@Test
public void testReadmesExample() throws Exception {
// extract the example script
final File readme = new File("README.md");
final String contents = new String(FileUtils.readFile(readme), "UTF-8");
final String telltale = String.format("```python%n");
final int begin = contents.indexOf(telltale) + telltale.length();
assertTrue(begin > telltale.length());
assertTrue(contents.indexOf(telltale, begin) < 0);
final int end = contents.indexOf(String.format("```%n"), begin);
assertTrue(end > 0);
final String snippet = contents.substring(begin, end);
assertTrue(snippet.startsWith("# @ImageJ ij"));
final Context context = new Context();
final ScriptService script = context.getService(ScriptService.class);
// create mock ImageJ gateway
script.addAlias("ImageJ", Mock.class);
final ScriptModule module = script.run("op-example.py", snippet, true).get();
assertNotNull(module);
module.run();
final Mock ij = context.getService(Mock.class);
assertEquals(3, ij.images.size());
assertEquals(11.906, ij.getPixel("sinusoid", 50, 50), 1e-3);
assertEquals(100, ij.getPixel("gradient", 50, 50), 1e-3);
assertEquals(111.906, ij.getPixel("composite", 50, 50), 1e-3);
}
@Test
public void testRot13() throws Exception {
final Context context = new Context(ScriptService.class);
final ScriptService scriptService = context.getService(ScriptService.class);
final ScriptLanguage hello = scriptService.getLanguageByName("Hello");
assertNotNull(hello);
final ScriptLanguage rot13 = scriptService.getLanguageByName("Rot13");
assertEquals(hello, rot13);
assertEquals("Svool", rot13.getScriptEngine().eval("Hello"));
}
@Test
public void testScriptModuleValue() throws Exception {
final Context context = new Context(ScriptService.class);
final ScriptService scriptService = context.getService(ScriptService.class);
final ScriptModule module =
scriptService
.run("test.rot13", ScriptModule.class.getName(), false, (Map<String, Object>) null)
.get();
final ScriptModule scriptModule = Rot13Engine.latestModule;
assertEquals(module, scriptModule);
assertNotNull(scriptModule);
final ScriptInfo info = scriptModule.getInfo();
assertEquals(context, info.context());
}
public static Dataset makeDataset(final Context context, final byte[][] data, final String name) {
final int w = data.length;
final int h = data[0].length;
final ArrayImg<ByteType, ByteArray> img =
new ArrayImgFactory<ByteType>().createByteInstance(new long[] {w, h}, 1);
final ByteType t = new ByteType(img);
img.setLinkedType(t);
final RandomAccess<ByteType> ra = img.randomAccess();
for (int i = 0; i < w; i++) {
ra.setPosition(i, 0);
for (int j = 0; j < h; j++) {
ra.setPosition(j, 1);
ra.get().set(data[i][j]);
}
}
final DatasetService datasetService = context.getService(DatasetService.class);
return datasetService.create(new ImgPlus<ByteType>(img, name, new AxisType[] {Axes.X, Axes.Y}));
}