/*
* Copyright 2012-2013 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.bind;
import java.util.Collection;
import java.util.Collections;
import org.junit.Before;
import org.junit.Test;
import org.springframework.core.env.CompositePropertySource;
import org.springframework.core.env.MapPropertySource;
import org.springframework.core.env.MutablePropertySources;
import org.springframework.core.env.PropertySource;
import org.springframework.validation.DataBinder;
import static org.junit.Assert.assertEquals;
/**
* Tests for {@link PropertySourcesPropertyValues}.
*
* @author Dave Syer
*/
public class PropertySourcesPropertyValuesTests {
private final MutablePropertySources propertySources = new MutablePropertySources();
@Before
public void init() {
this.propertySources.addFirst(new PropertySource<String>("static", "foo") {
@Override
public Object getProperty(String name) {
if (name.equals(getSource())) {
return "bar";
}
return null;
}
});
this.propertySources.addFirst(new MapPropertySource("map", Collections
.<String, Object> singletonMap("name", "${foo}")));
}
@Test
public void testSize() {
PropertySourcesPropertyValues propertyValues = new PropertySourcesPropertyValues(
this.propertySources);
assertEquals(1, propertyValues.getPropertyValues().length);
}
@Test
public void testNonEnumeratedValue() {
PropertySourcesPropertyValues propertyValues = new PropertySourcesPropertyValues(
this.propertySources);
assertEquals("bar", propertyValues.getPropertyValue("foo").getValue());
}
@Test
public void testCompositeValue() {
PropertySource<?> map = this.propertySources.get("map");
CompositePropertySource composite = new CompositePropertySource("composite");
composite.addPropertySource(map);
this.propertySources.replace("map", composite);
PropertySourcesPropertyValues propertyValues = new PropertySourcesPropertyValues(
this.propertySources);
assertEquals("bar", propertyValues.getPropertyValue("foo").getValue());
}
@Test
public void testEnumeratedValue() {
PropertySourcesPropertyValues propertyValues = new PropertySourcesPropertyValues(
this.propertySources);
assertEquals("bar", propertyValues.getPropertyValue("name").getValue());
}
@Test
public void testNonEnumeratedPlaceholder() {
this.propertySources.addFirst(new PropertySource<String>("another", "baz") {
@Override
public Object getProperty(String name) {
if (name.equals(getSource())) {
return "${foo}";
}
return null;
}
});
PropertySourcesPropertyValues propertyValues = new PropertySourcesPropertyValues(
this.propertySources, (Collection<String>) null,
Collections.singleton("baz"));
assertEquals("bar", propertyValues.getPropertyValue("baz").getValue());
}
@Test
public void testOverriddenValue() {
this.propertySources.addFirst(new MapPropertySource("new", Collections
.<String, Object> singletonMap("name", "spam")));
PropertySourcesPropertyValues propertyValues = new PropertySourcesPropertyValues(
this.propertySources);
assertEquals("spam", propertyValues.getPropertyValue("name").getValue());
}
@Test
public void testPlaceholdersBinding() {
TestBean target = new TestBean();
DataBinder binder = new DataBinder(target);
binder.bind(new PropertySourcesPropertyValues(this.propertySources));
assertEquals("bar", target.getName());
}
@Test
public void testPlaceholdersBindingNonEnumerable() {
FooBean target = new FooBean();
DataBinder binder = new DataBinder(target);
binder.bind(new PropertySourcesPropertyValues(this.propertySources,
(Collection<String>) null, Collections.singleton("foo")));
assertEquals("bar", target.getFoo());
}
@Test
public void testPlaceholdersBindingWithError() {
TestBean target = new TestBean();
DataBinder binder = new DataBinder(target);
this.propertySources.addFirst(new MapPropertySource("another", Collections
.<String, Object> singletonMap("something", "${nonexistent}")));
binder.bind(new PropertySourcesPropertyValues(this.propertySources));
assertEquals("bar", target.getName());
}
@Test
public void testPlaceholdersErrorInNonEnumerable() {
TestBean target = new TestBean();
DataBinder binder = new DataBinder(target);
this.propertySources.addFirst(new PropertySource<Object>("application", "STUFF") {
@Override
public Object getProperty(String name) {
return new Object();
}
});
binder.bind(new PropertySourcesPropertyValues(this.propertySources,
(Collection<String>) null, Collections.singleton("name")));
assertEquals(null, target.getName());
}
public static class TestBean {
private String name;
public String getName() {
return this.name;
}
public void setName(String name) {
this.name = name;
}
}
public static class FooBean {
private String foo;
public String getFoo() {
return this.foo;
}
public void setFoo(String foo) {
this.foo = foo;
}
}
}