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Introduce PropertyResolver#getPropertyAsClass

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This commit is contained in:
Chris Beams
2011-05-06 18:59:05 +00:00
parent 275d43dfde
commit 4b5208faad
4 changed files with 143 additions and 2 deletions
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68
org.springframework.core/src/test/java/org/springframework/core/env/PropertySourcesPropertyResolverTests.java vendored
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@@ -20,6 +20,7 @@ import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.HashMap;
@@ -28,6 +29,7 @@ import java.util.Properties;
import org.junit.Before;
import org.junit.Test;
import org.springframework.core.convert.ConversionException;
import org.springframework.mock.env.MockPropertySource;
/**
@@ -238,4 +240,70 @@ public class PropertySourcesPropertyResolverTests {
new PropertySourcesPropertyResolver(new MutablePropertySources()).resolveRequiredPlaceholders(null);
}
@Test
public void getPropertyAsClass() throws ClassNotFoundException, LinkageError {
MutablePropertySources propertySources = new MutablePropertySources();
propertySources.addFirst(new MockPropertySource().withProperty("some.class", SpecificType.class.getName()));
PropertyResolver resolver = new PropertySourcesPropertyResolver(propertySources);
assertTrue(resolver.getPropertyAsClass("some.class", SomeType.class).equals(SpecificType.class));
}
@Test
public void getPropertyAsClass_withInterfaceAsTarget() throws ClassNotFoundException, LinkageError {
MutablePropertySources propertySources = new MutablePropertySources();
propertySources.addFirst(new MockPropertySource().withProperty("some.class", SomeType.class.getName()));
PropertyResolver resolver = new PropertySourcesPropertyResolver(propertySources);
assertTrue(resolver.getPropertyAsClass("some.class", SomeType.class).equals(SomeType.class));
}
@Test(expected=ConversionException.class)
public void getPropertyAsClass_withMismatchedTypeForValue() {
MutablePropertySources propertySources = new MutablePropertySources();
propertySources.addFirst(new MockPropertySource().withProperty("some.class", "java.lang.String"));
PropertyResolver resolver = new PropertySourcesPropertyResolver(propertySources);
resolver.getPropertyAsClass("some.class", SomeType.class);
}
@Test(expected=ConversionException.class)
public void getPropertyAsClass_withNonExistentClassForValue() {
MutablePropertySources propertySources = new MutablePropertySources();
propertySources.addFirst(new MockPropertySource().withProperty("some.class", "some.bogus.Class"));
PropertyResolver resolver = new PropertySourcesPropertyResolver(propertySources);
resolver.getPropertyAsClass("some.class", SomeType.class);
}
@Test
public void getPropertyAsClass_withObjectForValue() {
MutablePropertySources propertySources = new MutablePropertySources();
propertySources.addFirst(new MockPropertySource().withProperty("some.class", new SpecificType()));
PropertyResolver resolver = new PropertySourcesPropertyResolver(propertySources);
assertTrue(resolver.getPropertyAsClass("some.class", SomeType.class).equals(SpecificType.class));
}
@Test(expected=ConversionException.class)
public void getPropertyAsClass_withMismatchedObjectForValue() {
MutablePropertySources propertySources = new MutablePropertySources();
propertySources.addFirst(new MockPropertySource().withProperty("some.class", new Integer(42)));
PropertyResolver resolver = new PropertySourcesPropertyResolver(propertySources);
resolver.getPropertyAsClass("some.class", SomeType.class);
}
@Test
public void getPropertyAsClass_withRealClassForValue() {
MutablePropertySources propertySources = new MutablePropertySources();
propertySources.addFirst(new MockPropertySource().withProperty("some.class", SpecificType.class));
PropertyResolver resolver = new PropertySourcesPropertyResolver(propertySources);
assertTrue(resolver.getPropertyAsClass("some.class", SomeType.class).equals(SpecificType.class));
}
@Test(expected=ConversionException.class)
public void getPropertyAsClass_withMismatchedRealClassForValue() {
MutablePropertySources propertySources = new MutablePropertySources();
propertySources.addFirst(new MockPropertySource().withProperty("some.class", Integer.class));
PropertyResolver resolver = new PropertySourcesPropertyResolver(propertySources);
resolver.getPropertyAsClass("some.class", SomeType.class);
}
static interface SomeType { }
static class SpecificType implements SomeType { }
}