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[SPR-8386][SPR-8387] Redesign of DelegatingSmartContextLoader and the SmartContextLoader SPI:

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- Removed generatesDefaults() and supports() from the SmartContextLoader SPI and modified the DelegatingSmartContextLoader algorithm accordingly.
- DelegatingSmartContextLoader no longer operates on a list of candidate loaders but rather on explicit instances of GenericXmlContextLoader and AnnotationConfigContextLoader.
- Updated Javadoc regarding DelegatingSmartContextLoader as the new default loader.
- Updated and polished Javadoc regarding changes in 3.1.
- Now enforcing @ContextConfiguration's restriction on declaring locations or classes but not both.
This commit is contained in:
Sam Brannen
2011-08-13 14:31:00 +00:00
parent 2d6340af74
commit a298c2dde8
13 changed files with 336 additions and 251 deletions
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org.springframework.test/src/test/java/org/springframework/test/context/ContextLoaderUtilsTests.java
+106 -30
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@@ -38,8 +38,8 @@ import org.springframework.test.context.support.GenericPropertiesContextLoader;
*/
public class ContextLoaderUtilsTests {
private static final Class<?>[] EMPTY_CLASS_ARRAY = new Class<?>[] {};
private static final String[] EMPTY_STRING_ARRAY = new String[] {};
private static final Class<?>[] EMPTY_CLASS_ARRAY = new Class<?>[0];
private static final String[] EMPTY_STRING_ARRAY = new String[0];
private void assertAttributes(ContextConfigurationAttributes attributes, Class<?> expectedDeclaringClass,
@@ -52,13 +52,23 @@ public class ContextLoaderUtilsTests {
assertEquals(expectedContextLoaderClass, attributes.getContextLoaderClass());
}
private void assertFooAttributes(ContextConfigurationAttributes attributes) {
assertAttributes(attributes, Foo.class, new String[] { "/foo.xml" }, new Class<?>[] { FooConfig.class },
private void assertLocationsFooAttributes(ContextConfigurationAttributes attributes) {
assertAttributes(attributes, LocationsFoo.class, new String[] { "/foo.xml" }, EMPTY_CLASS_ARRAY,
ContextLoader.class, false);
}
private void assertBarAttributes(ContextConfigurationAttributes attributes) {
assertAttributes(attributes, Bar.class, new String[] { "/bar.xml" }, new Class<?>[] { BarConfig.class },
private void assertClassesFooAttributes(ContextConfigurationAttributes attributes) {
assertAttributes(attributes, ClassesFoo.class, EMPTY_STRING_ARRAY, new Class<?>[] { FooConfig.class },
ContextLoader.class, false);
}
private void assertLocationsBarAttributes(ContextConfigurationAttributes attributes) {
assertAttributes(attributes, LocationsBar.class, new String[] { "/bar.xml" }, EMPTY_CLASS_ARRAY,
AnnotationConfigContextLoader.class, true);
}
private void assertClassesBarAttributes(ContextConfigurationAttributes attributes) {
assertAttributes(attributes, ClassesBar.class, EMPTY_STRING_ARRAY, new Class<?>[] { BarConfig.class },
AnnotationConfigContextLoader.class, true);
}
@@ -90,20 +100,37 @@ public class ContextLoaderUtilsTests {
}
@Test
public void resolveContextConfigurationAttributesWithLocalAnnotation() {
List<ContextConfigurationAttributes> attributesList = ContextLoaderUtils.resolveContextConfigurationAttributes(Foo.class);
public void resolveContextConfigurationAttributesWithLocalAnnotationAndLocations() {
List<ContextConfigurationAttributes> attributesList = ContextLoaderUtils.resolveContextConfigurationAttributes(LocationsFoo.class);
assertNotNull(attributesList);
assertEquals(1, attributesList.size());
assertFooAttributes(attributesList.get(0));
assertLocationsFooAttributes(attributesList.get(0));
}
@Test
public void resolveContextConfigurationAttributesWithLocalAndInheritedAnnotations() {
List<ContextConfigurationAttributes> attributesList = ContextLoaderUtils.resolveContextConfigurationAttributes(Bar.class);
public void resolveContextConfigurationAttributesWithLocalAnnotationAndClasses() {
