/*
* Copyright 2002-2017 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.beans.factory.config;
import java.util.Map;
import java.util.Properties;
import org.junit.Ignore;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.scanner.ScannerException;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.ClassPathResource;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
import static org.springframework.beans.factory.config.YamlProcessor.*;
/**
* Tests for {@link YamlPropertiesFactoryBean}.
*
* @author Dave Syer
* @author Juergen Hoeller
*/
public class YamlPropertiesFactoryBeanTests {
@Rule
public ExpectedException exception = ExpectedException.none();
@Test
public void testLoadResource() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new ByteArrayResource(
"foo: bar\nspam:\n foo: baz".getBytes()));
Properties properties = factory.getObject();
assertThat(properties.getProperty("foo"), equalTo("bar"));
assertThat(properties.getProperty("spam.foo"), equalTo("baz"));
}
@Test
public void testBadResource() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new ByteArrayResource(
"foo: bar\ncd\nspam:\n foo: baz".getBytes()));
this.exception.expect(ScannerException.class);
this.exception.expectMessage("line 3, column 1");
factory.getObject();
}
@Test
public void testLoadResourcesWithOverride() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(
new ByteArrayResource("foo: bar\nspam:\n foo: baz".getBytes()),
new ByteArrayResource("foo:\n bar: spam".getBytes()));
Properties properties = factory.getObject();
assertThat(properties.getProperty("foo"), equalTo("bar"));
assertThat(properties.getProperty("spam.foo"), equalTo("baz"));
assertThat(properties.getProperty("foo.bar"), equalTo("spam"));
}
@Test
public void testLoadResourcesWithInternalOverride() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new ByteArrayResource(
"foo: bar\nspam:\n foo: baz\nfoo: bucket".getBytes()));
Properties properties = factory.getObject();
assertThat(properties.getProperty("foo"), equalTo("bucket"));
}
@Test
@Ignore("We can't fail on duplicate keys because the Map is created by the YAML library")
public void testLoadResourcesWithNestedInternalOverride() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new ByteArrayResource(
"foo:\n bar: spam\n foo: baz\nbreak: it\nfoo: bucket".getBytes()));
Properties properties = factory.getObject();
assertThat(properties.getProperty("foo.bar"), equalTo("spam"));
}
@Test
public void testLoadResourceWithMultipleDocuments() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new ByteArrayResource(
"foo: bar\nspam: baz\n---\nfoo: bag".getBytes()));
Properties properties = factory.getObject();
assertThat(properties.getProperty("foo"), equalTo("bag"));
assertThat(properties.getProperty("spam"), equalTo("baz"));
}
@Test
public void testLoadResourceWithSelectedDocuments() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new ByteArrayResource(
"foo: bar\nspam: baz\n---\nfoo: bag\nspam: bad".getBytes()));
factory.setDocumentMatchers(new DocumentMatcher() {
@Override
public MatchStatus matches(Properties properties) {
return ("bag".equals(properties.getProperty("foo")) ?
MatchStatus.FOUND : MatchStatus.NOT_FOUND);
}
});
Properties properties = factory.getObject();
assertThat(properties.getProperty("foo"), equalTo("bag"));
assertThat(properties.getProperty("spam"), equalTo("bad"));
}
@Test
public void testLoadResourceWithDefaultMatch() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setMatchDefault(true);
factory.setResources(new ByteArrayResource(
"one: two\n---\nfoo: bar\nspam: baz\n---\nfoo: bag\nspam: bad".getBytes()));
factory.setDocumentMatchers(new DocumentMatcher() {
@Override
public MatchStatus matches(Properties properties) {
if (!properties.containsKey("foo")) {
return MatchStatus.ABSTAIN;
}
return ("bag".equals(properties.getProperty("foo")) ?
