/*
* Copyright 2012 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 org.springframework.data.gemfire.util;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static org.springframework.data.gemfire.util.ArrayUtils.asArray;
import java.util.function.Supplier;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;
import org.springframework.beans.factory.config.BeanDefinition;
/**
* Unit tests for {@link SpringUtils}.
*
* @author John Blum
* @see org.junit.Test
* @see org.junit.runner.RunWith
* @see org.mockito.Mock
* @see org.mockito.Mockito
* @see org.mockito.junit.MockitoJUnitRunner
* @see org.springframework.data.gemfire.util.SpringUtils
* @since 1.9.0
*/
@RunWith(MockitoJUnitRunner.class)
public class SpringUtilsUnitTests {
@Mock
private BeanDefinition mockBeanDefinition;
@Test
public void addDependsOnToExistingDependencies() {
when(mockBeanDefinition.getDependsOn()).thenReturn(asArray("testBeanNameOne", "testBeanNameTwo"));
assertThat(SpringUtils.addDependsOn(mockBeanDefinition, "testBeanNameThree")).isSameAs(mockBeanDefinition);
verify(mockBeanDefinition, times(1)).getDependsOn();
verify(mockBeanDefinition, times(1))
.setDependsOn("testBeanNameOne", "testBeanNameTwo", "testBeanNameThree");
}
@Test
public void addDependsOnToNonExistingDependencies() {
when(mockBeanDefinition.getDependsOn()).thenReturn(null);
assertThat(SpringUtils.addDependsOn(mockBeanDefinition, "testBeanName")).isSameAs(mockBeanDefinition);
verify(mockBeanDefinition, times(1)).getDependsOn();
verify(mockBeanDefinition, times(1)).setDependsOn("testBeanName");
}
@Test
public void addDependsOnWithMultipleDependenciesWithExistingDependencies() {
when(mockBeanDefinition.getDependsOn()).thenReturn(asArray("testBeanNameOne", "testBeanNameTwo"));
assertThat(SpringUtils.addDependsOn(mockBeanDefinition, "testBeanNameThree", "testBeanNameFour"))
.isSameAs(mockBeanDefinition);
verify(mockBeanDefinition, times(1)).getDependsOn();
verify(mockBeanDefinition, times(1))
.setDependsOn("testBeanNameOne", "testBeanNameTwo", "testBeanNameThree", "testBeanNameFour");
}
@Test
public void defaultIfEmptyReturnsValue() {
assertThat(SpringUtils.defaultIfEmpty("test", "DEFAULT")).isEqualTo("test");
assertThat(SpringUtils.defaultIfEmpty("abc123", "DEFAULT")).isEqualTo("abc123");
assertThat(SpringUtils.defaultIfEmpty("123", "DEFAULT")).isEqualTo("123");
assertThat(SpringUtils.defaultIfEmpty("X", "DEFAULT")).isEqualTo("X");
assertThat(SpringUtils.defaultIfEmpty("$", "DEFAULT")).isEqualTo("$");
assertThat(SpringUtils.defaultIfEmpty("_", "DEFAULT")).isEqualTo("_");
assertThat(SpringUtils.defaultIfEmpty("nil", "DEFAULT")).isEqualTo("nil");
assertThat(SpringUtils.defaultIfEmpty("null", "DEFAULT")).isEqualTo("null");
}
@Test
public void defaultIfEmptyReturnsDefault() {
assertThat(SpringUtils.defaultIfEmpty(" ", "DEFAULT")).isEqualTo("DEFAULT");
assertThat(SpringUtils.defaultIfEmpty("", "DEFAULT")).isEqualTo("DEFAULT");
assertThat(SpringUtils.defaultIfEmpty(null, "DEFAULT")).isEqualTo("DEFAULT");
}
@Test
public void defaultIfNullReturnsValue() {
assertThat(SpringUtils.defaultIfNull(true, false)).isTrue();
assertThat(SpringUtils.defaultIfNull('x', 'A')).isEqualTo('x');
assertThat(SpringUtils.defaultIfNull(1, 2)).isEqualTo(1);
assertThat(SpringUtils.defaultIfNull(Math.PI, 2.0d)).isEqualTo(Math.PI);
assertThat(SpringUtils.defaultIfNull("test", "DEFAULT")).isEqualTo("test");
}
@Test
