hg/html~html4j: json/src/test/java/org/netbeans/html/json/impl/DeepChangeTest.java@bdc3d696dd4a

     1 /**

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    10  * General Public License Version 2 only ("GPL") or the Common

    11  * Development and Distribution License("CDDL") (collectively, the

    12  * "License"). You may not use this file except in compliance with the

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    43 package org.netbeans.html.json.impl;

    45 import java.io.IOException;

    46 import java.io.InputStream;

    47 import java.lang.reflect.InvocationTargetException;

    48 import java.util.HashMap;

    49 import java.util.List;

    50 import java.util.Map;

    51 import net.java.html.BrwsrCtx;

    52 import net.java.html.json.ComputedProperty;

    53 import net.java.html.json.Model;

    54 import net.java.html.json.Models;

    55 import net.java.html.json.Property;

    56 import org.netbeans.html.context.spi.Contexts;

    57 import org.netbeans.html.json.spi.FunctionBinding;

    58 import org.netbeans.html.json.spi.JSONCall;

    59 import org.netbeans.html.json.spi.PropertyBinding;

    60 import org.netbeans.html.json.spi.Technology;

    61 import org.netbeans.html.json.spi.Transfer;

    62 import static org.testng.Assert.*;

    63 import org.testng.annotations.BeforeMethod;

    64 import org.testng.annotations.Test;

    66 /**

    67  *

    68  * @author Jaroslav Tulach

    69  */

    70 public class DeepChangeTest {

    71     private MapTechnology t;

    72     private BrwsrCtx c;

    74     @BeforeMethod public void initTechnology() {

    75         t = new MapTechnology();

    76         c = Contexts.newBuilder().register(Technology.class, t, 1).

    77             register(Transfer.class, t, 1).build();

    78     }

    80     @Model(className = "MyX", properties = {

    81         @Property(name = "one", type = MyY.class),

    82         @Property(name = "all", type = MyY.class, array = true)

    83     })

    84     static class X {

    85         @ComputedProperty @Transitive(deep = true)

    86         static String oneName(MyY one) {

    87             return one.getValue();

    88         }

    89         @ComputedProperty

    90         static String sndName(MyY one) {

    91             return one.getValue().toUpperCase();

    92         }

    93         @ComputedProperty @Transitive(deep = false)

    94         static String noName(MyY one) {

    95             return one.getValue().toUpperCase();

    96         }

    97         @ComputedProperty @Transitive(deep = true)

    98         static String thrdName(MyY one) {

    99             return "X" + one.getCount();

   100         }

   102         @ComputedProperty

   103         static String allNames(List<MyY> all) {

   104             StringBuilder sb = new StringBuilder();

   105             for (MyY y : all) {

   106                 sb.append(y.getValue());

   107             }

   108             return sb.toString();

   109         }

   111         @ComputedProperty @Transitive(deep = true)

   112         static String firstFromNames(List<MyY> all) {

   113             for (MyY y : all) {

   114                 if (y != null && y.getValue() != null) {

   115                     return y.getValue();

   116                 }

   117             }

   118             return null;

   119         }

   120     }

   121     @Model(className = "MyY", properties = {

   122         @Property(name = "value", type = String.class),

   123         @Property(name = "count", type = int.class)

   124     })

   125     static class Y {

   126     }

   127     @Model(className = "MyOverall", properties = {

   128         @Property(name = "x", type = MyX.class)

   129     })

   130     static class Overall {

   131         @ComputedProperty @Transitive(deep = true)

   132         static String valueAccross(MyX x) {

   133             return x.getFirstFromNames();

   134         }

   135     }

   137     @Test public void isTransitiveChangeNotifiedProperly() throws Exception {

   138         MyX p = Models.bind(

   139             new MyX(new MyY("Ahoj", 0), new MyY("Hi", 333), new MyY("Hello", 999)

   140         ), c).applyBindings();

   142         Map m = (Map)Models.toRaw(p);

   143         Object v = m.get("oneName");

   144         assertNotNull(v, "Value should be in the map");

   145         assertEquals(v.getClass(), One.class, "It is instance of One");

   146         One o = (One)v;

   147         assertEquals(o.changes, 0, "No changes so far");

   148         assertTrue(o.pb.isReadOnly(), "Derived property");

   149         assertEquals(o.get(), "Ahoj");

   151         p.getOne().setValue("Nazdar");

   153         assertEquals(o.get(), "Nazdar");

   154         assertEquals(o.changes, 1, "One change so far");

   155     }

   157     @Test public void isTransitiveChangeInArrayNotifiedProperly() throws Exception {