MatchStatus.FOUND : MatchStatus.NOT_FOUND);
}
});
Properties properties = factory.getObject();
assertThat(properties.getProperty("foo"), equalTo("bag"));
assertThat(properties.getProperty("spam"), equalTo("bad"));
assertThat(properties.getProperty("one"), equalTo("two"));
}
@Test
public void testLoadResourceWithoutDefaultMatch() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setMatchDefault(false);
factory.setResources(new ByteArrayResource(
"one: two\n---\nfoo: bar\nspam: baz\n---\nfoo: bag\nspam: bad".getBytes()));
factory.setDocumentMatchers(new DocumentMatcher() {
@Override
public MatchStatus matches(Properties properties) {
if (!properties.containsKey("foo")) {
return MatchStatus.ABSTAIN;
}
return ("bag".equals(properties.getProperty("foo")) ?
MatchStatus.FOUND : MatchStatus.NOT_FOUND);
}
});
Properties properties = factory.getObject();
assertThat(properties.getProperty("foo"), equalTo("bag"));
assertThat(properties.getProperty("spam"), equalTo("bad"));
assertThat(properties.getProperty("one"), nullValue());
}
@Test
public void testLoadResourceWithDefaultMatchSkippingMissedMatch() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setMatchDefault(true);
factory.setResources(new ByteArrayResource(
"one: two\n---\nfoo: bag\nspam: bad\n---\nfoo: bar\nspam: baz".getBytes()));
factory.setDocumentMatchers(new DocumentMatcher() {
@Override
public MatchStatus matches(Properties properties) {
if (!properties.containsKey("foo")) {
return MatchStatus.ABSTAIN;
}
return ("bag".equals(properties.getProperty("foo")) ?
MatchStatus.FOUND : MatchStatus.NOT_FOUND);
}
});
Properties properties = factory.getObject();
assertThat(properties.getProperty("foo"), equalTo("bag"));
assertThat(properties.getProperty("spam"), equalTo("bad"));
assertThat(properties.getProperty("one"), equalTo("two"));
}
@Test
public void testLoadNonExistentResource() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResolutionMethod(ResolutionMethod.OVERRIDE_AND_IGNORE);
factory.setResources(new ClassPathResource("no-such-file.yml"));
Properties properties = factory.getObject();
assertThat(properties.size(), equalTo(0));
}
@Test
public void testLoadNull() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new ByteArrayResource("foo: bar\nspam:".getBytes()));
Properties properties = factory.getObject();
assertThat(properties.getProperty("foo"), equalTo("bar"));
assertThat(properties.getProperty("spam"), equalTo(""));
}
@Test
public void testLoadArrayOfString() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new ByteArrayResource("foo:\n- bar\n- baz".getBytes()));
Properties properties = factory.getObject();
assertThat(properties.getProperty("foo[0]"), equalTo("bar"));
assertThat(properties.getProperty("foo[1]"), equalTo("baz"));
assertThat(properties.get("foo"), is(nullValue()));
}
@Test
public void testLoadArrayOfInteger() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new ByteArrayResource("foo:\n- 1\n- 2".getBytes()));
Properties properties = factory.getObject();
assertThat(properties.getProperty("foo[0]"), equalTo("1"));
assertThat(properties.getProperty("foo[1]"), equalTo("2"));
assertThat(properties.get("foo"), is(nullValue()));
}
@Test
public void testLoadArrayOfObject() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new ByteArrayResource(
"foo:\n- bar:\n spam: crap\n- baz\n- one: two\n three: four".getBytes()
));
Properties properties = factory.getObject();
assertThat(properties.getProperty("foo[0].bar.spam"), equalTo("crap"));
assertThat(properties.getProperty("foo[1]"), equalTo("baz"));
assertThat(properties.getProperty("foo[2].one"), equalTo("two"));
assertThat(properties.getProperty("foo[2].three"), equalTo("four"));
assertThat(properties.get("foo"), is(nullValue()));
}
@SuppressWarnings("unchecked")
@Test
public void testYaml() {
Yaml yaml = new Yaml();
Map<String, ?> map = yaml.loadAs("foo: bar\nspam:\n foo: baz", Map.class);
assertThat(map.get("foo"), equalTo((Object) "bar"));
assertThat(((Map<String, Object>) map.get("spam")).get("foo"), equalTo((Object) "baz"));
}
}