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Check for duplicate keys in YAML map nodes

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Snake YAML allows for duplicate keys in map nodes. See
https://code.google.com/p/snakeyaml/issues/detail?id=199

This commit uses a dedicated Constructor extension that explicitly
checks for such duplicate keys.

Issue: SPR-12318
This commit is contained in:
Stephane Nicoll
2014-10-14 15:58:35 +02:00
parent 3056301015
commit 859e1e8003
4 changed files with 100 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
spring-beans/src/test/java/org/springframework/beans/factory/config/YamlMapFactoryBeanTests.java
View File

@@ -24,11 +24,11 @@ import java.util.LinkedHashMap;
import java.util.Map;
import org.junit.Test;
import org.yaml.snakeyaml.parser.ParserException;
import org.springframework.core.io.AbstractResource;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.Resource;
/**
* Tests for {@link YamlMapFactoryBean}.
@@ -76,7 +76,7 @@ public class YamlMapFactoryBeanTests {
@Test
public void testFirstFound() throws Exception {
this.factory.setResolutionMethod(YamlProcessor.ResolutionMethod.FIRST_FOUND);
this.factory.setResources(new Resource[] {new AbstractResource() {
this.factory.setResources(new AbstractResource() {
@Override
public String getDescription() {
return "non-existent";
@@ -86,7 +86,7 @@ public class YamlMapFactoryBeanTests {
public InputStream getInputStream() throws IOException {
throw new IOException("planned");
}
}, new ByteArrayResource("foo:\n spam: bar".getBytes())});
}, new ByteArrayResource("foo:\n spam: bar".getBytes()));
assertEquals(1, this.factory.getObject().size());
}
@@ -105,4 +105,11 @@ public class YamlMapFactoryBeanTests {
assertEquals("value", sub.get("key1.key2"));
}
@Test(expected = ParserException.class)
public void testDuplicateKey() throws Exception {
this.factory.setResources(new ByteArrayResource[] {new ByteArrayResource(
"mymap:\n foo: bar\nmymap:\n bar: foo".getBytes())});
this.factory.getObject().get("mymap");
}
}

29
spring-beans/src/test/java/org/springframework/beans/factory/config/YamlProcessorTests.java
View File

@@ -28,7 +28,6 @@ import org.yaml.snakeyaml.parser.ParserException;
import org.yaml.snakeyaml.scanner.ScannerException;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.Resource;
/**
* Tests for {@link YamlProcessor}.
@@ -45,8 +44,8 @@ public class YamlProcessorTests {
@Test
public void arrayConvertedToIndexedBeanReference() {
this.processor.setResources(new Resource[] {new ByteArrayResource(
"foo: bar\nbar: [1,2,3]".getBytes())});
this.processor.setResources(new ByteArrayResource(
"foo: bar\nbar: [1,2,3]".getBytes()));
this.processor.process(new MatchCallback() {
@Override
public void process(Properties properties, Map<String, Object> map) {
@@ -60,8 +59,8 @@ public class YamlProcessorTests {
@Test
public void testStringResource() throws Exception {
this.processor.setResources(new Resource[] {new ByteArrayResource(
"foo # a document that is a literal".getBytes())});
this.processor.setResources(new ByteArrayResource(
"foo # a document that is a literal".getBytes()));
this.processor.process(new MatchCallback() {
@Override
public void process(Properties properties, Map<String, Object> map) {
@@ -72,8 +71,8 @@ public class YamlProcessorTests {
@Test
public void testBadDocumentStart() throws Exception {
this.processor.setResources(new Resource[] {new ByteArrayResource(
"foo # a document\nbar: baz".getBytes())});
this.processor.setResources(new ByteArrayResource(
"foo # a document\nbar: baz".getBytes()));
this.exception.expect(ParserException.class);
this.exception.expectMessage("line 2, column 1");
this.processor.process(new MatchCallback() {
@@ -85,8 +84,8 @@ public class YamlProcessorTests {
@Test
public void testBadResource() throws Exception {
this.processor.setResources(new Resource[] {new ByteArrayResource(
"foo: bar\ncd\nspam:\n foo: baz".getBytes())});
this.processor.setResources(new ByteArrayResource(
"foo: bar\ncd\nspam:\n foo: baz".getBytes()));
this.exception.expect(ScannerException.class);
this.exception.expectMessage("line 3, column 1");
this.processor.process(new MatchCallback() {
@@ -98,8 +97,8 @@ public class YamlProcessorTests {
@Test
public void mapConvertedToIndexedBeanReference() {
this.processor.setResources(new Resource[] {new ByteArrayResource(
"foo: bar\nbar:\n spam: bucket".getBytes())});
this.processor.setResources(new ByteArrayResource(
"foo: bar\nbar:\n spam: bucket".getBytes()));
this.processor.process(new MatchCallback() {
@Override
public void process(Properties properties, Map<String, Object> map) {
@@ -112,8 +111,8 @@ public class YamlProcessorTests {
@Test
public void integerKeyBehaves() {
this.processor.setResources(new Resource[] {new ByteArrayResource(
"foo: bar\n1: bar".getBytes())});
this.processor.setResources(new ByteArrayResource(
"foo: bar\n1: bar".getBytes()));
this.processor.process(new MatchCallback() {
@Override
public void process(Properties properties, Map<String, Object> map) {
@@ -125,8 +124,8 @@ public class YamlProcessorTests {
@Test
public void integerDeepKeyBehaves() {
this.processor.setResources(new Resource[] {new ByteArrayResource(
"foo:\n 1: bar".getBytes())});
this.processor.setResources(new ByteArrayResource(
"foo:\n 1: bar".getBytes()));
this.processor.process(new MatchCallback() {
@Override