List<ContextConfigurationAttributes> attributesList = ContextLoaderUtils.resolveContextConfigurationAttributes(ClassesFoo.class);
assertNotNull(attributesList);
assertEquals(1, attributesList.size());
assertClassesFooAttributes(attributesList.get(0));
}
@Test
public void resolveContextConfigurationAttributesWithLocalAndInheritedAnnotationsAndLocations() {
List<ContextConfigurationAttributes> attributesList = ContextLoaderUtils.resolveContextConfigurationAttributes(LocationsBar.class);
assertNotNull(attributesList);
assertEquals(2, attributesList.size());
assertFooAttributes(attributesList.get(0));
assertBarAttributes(attributesList.get(1));
assertLocationsFooAttributes(attributesList.get(0));
assertLocationsBarAttributes(attributesList.get(1));
}
@Test
public void resolveContextConfigurationAttributesWithLocalAndInheritedAnnotationsAndClasses() {
List<ContextConfigurationAttributes> attributesList = ContextLoaderUtils.resolveContextConfigurationAttributes(ClassesBar.class);
assertNotNull(attributesList);
assertEquals(2, attributesList.size());
assertClassesFooAttributes(attributesList.get(0));
assertClassesBarAttributes(attributesList.get(1));
}
@Test(expected = IllegalArgumentException.class)
@@ -124,33 +151,62 @@ public class ContextLoaderUtilsTests {
}
@Test
public void buildMergedContextConfigurationWithLocalAnnotation() {
Class<?> testClass = Foo.class;
public void buildMergedContextConfigurationWithLocalAnnotationAndLocations() {
Class<?> testClass = LocationsFoo.class;
MergedContextConfiguration mergedConfig = ContextLoaderUtils.buildMergedContextConfiguration(testClass, null);
assertMergedContextConfiguration(mergedConfig, testClass, new String[] { "classpath:/foo.xml" },
EMPTY_CLASS_ARRAY, DelegatingSmartContextLoader.class);
}
@Test
public void buildMergedContextConfigurationWithLocalAnnotationAndClasses() {
Class<?> testClass = ClassesFoo.class;
MergedContextConfiguration mergedConfig = ContextLoaderUtils.buildMergedContextConfiguration(testClass, null);
assertMergedContextConfiguration(mergedConfig, testClass, EMPTY_STRING_ARRAY,
new Class<?>[] { FooConfig.class }, DelegatingSmartContextLoader.class);
}
@Test
public void buildMergedContextConfigurationWithLocalAnnotationAndOverriddenContextLoader() {
Class<?> testClass = Foo.class;
public void buildMergedContextConfigurationWithLocalAnnotationAndOverriddenContextLoaderAndLocations() {
Class<?> testClass = LocationsFoo.class;
Class<? extends ContextLoader> expectedContextLoaderClass = GenericPropertiesContextLoader.class;
MergedContextConfiguration mergedConfig = ContextLoaderUtils.buildMergedContextConfiguration(testClass,
expectedContextLoaderClass.getName());
assertMergedContextConfiguration(mergedConfig, testClass, new String[] { "classpath:/foo.xml" },
EMPTY_CLASS_ARRAY, expectedContextLoaderClass);
}
@Test
public void buildMergedContextConfigurationWithLocalAnnotationAndOverriddenContextLoaderAndClasses() {
Class<?> testClass = ClassesFoo.class;
Class<? extends ContextLoader> expectedContextLoaderClass = GenericPropertiesContextLoader.class;
MergedContextConfiguration mergedConfig = ContextLoaderUtils.buildMergedContextConfiguration(testClass,
expectedContextLoaderClass.getName());
assertMergedContextConfiguration(mergedConfig, testClass, EMPTY_STRING_ARRAY,
new Class<?>[] { FooConfig.class }, expectedContextLoaderClass);
}
@Test
public void buildMergedContextConfigurationWithLocalAndInheritedAnnotations() {
Class<?> testClass = Bar.class;
public void buildMergedContextConfigurationWithLocalAndInheritedAnnotationsAndLocations() {
Class<?> testClass = LocationsBar.class;
String[] expectedLocations = new String[] { "/foo.xml", "/bar.xml" };
MergedContextConfiguration mergedConfig = ContextLoaderUtils.buildMergedContextConfiguration(testClass, null);
assertMergedContextConfiguration(mergedConfig, testClass, expectedLocations, EMPTY_CLASS_ARRAY,
AnnotationConfigContextLoader.class);
}
@Test
public void buildMergedContextConfigurationWithLocalAndInheritedAnnotationsAndClasses() {