   158         MyX p = Models.bind(

   159             new MyX(new MyY("Ahoj", 0), new MyY("Hi", 333), new MyY("Hello", 999)

   160         ), c).applyBindings();

   162         Map m = (Map)Models.toRaw(p);

   163         Object v = m.get("allNames");

   164         assertNotNull(v, "Value should be in the map");

   165         assertEquals(v.getClass(), One.class, "It is instance of One");

   166         One o = (One)v;

   167         assertEquals(o.changes, 0, "No changes so far");

   168         assertTrue(o.pb.isReadOnly(), "Derived property");

   169         assertEquals(o.get(), "HiHello");

   171         p.getAll().get(0).setValue("Nazdar");

   173         assertEquals(o.get(), "NazdarHello");

   174         assertEquals(o.changes, 1, "One change so far");

   175     }

   177     @Test public void addingIntoArray() throws Exception {

   178         MyX p = Models.bind(

   179             new MyX(new MyY("Ahoj", 0), new MyY("Hi", 333), new MyY("Hello", 999)

   180         ), c).applyBindings();

   182         Map m = (Map)Models.toRaw(p);

   183         Object v = m.get("allNames");

   184         assertNotNull(v, "Value should be in the map");

   185         assertEquals(v.getClass(), One.class, "It is instance of One");

   186         One o = (One)v;

   187         assertEquals(o.changes, 0, "No changes so far");

   188         assertTrue(o.pb.isReadOnly(), "Derived property");

   189         assertEquals(o.get(), "HiHello");

   191         MyY y = new MyY("Cus", 1);

   192         p.getAll().add(y);

   194         assertEquals(o.changes, 1, "One change so far");

   195         assertEquals(o.get(), "HiHelloCus");

   197         y.setValue("Nazdar");

   199         assertEquals(o.changes, 2, "2nd change so far");

   200         assertEquals(o.get(), "HiHelloNazdar");

   202         y.setValue("Zdravim");

   204         assertEquals(o.changes, 3, "3rd change so far");

   205         assertEquals(o.get(), "HiHelloZdravim");

   206     }

   208     @Test public void firstChangeInArrayNotifiedProperly() throws Exception {

   209         MyX p = Models.bind(

   210             new MyX(new MyY("Ahoj", 0), new MyY("Hi", 333), new MyY("Hello", 999)

   211         ), c).applyBindings();

   213         Map m = (Map)Models.toRaw(p);

   214         Object v = m.get("firstFromNames");

   215         assertNotNull(v, "Value should be in the map");

   216         assertEquals(v.getClass(), One.class, "It is instance of One");

   217         One o = (One)v;

   218         assertEquals(o.changes, 0, "No changes so far");

   219         assertTrue(o.pb.isReadOnly(), "Derived property");

   220         assertEquals(o.get(), "Hi");

   222         p.getAll().get(0).setValue("Nazdar");

   224         assertEquals(o.get(), "Nazdar");

   225         assertEquals(o.changes, 1, "One change so far");

   226     }

   228     @Test public void firstChangeInArrayToNull() throws Exception {

   229         MyX p = Models.bind(

   230             new MyX(new MyY("Ahoj", 0), new MyY("Hi", 333), new MyY("Hello", 999)

   231         ), c).applyBindings();

   233         Map m = (Map)Models.toRaw(p);

   234         Object v = m.get("firstFromNames");

   235         assertNotNull(v, "Value should be in the map");

   236         assertEquals(v.getClass(), One.class, "It is instance of One");

   237         One o = (One)v;

   238         assertEquals(o.changes, 0, "No changes so far");

   239         assertTrue(o.pb.isReadOnly(), "Derived property");

   240         assertEquals(o.get(), "Hi");

   242         p.getAll().get(0).setValue(null);

   244         assertEquals(o.get(), "Hello");

   245         assertEquals(o.changes, 1, "One change so far");

   247         p.getAll().get(0).setValue("Nazdar");

   249         assertEquals(o.get(), "Nazdar");

   250         assertEquals(o.changes, 2, "2nd change so far");

   251     }

   253     @Test public void firstChangeInArrayNotifiedTransitively() throws Exception {

   254         MyOverall p = Models.bind(

   255             new MyOverall(new MyX(new MyY("Ahoj", 0), new MyY("Hi", 333), new MyY("Hello", 999))

   256         ), c).applyBindings();

   258         Map m = (Map)Models.toRaw(p);

   259         Object v = m.get("valueAccross");

   260         assertNotNull(v, "Value should be in the map");

