diff options
Diffstat (limited to 'server/src/test/java/com/vaadin/data/BinderMultiSelectTest.java')
-rw-r--r-- | server/src/test/java/com/vaadin/data/BinderMultiSelectTest.java | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/server/src/test/java/com/vaadin/data/BinderMultiSelectTest.java b/server/src/test/java/com/vaadin/data/BinderMultiSelectTest.java new file mode 100644 index 0000000000..93f4ccdac4 --- /dev/null +++ b/server/src/test/java/com/vaadin/data/BinderMultiSelectTest.java @@ -0,0 +1,180 @@ +/* + * Copyright 2000-2016 Vaadin Ltd. + * + * Licensed under the Apache License, Version 2.0 (the "License"); you may not + * use this file except in compliance with the License. You may obtain a copy of + * the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the + * License for the specific language governing permissions and limitations under + * the License. + */ +package com.vaadin.data; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +import java.util.Collections; +import java.util.Locale; +import java.util.Set; +import java.util.concurrent.atomic.AtomicReference; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +import org.junit.Before; +import org.junit.Test; + +import com.vaadin.data.util.converter.Converter; +import com.vaadin.tests.data.bean.BeanWithEnums; +import com.vaadin.tests.data.bean.TestEnum; +import com.vaadin.ui.CheckBoxGroup; + +public class BinderMultiSelectTest + extends BinderTestBase<Binder<BeanWithEnums>, BeanWithEnums> { + public class TestEnumSetToStringConverter + implements Converter<Set<TestEnum>, String> { + @Override + public Result<String> convertToModel(Set<TestEnum> value, + Locale locale) { + return Result.ok(value.stream().map(TestEnum::name) + .collect(Collectors.joining(","))); + } + + @Override + public Set<TestEnum> convertToPresentation(String value, + Locale locale) { + return Stream.of(value.split(",")) + .filter(string -> !string.isEmpty()).map(TestEnum::valueOf) + .collect(Collectors.toSet()); + } + } + + private Binder<AtomicReference<String>> converterBinder = new Binder<>(); + + private CheckBoxGroup<TestEnum> select; + + @Before + public void setUp() { + binder = new Binder<>(); + item = new BeanWithEnums(); + select = new CheckBoxGroup<>(); + select.setItems(TestEnum.values()); + + converterBinder.forSelect(select) + .withConverter(new TestEnumSetToStringConverter()) + .bind(AtomicReference<String>::get, + AtomicReference<String>::set); + } + + @Test + public void beanBound_bindSelectByShortcut_selectionUpdated() { + item.setEnums(Collections.singleton(TestEnum.ONE)); + binder.bind(item); + binder.bind(select, BeanWithEnums::getEnums, BeanWithEnums::setEnums); + + assertEquals(Collections.singleton(TestEnum.ONE), + select.getSelectedItems()); + } + + @Test + public void beanBound_bindSelect_selectionUpdated() { + item.setEnums(Collections.singleton(TestEnum.TWO)); + binder.bind(item); + binder.forSelect(select).bind(BeanWithEnums::getEnums, + BeanWithEnums::setEnums); + + assertEquals(Collections.singleton(TestEnum.TWO), + select.getSelectedItems()); + } + + @Test + public void selectBound_bindBeanWithoutEnums_selectedItemNotPresent() { + bindEnum(); + + assertTrue(select.getSelectedItems().isEmpty()); + } + + @Test + public void selectBound_bindBean_selectionUpdated() { + item.setEnums(Collections.singleton(TestEnum.ONE)); + bindEnum(); + + assertEquals(Collections.singleton(TestEnum.ONE), + select.getSelectedItems()); + } + + @Test + public void bound_setSelection_beanValueUpdated() { + bindEnum(); + + select.select(TestEnum.TWO); + + assertEquals(Collections.singleton(TestEnum.TWO), item.getEnums()); + } + + @Test + public void bound_deselect_beanValueUpdatedToNull() { + item.setEnums(Collections.singleton(TestEnum.ONE)); + bindEnum(); + + select.deselect(TestEnum.ONE); + + assertTrue(item.getEnums().isEmpty()); + } + + @Test + public void unbound_changeSelection_beanValueNotUpdated() { + item.setEnums(Collections.singleton(TestEnum.ONE)); + bindEnum(); + binder.unbind(); + + select.select(TestEnum.TWO); + + assertEquals(Collections.singleton(TestEnum.ONE), item.getEnums()); + } + + @Test + public void withConverter_load_selectUpdated() { + converterBinder.load(new AtomicReference<>("TWO")); + + assertEquals(Collections.singleton(TestEnum.TWO), + select.getSelectionModel().getSelectedItems()); + } + + @Test + public void withConverter_save_referenceUpdated() { + select.select(TestEnum.ONE); + select.select(TestEnum.TWO); + + AtomicReference<String> reference = new AtomicReference<>(""); + converterBinder.saveIfValid(reference); + + assertEquals("ONE,TWO", reference.get()); + } + + @Test + public void withValidator_validate_validatorUsed() { + binder.forSelect(select) + .withValidator(selection -> selection.size() % 2 == 1, + "Must select odd number of items") + .bind(BeanWithEnums::getEnums, BeanWithEnums::setEnums); + binder.bind(item); + + assertFalse(binder.validate().isOk()); + + select.select(TestEnum.TWO); + + assertTrue(binder.validate().isOk()); + } + + protected void bindEnum() { + binder.forSelect(select).bind(BeanWithEnums::getEnums, + BeanWithEnums::setEnums); + binder.bind(item); + } +} |