FileUtilsTestpublic class FileUtilsTest extends android.test.AndroidTestCase
| Fields Summary |
|---|
| private static final String | TEST_DATA | | private File | mDir | | private File | mTestFile | | private File | mCopyFile |
| Methods Summary |
|---|
| private void | assertDirContents(java.lang.String expected)
final HashSet<String> expectedSet = Sets.newHashSet(expected);
String[] actual = mDir.list();
if (actual == null) actual = new String[0];
assertEquals(
"Expected " + Arrays.toString(expected) + " but actual " + Arrays.toString(actual),
expected.length, actual.length);
for (String actualFile : actual) {
assertTrue("Unexpected actual file " + actualFile, expectedSet.contains(actualFile));
}
| | protected void | setUp()
super.setUp();
mDir = getContext().getDir("testing", Context.MODE_PRIVATE);
mTestFile = new File(mDir, "test.file");
mCopyFile = new File(mDir, "copy.file");
| | private void | stageFile(java.io.File file, java.lang.String data)
FileWriter writer = new FileWriter(file);
try {
writer.write(data, 0, data.length());
} finally {
writer.close();
}
| | protected void | tearDown()
IoUtils.deleteContents(mDir);
| | public void | testContains()
assertTrue(FileUtils.contains(new File("/"), new File("/moo.txt")));
assertTrue(FileUtils.contains(new File("/"), new File("/")));
assertTrue(FileUtils.contains(new File("/sdcard"), new File("/sdcard")));
assertTrue(FileUtils.contains(new File("/sdcard/"), new File("/sdcard/")));
assertTrue(FileUtils.contains(new File("/sdcard"), new File("/sdcard/moo.txt")));
assertTrue(FileUtils.contains(new File("/sdcard/"), new File("/sdcard/moo.txt")));
assertFalse(FileUtils.contains(new File("/sdcard"), new File("/moo.txt")));
assertFalse(FileUtils.contains(new File("/sdcard/"), new File("/moo.txt")));
assertFalse(FileUtils.contains(new File("/sdcard"), new File("/sdcard.txt")));
assertFalse(FileUtils.contains(new File("/sdcard/"), new File("/sdcard.txt")));
| | public void | testCopyFile()
stageFile(mTestFile, TEST_DATA);
assertFalse(mCopyFile.exists());
FileUtils.copyFile(mTestFile, mCopyFile);
assertTrue(mCopyFile.exists());
assertEquals(TEST_DATA, FileUtils.readTextFile(mCopyFile, 0, null));
| | public void | testCopyToFile()
final String s = "Foo Bar";
assertFalse(mCopyFile.exists());
FileUtils.copyToFile(new ByteArrayInputStream(s.getBytes()), mCopyFile);
assertTrue(mCopyFile.exists());
assertEquals(s, FileUtils.readTextFile(mCopyFile, 0, null));
| | public void | testDeleteOlderEmptyDir()
FileUtils.deleteOlderFiles(mDir, 10, WEEK_IN_MILLIS);
assertDirContents();
| | public void | testDeleteOlderInFuture()
touch("file1", -HOUR_IN_MILLIS);
touch("file2", HOUR_IN_MILLIS);
touch("file3", WEEK_IN_MILLIS);
assertTrue(FileUtils.deleteOlderFiles(mDir, 0, DAY_IN_MILLIS));
assertDirContents("file1", "file2");
touch("file1", -HOUR_IN_MILLIS);
touch("file2", HOUR_IN_MILLIS);
touch("file3", WEEK_IN_MILLIS);
assertTrue(FileUtils.deleteOlderFiles(mDir, 0, DAY_IN_MILLIS));
assertDirContents("file1", "file2");
| | public void | testDeleteOlderOnlyAge()
