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sarxossarxos
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Small unit tests for WebcamPanel
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3 files changed

+174
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‎webcam-capture/src/test/java/com/github/sarxos/webcam/WebcamPanelTest.java‎

Lines changed: 149 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,149 @@
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package com.github.sarxos.webcam;
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import java.awt.Dimension;
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import java.awt.image.BufferedImage;
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import javax.swing.JFrame;
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import org.assertj.core.api.Assertions;
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import org.junit.Test;
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import com.github.sarxos.webcam.WebcamPanel.DrawMode;
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import com.github.sarxos.webcam.ds.test.DummyDriver;
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public class WebcamPanelTest {
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@Test
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public void test_size() throws InterruptedException {
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Webcam.setDriver(new DummyDriver());
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final Webcam w = Webcam.getDefault();
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final WebcamPanel p = new WebcamPanel(w);
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w.open();
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p.repaint();
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final BufferedImage bi = w.getImage();
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final Dimension d = p.getPreferredSize();
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Assertions
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.assertThat(d.getWidth())
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.isEqualTo(bi.getWidth());
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Assertions
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.assertThat(d.getHeight())
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.isEqualTo(bi.getHeight());
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p.stop();
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w.close();
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}
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@Test
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public void test_sizeSpecified() throws InterruptedException {
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Webcam.setDriver(new DummyDriver());
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final Webcam w = Webcam.getDefault();
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final WebcamPanel p = new WebcamPanel(w, new Dimension(256, 345), false);
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w.open();
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p.repaint();
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final Dimension d = p.getPreferredSize();
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Assertions
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.assertThat(d.getWidth())
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.isEqualTo(256);
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Assertions
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.assertThat(d.getHeight())
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.isEqualTo(345);
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p.stop();
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w.close();
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}
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@Test
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public void test_modeFill() throws InterruptedException {
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Webcam.setDriver(new DummyDriver());
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final Webcam w = Webcam.getDefault();
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w.open();
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final WebcamPanel p = new WebcamPanel(w, new Dimension(256, 345), false);
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p.setDrawMode(DrawMode.FILL);
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p.start();
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Assertions
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.assertThat(p.getDrawMode())
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.isEqualTo(DrawMode.FILL);
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final JFrame frame = new JFrame();
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frame.setContentPane(p);
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frame.pack();
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Thread.sleep(100);
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frame.dispose();
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p.stop();
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w.close();
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}
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@Test
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public void test_modeFit() throws InterruptedException {
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Webcam.setDriver(new DummyDriver());
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final Webcam w = Webcam.getDefault();
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w.open();
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final WebcamPanel p = new WebcamPanel(w, new Dimension(256, 345), false);
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p.setDrawMode(DrawMode.FIT);
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p.start();
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Assertions
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.assertThat(p.getDrawMode())
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.isEqualTo(DrawMode.FIT);
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final JFrame frame = new JFrame();
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frame.setContentPane(p);
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frame.pack();
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Thread.sleep(100);
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frame.dispose();
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p.stop();
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w.close();
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}
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@Test
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public void test_modeNone() throws InterruptedException {
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Webcam.setDriver(new DummyDriver());
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final Webcam w = Webcam.getDefault();
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w.open();
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final WebcamPanel p = new WebcamPanel(w, new Dimension(256, 345), false);
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p.setDrawMode(DrawMode.NONE);
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p.start();
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Assertions
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.assertThat(p.getDrawMode())
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.isEqualTo(DrawMode.NONE);
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final JFrame frame = new JFrame();
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frame.setContentPane(p);
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frame.pack();
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Thread.sleep(100);
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frame.dispose();
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p.stop();
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w.close();
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}
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}

‎webcam-capture/src/test/java/com/github/sarxos/webcam/ds/test/DummyDevice.java‎

Lines changed: 20 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -42,21 +42,37 @@ public void setResolution(Dimension size) {
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this.size = size;
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}
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private int mx = 1;
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private int my = 1;
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private int r = 10;
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private int x = r;
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private int y = r;
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@Override
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public BufferedImage getImage() {
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if (!open) {
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throw new WebcamException("Not open");
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}
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BufferedImage bi = new BufferedImage(size.width, size.height, BufferedImage.TYPE_INT_RGB);
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Graphics2D g2 = bi.createGraphics();
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final BufferedImage bi = new BufferedImage(size.width, size.height, BufferedImage.TYPE_INT_RGB);
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final Graphics2D g2 = bi.createGraphics();
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g2.setColor(Color.RED);
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g2.fillRect(0, 0, size.width, size.height);
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g2.drawString(getName(), 20, 20);
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g2.setColor(Color.BLACK);
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g2.drawString(getName(), 10, 20);
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g2.setColor(Color.WHITE);
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g2.drawOval(x += mx, y += my, r, r);
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g2.dispose();
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bi.flush();
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if (x <= 0 + r || x >= size.width - r) {
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mx = -mx;
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}
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if (y <= 0 + r || y >= size.height - r) {
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my = -my;
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}
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return bi;
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}
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@@ -70,6 +86,7 @@ public void close() {
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open = false;
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}
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@Override
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public boolean isOpen() {
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return open;
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}

‎webcam-capture/src/test/java/com/github/sarxos/webcam/ds/test/DummyDriver.java‎

Lines changed: 5 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -11,15 +11,15 @@
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public class DummyDriver implements WebcamDriver {
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private static final List<WebcamDevice> DEVICES = new ArrayList<WebcamDevice>(Arrays.asList(new WebcamDevice[] {
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new DummyDevice(),
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new DummyDevice(),
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new DummyDevice(),
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new DummyDevice(),
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new DummyDevice(),
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new DummyDevice(),
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new DummyDevice(),
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new DummyDevice(),
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}));
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private static DummyDriver instance = null;
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public DummyDriver() throws InstantiationException {
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public DummyDriver() {
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if (instance == null) {
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instance = this;
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}
@@ -38,5 +38,4 @@ public List<WebcamDevice> getDevices() {
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public boolean isThreadSafe() {
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return false;
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}
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}

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