/*
* Copyright 2012-2017 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.boot.context.properties.source;
import java.util.LinkedHashMap;
import java.util.Map;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.springframework.boot.origin.Origin;
import org.springframework.boot.origin.OriginLookup;
import org.springframework.core.env.EnumerablePropertySource;
import org.springframework.core.env.MapPropertySource;
import org.springframework.core.env.PropertySource;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;
/**
* Tests for {@link SpringIterableConfigurationPropertySource}.
*
* @author Phillip Webb
* @author Madhura Bhave
*/
public class SpringIterableConfigurationPropertySourceTests {
@Rule
public ExpectedException thrown = ExpectedException.none();
@Test
public void createWhenPropertySourceIsNullShouldThrowException() throws Exception {
this.thrown.expect(IllegalArgumentException.class);
this.thrown.expectMessage("PropertySource must not be null");
new SpringIterableConfigurationPropertySource(null, mock(PropertyMapper.class));
}
@Test
public void createWhenMapperIsNullShouldThrowException() throws Exception {
this.thrown.expect(IllegalArgumentException.class);
this.thrown.expectMessage("Mapper must not be null");
new SpringIterableConfigurationPropertySource(
mock(EnumerablePropertySource.class), null);
}
@Test
public void iteratorShouldAdaptNames() throws Exception {
Map<String, Object> source = new LinkedHashMap<>();
source.put("key1", "value1");
source.put("key2", "value2");
source.put("key3", "value3");
source.put("key4", "value4");
EnumerablePropertySource<?> propertySource = new MapPropertySource("test",
source);
TestPropertyMapper mapper = new TestPropertyMapper();
mapper.addFromPropertySource("key1", "my.key1");
mapper.addFromPropertySource("key2", "my.key2a", "my.key2b");
mapper.addFromPropertySource("key4", "my.key4");
SpringIterableConfigurationPropertySource adapter = new SpringIterableConfigurationPropertySource(
propertySource, mapper);
assertThat(adapter.iterator()).extracting(Object::toString)
.containsExactly("my.key1", "my.key2a", "my.key2b", "my.key4");
}
@Test
public void getValueShouldUseDirectMapping() throws Exception {
Map<String, Object> source = new LinkedHashMap<>();
source.put("key1", "value1");
source.put("key2", "value2");
source.put("key3", "value3");
EnumerablePropertySource<?> propertySource = new MapPropertySource("test",
source);
TestPropertyMapper mapper = new TestPropertyMapper();
ConfigurationPropertyName name = ConfigurationPropertyName.of("my.key");
mapper.addFromConfigurationProperty(name, "key2");
SpringIterableConfigurationPropertySource adapter = new SpringIterableConfigurationPropertySource(
propertySource, mapper);
assertThat(adapter.getConfigurationProperty(name).getValue()).isEqualTo("value2");
}
@Test
public void getValueShouldUseEnumerableMapping() throws Exception {
Map<String, Object> source = new LinkedHashMap<>();
source.put("key1", "value1");
source.put("key2", "value2");
source.put("key3", "value3");
EnumerablePropertySource<?> propertySource = new MapPropertySource("test",
source);
TestPropertyMapper mapper = new TestPropertyMapper();
mapper.addFromPropertySource("key1", "my.missing");
mapper.addFromPropertySource("key2", "my.k-e-y");
SpringIterableConfigurationPropertySource adapter = new SpringIterableConfigurationPropertySource(
propertySource, mapper);
ConfigurationPropertyName name = ConfigurationPropertyName.of("my.key");
assertThat(adapter.getConfigurationProperty(name).getValue()).isEqualTo("value2");
}
@Test
public void getValueShouldUseExtractor() throws Exception {
Map<String, Object> source = new LinkedHashMap<>();
source.put("key", "value");
EnumerablePropertySource<?> propertySource = new MapPropertySource("test",
source);
TestPropertyMapper mapper = new TestPropertyMapper();
ConfigurationPropertyName name = ConfigurationPropertyName.of("my.key");
mapper.addFromConfigurationProperty(name, "key",
(value) -> value.toString().replace("ue", "let"));
SpringIterableConfigurationPropertySource adapter = new SpringIterableConfigurationPropertySource(
propertySource, mapper);
assertThat(adapter.getConfigurationProperty(name).getValue()).isEqualTo("vallet");
}
@Test
public void getValueOrigin() throws Exception {
Map<String, Object> source = new LinkedHashMap<>();
source.put("key", "value");
EnumerablePropertySource<?> propertySource = new MapPropertySource("test",
source);
TestPropertyMapper mapper = new TestPropertyMapper();
ConfigurationPropertyName name = ConfigurationPropertyName.of("my.key");
mapper.addFromConfigurationProperty(name, "key");
SpringIterableConfigurationPropertySource adapter = new SpringIterableConfigurationPropertySource(
propertySource, mapper);
assertThat(adapter.getConfigurationProperty(name).getOrigin().toString())
.isEqualTo("\"key\" from property source \"test\"");
}
@Test
public void getValueWhenOriginCapableShouldIncludeSourceOrigin() throws Exception {
Map<String, Object> source = new LinkedHashMap<>();
source.put("key", "value");
EnumerablePropertySource<?> propertySource = new OriginCapablePropertySource<>(
new MapPropertySource("test", source));
TestPropertyMapper mapper = new TestPropertyMapper();
ConfigurationPropertyName name = ConfigurationPropertyName.of("my.key");
mapper.addFromConfigurationProperty(name, "key");
SpringIterableConfigurationPropertySource adapter = new SpringIterableConfigurationPropertySource(
propertySource, mapper);
assertThat(adapter.getConfigurationProperty(name).getOrigin().toString())
.isEqualTo("TestOrigin key");
}
@Test
public void containsDescendantOfShouldCheckSourceNames() throws Exception {
Map<String, Object> source = new LinkedHashMap<>();
source.put("foo.bar", "value");
source.put("faf", "value");
EnumerablePropertySource<?> propertySource = new OriginCapablePropertySource<>(
new MapPropertySource("test", source));
SpringIterableConfigurationPropertySource adapter = new SpringIterableConfigurationPropertySource(
propertySource, DefaultPropertyMapper.INSTANCE);
assertThat(adapter.containsDescendantOf(ConfigurationPropertyName.of("foo")))
.isEqualTo(ConfigurationPropertyState.PRESENT);
assertThat(adapter.containsDescendantOf(ConfigurationPropertyName.of("faf")))
.isEqualTo(ConfigurationPropertyState.ABSENT);
assertThat(adapter.containsDescendantOf(ConfigurationPropertyName.of("fof")))
.isEqualTo(ConfigurationPropertyState.ABSENT);
}
/**
* Test {@link PropertySource} that's also a {@link OriginLookup}.
*/
private static class OriginCapablePropertySource<T>
extends EnumerablePropertySource<T> implements OriginLookup<String> {
private final EnumerablePropertySource<T> propertySource;
OriginCapablePropertySource(EnumerablePropertySource<T> propertySource) {
super(propertySource.getName(), propertySource.getSource());
this.propertySource = propertySource;
}
@Override
public Object getProperty(String name) {
return this.propertySource.getProperty(name);
}
@Override
public String[] getPropertyNames() {
return this.propertySource.getPropertyNames();
}
@Override
public Origin getOrigin(String name) {
return new Origin() {
@Override
public String toString() {
return "TestOrigin " + name;
}
};
}
}
}