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Test Compatibility Kit for anyone who wants to consume the net.java.html.json APIs and
render their objects using own technology (e.g. own browser, MVVC, etc.).
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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 net.java.html.json.tests;
import java.util.List;
import net.java.html.BrwsrCtx;
import net.java.html.json.ComputedProperty;
import net.java.html.json.Function;
import net.java.html.json.Model;
import net.java.html.json.ModelOperation;
import net.java.html.json.Models;
import net.java.html.json.Property;
import org.netbeans.html.json.tck.KOTest;
import static net.java.html.json.tests.Utils.assertEquals;
/** Tests model of a mine field and its behavior in the browser.
*/
@Model(className = "Mines", targetId = "", properties = {
@Property(name = "state", type = MinesTest.GameState.class),
@Property(name = "rows", type = Row.class, array = true),
})
public final class MinesTest {
private final PhaseExecutor[] phases = { null };
@KOTest
public void paintTheGridOnClick() throws Throwable {
PhaseExecutor.schedule(phases, () -> {
BrwsrCtx ctx = Utils.newContext(MinesTest.class);
Utils.exposeHTML(MinesTest.class, """
""");
Mines m = Models.bind(new Mines(), ctx);
m.applyBindings();
return m;
}).then((data) -> {
int cnt = Utils.countChildren(MinesTest.class, "table");
assertEquals(cnt, 0, "Table is empty: " + cnt);
}).then((data) -> {
Utils.scheduleClick(MinesTest.class, "init", 10);
}).then((data) -> {
int cnt = Utils.countChildren(MinesTest.class, "table");
assertEquals(cnt, 10, "There is ten rows in the table now: " + cnt);
}).finalize((data) -> {
Utils.exposeHTML(MinesTest.class, "");
}).start();
}
@KOTest
public void countAround() throws Exception {
Mines mines = new Mines();
mines.init(5, 5, 0);
mines.getRows().get(0).getColumns().get(0).setMine(true);
mines.getRows().get(1).getColumns().get(0).setMine(true);
mines.getRows().get(0).getColumns().get(1).setMine(true);
int cnt = around(mines, 1, 1);
assertEquals(cnt, 3, "There are three mines around. Was: " + cnt);
}
enum GameState {
IN_PROGRESS, WON, LOST;
}
@Model(className = "Row", properties = {
@Property(name = "columns", type = Square.class, array = true)
})
static class RowModel {
}
@Model(className = "Square", properties = {
@Property(name = "state", type = SquareType.class),
@Property(name = "mine", type = boolean.class)
})
static class SquareModel {
@ComputedProperty static String html(SquareType state) {
if (state == null) return " ";
switch (state) {
case EXPLOSION: return "✗";
case UNKNOWN: return " ";
case DISCOVERED: return "✔";
case N_0: return " ";
}
return "ɸ" + (state.ordinal() - 1);
}
@ComputedProperty static String style(SquareType state) {
return state == null ? null : state.toString();
}
}
enum SquareType {
N_0, N_1, N_2, N_3, N_4, N_5, N_6, N_7, N_8,
UNKNOWN, EXPLOSION, DISCOVERED;
final boolean isVisible() {
return name().startsWith("N_");
}
final SquareType moreBombsAround() {
switch (this) {
case EXPLOSION:
case UNKNOWN:
case DISCOVERED:
case N_8:
return this;
}
return values()[ordinal() + 1];
}
}
@ComputedProperty static boolean fieldShowing(GameState state) {
return state != null;
}
@Function static void normalSize(Mines m) {
m.init(10, 10, 10);
}
private static int randIndex;
private static int[] RANDOM = {
4, 5, 8, 1, 3, 9, 2, 7, 7, 3, 8, 5, 4, 0,
2, 7, 5, 3, 2, 9, 8, 8, 5, 3, 5, 8, 1, 5
};
private static int random() {
return RANDOM[randIndex++ % RANDOM.length];
}
@ModelOperation static void init(Mines model, int width, int height, int mines) {
List rows = Models.asList();
for (int y = 0; y < height; y++) {
Square[] columns = new Square[width];
for (int x = 0; x < width; x++) {
