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package de.test.antennapod.util;
import android.content.Context;
import androidx.test.platform.app.InstrumentationRegistry;
import androidx.test.filters.SmallTest;
import android.text.TextUtils;
import java.io.File;
import java.io.IOException;
import de.danoeh.antennapod.core.util.FileNameGenerator;
import org.apache.commons.lang3.StringUtils;
import org.junit.After;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertTrue;
@SmallTest
public class FilenameGeneratorTest {
public FilenameGeneratorTest() {
super();
}
@Test
public void testGenerateFileName() throws IOException {
String result = FileNameGenerator.generateFileName("abc abc");
assertEquals(result, "abc abc");
createFiles(result);
}
@Test
public void testGenerateFileName1() throws IOException {
String result = FileNameGenerator.generateFileName("ab/c: <abc");
assertEquals(result, "abc abc");
createFiles(result);
}
@Test
public void testGenerateFileName2() throws IOException {
String result = FileNameGenerator.generateFileName("abc abc ");
assertEquals(result, "abc abc");
createFiles(result);
}
@Test
public void testFeedTitleContainsApostrophe() {
String result = FileNameGenerator.generateFileName("Feed's Title ...");
assertEquals("Feeds Title", result);
}
@Test
public void testFeedTitleContainsDash() {
String result = FileNameGenerator.generateFileName("Left - Right");
assertEquals("Left - Right", result);
}
@Test
public void testFeedTitleContainsAccents() {
String result = FileNameGenerator.generateFileName("Äàáâãå");
assertEquals("Aaaaaa", result);
}
@Test
public void testInvalidInput() {
String result = FileNameGenerator.generateFileName("???");
assertFalse(TextUtils.isEmpty(result));
}
@Test
public void testLongFilename() throws IOException {
String longName = StringUtils.repeat("x", 20 + FileNameGenerator.MAX_FILENAME_LENGTH);
String result = FileNameGenerator.generateFileName(longName);
assertTrue(result.length() <= FileNameGenerator.MAX_FILENAME_LENGTH);
createFiles(result);
}
@Test
public void testLongFilenameNotEquals() {
// Verify that the name is not just trimmed and different suffixes end up with the same name
String longName = StringUtils.repeat("x", 20 + FileNameGenerator.MAX_FILENAME_LENGTH);
String result1 = FileNameGenerator.generateFileName(longName + "a");
String result2 = FileNameGenerator.generateFileName(longName + "b");
assertNotEquals(result1, result2);
}
/**
* Tests if files can be created.
*
* @throws IOException
*/
private void createFiles(String name) throws IOException {
File cache = InstrumentationRegistry.getInstrumentation().getTargetContext().getExternalCacheDir();
File testFile = new File(cache, name);
testFile.mkdir();
assertTrue(testFile.exists());
testFile.delete();
assertTrue(testFile.createNewFile());
}
}
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