# java - play - pojo validation
http://www.playframework.com/documentation/2.2.x/JavaForms
http://docs.spring.io/spring/docs/3.0.x/reference/validation.html
checker JSR-303 (Bean Validation)
http://blog.octo.com/jsr-303-bean-validation-etat-des-lieux/
check des raw types :
@NotNull
@Constraints.Required
@Constraints.MinLength(value = 5)
@Constraints.MaxLength(value = 20)
private String name;
@Nullable
@Formats.DateTime(pattern = "yyyy/MM/dd HH:mm:ss")
@JsonFormat(shape=JsonFormat.Shape.STRING, pattern="yyyy/MM/dd HH:mm:ss", timezone="CET")
private Date date;
@NotNull
@Constraints.Required
@Constraints.Min(value = 1)
@Constraints.Max(value = 10)
private Integer numberInteger;
@Nullable
@Constraints.Min(value = 10)
@Constraints.Max(value = 20)
private Long numberLong;
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SQL version :
`date` datetime DEFAULT NULL,
`name` varchar(255) DEFAULT NULL,
`numberInteger` int(11) DEFAULT NULL,
`numberLong` bigint(20) DEFAULT NULL,
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unit test :
package models;
import com.fasterxml.jackson.databind.JsonNode;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.myweb.utils.test.TestHelper;
import play.data.Form;
import play.data.validation.ValidationError;
import play.libs.Json;
import java.util.List;
import java.util.Map;
public class ProductValidationTest {
Product validProduct;
@Before
public void setUp() throws Exception {
validProduct = TestHelper.productFactory(null, "boubouboubou", null, 10, 10l, null);
}
@Test
public void testProductValidation_OK() {
JsonNode jsProduct = Json.toJson(validProduct);
Form<Product> productForm = Form.form(Product.class);
productForm = productForm.bind(jsProduct);
Assert.assertFalse(productForm.hasErrors());
}
@Test
public void testProductValidation_KO_requiredFields() {
//noinspection ConstantConditions
validProduct.setName(null);
//noinspection ConstantConditions
validProduct.setNumberInteger(null);
//noinspection ConstantConditions
validProduct.setCategory(null);
JsonNode jsProduct = Json.toJson(validProduct);
Form<Product> productForm = Form.form(Product.class);
productForm = productForm.bind(jsProduct);
Assert.assertTrue(productForm.hasErrors());
Map<String,List<ValidationError>> errors = productForm.errors();
Assert.assertNotNull(errors);
Assert.assertTrue(errors.size() > 0);
List<ValidationError> fieldErrors;
ValidationError fieldError;
fieldErrors = errors.get("name");
Assert.assertNotNull(fieldErrors);
Assert.assertTrue(fieldErrors.size() > 0);
fieldError = fieldErrors.get(0);
Assert.assertEquals("error.required", fieldError.message());
fieldErrors = errors.get("numberInteger");
Assert.assertNotNull(fieldErrors);
Assert.assertTrue(fieldErrors.size() > 0);
fieldError = fieldErrors.get(0);
Assert.assertEquals("error.required", fieldError.message());
}
@Test
public void testProductValidation_KO_stringsMinLengths() {
validProduct.setName("toto");
JsonNode jsProduct = Json.toJson(validProduct);
Form<Product> productForm = Form.form(Product.class);
productForm = productForm.bind(jsProduct);
Assert.assertTrue(productForm.hasErrors());
Map<String,List<ValidationError>> errors = productForm.errors();
Assert.assertNotNull(errors);
Assert.assertTrue(errors.size() > 0);
List<ValidationError> fieldErrors;
ValidationError fieldError;
fieldErrors = errors.get("name");
Assert.assertNotNull(fieldErrors);
Assert.assertTrue(fieldErrors.size() > 0);
fieldError = fieldErrors.get(0);
Assert.assertEquals("error.minLength", fieldError.message());
validProduct.setName("totototototototototototototototototototototototototototototototototototo");
}
@Test
public void testProductValidation_KO_stringsMaxLengths() {
validProduct.setName("totototototototototototototototototototototototototototototototototototo");
JsonNode jsProduct = Json.toJson(validProduct);
Form<Product> productForm = Form.form(Product.class);
productForm = productForm.bind(jsProduct);
Assert.assertTrue(productForm.hasErrors());
Map<String,List<ValidationError>> errors = productForm.errors();
Assert.assertNotNull(errors);
Assert.assertTrue(errors.size() > 0);
List<ValidationError> fieldErrors;
ValidationError fieldError;
fieldErrors = errors.get("name");
Assert.assertNotNull(fieldErrors);
Assert.assertTrue(fieldErrors.size() > 0);
fieldError = fieldErrors.get(0);
Assert.assertEquals("error.maxLength", fieldError.message());
}
@Test
public void testProductValidation_KO_numericMin() {
validProduct.setNumberInteger(0);
validProduct.setNumberLong(9l);
JsonNode jsProduct = Json.toJson(validProduct);
Form<Product> productForm = Form.form(Product.class);
productForm = productForm.bind(jsProduct);
Assert.assertTrue(productForm.hasErrors());
Map<String,List<ValidationError>> errors = productForm.errors();
Assert.assertNotNull(errors);
Assert.assertTrue(errors.size() > 0);
List<ValidationError> fieldErrors;
ValidationError fieldError;
fieldErrors = errors.get("numberInteger");
Assert.assertNotNull(fieldErrors);
Assert.assertTrue(fieldErrors.size() > 0);
fieldError = fieldErrors.get(0);
Assert.assertEquals("error.min", fieldError.message());
fieldErrors = errors.get("numberLong");
Assert.assertNotNull(fieldErrors);
Assert.assertTrue(fieldErrors.size() > 0);
fieldError = fieldErrors.get(0);
Assert.assertEquals("error.min", fieldError.message());
}
@Test
public void testProductValidation_KO_numericMax() {
validProduct.setNumberInteger(11);
validProduct.setNumberLong(21l);
JsonNode jsProduct = Json.toJson(validProduct);
Form<Product> productForm = Form.form(Product.class);
productForm = productForm.bind(jsProduct);
Assert.assertTrue(productForm.hasErrors());
Map<String,List<ValidationError>> errors = productForm.errors();
Assert.assertNotNull(errors);
Assert.assertTrue(errors.size() > 0);
List<ValidationError> fieldErrors;
ValidationError fieldError;
fieldErrors = errors.get("numberInteger");
Assert.assertNotNull(fieldErrors);
Assert.assertTrue(fieldErrors.size() > 0);
fieldError = fieldErrors.get(0);
Assert.assertEquals("error.max", fieldError.message());
fieldErrors = errors.get("numberLong");
Assert.assertNotNull(fieldErrors);
Assert.assertTrue(fieldErrors.size() > 0);
fieldError = fieldErrors.get(0);
Assert.assertEquals("error.max", fieldError.message());
}
}
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