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JSR303Test.java
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JSR303Test.java
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/**
* Copyright (c) 2012-2015, jcabi.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met: 1) Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer. 2) Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution. 3) Neither the name of the jcabi.com nor
* the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jcabi.aspects;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import javax.validation.ConstraintViolationException;
import javax.validation.Valid;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Pattern;
import org.junit.Test;
/**
* Test case for {@link JSR-303} annotations and their implementations.
* @author Yegor Bugayenko (yegor@tpc2.com)
* @version $Id$
*/
public final class JSR303Test {
/**
* NotNull can throw when invalid method parameters.
* @throws Exception If something goes wrong
*/
@Test(expected = ConstraintViolationException.class)
public void throwsWhenMethodParametersAreInvalid() throws Exception {
new JSR303Test.Foo().foo(null);
}
/**
* NotNull can throw when regex doesn't match.
* @todo #169:30min When I replaced our own validation with that of
* hibernate-validator for #34, this test stopped working in openJDK6,
* but remained working in all the other JDKs we're using on Travis CI.
* This test should pass without errors.
* @throws Exception If something goes wrong
*/
@Test(expected = ConstraintViolationException.class)
public void throwsWhenRegularExpressionDoesntMatch() throws Exception {
new JSR303Test.Foo().foo("some text");
}
/**
* NotNull can pass for valid parameters.
* @throws Exception If something goes wrong
*/
@Test
public void passesWhenMethodParametersAreValid() throws Exception {
new JSR303Test.Foo().foo("123");
}
/**
* NotNull can validate method output.
* @throws Exception If something goes wrong
*/
@Test(expected = ConstraintViolationException.class)
public void validatesOutputForNonNull() throws Exception {
new JSR303Test.Foo().nullValue();
}
/**
* NotNull can ignore methods that return VOID.
* @throws Exception If something goes wrong
*/
@Test
public void ignoresVoidResponses() throws Exception {
new JSR303Test.Foo().voidAlways();
}
/**
* Validates constructor parameters for directly invoked constructors.
*/
@Test(expected = ConstraintViolationException.class)
public void validatesConstructorParameters() {
new JSR303Test.ConstructorValidation(null, null);
}
/**
* Validates constructor parameters for other invoked constructors.
*/
@Test(expected = ConstraintViolationException.class)
public void validatesChainedConstructorParameters() {
new JSR303Test.ConstructorValidation(null);
}
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.PARAMETER)
private @interface NoMeaning {
}
/**
* Dummy class, for tests above.
*/
@Loggable(Loggable.INFO)
private static final class Foo {
/**
* Do nothing.
* @param text Some text
* @return Some data
*/
@NotNull
public int foo(
@NotNull @Pattern(regexp = "\\d+")
@JSR303Test.NoMeaning final String text) {
return -1;
}
/**
* Always return null.
* @return Some data
*/
@NotNull
@Valid
public Integer nullValue() {
return null;
}
/**
* Ignores when void.
*/
public void voidAlways() {
// nothing to do
}
}
/**
* Dummy class for testing constructor validation.
*
* @author Carlos Miranda (miranda.cma@gmail.com)
* @version $Id$
*/
@Loggable(Loggable.INFO)
private static final class ConstructorValidation {
/**
* Public ctor.
* @param first First param
* @param second Second param
* @checkstyle UnusedFormalParameter (3 lines)
*/
@SuppressWarnings("PMD.UnusedFormalParameter")
public ConstructorValidation(@NotNull final String first,
@NotNull final String second) {
//Nothing to do.
}
/**
* Public ctor.
* @param param The param.
*/
public ConstructorValidation(@NotNull final String param) {
this(param.toString(), "foo");
}
}
}