61
spring-beans/src/test/java/org/springframework/beans/factory/config/YamlPropertiesFactoryBeanTests.java
View File

@@ -28,11 +28,11 @@ import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.parser.ParserException;
import org.yaml.snakeyaml.scanner.ScannerException;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
/**
* Tests for {@link YamlPropertiesFactoryBean}.
@@ -47,8 +47,8 @@ public class YamlPropertiesFactoryBeanTests {
@Test
public void testLoadResource() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new Resource[] {new ByteArrayResource(
"foo: bar\nspam:\n foo: baz".getBytes())});
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"));
@@ -57,8 +57,8 @@ public class YamlPropertiesFactoryBeanTests {
@Test
public void testBadResource() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new Resource[] {new ByteArrayResource(
"foo: bar\ncd\nspam:\n foo: baz".getBytes())});
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();
@@ -67,9 +67,9 @@ public class YamlPropertiesFactoryBeanTests {
@Test
public void testLoadResourcesWithOverride() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new Resource[] {
factory.setResources(
new ByteArrayResource("foo: bar\nspam:\n foo: baz".getBytes()),
new ByteArrayResource("foo:\n bar: spam".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"));
@@ -77,21 +77,20 @@ public class YamlPropertiesFactoryBeanTests {
}
@Test
@Ignore("We can't fail on duplicate keys because the Map is created by the YAML library")
public void testLoadResourcesWithInternalOverride() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new Resource[] {new ByteArrayResource(
"foo: bar\nspam:\n foo: baz\nfoo: bucket".getBytes())});
Properties properties = factory.getObject();
assertThat(properties.getProperty("foo"), equalTo("bar"));
factory.setResources(new ByteArrayResource(
"foo: bar\nspam:\n foo: baz\nfoo: bucket".getBytes()));
exception.expect(ParserException.class);
factory.getObject();
}
@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 Resource[] {new ByteArrayResource(
"foo:\n bar: spam\n foo: baz\nbreak: it\nfoo: bucket".getBytes())});
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"));
}
@@ -99,8 +98,8 @@ public class YamlPropertiesFactoryBeanTests {
@Test
public void testLoadResourceWithMultipleDocuments() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new Resource[] {new ByteArrayResource(
"foo: bar\nspam: baz\n---\nfoo: bag".getBytes())});
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"));
@@ -109,8 +108,8 @@ public class YamlPropertiesFactoryBeanTests {
@Test
public void testLoadResourceWithSelectedDocuments() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new Resource[] {new ByteArrayResource(
"foo: bar\nspam: baz\n---\nfoo: bag\nspam: bad".getBytes())});
factory.setResources(new ByteArrayResource(
"foo: bar\nspam: baz\n---\nfoo: bag\nspam: bad".getBytes()));
factory.setDocumentMatchers(new DocumentMatcher() {
@Override
public MatchStatus matches(Properties properties) {
@@ -127,8 +126,8 @@ public class YamlPropertiesFactoryBeanTests {
public void testLoadResourceWithDefaultMatch() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setMatchDefault(true);
factory.setResources(new Resource[] {new ByteArrayResource(
"one: two\n---\nfoo: bar\nspam: baz\n---\nfoo: bag\nspam: bad".getBytes())});
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) {
@@ -149,8 +148,8 @@ public class YamlPropertiesFactoryBeanTests {
public void testLoadResourceWithoutDefaultMatch() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setMatchDefault(false);
factory.setResources(new Resource[] {new ByteArrayResource(
"one: two\n---\nfoo: bar\nspam: baz\n---\nfoo: bag\nspam: bad".getBytes())});
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) {
@@ -171,8 +170,8 @@ public class YamlPropertiesFactoryBeanTests {
public void testLoadResourceWithDefaultMatchSkippingMissedMatch() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setMatchDefault(true);
factory.setResources(new Resource[] {new ByteArrayResource(
"one: two\n---\nfoo: bag\nspam: bad\n---\nfoo: bar\nspam: baz".getBytes())});
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) {
@@ -193,7 +192,7 @@ public class YamlPropertiesFactoryBeanTests {
public void testLoadNonExistentResource() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResolutionMethod(ResolutionMethod.OVERRIDE_AND_IGNORE);
factory.setResources(new Resource[] {new ClassPathResource("no-such-file.yml")});
factory.setResources(new ClassPathResource("no-such-file.yml"));
Properties properties = factory.getObject();
assertThat(properties.size(), equalTo(0));
}
@@ -201,8 +200,8 @@ public class YamlPropertiesFactoryBeanTests {
@Test
public void testLoadNull() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new Resource[] {new ByteArrayResource("foo: bar\nspam:"
.getBytes())});
factory.setResources(new ByteArrayResource("foo: bar\nspam:"
.getBytes()));
Properties properties = factory.getObject();
assertThat(properties.getProperty("foo"), equalTo("bar"));
assertThat(properties.getProperty("spam"), equalTo(""));
@@ -211,8 +210,8 @@ public class YamlPropertiesFactoryBeanTests {
@Test
public void testLoadArrayOfString() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new Resource[] {new ByteArrayResource("foo:\n- bar\n- baz"
.getBytes())});
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"));
@@ -221,10 +220,10 @@ public class YamlPropertiesFactoryBeanTests {
@Test
public void testLoadArrayOfObject() throws Exception {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
factory.setResources(new Resource[] {new ByteArrayResource(
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"));