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- package com.vaadin.data;
-
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertFalse;
- import static org.junit.Assert.assertNotNull;
- import static org.junit.Assert.assertNull;
- import static org.junit.Assert.assertSame;
- import static org.junit.Assert.assertTrue;
- import static org.junit.Assert.fail;
-
- import java.util.ArrayList;
- import java.util.List;
- import java.util.concurrent.atomic.AtomicReference;
-
- import org.junit.Assert;
- import org.junit.Before;
- import org.junit.Test;
-
- import com.vaadin.data.Binder.Binding;
- import com.vaadin.data.Binder.BindingBuilder;
- import com.vaadin.data.BindingValidationStatus.Status;
- import com.vaadin.tests.data.bean.Person;
- import com.vaadin.ui.Label;
-
- public class BinderValidationStatusTest
- extends BinderTestBase<Binder<Person>, Person> {
-
- protected final static BindingValidationStatusHandler NOOP = event -> {
- };
-
- @Before
- public void setUp() {
- binder = new Binder<>();
- item = new Person();
- item.setFirstName("Johannes");
- item.setAge(32);
- }
-
- //
- // Binding-level status handler
- //
-
- @Test
- public void bindingWithStatusHandler_handlerGetsEvents() {
- AtomicReference<BindingValidationStatus<?>> statusCapture = new AtomicReference<>();
- BindingBuilder<Person, String> binding = binder.forField(nameField)
- .withValidator(notEmpty).withValidationStatusHandler(evt -> {
- assertNull(statusCapture.get());
- statusCapture.set(evt);
- });
- binding.bind(Person::getFirstName, Person::setFirstName);
-
- nameField.setValue("");
-
- // First validation fails => should be event with ERROR status and
- // message
- binder.validate();
-
- assertNotNull(statusCapture.get());
- BindingValidationStatus<?> evt = statusCapture.get();
- assertEquals(Status.ERROR, evt.getStatus());
- assertEquals(EMPTY_ERROR_MESSAGE, evt.getMessage().get());
- assertEquals(nameField, evt.getField());
-
- statusCapture.set(null);
- nameField.setValue("foo");
-
- statusCapture.set(null);
- // Second validation succeeds => should be event with OK status and
- // no message
- binder.validate();
-
- evt = statusCapture.get();
- assertNotNull(evt);
- assertEquals(Status.OK, evt.getStatus());
- assertFalse(evt.getMessage().isPresent());
- assertEquals(nameField, evt.getField());
- }
-
- @Test
- public void bindingWithStatusHandler_defaultStatusHandlerIsReplaced() {
- Binding<Person, String> binding = binder.forField(nameField)
- .withValidator(notEmpty).withValidationStatusHandler(evt -> {
- }).bind(Person::getFirstName, Person::setFirstName);
-
- assertNull(nameField.getComponentError());
-
- nameField.setValue("");
-
- // First validation fails => should be event with ERROR status and
- // message
- binding.validate();
-
- // default behavior should update component error for the nameField
- assertNull(nameField.getComponentError());
- }
-
- @Test
- public void bindingWithStatusLabel_labelIsUpdatedAccordingStatus() {
- Label label = new Label();
-
- Binding<Person, String> binding = binder.forField(nameField)
- .withValidator(notEmpty).withStatusLabel(label)
- .bind(Person::getFirstName, Person::setFirstName);
-
- nameField.setValue("");
-
- // First validation fails => should be event with ERROR status and
- // message
- binding.validate();
-
- assertTrue(label.isVisible());
- assertEquals(EMPTY_ERROR_MESSAGE, label.getValue());
-
- nameField.setValue("foo");
-
- // Second validation succeeds => should be event with OK status and
- // no message
- binding.validate();
-
- assertFalse(label.isVisible());
- assertEquals("", label.getValue());
- }
-
- @Test
- public void bindingWithStatusLabel_defaultStatusHandlerIsReplaced() {
- Label label = new Label();
-
- Binding<Person, String> binding = binder.forField(nameField)
- .withValidator(notEmpty).withStatusLabel(label)
- .bind(Person::getFirstName, Person::setFirstName);
-
- assertNull(nameField.getComponentError());
-
- nameField.setValue("");
