/** Set up a clean database before we do the testing on it. */
@Before
public void setup() {
// create workding dir
(new File(this.path)).mkdirs();
// make sure the old file is deleted
new File(this.dbFile).delete();
arff.delete();
csv.delete();
try {
this.database = new Database(this.dbFile);
this.selCon = new SelectionController();
this.subCon = new SubspaceController(database);
this.grCon = new GroupController(database, subCon);
this.daHub = new DataHub(database, grCon, subCon);
arff.createNewFile();
csv.createNewFile();
} catch (IllegalArgumentException e) {
Assert.fail("Database setup failed; path is invalid: " + e.getMessage());
} catch (InvalidDriverException e) {
Assert.fail("Database setup failed; SQL driver is invalid: " + e.getMessage());
} catch (DatabaseAccessException e) {
Assert.fail("Database setup failed; connection could not be created: " + e.getMessage());
} catch (IncompatibleVersionException e) {
Assert.fail("Database setup failed; connection could not be created: " + e.getMessage());
} catch (IOException e) {
Assert.fail(e.getClass().toString());
}
}
/** Test the correct behavior of a in-memory database. */
@Test
public void inMemoryTest() {
Database database = null;
String path = ":memory:";
try {
database = new Database(path);
} catch (InvalidDriverException e) {
fail(e.getMessage());
} catch (IncompatibleVersionException e) {
fail(e.getMessage());
} catch (DatabaseAccessException e) {
fail(e.getMessage());
}
// path should be :memory: only
if (database != null) {
assertEquals(database.getPath(), path);
}
// all other tests have to work on a in-memory database as well
String[] features = {"dim0", "dim1", "dim2"};
boolean[] outlierFlags = {false, false, true};
float[][] objects = {{1.1f, 1.2f, 1.3f}, {2.1f, 2.2f, 2.3f}, {3.1f, 3.2f, 3.3f}};
try {
this.database.initFeatures(features, outlierFlags);
this.database.pushSubspace(1, new int[] {2, 3}, "testSubspace");
this.database.pushObject(objects);
this.database.updateFeaturesMinMax();
} catch (DatabaseAccessException e) {
fail("In-memory database is not working correctly.");
}
}
/** Clean up, after testing. */
@After
public void tearDown() {
// shutdown
try {
this.database.shutdown();
} catch (DatabaseAccessException e) {
fail(e.getMessage());
}
// clean up database
if (this.database != null) {
assertEquals(true, (new File(this.dbFile)).delete());
}
}
/** Clean up, after testing. */
@After
public void tearDown() {
// shutdown
try {
this.database.shutdown();
} catch (DatabaseAccessException ex) {
Assert.fail("Databus shutdown fail: " + ex.getMessage());
}
// clean up database
if (this.database != null) {
Assert.assertEquals(true, new File(this.dbFile).delete());
}
if (arff.exists()) arff.delete();
if (csv.exists()) csv.delete();
if (ssd.exists()) ssd.delete();
}
/** Set up a clean database before we do the testing on it. */
@Before
public void setup() {
// create working directory
(new File(this.path)).mkdirs();
// make sure the old file is deleted
(new File(this.dbFile)).delete();
try {
this.database = new Database(this.dbFile);
} catch (InvalidDriverException e) {
fail(e.getMessage());
} catch (IncompatibleVersionException e) {
fail(e.getMessage());
} catch (DatabaseAccessException e) {
fail(e.getMessage());
}
}