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AbstractDependencyInjectionSpringContextTests (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.test
Class AbstractDependencyInjectionSpringContextTests

java.lang.Object
  junit.framework.Assert
      junit.framework.TestCase
          org.springframework.test.ConditionalTestCase
              org.springframework.test.AbstractSpringContextTests
                  org.springframework.test.AbstractSingleSpringContextTests
                      org.springframework.test.AbstractDependencyInjectionSpringContextTests

All Implemented Interfaces:

Test

Direct Known Subclasses:

AbstractTransactionalSpringContextTests

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public abstract class AbstractDependencyInjectionSpringContextTests
extends AbstractSingleSpringContextTests

Convenient superclass for tests depending on a Spring context. The test instance itself is populated by Dependency Injection.

Really for integration testing, not unit testing. You should not normally use the Spring container for unit tests: simply populate your POJOs in plain JUnit tests!

This supports two modes of populating the test:

• Via Setter Dependency Injection. Simply express dependencies on objects in the test fixture, and they will be satisfied by autowiring by type.
• Via Field Injection. Declare protected variables of the required type which match named beans in the context. This is autowire by name, rather than type. This approach is based on an approach originated by Ara Abrahmian. Setter Dependency Injection is the default: set the "populateProtectedVariables" property to true in the constructor to switch on Field Injection.

Since:

1.1.1

Author:

Rod Johnson, Rob Harrop, Rick Evans

See Also:

AbstractSingleSpringContextTests.setDirty(), AbstractSingleSpringContextTests.contextKey(), AbstractSpringContextTests.getContext(java.lang.Object), AbstractSingleSpringContextTests.getConfigLocations()

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Field Summary
static int	AUTOWIRE_BY_NAME           Constant that indicates autowiring bean properties by name.
static int	AUTOWIRE_BY_TYPE           Constant that indicates autowiring bean properties by type.
static int	AUTOWIRE_NO           Constant that indicates no autowiring at all.

 

Fields inherited from class org.springframework.test.AbstractSingleSpringContextTests
applicationContext

 

Fields inherited from class org.springframework.test.ConditionalTestCase
logger

 

Constructor Summary
AbstractDependencyInjectionSpringContextTests()           Default constructor for AbstractDependencyInjectionSpringContextTests.
AbstractDependencyInjectionSpringContextTests(String name)           Constructor for AbstractDependencyInjectionSpringContextTests with a JUnit name.

 

Method Summary
int	getAutowireMode()           Return the autowire mode for test properties set by Dependency Injection.
protected  void	injectDependencies()           Inject dependencies into 'this' instance (that is, this test instance).
boolean	isDependencyCheck()           Return whether or not dependency checking should be performed for test properties set by Dependency Injection.
boolean	isPopulateProtectedVariables()           Return whether to populate protected variables of this test case.
protected  void	prepareTestInstance()           Prepare this test instance, injecting dependencies into its protected fields and its bean properties.
void	setAutowireMode(int autowireMode)           Set the autowire mode for test properties set by Dependency Injection.
void	setDependencyCheck(boolean dependencyCheck)           Set whether or not dependency checking should be performed for test properties set by Dependency Injection.
void	setPopulateProtectedVariables(boolean populateFields)           Set whether to populate protected variables of this test case.

 

Methods inherited from class org.springframework.test.AbstractSingleSpringContextTests
contextKey, createApplicationContext, customizeBeanFactory, getApplicationContext, getConfigLocations, getConfigPath, getConfigPaths, getLoadCount, loadContext, loadContextLocations, onSetUp, onTearDown, setDirty, setUp, tearDown

 

Methods inherited from class org.springframework.test.AbstractSpringContextTests
addContext, contextKeyString, getContext, hasCachedContext, setDirty

 

Methods inherited from class org.springframework.test.ConditionalTestCase
getDisabledTestCount, isDisabledInThisEnvironment, recordDisabled, runBare

 

Methods inherited from class junit.framework.TestCase
countTestCases, createResult, getName, run, run, runTest, setName, toString

 

Methods inherited from class junit.framework.Assert

assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertFalse, assertFalse, assertNotNull, assertNotNull, assertNotSame, assertNotSame, assertNull, assertNull, assertSame, assertSame, assertTrue, assertTrue, fail, fail

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Field Detail

AUTOWIRE_NO

public static final int AUTOWIRE_NO

Constant that indicates no autowiring at all.

See Also:

setAutowireMode(int), Constant Field Values

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AUTOWIRE_BY_NAME

public static final int AUTOWIRE_BY_NAME

Constant that indicates autowiring bean properties by name.

See Also:

setAutowireMode(int), Constant Field Values

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AUTOWIRE_BY_TYPE

public static final int AUTOWIRE_BY_TYPE

Constant that indicates autowiring bean properties by type.

See Also:

setAutowireMode(int), Constant Field Values

Constructor Detail

AbstractDependencyInjectionSpringContextTests

public AbstractDependencyInjectionSpringContextTests()

Default constructor for AbstractDependencyInjectionSpringContextTests.

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AbstractDependencyInjectionSpringContextTests

public AbstractDependencyInjectionSpringContextTests(String name)

Constructor for AbstractDependencyInjectionSpringContextTests with a JUnit name.

Parameters:

name - the name of this text fixture

Method Detail

setPopulateProtectedVariables

public final void setPopulateProtectedVariables(boolean populateFields)

Set whether to populate protected variables of this test case. Default is "false".

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isPopulateProtectedVariables

public final boolean isPopulateProtectedVariables()

Return whether to populate protected variables of this test case.

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setAutowireMode

public final void setAutowireMode(int autowireMode)

Set the autowire mode for test properties set by Dependency Injection.

The default is "AUTOWIRE_BY_TYPE". Can be set to "AUTOWIRE_BY_NAME" or "AUTOWIRE_NO" instead.

See Also:

AUTOWIRE_BY_TYPE, AUTOWIRE_BY_NAME, AUTOWIRE_NO

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getAutowireMode

public final int getAutowireMode()

Return the autowire mode for test properties set by Dependency Injection.

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setDependencyCheck

public final void setDependencyCheck(boolean dependencyCheck)

Set whether or not dependency checking should be performed for test properties set by Dependency Injection.

The default is "true", meaning that tests cannot be run unless all properties are populated.

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isDependencyCheck

public final boolean isDependencyCheck()

Return whether or not dependency checking should be performed for test properties set by Dependency Injection.

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prepareTestInstance

protected void prepareTestInstance()
                            throws Exception

Prepare this test instance, injecting dependencies into its protected fields and its bean properties.

Overrides:

prepareTestInstance in class AbstractSingleSpringContextTests

Throws:

Exception - in case of preparation failure

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injectDependencies

protected void injectDependencies()
                           throws Exception

Inject dependencies into 'this' instance (that is, this test instance).

The default implementation populates protected variables if the appropriate flag is set, else uses autowiring if autowiring is switched on (which it is by default).

Override this method if you need full control over how dependencies are injected into the test instance.

Throws:

Exception - in case of dependency injection failure

See Also:

populateProtectedVariables()

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