-
- // First validation fails => should be event with ERROR status and
- // message
- binding.validate();
-
- // default behavior should update component error for the nameField
- assertNull(nameField.getComponentError());
- }
-
- @Test(expected = IllegalStateException.class)
- public void bindingWithStatusHandler_addAfterBound() {
- BindingBuilder<Person, String> binding = binder.forField(nameField)
- .withValidator(notEmpty);
- binding.bind(Person::getFirstName, Person::setFirstName);
-
- binding.withValidationStatusHandler(evt -> fail());
- }
-
- @Test(expected = IllegalStateException.class)
- public void bindingWithStatusLabel_addAfterBound() {
- Label label = new Label();
-
- BindingBuilder<Person, String> binding = binder.forField(nameField)
- .withValidator(notEmpty);
- binding.bind(Person::getFirstName, Person::setFirstName);
-
- binding.withStatusLabel(label);
- }
-
- @Test(expected = IllegalStateException.class)
- public void bindingWithStatusLabel_setAfterHandler() {
- Label label = new Label();
-
- BindingBuilder<Person, String> binding = binder.forField(nameField);
-
- binding.withValidationStatusHandler(NOOP);
-
- binding.withStatusLabel(label);
- }
-
- @Test(expected = IllegalStateException.class)
- public void bindingWithStatusHandler_setAfterLabel() {
- Label label = new Label();
-
- BindingBuilder<Person, String> binding = binder.forField(nameField);
-
- binding.withStatusLabel(label);
-
- binding.withValidationStatusHandler(NOOP);
- }
-
- @Test(expected = IllegalStateException.class)
- public void bindingWithStatusHandler_setAfterOtherHandler() {
-
- BindingBuilder<Person, String> binding = binder.forField(nameField);
-
- binding.withValidationStatusHandler(NOOP);
-
- binding.withValidationStatusHandler(NOOP);
- }
-
- //
- // Binder-level status handler
- //
-
- @Test
- public void binderWithStatusHandler_fieldValidationNoBeanValidation_handlerGetsStatusUpdates() {
- AtomicReference<BinderValidationStatus<?>> statusCapture = new AtomicReference<>();
- binder.forField(nameField).withValidator(notEmpty)
- .withValidationStatusHandler(evt -> fail(
- "Using a custom status change handler so no change should end up here"))
- .bind(Person::getFirstName, Person::setFirstName);
- binder.forField(ageField).withConverter(stringToInteger)
- .withValidator(notNegative)
- .withValidationStatusHandler(evt -> fail(
- "Using a custom status change handler so no change should end up here"))
- .bind(Person::getAge, Person::setAge);
-
- binder.setValidationStatusHandler(r -> statusCapture.set(r));
- binder.setBean(item);
- assertNull(nameField.getComponentError());
-
- nameField.setValue("");
- ageField.setValue("5");
-
- // First binding validation fails => should be result with ERROR status
- // and message
- BinderValidationStatus<Person> status2 = binder.validate();
- BinderValidationStatus<?> status = statusCapture.get();
- assertSame(status2, status);
-
- assertNull(nameField.getComponentError());
-
- List<BindingValidationStatus<?>> bindingStatuses = status
- .getFieldValidationStatuses();
- assertNotNull(bindingStatuses);
- assertEquals(1, status.getFieldValidationErrors().size());
- assertEquals(2, bindingStatuses.size());
-
- BindingValidationStatus<?> r = bindingStatuses.get(0);
- assertTrue(r.isError());
- assertEquals(EMPTY_ERROR_MESSAGE, r.getMessage().get());
- assertEquals(nameField, r.getField());
-
- r = bindingStatuses.get(1);
- assertFalse(r.isError());
- assertFalse(r.getMessage().isPresent());
- assertEquals(ageField, r.getField());
-
- assertEquals(0, status.getBeanValidationResults().size());
- assertEquals(0, status.getBeanValidationErrors().size());
-
- nameField.setValue("foo");
- ageField.setValue("");
-
- statusCapture.set(null);
- // Second validation succeeds => should be result with OK status and
- // no message, and error result for age
- binder.validate();
-
- status = statusCapture.get();
- bindingStatuses = status.getFieldValidationStatuses();
