySources();
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doReturn(ArrayUtils.asArray("propertyNameOne")).when(mockPropertySourceOne).getPropertyNames();
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doReturn(ArrayUtils.asArray("propertyNameTwo", "propertyNameThree"))
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.when(mockPropertySourceTwo).getPropertyNames();
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EnvironmentMapAdapter adapter = EnvironmentMapAdapter.from(mockEnvironment);
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assertThat(adapter).isNotNull();
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assertThat(adapter.getEnvironment()).isEqualTo(mockEnvironment);
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Set<Map.Entry<String, String>> entrySet = adapter.entrySet();
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assertThat(entrySet).isNotNull();
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assertThat(entrySet).hasSize(3);
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assertThat(entrySet.stream().map(Map.Entry::getKey).sorted().collect(Collectors.toList()))
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.containsExactly("propertyNameOne", "propertyNameThree", "propertyNameTwo");
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entrySet.forEach(entry -> assertThat(entry.getValue()).isEqualTo(map.get(entry.getKey())));
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}
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@Test(expected = UnsupportedOperationException.class)
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public void entrySetForNonConfigurableEnvironment() {
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Environment mockEnvironment = mock(Environment.class);
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try {
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EnvironmentMapAdapter.from(mockEnvironment).entrySet();
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}
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catch (UnsupportedOperationException expected) {
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assertThat(expected).hasMessage("Unable to determine the entrySet from the Environment [%s]",
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mockEnvironment.getClass().getName());
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assertThat(expected).hasNoCause();
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throw expected;
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}
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finally {
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verifyNoInteractions(mockEnvironment);
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}
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}
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@Test
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public void constructNewEnvironmentEntry() {
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Environment mockEnvironment = mock(Environment.class);
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EnvironmentEntry entry = new EnvironmentEntry(mockEnvironment, "testKey");
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assertThat(entry).isNotNull();
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assertThat(entry.getEnvironment()).isEqualTo(mockEnvironment);
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assertThat(entry.getKey()).isEqualTo("testKey");
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verifyNoInteractions(mockEnvironment);
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}
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@Test(expected = IllegalArgumentException.class)
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public void constructNewEnvironmentEntryWithNullEnvironment() {
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try {
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new EnvironmentEntry(null, "testKey");
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}
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catch (IllegalArgumentException expected) {
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assertThat(expected).hasMessage("Environment must not be null");
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assertThat(expected).hasNoCause();
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throw expected;
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}
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}
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public void testConstructNewEnvironmentEntryWithInvalidKey(String key) {
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Environment mockEnvironment = mock(Environment.class);
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try {
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new EnvironmentEntry(mockEnvironment, key);
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}
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catch (IllegalArgumentException expected) {
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assertThat(expected).hasMessage("Key [%s] must be specified", key);
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assertThat(expected).hasNoCause();
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throw expected;
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}
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finally {
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verifyNoInteractions(mockEnvironment);
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}
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}
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@Test(expected = IllegalArgumentException.class)
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public void constructNewEnvironmentEntryWithBlankKey() {
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testConstructNewEnvironmentEntryWithInvalidKey(" ");
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}
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@Test(expected = IllegalArgumentException.class)
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public void constructNewEnvironmentEntryWithEmptyKey() {
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testConstructNewEnvironmentEntryWithInvalidKey("");
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}
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@Test(expected = IllegalArgumentException.class)
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public void constructNewEnvironmentEntryWithNullKey() {
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testConstructNewEnvironmentEntryWithInvalidKey(null);
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}
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@Test
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public void environmentEntryGetValueCallsGetKeyReturnsEnviromentPropertyValue() {
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Environment mockEnvironment = mock(Environment.class);
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doReturn("test").when(mockEnvironment).getProperty(eq("1"));
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EnvironmentEntry entry = new EnvironmentEntry(mockEnvironment, "1");
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assertThat(entry).isNotNull();
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assertThat(entry.getEnvironment()).isEqualTo(mockEnvironment);
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assertThat(entry.getKey()).isEqualTo("1");
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assertThat(entry.getValue()).isEqualTo("test");
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verify(mockEnvironment, times(1)).getProperty(eq("1"));
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verifyNoMoreInteractions(mockEnvironment);
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}
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@Test(expected = UnsupportedOperationException.class)
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public void environmentEntrySetValueThrowsUnsupportedOperationException() {
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Environment mockEnvironment = mock(Environment.class);
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try {
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new EnvironmentEntry(mockEnvironment, "1").setValue("test");
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}
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catch (UnsupportedOperationException expected) {
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assertThat(expected).hasMessage("Setting the value of Environment property [1] is not supported");
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assertThat(expected).hasNoCause();
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throw expected;
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}
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finally {
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verifyNoInteractions(mockEnvironment);
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}
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}
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}
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