/*
* 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.bind.handler;
import java.util.ArrayList;
import java.util.List;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.springframework.boot.context.properties.bind.BindException;
import org.springframework.boot.context.properties.bind.Bindable;
import org.springframework.boot.context.properties.bind.Binder;
import org.springframework.boot.context.properties.source.ConfigurationPropertyName;
import org.springframework.boot.context.properties.source.ConfigurationPropertySource;
import org.springframework.boot.context.properties.source.MockConfigurationPropertySource;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.fail;
/**
* Tests for {@link NoUnboundElementsBindHandler}.
*
* @author Phillip Webb
* @author Madhura Bhave
*/
public class NoUnboundElementsBindHandlerTests {
@Rule
public ExpectedException thrown = ExpectedException.none();
private List<ConfigurationPropertySource> sources = new ArrayList<>();
private Binder binder;
@Test
public void bindWhenNotUsingNoUnboundElementsHandlerShouldBind() throws Exception {
MockConfigurationPropertySource source = new MockConfigurationPropertySource();
source.put("example.foo", "bar");
source.put("example.baz", "bar");
this.sources.add(source);
this.binder = new Binder(this.sources);
Example bound = this.binder
.bind(ConfigurationPropertyName.of("example"), Bindable.of(Example.class))
.get();
assertThat(bound.getFoo()).isEqualTo("bar");
}
@Test
public void bindWhenUsingNoUnboundElementsHandlerShouldBind() throws Exception {
MockConfigurationPropertySource source = new MockConfigurationPropertySource();
source.put("example.foo", "bar");
this.sources.add(source);
this.binder = new Binder(this.sources);
Example bound = this.binder.bind("example", Bindable.of(Example.class),
new NoUnboundElementsBindHandler()).get();
assertThat(bound.getFoo()).isEqualTo("bar");
}
@Test
public void bindWhenUsingNoUnboundElementsHandlerThrowException() throws Exception {
MockConfigurationPropertySource source = new MockConfigurationPropertySource();
source.put("example.foo", "bar");
source.put("example.baz", "bar");
this.sources.add(source);
this.binder = new Binder(this.sources);
try {
this.binder.bind("example", Bindable.of(Example.class),
new NoUnboundElementsBindHandler());
fail("did not throw");
}
catch (BindException ex) {
assertThat(ex.getCause().getMessage())
.contains("The elements [example.baz] were left unbound");
}
}
@Test
public void bindWhenUsingNoUnboundElementsHandlerShouldBindIfPrefixDifferent()
throws Exception {
MockConfigurationPropertySource source = new MockConfigurationPropertySource();
source.put("example.foo", "bar");
source.put("other.baz", "bar");
this.sources.add(source);
this.binder = new Binder(this.sources);
Example bound = this.binder.bind("example", Bindable.of(Example.class),
new NoUnboundElementsBindHandler()).get();
assertThat(bound.getFoo()).isEqualTo("bar");
}
public static class Example {
private String foo;
public String getFoo() {
return this.foo;
}
public void setFoo(String foo) {
this.foo = foo;
}
}
}