- assertEquals(1, status.getFieldValidationErrors().size());
- assertEquals(2, bindingStatuses.size());
-
- r = bindingStatuses.get(0);
- assertFalse(r.isError());
- assertFalse(r.getMessage().isPresent());
- assertEquals(nameField, r.getField());
-
- r = bindingStatuses.get(1);
- assertTrue(r.isError());
- assertEquals("Value must be a number", r.getMessage().get());
- assertEquals(ageField, r.getField());
-
- assertEquals(0, status.getBeanValidationResults().size());
- assertEquals(0, status.getBeanValidationErrors().size());
-
- statusCapture.set(null);
- // binding validations pass, binder validation fails
- ageField.setValue("0");
- binder.validate();
-
- status = statusCapture.get();
- bindingStatuses = status.getFieldValidationStatuses();
- assertEquals(0, status.getFieldValidationErrors().size());
- assertEquals(2, bindingStatuses.size());
-
- assertEquals(0, status.getBeanValidationResults().size());
- assertEquals(0, status.getBeanValidationErrors().size());
- }
-
- @Test
- public void binderWithStatusHandler_fieldAndBeanLevelValidation_handlerGetsStatusUpdates() {
- AtomicReference<BinderValidationStatus<?>> statusCapture = new AtomicReference<>();
- binder.forField(nameField).withValidator(notEmpty)
- .withValidationStatusHandler(evt -> fail(
- "Using a custom status change handler so no change should end up here"))
- .bind(Person::getFirstName, Person::setFirstName);
- binder.forField(ageField).withConverter(stringToInteger)
- .withValidator(notNegative)
- .withValidationStatusHandler(evt -> fail(
- "Using a custom status change handler so no change should end up here"))
- .bind(Person::getAge, Person::setAge);
- binder.withValidator(
- bean -> !bean.getFirstName().isEmpty() && bean.getAge() > 0,
- "Need first name and age");
-
- binder.setValidationStatusHandler(r -> statusCapture.set(r));
- binder.setBean(item);
- assertNull(nameField.getComponentError());
-
- nameField.setValue("");
- ageField.setValue("5");
-
- // First binding validation fails => should be result with ERROR status
- // and message
- BinderValidationStatus<Person> status2 = binder.validate();
- BinderValidationStatus<?> status = statusCapture.get();
- assertSame(status2, status);
-
- assertNull(nameField.getComponentError());
-
- List<BindingValidationStatus<?>> bindingStatuses = status
- .getFieldValidationStatuses();
- assertNotNull(bindingStatuses);
- assertEquals(1, status.getFieldValidationErrors().size());
- assertEquals(2, bindingStatuses.size());
-
- BindingValidationStatus<?> r = bindingStatuses.get(0);
- assertTrue(r.isError());
- assertEquals(EMPTY_ERROR_MESSAGE, r.getMessage().get());
- assertEquals(nameField, r.getField());
-
- r = bindingStatuses.get(1);
- assertFalse(r.isError());
- assertFalse(r.getMessage().isPresent());
- assertEquals(ageField, r.getField());
-
- assertEquals(0, status.getBeanValidationResults().size());
- assertEquals(0, status.getBeanValidationErrors().size());
-
- nameField.setValue("foo");
- ageField.setValue("");
-
- statusCapture.set(null);
- // Second validation succeeds => should be result with OK status and
- // no message, and error result for age
- binder.validate();
-
- status = statusCapture.get();
- bindingStatuses = status.getFieldValidationStatuses();
- assertEquals(1, status.getFieldValidationErrors().size());
- assertEquals(2, bindingStatuses.size());
-
- r = bindingStatuses.get(0);
- assertFalse(r.isError());
- assertFalse(r.getMessage().isPresent());
- assertEquals(nameField, r.getField());
-
- r = bindingStatuses.get(1);
- assertTrue(r.isError());
- assertEquals("Value must be a number", r.getMessage().get());
- assertEquals(ageField, r.getField());
-
- assertEquals(0, status.getBeanValidationResults().size());
- assertEquals(0, status.getBeanValidationErrors().size());
-
- statusCapture.set(null);
- // binding validations pass, binder validation fails
- ageField.setValue("0");
- binder.validate();
-
- status = statusCapture.get();
- bindingStatuses = status.getFieldValidationStatuses();