Class<?> testClass = ClassesBar.class;
Class<?>[] expectedClasses = new Class<?>[] { FooConfig.class, BarConfig.class };
MergedContextConfiguration mergedConfig = ContextLoaderUtils.buildMergedContextConfiguration(testClass, null);
assertMergedContextConfiguration(mergedConfig, testClass, expectedLocations, expectedClasses,
assertMergedContextConfiguration(mergedConfig, testClass, EMPTY_STRING_ARRAY, expectedClasses,
AnnotationConfigContextLoader.class);
}
@@ -186,21 +242,28 @@ public class ContextLoaderUtilsTests {
@Test
public void resolveActiveProfilesWithLocalAnnotation() {
String[] profiles = ContextLoaderUtils.resolveActiveProfiles(Foo.class);
String[] profiles = ContextLoaderUtils.resolveActiveProfiles(LocationsFoo.class);
assertNotNull(profiles);
assertArrayEquals(new String[] { "foo" }, profiles);
}
@Test
public void resolveActiveProfilesWithInheritedAnnotation() {
String[] profiles = ContextLoaderUtils.resolveActiveProfiles(InheritedFoo.class);
public void resolveActiveProfilesWithInheritedAnnotationAndLocations() {
String[] profiles = ContextLoaderUtils.resolveActiveProfiles(InheritedLocationsFoo.class);
assertNotNull(profiles);
assertArrayEquals(new String[] { "foo" }, profiles);
}
@Test
public void resolveActiveProfilesWithInheritedAnnotationAndClasses() {
String[] profiles = ContextLoaderUtils.resolveActiveProfiles(InheritedClassesFoo.class);
assertNotNull(profiles);
assertArrayEquals(new String[] { "foo" }, profiles);
}
@Test
public void resolveActiveProfilesWithLocalAndInheritedAnnotations() {
String[] profiles = ContextLoaderUtils.resolveActiveProfiles(Bar.class);
String[] profiles = ContextLoaderUtils.resolveActiveProfiles(LocationsBar.class);
assertNotNull(profiles);
assertEquals(2, profiles.length);
@@ -245,25 +308,38 @@ public class ContextLoaderUtilsTests {
private static class FooConfig {
}
@ContextConfiguration(locations = "/foo.xml", classes = FooConfig.class, inheritLocations = false)
@ContextConfiguration(locations = "/foo.xml", inheritLocations = false)
@ActiveProfiles(profiles = "foo")
private static class Foo {
private static class LocationsFoo {
}
private static class InheritedFoo extends Foo {
@ContextConfiguration(classes = FooConfig.class, inheritLocations = false)
@ActiveProfiles(profiles = "foo")
private static class ClassesFoo {
}
private static class InheritedLocationsFoo extends LocationsFoo {
}
private static class InheritedClassesFoo extends ClassesFoo {
}
@Configuration
private static class BarConfig {
}
@ContextConfiguration(locations = "/bar.xml", classes = BarConfig.class, inheritLocations = true, loader = AnnotationConfigContextLoader.class)
@ContextConfiguration(locations = "/bar.xml", inheritLocations = true, loader = AnnotationConfigContextLoader.class)
@ActiveProfiles("bar")
private static class Bar extends Foo {
private static class LocationsBar extends LocationsFoo {
}
@ContextConfiguration(classes = BarConfig.class, inheritLocations = true, loader = AnnotationConfigContextLoader.class)
@ActiveProfiles("bar")
private static class ClassesBar extends ClassesFoo {
}
@ActiveProfiles(profiles = { "dog", "cat" }, inheritProfiles = false)
private static class Animals extends Bar {
private static class Animals extends LocationsBar {
}
}
org.springframework.test/src/test/java/org/springframework/test/context/junit4/annotation/DefaultConfigClassesBaseTests.java
+1
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@@ -37,6 +37,7 @@ import org.springframework.test.context.support.AnnotationConfigContextLoader;
*
* @author Sam Brannen
* @since 3.1
* @see DefaultLoaderDefaultConfigClassesBaseTests
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(loader = AnnotationConfigContextLoader.class)
org.springframework.test/src/test/java/org/springframework/test/context/junit4/annotation/DefaultLoaderDefaultConfigClassesBaseTests.java
+1
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@@ -36,6 +36,7 @@ import org.springframework.test.context.support.DelegatingSmartContextLoader;
*
