Tue, 28 Jul 2020 14:44:48 +0200
adds solver test
package de.uapcore.sudoku; import org.junit.jupiter.api.AfterEach; import org.junit.jupiter.api.BeforeEach; import org.junit.jupiter.api.Test; import javax.swing.*; import java.awt.*; import java.awt.event.KeyEvent; import java.lang.reflect.InvocationTargetException; import java.util.concurrent.TimeUnit; import static org.junit.jupiter.api.Assertions.*; class SudokuTextFieldTest { private void dispatch(SudokuTextField tf, KeyEvent pressed) { final var released = new KeyEvent(tf, KeyEvent.KEY_RELEASED, pressed.getWhen()+1, pressed.getModifiersEx(), pressed.getKeyCode(), pressed.getKeyChar()); final KeyEvent typed; if (pressed.getKeyChar() != KeyEvent.CHAR_UNDEFINED) { typed = new KeyEvent(tf, KeyEvent.KEY_TYPED, pressed.getWhen(), pressed.getModifiersEx(), KeyEvent.VK_UNDEFINED, pressed.getKeyChar()); } else { typed = null; } tf.requestFocusInWindow(); tf.dispatchEvent(pressed); if (typed != null) { tf.dispatchEvent(typed); } tf.dispatchEvent(released); } private JFrame testFrame; @BeforeEach void createTestFrame() { // we have to use a visible frame for the events to be dispatched testFrame = new JFrame(); testFrame.setVisible(true); } @AfterEach void disposeTestFrame() { testFrame.setVisible(false); testFrame.dispose(); } private SudokuTextField createTestSubject() { final var tf = new SudokuTextField(); testFrame.add(tf); return tf; } @Test void setValue() { // given final var tf = createTestSubject(); for (int i = 0 ; i <= 9 ; i++) { // when tf.setValue(i); // then assertEquals(i, tf.getValue()); assertEquals(i == 0 ? "" : String.valueOf(i), tf.getText()); assertFalse(tf.isModified()); } } @Test void setInvalidValue() { // given final var tf = createTestSubject(); // when / then assertThrows(IllegalArgumentException.class, () -> tf.setValue(10)); assertThrows(IllegalArgumentException.class, () -> tf.setValue(-1)); assertFalse(tf.isModified()); } @Test void testModifiedByCall() { // given final var tf = createTestSubject(); // then initially assertFalse(tf.isModified()); // when tf.setModified(true); // then assertTrue(tf.isModified()); // when tf.setModified(false); // then assertFalse(tf.isModified()); } @Test void testModifiedByKeystroke() throws InvocationTargetException, InterruptedException { // given final var tf = createTestSubject(); assertFalse(tf.isModified()); final var event = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(), 0, KeyEvent.VK_4, '4'); SwingUtilities.invokeAndWait(() -> { // when dispatch(tf, event); // then assertTrue(tf.isModified()); }); } @Test void testTextChangeByKeystore() throws InvocationTargetException, InterruptedException { // given final var tf = createTestSubject(); assertEquals("", tf.getText()); final var event = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(), 0, KeyEvent.VK_4, '4'); SwingUtilities.invokeAndWait(() -> { // when dispatch(tf, event); // then assertEquals("4", tf.getText()); }); } @Test void testNumpad() throws InvocationTargetException, InterruptedException { // given final var tf = createTestSubject(); assertEquals("", tf.getText()); final var event = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(), 0, KeyEvent.VK_NUMPAD4, '4'); SwingUtilities.invokeAndWait(() -> { // when dispatch(tf, event); // then assertEquals("4", tf.getText()); }); } @Test void testTextOverwriteByKeystore() throws InvocationTargetException, InterruptedException { // given final var tf = createTestSubject(); tf.setText("6"); tf.selectAll(); final var event = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(), 0, KeyEvent.VK_4, '4'); SwingUtilities.invokeAndWait(() -> { // when dispatch(tf, event); // then assertEquals("4", tf.getText()); }); } @Test void testNumbersOnly() throws InvocationTargetException, InterruptedException { // given final var tf = createTestSubject(); tf.setText("6"); tf.selectAll(); final var event = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(), 0, KeyEvent.VK_A, 'a'); SwingUtilities.invokeAndWait(() -> { // when dispatch(tf, event); // then assertEquals("6", tf.getText()); }); } @Test void testSingleDigit() throws InvocationTargetException, InterruptedException { // given final var tf = createTestSubject(); assertEquals("", tf.getText()); final var firstEvent = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(), 0, KeyEvent.VK_A, '4'); final var secondEvent = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(), 0, KeyEvent.VK_A, '6'); SwingUtilities.invokeAndWait(() -> { // when dispatch(tf, firstEvent); dispatch(tf, secondEvent); // then assertEquals("4", tf.getText()); }); } @Test void testBackspace() throws InvocationTargetException, InterruptedException { // given final var tf = createTestSubject(); assertEquals("", tf.getText()); final var typeFour = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(), 0, KeyEvent.VK_A, '4'); final var typeBackspace = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(), 0, KeyEvent.VK_BACK_SPACE, KeyEvent.CHAR_UNDEFINED); final var typeSix = new KeyEvent(tf, KeyEvent.KEY_PRESSED, System.currentTimeMillis(), 0, KeyEvent.VK_A, '6'); SwingUtilities.invokeAndWait(() -> { // when dispatch(tf, typeFour); dispatch(tf, typeBackspace); dispatch(tf, typeSix); // then assertEquals("6", tf.getText()); }); } @Test void testFocusGained() throws InvocationTargetException, InterruptedException { final var tf = createTestSubject(); SwingUtilities.invokeAndWait(() -> { // given tf.setText("5"); assertNull(tf.getSelectedText()); // when tf.requestFocusInWindow(); }); // give WM time to deliver the event TimeUnit.MILLISECONDS.sleep(100); // then SwingUtilities.invokeAndWait(() -> assertEquals("5", tf.getSelectedText())); } @Test void testFocusLost() throws InvocationTargetException, InterruptedException { final var tf = createTestSubject(); final var focusStealer = new TextField(); testFrame.add(focusStealer); SwingUtilities.invokeAndWait(() -> { // given tf.setText("5"); tf.selectAll(); assertEquals("5", tf.getSelectedText()); // when focusStealer.requestFocusInWindow(); }); // give WM time to deliver the event TimeUnit.MILLISECONDS.sleep(100); // then SwingUtilities.invokeAndWait(() -> assertNull(tf.getSelectedText())); } @Test void testFont() { final var tf = new SudokuTextField(); assertEquals(18, tf.getFont().getSize()); } @Test void testAlignment() { final var tf = new SudokuTextField(); assertEquals(JTextField.CENTER, tf.getHorizontalAlignment()); } @Test void testBackground() { final var tf = new SudokuTextField(); assertEquals(Color.WHITE, tf.getBackground()); } @Test void testSize() { final var tf = new SudokuTextField(); final var expected = new Dimension(40, 40); assertEquals(expected, tf.getMinimumSize()); assertEquals(expected, tf.getPreferredSize()); assertEquals(expected, tf.getMaximumSize()); } @Test void testBorder() { final var tf = new SudokuTextField(); assertNull(tf.getBorder()); } }