- assertEquals(0, status.getFieldValidationErrors().size());
- assertEquals(2, bindingStatuses.size());
-
- assertEquals(1, status.getBeanValidationResults().size());
- assertEquals(1, status.getBeanValidationErrors().size());
-
- assertEquals("Need first name and age",
- status.getBeanValidationErrors().get(0).getErrorMessage());
- }
-
- @Test
- public void binderWithStatusHandler_defaultStatusHandlerIsReplaced() {
- Binding<Person, String> binding = binder.forField(nameField)
- .withValidator(notEmpty).withValidationStatusHandler(evt -> {
- }).bind(Person::getFirstName, Person::setFirstName);
-
- assertNull(nameField.getComponentError());
-
- nameField.setValue("");
-
- // First validation fails => should be event with ERROR status and
- // message
- binding.validate();
-
- // no component error since default handler is replaced
- assertNull(nameField.getComponentError());
- }
-
- @Test
- public void binderWithStatusLabel_defaultStatusHandlerIsReplaced() {
- Label label = new Label();
-
- Binding<Person, String> binding = binder.forField(nameField)
- .withValidator(notEmpty).withStatusLabel(label)
- .bind(Person::getFirstName, Person::setFirstName);
-
- assertNull(nameField.getComponentError());
-
- nameField.setValue("");
-
- // First validation fails => should be event with ERROR status and
- // message
- binding.validate();
-
- // default behavior should update component error for the nameField
- assertNull(nameField.getComponentError());
- }
-
- @Test(expected = IllegalStateException.class)
- public void binderWithStatusHandler_addAfterBound() {
- BindingBuilder<Person, String> binding = binder.forField(nameField)
- .withValidator(notEmpty);
- binding.bind(Person::getFirstName, Person::setFirstName);
-
- binding.withValidationStatusHandler(evt -> fail());
- }
-
- @Test(expected = IllegalStateException.class)
- public void binderWithStatusLabel_addAfterBound() {
- Label label = new Label();
-
- BindingBuilder<Person, String> binding = binder.forField(nameField)
- .withValidator(notEmpty);
- binding.bind(Person::getFirstName, Person::setFirstName);
-
- binding.withStatusLabel(label);
- }
-
- @Test(expected = IllegalStateException.class)
- public void binderWithStatusLabel_setAfterHandler() {
- Label label = new Label();
-
- BindingBuilder<Person, String> binding = binder.forField(nameField);
- binding.bind(Person::getFirstName, Person::setFirstName);
-
- binder.setValidationStatusHandler(event -> {
- });
-
- binder.setStatusLabel(label);
- }
-
- @Test(expected = IllegalStateException.class)
- public void binderWithStatusHandler_setAfterLabel() {
- Label label = new Label();
-
- BindingBuilder<Person, String> binding = binder.forField(nameField);
- binding.bind(Person::getFirstName, Person::setFirstName);
-
- binder.setStatusLabel(label);
-
- binder.setValidationStatusHandler(event -> {
- });
- }
-
- @Test(expected = NullPointerException.class)
- public void binderWithNullStatusHandler_throws() {
- binder.setValidationStatusHandler(null);
- }
-
- @Test
- public void binderWithStatusHandler_replaceHandler() {
- AtomicReference<BinderValidationStatus<?>> capture = new AtomicReference<>();
-
- BindingBuilder<Person, String> binding = binder.forField(nameField);
- binding.bind(Person::getFirstName, Person::setFirstName);
-
- binder.setValidationStatusHandler(results -> fail());
-
- binder.setValidationStatusHandler(results -> capture.set(results));
-
- nameField.setValue("foo");
- binder.validate();
-
- List<BindingValidationStatus<?>> results = capture.get()
- .getFieldValidationStatuses();
- assertNotNull(results);
- assertEquals(1, results.size());
- assertFalse(results.get(0).isError());
- }
-
- @Test
- public void binderValidationStatus_nullBindingStatuses() {
- try {
- new BinderValidationStatus<>(new Binder<Person>(), null,
- new ArrayList<>());
- Assert.fail("Binder should throw an NPE");
- } catch (NullPointerException npe) {
- assertNotNull(npe.getMessage());
- }
- }
- }
|