* @author Sam Brannen
* @since 3.1
* @see DefaultConfigClassesBaseTests
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration
org.springframework.test/src/test/java/org/springframework/test/context/support/DelegatingSmartContextLoaderTests.java
+21 -40
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@@ -18,7 +18,6 @@ package org.springframework.test.context.support;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
@@ -50,12 +49,7 @@ public class DelegatingSmartContextLoaderTests {
assertTrue(ObjectUtils.isEmpty(array));
}
// --- SmartContextLoader --------------------------------------------------
@Test
public void generatesDefaults() {
assertTrue(loader.generatesDefaults());
}
// --- SmartContextLoader - processContextConfiguration() ------------------
@Test(expected = IllegalStateException.class)
public void processContextConfigurationWithoutLocationsAndConfigurationClassesForBogusTestClass() {
@@ -82,6 +76,14 @@ public class DelegatingSmartContextLoaderTests {
assertEmpty(configAttributes.getLocations());
}
@Test(expected = IllegalStateException.class)
public void processContextConfigurationWithDefaultXmlConfigAndConfigurationClassGeneration() {
ContextConfigurationAttributes configAttributes = new ContextConfigurationAttributes(
ImproperDuplicateDefaultXmlAndConfigClassTestCase.class, EMPTY_STRING_ARRAY, EMPTY_CLASS_ARRAY, true,
ContextLoader.class);
loader.processContextConfiguration(configAttributes);
}
@Test
public void processContextConfigurationWithLocation() {
String[] locations = new String[] { "classpath:/foo.xml" };
@@ -102,39 +104,7 @@ public class DelegatingSmartContextLoaderTests {
assertEmpty(configAttributes.getLocations());
}
@Test(expected = IllegalArgumentException.class)
public void doesNotSupportNullConfig() {
MergedContextConfiguration mergedConfig = null;
loader.supports(mergedConfig);
}
@Test
public void doesNotSupportEmptyConfig() {
MergedContextConfiguration mergedConfig = new MergedContextConfiguration(getClass(), EMPTY_STRING_ARRAY,
EMPTY_CLASS_ARRAY, EMPTY_STRING_ARRAY, loader);
assertFalse(loader.supports(mergedConfig));
}
@Test
public void doesNotSupportLocationsAndConfigurationClasses() {
MergedContextConfiguration mergedConfig = new MergedContextConfiguration(getClass(),
new String[] { "foo.xml" }, new Class<?>[] { getClass() }, EMPTY_STRING_ARRAY, loader);
assertFalse(loader.supports(mergedConfig));
}
@Test
public void supportsLocations() {
MergedContextConfiguration mergedConfig = new MergedContextConfiguration(getClass(),
new String[] { "foo.xml" }, EMPTY_CLASS_ARRAY, EMPTY_STRING_ARRAY, loader);
assertTrue(loader.supports(mergedConfig));
}
@Test
public void supportsConfigurationClasses() {
MergedContextConfiguration mergedConfig = new MergedContextConfiguration(getClass(), EMPTY_STRING_ARRAY,
new Class<?>[] { getClass() }, EMPTY_STRING_ARRAY, loader);
assertTrue(loader.supports(mergedConfig));
}
// --- SmartContextLoader - loadContext() ----------------------------------
@Test(expected = IllegalArgumentException.class)
public void loadContextWithNullConfig() throws Exception {
@@ -187,6 +157,8 @@ public class DelegatingSmartContextLoaderTests {
}
// -------------------------------------------------------------------------
static class XmlTestCase {
}
@@ -202,4 +174,13 @@ public class DelegatingSmartContextLoaderTests {
}
}
static class ImproperDuplicateDefaultXmlAndConfigClassTestCase {
@Configuration
static class Config {
// intentionally empty: we just need the class to be present to fail
// the test
}
}
}
org.springframework.test/src/test/resources/org/springframework/test/context/support/DelegatingSmartContextLoaderTests$ImproperDuplicateDefaultXmlAndConfigClassTestCase-context.xml
+8
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@@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:c="http://www.springframework.org/schema/c"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd">
<!-- intentionally empty: we just need the file to be present to fail the test -->
</beans>