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ConfigurationPropertySourcesPropertyResolverTests.java
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ConfigurationPropertySourcesPropertyResolverTests.java
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/*
* Copyright 2012-2021 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
*
* https://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.HashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
import org.junit.jupiter.api.Test;
import org.springframework.core.env.ConfigurablePropertyResolver;
import org.springframework.core.env.MutablePropertySources;
import org.springframework.core.env.StandardEnvironment;
import org.springframework.mock.env.MockPropertySource;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Tests for {@link ConfigurationPropertySourcesPropertyResolver}.
*
* @author Phillip Webb
*/
class ConfigurationPropertySourcesPropertyResolverTests {
@Test
void standardPropertyResolverResolvesMultipleTimes() {
StandardEnvironment environment = new StandardEnvironment();
CountingMockPropertySource propertySource = createMockPropertySource(environment, true);
environment.getProperty("missing");
assertThat(propertySource.getCount("missing")).isEqualTo(2);
}
@Test
void configurationPropertySourcesPropertyResolverResolvesSingleTime() {
ResolverEnvironment environment = new ResolverEnvironment();
CountingMockPropertySource propertySource = createMockPropertySource(environment, true);
environment.getProperty("missing");
assertThat(propertySource.getCount("missing")).isEqualTo(1);
}
@Test
void containsPropertyWhenValidConfigurationPropertyName() {
ResolverEnvironment environment = new ResolverEnvironment();
CountingMockPropertySource propertySource = createMockPropertySource(environment, true);
assertThat(environment.containsProperty("spring")).isTrue();
assertThat(environment.containsProperty("sprong")).isFalse();
assertThat(propertySource.getCount("spring")).isEqualTo(1);
assertThat(propertySource.getCount("sprong")).isEqualTo(1);
}
@Test
void containsPropertyWhenNotValidConfigurationPropertyName() {
ResolverEnvironment environment = new ResolverEnvironment();
CountingMockPropertySource propertySource = createMockPropertySource(environment, true);
assertThat(environment.containsProperty("spr!ng")).isTrue();
assertThat(environment.containsProperty("spr*ng")).isFalse();
assertThat(propertySource.getCount("spr!ng")).isEqualTo(1);
assertThat(propertySource.getCount("spr*ng")).isEqualTo(1);
}
@Test
void getPropertyWhenValidConfigurationPropertyName() {
ResolverEnvironment environment = new ResolverEnvironment();
CountingMockPropertySource propertySource = createMockPropertySource(environment, true);
assertThat(environment.getProperty("spring")).isEqualTo("boot");
assertThat(environment.getProperty("sprong")).isNull();
assertThat(propertySource.getCount("spring")).isEqualTo(1);
assertThat(propertySource.getCount("sprong")).isEqualTo(1);
}
@Test
void getPropertyWhenNotValidConfigurationPropertyName() {
ResolverEnvironment environment = new ResolverEnvironment();
CountingMockPropertySource propertySource = createMockPropertySource(environment, true);
assertThat(environment.getProperty("spr!ng")).isEqualTo("boot");
assertThat(environment.getProperty("spr*ng")).isNull();
assertThat(propertySource.getCount("spr!ng")).isEqualTo(1);
assertThat(propertySource.getCount("spr*ng")).isEqualTo(1);
}
@Test
void getPropertyWhenNotAttached() {
ResolverEnvironment environment = new ResolverEnvironment();
CountingMockPropertySource propertySource = createMockPropertySource(environment, false);
assertThat(environment.getProperty("spring")).isEqualTo("boot");
assertThat(environment.getProperty("sprong")).isNull();
assertThat(propertySource.getCount("spring")).isEqualTo(1);
assertThat(propertySource.getCount("sprong")).isEqualTo(1);
}
@Test // gh-26732
void getPropertyAsTypeWhenHasPlaceholder() {
ResolverEnvironment environment = new ResolverEnvironment();
MockPropertySource propertySource = new MockPropertySource();
propertySource.withProperty("v1", "1");
propertySource.withProperty("v2", "${v1}");
environment.getPropertySources().addFirst(propertySource);
assertThat(environment.getProperty("v2")).isEqualTo("1");
assertThat(environment.getProperty("v2", Integer.class)).isEqualTo(1);
}
private CountingMockPropertySource createMockPropertySource(StandardEnvironment environment, boolean attach) {
CountingMockPropertySource propertySource = new CountingMockPropertySource();
propertySource.withProperty("spring", "boot");
propertySource.withProperty("spr!ng", "boot");
environment.getPropertySources().addFirst(propertySource);
if (attach) {
ConfigurationPropertySources.attach(environment);
}
return propertySource;
}
static class ResolverEnvironment extends StandardEnvironment {
@Override
protected ConfigurablePropertyResolver createPropertyResolver(MutablePropertySources propertySources) {
return new ConfigurationPropertySourcesPropertyResolver(propertySources);
}
}
static class CountingMockPropertySource extends MockPropertySource {
private final Map<String, AtomicInteger> counts = new HashMap<>();
@Override
public Object getProperty(String name) {
incrementCount(name);
return super.getProperty(name);
}
@Override
public boolean containsProperty(String name) {
incrementCount(name);
return super.containsProperty(name);
}
private void incrementCount(String name) {
this.counts.computeIfAbsent(name, (k) -> new AtomicInteger()).incrementAndGet();
}
int getCount(String name) {
AtomicInteger count = this.counts.get(name);
return (count != null) ? count.get() : 0;
}
}
}