columns[x] = new Square(SquareType.UNKNOWN, false);
}
rows.add(new Row(columns));
}
while (mines > 0) {
int x = random() % width;
int y = random() % height;
final Square s = rows.get(y).getColumns().get(x);
if (s.isMine()) {
continue;
}
s.setMine(true);
mines--;
}
model.setState(GameState.IN_PROGRESS);
model.getRows().clear();
model.getRows().addAll(rows);
}
@ModelOperation static void computeMines(Mines model) {
List xBombs = Models.asList();
List yBombs = Models.asList();
final List rows = model.getRows();
boolean emptyHidden = false;
SquareType[][] arr = new SquareType[rows.size()][];
for (int y = 0; y < rows.size(); y++) {
final List columns = rows.get(y).getColumns();
arr[y] = new SquareType[columns.size()];
for (int x = 0; x < columns.size(); x++) {
Square sq = columns.get(x);
if (sq.isMine()) {
xBombs.add(x);
yBombs.add(y);
}
if (sq.getState().isVisible()) {
arr[y][x] = SquareType.N_0;
} else {
if (!sq.isMine()) {
emptyHidden = true;
}
}
}
}
for (int i = 0; i < xBombs.size(); i++) {
int x = xBombs.get(i);
int y = yBombs.get(i);
incrementAround(arr, x, y);
}
for (int y = 0; y < rows.size(); y++) {
final List columns = rows.get(y).getColumns();
for (int x = 0; x < columns.size(); x++) {
Square sq = columns.get(x);
final SquareType newState = arr[y][x];
if (newState != null && newState != sq.getState()) {
sq.setState(newState);
}
}
}
if (!emptyHidden) {
model.setState(GameState.WON);
showAllBombs(model, SquareType.DISCOVERED);
}
}
private static void incrementAround(SquareType[][] arr, int x, int y) {
incrementAt(arr, x - 1, y - 1);
incrementAt(arr, x - 1, y);
incrementAt(arr, x - 1, y + 1);
incrementAt(arr, x + 1, y - 1);
incrementAt(arr, x + 1, y);
incrementAt(arr, x + 1, y + 1);
incrementAt(arr, x, y - 1);
incrementAt(arr, x, y + 1);
}
private static void incrementAt(SquareType[][] arr, int x, int y) {
if (y >= 0 && y < arr.length) {
SquareType[] r = arr[y];
if (x >= 0 && x < r.length) {
SquareType sq = r[x];
if (sq != null) {
r[x] = sq.moreBombsAround();
}
}
}
}
static void showAllBombs(Mines model, SquareType state) {
for (Row row : model.getRows()) {
for (Square square : row.getColumns()) {
if (square.isMine()) {
square.setState(state);
}
}
}
}
private static void expandKnown(Mines model, Square data) {
final List rows = model.getRows();
for (int y = 0; y < rows.size(); y++) {
final List columns = rows.get(y).getColumns();
for (int x = 0; x < columns.size(); x++) {
Square sq = columns.get(x);
if (sq == data) {
expandKnown(model, x, y);
return;
}
}
}
}
private static void expandKnown(Mines model, int x , int y) {
if (y < 0 || y >= model.getRows().size()) {
return;
}
final List columns = model.getRows().get(y).getColumns();
if (x < 0 || x >= columns.size()) {
return;
}
final Square sq = columns.get(x);
if (sq.getState() == SquareType.UNKNOWN) {
int around = around(model, x, y);
final SquareType t = SquareType.valueOf("N_" + around);
sq.setState(t);
if (sq.getState() == SquareType.N_0) {
expandKnown(model, x - 1, y - 1);
expandKnown(model, x - 1, y);
expandKnown(model, x - 1, y + 1);
expandKnown(model, x , y - 1);
expandKnown(model, x, y + 1);
expandKnown(model, x + 1, y - 1);
expandKnown(model, x + 1, y);
expandKnown(model, x + 1, y + 1);
}
}
}
private static int around(Mines model, int x, int y) {
return minesAt(model, x - 1, y - 1)
+ minesAt(model, x - 1, y)
+ minesAt(model, x - 1, y + 1)
+ minesAt(model, x, y - 1)
+ minesAt(model, x, y + 1)
+ minesAt(model, x + 1, y - 1)
+ minesAt(model, x + 1, y)
+ minesAt(model, x + 1, y + 1);
}
private static int minesAt(Mines model, int x, int y) {
if (y < 0 || y >= model.getRows().size()) {
return 0;
}
final List columns = model.getRows().get(y).getColumns();
if (x < 0 || x >= columns.size()) {
return 0;
}
Square sq = columns.get(x);
return sq.isMine() ? 1 : 0;
}
}