   261         assertEquals(v.getClass(), One.class, "It is instance of One");

   262         One o = (One)v;

   263         assertEquals(o.changes, 0, "No changes so far");

   264         assertTrue(o.pb.isReadOnly(), "Derived property");

   265         assertEquals(o.get(), "Hi");

   267         p.getX().getAll().get(0).setValue("Nazdar");

   269         assertEquals(o.get(), "Nazdar");

   270         assertEquals(o.changes, 1, "One change so far");

   271     }

   273     @Test public void secondChangeInArrayIgnored() throws Exception {

   274         MyX p = Models.bind(

   275             new MyX(new MyY("Ahoj", 0), new MyY("Hi", 333), new MyY("Hello", 999)

   276         ), c).applyBindings();

   278         Map m = (Map)Models.toRaw(p);

   279         Object v = m.get("firstFromNames");

   280         assertNotNull(v, "Value should be in the map");

   281         assertEquals(v.getClass(), One.class, "It is instance of One");

   282         One o = (One)v;

   283         assertEquals(o.changes, 0, "No changes so far");

   284         assertTrue(o.pb.isReadOnly(), "Derived property");

   285         assertEquals(o.get(), "Hi");

   287         p.getAll().get(1).setValue("Nazdar");

   289         assertEquals(o.get(), "Hi");

   290         assertEquals(o.changes, 0, "No change so far");

   291     }

   293     @Test public void changeInArraySizeNeedsToBeRecomputed() throws Exception {

   294         MyX p = Models.bind(

   295             new MyX(new MyY("Ahoj", 0), new MyY("Hi", 333), new MyY("Hello", 999)

   296         ), c).applyBindings();

   298         Map m = (Map)Models.toRaw(p);

   299         Object v = m.get("firstFromNames");

   300         assertNotNull(v, "Value should be in the map");

   301         assertEquals(v.getClass(), One.class, "It is instance of One");

   302         One o = (One)v;

   303         assertEquals(o.changes, 0, "No changes so far");

   304         assertTrue(o.pb.isReadOnly(), "Derived property");

   305         assertEquals(o.get(), "Hi");

   307         p.getAll().remove(1);

   309         assertEquals(o.get(), "Hi");

   310         assertEquals(o.changes, 1, "This required a change");

   311     }

   313     @Test public void doublePropertyChangeNotified() throws Exception {

   314         MyX p = Models.bind(

   315             new MyX(new MyY("Ahoj", 0), new MyY("Hi", 333), new MyY("Hello", 999)

   316         ), c).applyBindings();

   318         Map m = (Map)Models.toRaw(p);

   319         Object v = m.get("oneName");

   320         assertNotNull(v, "Value should be in the map");

   321         Object v2 = m.get("sndName");

   322         assertNotNull(v2, "Value2 should be in the map");

   323         One o = (One)v;

   324         One o2 = (One)v2;

   325         assertEquals(o.changes, 0, "No changes so far");

   326         assertEquals(o2.changes, 0, "No changes so far");

   327         assertTrue(o.pb.isReadOnly(), "Derived property");

   328         assertEquals(o.get(), "Ahoj");

   329         assertEquals(o2.get(), "AHOJ");

   331         p.getOne().setValue("Nazdar");

   333         assertEquals(o.get(), "Nazdar");

   334         assertEquals(o.changes, 1, "One change so far");

   335         assertEquals(o2.changes, 1, "One change so far");

   336         assertEquals(o2.get(), "NAZDAR");

   337     }

   339     @Test public void onlyAffectedPropertyChangeNotified() throws Exception {

   340         MyX p = Models.bind(

   341             new MyX(new MyY("Ahoj", 0), new MyY("Hi", 333), new MyY("Hello", 999)

   342         ), c).applyBindings();

   344         Map m = (Map)Models.toRaw(p);

   345         Object v = m.get("oneName");

   346         assertNotNull(v, "Value should be in the map");

   347         Object v2 = m.get("thrdName");

   348         assertNotNull(v2, "Value2 should be in the map");

   349         One o = (One)v;

   350         One o2 = (One)v2;

   351         assertEquals(o.changes, 0, "No changes so far");

   352         assertEquals(o2.changes, 0, "No changes so far");

   353         assertTrue(o.pb.isReadOnly(), "Derived property");

   354         assertEquals(o.get(), "Ahoj");

   355         assertEquals(o2.get(), "X0");

   357         p.getOne().setCount(10);

   359         assertEquals(o.get(), "Ahoj");

   360         assertEquals(o.changes, 0, "Still no change");

   361         assertEquals(o2.changes, 1, "One change so far");

