/*
* 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.env;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
import org.springframework.core.env.EnumerablePropertySource;
import org.springframework.core.env.PropertySource;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Tests for {@link YamlPropertySourceLoader}.
*
* @author Dave Syer
* @author Phillip Webb
* @author Andy Wilkinson
*/
public class YamlPropertySourceLoaderTests {
private YamlPropertySourceLoader loader = new YamlPropertySourceLoader();
@Test
public void load() throws Exception {
ByteArrayResource resource = new ByteArrayResource(
"foo:\n bar: spam".getBytes());
PropertySource<?> source = this.loader.load("resource", resource, null);
assertThat(source).isNotNull();
assertThat(source.getProperty("foo.bar")).isEqualTo("spam");
}
@Test
public void orderedItems() throws Exception {
StringBuilder yaml = new StringBuilder();
List<String> expected = new ArrayList<>();
for (char c = 'a'; c <= 'z'; c++) {
yaml.append(c + ": value" + c + "\n");
expected.add(String.valueOf(c));
}
ByteArrayResource resource = new ByteArrayResource(yaml.toString().getBytes());
EnumerablePropertySource<?> source = (EnumerablePropertySource<?>) this.loader
.load("resource", resource, null);
assertThat(source).isNotNull();
assertThat(source.getPropertyNames())
.isEqualTo(expected.toArray(new String[] {}));
}
@Test
public void mergeItems() throws Exception {
StringBuilder yaml = new StringBuilder();
yaml.append("foo:\n bar: spam\n");
yaml.append("---\n");
yaml.append("foo:\n baz: wham\n");
ByteArrayResource resource = new ByteArrayResource(yaml.toString().getBytes());
PropertySource<?> source = this.loader.load("resource", resource, null);
assertThat(source).isNotNull();
assertThat(source.getProperty("foo.bar")).isEqualTo("spam");
assertThat(source.getProperty("foo.baz")).isEqualTo("wham");
}
@Test
public void timestampLikeItemsDoNotBecomeDates() throws Exception {
ByteArrayResource resource = new ByteArrayResource("foo: 2015-01-28".getBytes());
PropertySource<?> source = this.loader.load("resource", resource, null);
assertThat(source).isNotNull();
assertThat(source.getProperty("foo")).isEqualTo("2015-01-28");
}
@Test
public void loadOriginAware() throws Exception {
Resource resource = new ClassPathResource("test-yaml.yml", getClass());
PropertySource<?> source = this.loader.load("resource", resource, null);
EnumerablePropertySource<?> enumerableSource = (EnumerablePropertySource<?>) source;
for (String name : enumerableSource.getPropertyNames()) {
System.out.println(name + " = " + enumerableSource.getProperty(name));
}
}
}