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   1 package com.vaadin.v7.tests.server.component.fieldgroup;
   2
   3 import static org.junit.Assert.assertEquals;
   4
   5 import org.junit.Assert;
   6 import org.junit.Test;
   7
   8 import com.vaadin.v7.data.Item;
   9 import com.vaadin.v7.data.fieldgroup.BeanFieldGroup;
  10 import com.vaadin.v7.data.fieldgroup.FieldGroup.CommitException;
  11 import com.vaadin.v7.data.fieldgroup.PropertyId;
  12 import com.vaadin.v7.data.util.BeanItem;
  13 import com.vaadin.v7.ui.Field;
  14 import com.vaadin.v7.ui.RichTextArea;
  15 import com.vaadin.v7.ui.TextField;
  16
  17 public class BeanFieldGroupTest {
  18
  19     private static final String DEFAULT_FOR_BASIC_FIELD = "default";
  20
  21     public static class MyBean {
  22
  23         private String basicField = DEFAULT_FOR_BASIC_FIELD;
  24
  25         private String anotherField;
  26
  27         private MyNestedBean nestedBean = new MyNestedBean();
  28
  29         public MyNestedBean getNestedBean() {
  30             return nestedBean;
  31         }
  32
  33         /**
  34          * @return the basicField
  35          */
  36         public String getBasicField() {
  37             return basicField;
  38         }
  39
  40         /**
  41          * @param basicField
  42          *            the basicField to set
  43          */
  44         public void setBasicField(String basicField) {
  45             this.basicField = basicField;
  46         }
  47
  48         /**
  49          * @return the anotherField
  50          */
  51         public String getAnotherField() {
  52             return anotherField;
  53         }
  54
  55         /**
  56          * @param anotherField
  57          *            the anotherField to set
  58          */
  59         public void setAnotherField(String anotherField) {
  60             this.anotherField = anotherField;
  61         }
  62     }
  63
  64     public static class MyNestedBean {
  65
  66         private String hello = "Hello world";
  67
  68         public String getHello() {
  69             return hello;
  70         }
  71     }
  72
  73     public static class ViewStub {
  74
  75         TextField basicField = new TextField();
  76
  77         @PropertyId("anotherField")
  78         TextField boundWithAnnotation = new TextField();
  79     }
  80
  81     @SuppressWarnings("unchecked")
  82     @Test
  83     public void testStaticBindingHelper() {
  84         MyBean myBean = new MyBean();
  85
  86         ViewStub viewStub = new ViewStub();
  87         BeanFieldGroup<MyBean> bindFields = BeanFieldGroup
  88                 .bindFieldsUnbuffered(myBean, viewStub);
  89
  90         Field<String> field = (Field<String>) bindFields.getField("basicField");
  91         Assert.assertEquals(DEFAULT_FOR_BASIC_FIELD, myBean.basicField);
  92         field.setValue("Foo");
  93         Assert.assertEquals("Foo", myBean.basicField);
  94
  95         field = (Field<String>) bindFields.getField("anotherField");
  96         field.setValue("Foo");
  97         Assert.assertEquals("Foo", myBean.anotherField);
  98     }
  99
 100     @SuppressWarnings("unchecked")
 101     @Test
 102     public void testStaticBufferedBindingHelper() throws CommitException {
 103         MyBean myBean = new MyBean();
 104
 105         ViewStub viewStub = new ViewStub();
 106         BeanFieldGroup<MyBean> bindFields = BeanFieldGroup
 107                 .bindFieldsBuffered(myBean, viewStub);
 108
 109         Field<String> basicField = (Field<String>) bindFields
 110                 .getField("basicField");
 111         basicField.setValue("Foo");
 112         Assert.assertEquals(DEFAULT_FOR_BASIC_FIELD, myBean.basicField);
 113
 114         Field<String> anotherField = (Field<String>) bindFields
 115                 .getField("anotherField");
 116         anotherField.setValue("Foo");
 117         Assert.assertNull(myBean.anotherField);
 118
 119         bindFields.commit();
 120
 121         Assert.assertEquals("Foo", myBean.basicField);
 122         Assert.assertEquals("Foo", myBean.anotherField);
 123
 124     }
 125
 126     @Test
 127     public void buildAndBindNestedProperty() {
 128
 129         MyBean bean = new MyBean();
 130
 131         BeanFieldGroup<MyBean> bfg = new BeanFieldGroup<MyBean>(MyBean.class);
 132         bfg.setItemDataSource(bean);
 133
 134         com.vaadin.v7.ui.Field<?> helloField = bfg.buildAndBind("Hello string",
 135                 "nestedBean.hello");
 136         assertEquals(bean.nestedBean.hello, helloField.getValue().toString());
 137     }
 138
 139     @Test
 140     public void buildAndBindNestedRichTextAreaProperty() {
 141
 142         MyBean bean = new MyBean();
 143
 144         BeanFieldGroup<MyBean> bfg = new BeanFieldGroup<MyBean>(MyBean.class);
 145         bfg.setItemDataSource(bean);
 146
 147         RichTextArea helloField = bfg.buildAndBind("Hello string",
 148                 "nestedBean.hello", RichTextArea.class);
 149         assertEquals(bean.nestedBean.hello, helloField.getValue().toString());
 150     }
 151
 152     @Test
 153     public void setDataSource_nullBean_nullBeanIsSetInDataSource() {
 154         BeanFieldGroup<MyBean> group = new BeanFieldGroup<MyBean>(MyBean.class);
 155
 156         group.setItemDataSource((MyBean) null);
 157
 158         BeanItem<MyBean> dataSource = group.getItemDataSource();
 159         Assert.assertNull("Data source is null for null bean", dataSource);
 160     }
 161
 162     @Test
 163     public void setDataSource_nullItem_nullDataSourceIsSet() {
 164         BeanFieldGroup<MyBean> group = new BeanFieldGroup<MyBean>(MyBean.class);
 165
 166         group.setItemDataSource((Item) null);
 167         BeanItem<MyBean> dataSource = group.getItemDataSource();
 168         Assert.assertNull("Group returns not null data source", dataSource);
 169     }
 170
 171 }