   362         assertEquals(o2.get(), "X10");

   363     }

   365     @Test public void onlyDeepPropsAreNotified() throws Exception {

   366         MyX p = Models.bind(

   367             new MyX(new MyY("Ahoj", 0), new MyY("Hi", 333), new MyY("Hello", 999)

   368         ), c).applyBindings();

   370         Map m = (Map)Models.toRaw(p);

   371         Object v = m.get("oneName");

   372         assertNotNull(v, "Value should be in the map");

   373         Object v2 = m.get("noName");

   374         assertNotNull(v2, "Value2 should be in the map");

   375         One o = (One)v;

   376         One o2 = (One)v2;

   377         assertEquals(o.changes, 0, "No changes so far");

   378         assertEquals(o2.changes, 0, "No changes so far");

   379         assertTrue(o.pb.isReadOnly(), "Derived property");

   380         assertEquals(o.get(), "Ahoj");

   381         assertEquals(o2.get(), "AHOJ");

   383         p.getOne().setValue("Nazdar");

   385         assertEquals(o.get(), "Nazdar");

   386         assertEquals(o.changes, 1, "One change so far");

   387         assertEquals(o2.changes, 0, "This change is not noticed");

   388         assertEquals(o2.get(), "NAZDAR", "but property value changes when computed");

   389     }

   391     static final class One {

   393         int changes;

   394         final PropertyBinding pb;

   395         final FunctionBinding fb;

   397         One(Object m, PropertyBinding pb) throws NoSuchMethodException {

   398             this.pb = pb;

   399             this.fb = null;

   400         }

   402         One(Object m, FunctionBinding fb) throws NoSuchMethodException {

   403             this.pb = null;

   404             this.fb = fb;

   405         }

   407         Object get() throws IllegalAccessException, IllegalArgumentException, InvocationTargetException {

   408             return pb.getValue();

   409         }

   411         void set(Object v) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException {

   412             pb.setValue(v);

   413         }

   414     }

   416     static final class MapTechnology

   417             implements Technology<Map<String, One>>, Transfer {

   419         @Override

   420         public Map<String, One> wrapModel(Object model) {

   421             return new HashMap<String, One>();

   422         }

   424         @Override

   425         public void valueHasMutated(Map<String, One> data, String propertyName) {

   426             One p = data.get(propertyName);

   427             if (p != null) {

   428                 p.changes++;

   429             }

   430         }

   432         @Override

   433         public void bind(PropertyBinding b, Object model, Map<String, One> data) {

   434             try {

   435                 One o = new One(model, b);

   436                 data.put(b.getPropertyName(), o);

   437             } catch (NoSuchMethodException ex) {

   438                 throw new IllegalStateException(ex);

   439             }

   440         }

   442         @Override

   443         public void expose(FunctionBinding fb, Object model, Map<String, One> data) {

   444             try {

   445                 data.put(fb.getFunctionName(), new One(model, fb));

   446             } catch (NoSuchMethodException ex) {

   447                 throw new IllegalStateException(ex);

   448             }

   449         }

   451         @Override

   452         public void applyBindings(Map<String, One> data) {

   453         }

   455         @Override

   456         public Object wrapArray(Object[] arr) {

   457             return arr;

   458         }

   460         @Override

   461         public void extract(Object obj, String[] props, Object[] values) {

   462             Map<?, ?> map = obj instanceof Map ? (Map<?, ?>) obj : null;

   463             for (int i = 0; i < Math.min(props.length, values.length); i++) {

   464                 if (map == null) {

   465                     values[i] = null;

   466                 } else {

   467                     values[i] = map.get(props[i]);

   468                     if (values[i] instanceof One) {

   469                         values[i] = ((One) values[i]).pb.getValue();

   470                     }

   471                 }

   472             }

   473         }

   475         @Override

   476         public void loadJSON(JSONCall call) {

   477             call.notifyError(new UnsupportedOperationException());

   478         }

   480         @Override

   481         public <M> M toModel(Class<M> modelClass, Object data) {

   482             return modelClass.cast(data);

   483         }

   485         @Override

   486         public Object toJSON(InputStream is) throws IOException {

   487             throw new IOException();

   488         }

   490         @Override

   491         public void runSafe(Runnable r) {

   492             throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.

   493         }

   494     }

   496 }

author	Jaroslav Tulach <jtulach@netbeans.org>
	Tue, 26 Aug 2014 18:13:30 +0200
changeset 838	bdc3d696dd4a
parent 790	30f20d9c0986
child 920	117b732d42d0
permissions	-rw-r--r--