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SimpleEvaluationContext.Builder withMethodResolvers/withInstanceMethods

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Includes DataBindingMethodResolver as ReflectiveMethodResolver subclass.

Issue: SPR-16588
This commit is contained in:
Juergen Hoeller
2018-03-24 16:30:37 +01:00
parent a989ea0867
commit 9128226da4
6 changed files with 220 additions and 45 deletions
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60
spring-expression/src/test/java/org/springframework/expression/spel/PropertyAccessTests.java
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@@ -32,7 +32,7 @@ import org.springframework.expression.PropertyAccessor;
import org.springframework.expression.TypedValue;
import org.springframework.expression.spel.standard.SpelExpression;
import org.springframework.expression.spel.standard.SpelExpressionParser;
import org.springframework.expression.spel.support.DataBindingPropertyAccessor;
import org.springframework.expression.spel.support.SimpleEvaluationContext;
import org.springframework.expression.spel.support.StandardEvaluationContext;
import org.springframework.expression.spel.testresources.Person;
@@ -186,22 +186,38 @@ public class PropertyAccessTests extends AbstractExpressionTests {
@Test
public void standardGetClassAccess() {
Expression expr = parser.parseExpression("'a'.class.getName()");
assertEquals(String.class.getName(), expr.getValue());
assertEquals(String.class.getName(), parser.parseExpression("'a'.class.name").getValue());
}
@Test(expected = SpelEvaluationException.class)
public void noGetClassAccess() {
Expression expr = parser.parseExpression("'a'.class.getName()");
StandardEvaluationContext context = new StandardEvaluationContext();
context.setPropertyAccessors(Collections.singletonList(DataBindingPropertyAccessor.forReadWriteAccess()));
expr.getValue(context);
EvaluationContext context = SimpleEvaluationContext.forReadOnlyDataBinding().build();
parser.parseExpression("'a'.class.name").getValue(context);
}
@Test
public void propertyReadOnly() {
EvaluationContext context = SimpleEvaluationContext.forReadOnlyDataBinding().build();
Expression expr = parser.parseExpression("name");
Person target = new Person("p1");
assertEquals("p1", expr.getValue(context, target));
target.setName("p2");
assertEquals("p2", expr.getValue(context, target));
try {
parser.parseExpression("name='p3'").getValue(context, target);
fail("Should have thrown SpelEvaluationException");
}
catch (SpelEvaluationException ex) {
// expected
}
}
@Test
public void propertyReadWrite() {
StandardEvaluationContext context = new StandardEvaluationContext();
context.setPropertyAccessors(Collections.singletonList(DataBindingPropertyAccessor.forReadWriteAccess()));
EvaluationContext context = SimpleEvaluationContext.forReadWriteDataBinding().build();
Expression expr = parser.parseExpression("name");
Person target = new Person("p1");
@@ -218,18 +234,26 @@ public class PropertyAccessTests extends AbstractExpressionTests {
assertEquals("p4", expr.getValue(context, target));
}
@Test(expected = SpelEvaluationException.class)
public void propertyReadOnly() {
StandardEvaluationContext context = new StandardEvaluationContext();
context.setPropertyAccessors(Collections.singletonList(DataBindingPropertyAccessor.forReadOnlyAccess()));
@Test
public void propertyAccessWithoutMethodResolver() {
EvaluationContext context = SimpleEvaluationContext.forReadOnlyDataBinding().build();
Expression expr = parser.parseExpression("name");
Person target = new Person("p1");
assertEquals("p1", expr.getValue(context, target));
target.setName("p2");
assertEquals("p2", expr.getValue(context, target));
try {
parser.parseExpression("name.substring(1)").getValue(context, target);
fail("Should have thrown SpelEvaluationException");
}
catch (SpelEvaluationException ex) {
// expected
}
}
parser.parseExpression("name='p3'").getValue(context, target);
@Test
public void propertyAccessWithInstanceMethodResolver() {
EvaluationContext context = SimpleEvaluationContext.forReadOnlyDataBinding().withInstanceMethods().build();
Person target = new Person("p1");
assertEquals("1", parser.parseExpression("name.substring(1)").getValue(context, target));
}