public void defaultIfNullReturnsDefault() {
assertThat(SpringUtils.defaultIfNull(null, false)).isFalse();
assertThat(SpringUtils.defaultIfNull(null, 'A')).isEqualTo('A');
assertThat(SpringUtils.defaultIfNull(null, 2)).isEqualTo(2);
assertThat(SpringUtils.defaultIfNull(null, 2.0d)).isEqualTo(2.0d);
assertThat(SpringUtils.defaultIfNull(null, "DEFAULT")).isEqualTo("DEFAULT");
}
@Test
@SuppressWarnings("unchecked")
public void defaultIfNullWithSupplierReturnsValue() {
Supplier<String> mockSupplier = mock(Supplier.class);
assertThat(SpringUtils.defaultIfNull("value", mockSupplier)).isEqualTo("value");
verify(mockSupplier, never()).get();
}
@Test
@SuppressWarnings("unchecked")
public void defaultIfNullWithSupplierReturnsSupplierValue() {
Supplier<String> mockSupplier = mock(Supplier.class);
when(mockSupplier.get()).thenReturn("supplier");
assertThat(SpringUtils.defaultIfNull(null, mockSupplier)).isEqualTo("supplier");
verify(mockSupplier, times(1)).get();
}
@Test
public void dereferenceBean() {
assertThat(SpringUtils.dereferenceBean("example")).isEqualTo("&example");
}
@Test
public void equalsIgnoreNullIsTrue() {
assertThat(SpringUtils.equalsIgnoreNull(null, null)).isTrue();
assertThat(SpringUtils.equalsIgnoreNull(true, true)).isTrue();
assertThat(SpringUtils.equalsIgnoreNull('x', 'x')).isTrue();
assertThat(SpringUtils.equalsIgnoreNull(1, 1)).isTrue();
assertThat(SpringUtils.equalsIgnoreNull(Math.PI, Math.PI)).isTrue();
assertThat(SpringUtils.equalsIgnoreNull("null", "null")).isTrue();
assertThat(SpringUtils.equalsIgnoreNull("test", "test")).isTrue();
}
@Test
public void equalsIgnoreNullIsFalse() {
assertThat(SpringUtils.equalsIgnoreNull(null, "null")).isFalse();
assertThat(SpringUtils.equalsIgnoreNull(true, false)).isFalse();
assertThat(SpringUtils.equalsIgnoreNull('x', 'X')).isFalse();
assertThat(SpringUtils.equalsIgnoreNull(1, 2)).isFalse();
assertThat(SpringUtils.equalsIgnoreNull(3.14159d, Math.PI)).isFalse();
assertThat(SpringUtils.equalsIgnoreNull("nil", "null")).isFalse();
}
@Test
public void nullOrEqualsWithEqualObjectsIsTrue() {
assertThat(SpringUtils.nullOrEquals("test", "test")).isTrue();
}
@Test
public void nullOrEqualsWithNonNullObjectAndNullIsFalse() {
assertThat(SpringUtils.nullOrEquals("test", null)).isFalse();
}
@Test
public void nullOrEqualsWithNullIsTrue() {
assertThat(SpringUtils.nullOrEquals(null, "test")).isTrue();
}
@Test
public void nullOrEqualsWithUnequalObjectsIsFalse() {
assertThat(SpringUtils.nullOrEquals("test", "mock")).isFalse();
}
@Test
public void nullSafeEqualsWithEqualObjectsIsTrue() {
assertThat(SpringUtils.nullSafeEquals("test", "test")).isTrue();
}
@Test
public void nullSafeEqualsWithNullObjectsIsFalse() {
assertThat(SpringUtils.nullSafeEquals(null, "test")).isFalse();
assertThat(SpringUtils.nullSafeEquals("test", null)).isFalse();
}
@Test
public void nullSafeEqualsWithUnequalObjectsIsFalse() {
assertThat(SpringUtils.nullSafeEquals("test", "mock")).isFalse();
}
@Test
public void safeGetValueReturnsSupplierValue() {
assertThat(SpringUtils.safeGetValue(() -> "test", null)).isEqualTo("test");
}
@Test
public void safeGetValueReturnsDefaultValue() {
assertThat(SpringUtils.safeGetValue(() -> { throw new RuntimeException("error"); }, "test"))
.isEqualTo("test");
}
@Test
public void safeGetValueReturnsNull() {
assertThat(SpringUtils.<Object>safeGetValue(() -> { throw new RuntimeException("error"); })).isNull();
}
}