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package com.healthmarketscience.jackcess;
import java.io.File;
import java.io.IOException;
import java.nio.channels.FileChannel;
import java.util.ArrayList;
import java.util.EnumSet;
import java.util.List;
import java.util.Set;
import junit.framework.TestCase;
import static com.healthmarketscience.jackcess.Database.*;
/**
* @author Dan Rollo
* Date: Mar 5, 2010
* Time: 12:44:21 PM
*/
public class JetFormatTest extends TestCase {
private static final File DIR_TEST_DATA = new File("test/data");
/**
* Defines known valid db test file base names.
*/
public static enum Basename {
BIG_INDEX("bigIndexTest"),
COMP_INDEX("compIndexTest"),
DEL_COL("delColTest"),
DEL("delTest"),
FIXED_NUMERIC("fixedNumericTest"),
FIXED_TEXT("fixedTextTest"),
INDEX_CURSOR("indexCursorTest"),
INDEX("indexTest"),
OVERFLOW("overflowTest"),
QUERY("queryTest"),
TEST("test"),
TEST2("test2"),
INDEX_CODES("testIndexCodes"),
INDEX_PROPERTIES("testIndexProperties"),
PROMOTION("testPromotion"),
;
private final String _basename;
Basename(String fileBasename) {
_basename = fileBasename;
}
@Override
public String toString() { return _basename; }
}
/** Defines currently supported db file formats. */
final static FileFormat[] SUPPORTED_FILEFORMATS =
new FileFormat[] {
FileFormat.V2000,
FileFormat.V2003,
FileFormat.V2007,
};
/**
* Defines known valid test database files, and their jet format version.
*/
public static final class TestDB {
private final File dbFile;
private final FileFormat expectedFileFormat;
private TestDB(File databaseFile,
FileFormat expectedDBFileFormat) {
dbFile = databaseFile;
expectedFileFormat = expectedDBFileFormat;
}
public final File getFile() { return dbFile; }
public final FileFormat getExpectedFileFormat() {
return expectedFileFormat;
}
public final JetFormat getExpectedFormat() {
return expectedFileFormat.getJetFormat();
}
@Override
public final String toString() {
return "dbFile: " + dbFile.getAbsolutePath()
+ "; expectedFileFormat: " + expectedFileFormat;
}
public static List<TestDB> getSupportedForBasename(Basename basename) {
String testFormatStr = System.getProperty("com.healthmarketscience.jackcess.testFormats");
Set<FileFormat> testFormats = EnumSet.allOf(FileFormat.class);
if((testFormatStr != null) && (testFormatStr.length() > 0)) {
testFormats = EnumSet.noneOf(FileFormat.class);
for(String tmp : testFormatStr.split(",")) {
testFormats.add(FileFormat.valueOf(tmp.toUpperCase()));
}
}
List<TestDB> supportedTestDBs = new ArrayList<TestDB>();
for (FileFormat fileFormat : SUPPORTED_FILEFORMATS) {
if(!testFormats.contains(fileFormat)) {
continue;
}
supportedTestDBs.add(new TestDB(
getFileForBasename(basename, fileFormat),
fileFormat));
}
return supportedTestDBs;
}
private static File getFileForBasename(
Basename basename, FileFormat fileFormat) {
return new File(DIR_TEST_DATA,
fileFormat.name() + File.separator +
basename + fileFormat.name() +
fileFormat.getFileExtension());
}
}
private static final File UNSUPPORTED_TEST_V1997 =
new File(DIR_TEST_DATA, "V1997" + File.separator +
Basename.TEST + "V1997.mdb");
static final List<TestDB> SUPPORTED_DBS_TEST =
TestDB.getSupportedForBasename(Basename.TEST);
public void testGetFormat() throws Exception {
try {
JetFormat.getFormat(null);
fail("npe");
} catch (NullPointerException e) {
// success
}
checkUnsupportedJetFormat(UNSUPPORTED_TEST_V1997);
for (final TestDB testDB : SUPPORTED_DBS_TEST) {
checkJetFormat(testDB);
}
}
private static void checkJetFormat(final TestDB testDB)
throws IOException {
final FileChannel channel = Database.openChannel(testDB.dbFile, false);
try {
JetFormat fmtActual = JetFormat.getFormat(channel);
assertEquals("Unexpected JetFormat for dbFile: " +
testDB.dbFile.getAbsolutePath(),
testDB.expectedFileFormat.getJetFormat(), fmtActual);
} finally {
channel.close();
}
}
private static void checkUnsupportedJetFormat(File testDB)
throws IOException {
final FileChannel channel = Database.openChannel(testDB, false);
try {
JetFormat.getFormat(channel);
fail("Unexpected JetFormat for dbFile: " +
testDB.getAbsolutePath());
} catch(IOException ignored) {
// success
} finally {
channel.close();
}
}
}
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