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<td class="page-title-pattern-first-line " style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HSEARCH" style="color: #3b73af; text-decoration: none">Hibernate Search</a> / <a href="https://hibernate.atlassian.net/browse/HSEARCH-2328" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-bf46d84f-8437-444b-87ff-d098695aa5b6" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HSEARCH-2328" style="color: #3b73af; text-decoration: none">HSEARCH-2328</a> </td>
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<td style="vertical-align: top;; padding: 0; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HSEARCH-2328" style="color: #3b73af; text-decoration: none">Code examples in the documentations are not automatically checked for correctness</a> </span> </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="yrodiere" id="email_yrodiere" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=yrodiere" style="color:#6c797f;; color: #3b73af; text-decoration: none">Yoann Rodière</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <span class="diffcontext">I just stumbled upon some code example that still used {{SortField.STRING}}, which doesn't exist anymore, instead of the newer {{SortField.Type.STRING}}. I'm fixing it right now, but the real issue is that this kind of problem is hard to spot, and we can't be sure there aren't others in the documentation.<br><br>The thing is, code examples provided in the documentation are never compiled, thus when they become obsolete and do not compile, or do not run, anymore, we simply don't know.<br><br>The Hibernate Validator project uses a nice approach to solve this issue: they write code examples in JUnit tests,</span> <span class="diffaddedchars" style="background-color:#ddfade;"> apply</span> <span class="diffcontext"> tags (with java comments)</span> <span class="diffaddedchars" style="background-color:#ddfade;"> to</span> <span class="diffcontext"> the portions to be included in the documentation, and refer to these tags from the documentation.<br>That way, code example are assured to always compile, and even (if we define proper assertions) to always run as expected.<br><br>An example:<br><br>In the asciiDoc:<br>{code}<br>[[example-constraint-mapping]]<br>.Programmatic constraint declaration<br>====<br>[source, JAVA, indent=0]<br>----<br>include::{sourcedir}/org/hibernate/validator/referenceguide/chapter11/constraintapi/ConstraintApiTest.java[tags=constraintMapping]<br>----<br>====<br>{code}<br><br>And in the test (notice the comment with {{tag::}} and {{end::}}):<br><br>{code}<br>public class ConstraintApiTest {<br><br> @Test<br> public void constraintMapping() {<br> //tag::constraintMapping[]<br> HibernateValidatorConfiguration configuration = Validation<br> .byProvider( HibernateValidator.class )<br> .configure();<br><br> ConstraintMapping constraintMapping = configuration.createConstraintMapping();<br><br> constraintMapping<br> .type( Car.class )<br> .property( "manufacturer", FIELD )<br> .constraint( new NotNullDef() )<br> .property( "licensePlate", FIELD )<br> .ignoreAnnotations()<br> .constraint( new NotNullDef() )<br> .constraint( new SizeDef().min( 2 ).max( 14 ) )<br> .type( RentalCar.class )<br> .property( "rentalStation", METHOD )<br> .constraint( new NotNullDef() );<br><br> Validator validator = configuration.addMapping( constraintMapping )<br> .buildValidatorFactory()<br> .getValidator();<br> //end::constraintMapping[]<br> }<br>}<br>{code}</span> </td>
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