touch("file1", HOUR_IN_MILLIS);
touch("file2", 1 * DAY_IN_MILLIS + HOUR_IN_MILLIS);
touch("file3", 2 * DAY_IN_MILLIS + HOUR_IN_MILLIS);
touch("file4", 3 * DAY_IN_MILLIS + HOUR_IN_MILLIS);
touch("file5", 4 * DAY_IN_MILLIS + HOUR_IN_MILLIS);
assertTrue(FileUtils.deleteOlderFiles(mDir, 0, DAY_IN_MILLIS));
assertFalse(FileUtils.deleteOlderFiles(mDir, 0, DAY_IN_MILLIS));
assertDirContents("file1");
| | public void | testDeleteOlderOnlyCount()
touch("file1", HOUR_IN_MILLIS);
touch("file2", 1 * DAY_IN_MILLIS + HOUR_IN_MILLIS);
touch("file3", 2 * DAY_IN_MILLIS + HOUR_IN_MILLIS);
touch("file4", 3 * DAY_IN_MILLIS + HOUR_IN_MILLIS);
touch("file5", 4 * DAY_IN_MILLIS + HOUR_IN_MILLIS);
assertTrue(FileUtils.deleteOlderFiles(mDir, 2, 0));
assertFalse(FileUtils.deleteOlderFiles(mDir, 2, 0));
assertDirContents("file1", "file2");
| | public void | testDeleteOlderTypical()
touch("file1", HOUR_IN_MILLIS);
touch("file2", 1 * DAY_IN_MILLIS + HOUR_IN_MILLIS);
touch("file3", 2 * DAY_IN_MILLIS + HOUR_IN_MILLIS);
touch("file4", 3 * DAY_IN_MILLIS + HOUR_IN_MILLIS);
touch("file5", 4 * DAY_IN_MILLIS + HOUR_IN_MILLIS);
assertTrue(FileUtils.deleteOlderFiles(mDir, 3, DAY_IN_MILLIS));
assertDirContents("file1", "file2", "file3");
| | public void | testIsFilenameSafe()
assertTrue(FileUtils.isFilenameSafe(new File("foobar")));
assertTrue(FileUtils.isFilenameSafe(new File("a_b-c=d.e/0,1+23")));
assertFalse(FileUtils.isFilenameSafe(new File("foo*bar")));
assertFalse(FileUtils.isFilenameSafe(new File("foo\nbar")));
| | public void | testReadTextFile()
stageFile(mTestFile, TEST_DATA);
assertEquals(TEST_DATA, FileUtils.readTextFile(mTestFile, 0, null));
assertEquals("ABCDE", FileUtils.readTextFile(mTestFile, 5, null));
assertEquals("ABCDE<>", FileUtils.readTextFile(mTestFile, 5, "<>"));
assertEquals(TEST_DATA.substring(0, 51) + "<>",
FileUtils.readTextFile(mTestFile, 51, "<>"));
assertEquals(TEST_DATA, FileUtils.readTextFile(mTestFile, 52, "<>"));
assertEquals(TEST_DATA, FileUtils.readTextFile(mTestFile, 100, "<>"));
assertEquals("vwxyz", FileUtils.readTextFile(mTestFile, -5, null));
assertEquals("<>vwxyz", FileUtils.readTextFile(mTestFile, -5, "<>"));
assertEquals("<>" + TEST_DATA.substring(1, 52),
FileUtils.readTextFile(mTestFile, -51, "<>"));
assertEquals(TEST_DATA, FileUtils.readTextFile(mTestFile, -52, "<>"));
assertEquals(TEST_DATA, FileUtils.readTextFile(mTestFile, -100, "<>"));
| | public void | testReadTextFileWithZeroLengthFile()
stageFile(mTestFile, TEST_DATA);
new FileOutputStream(mTestFile).close(); // Zero out the file
assertEquals("", FileUtils.readTextFile(mTestFile, 0, null));
assertEquals("", FileUtils.readTextFile(mTestFile, 1, "<>"));
assertEquals("", FileUtils.readTextFile(mTestFile, 10, "<>"));
assertEquals("", FileUtils.readTextFile(mTestFile, -1, "<>"));
assertEquals("", FileUtils.readTextFile(mTestFile, -10, "<>"));
| | public void | testValidExtFilename()
assertTrue(FileUtils.isValidExtFilename("a"));
assertTrue(FileUtils.isValidExtFilename("foo.bar"));
assertTrue(FileUtils.isValidExtFilename("foo bar.baz"));
assertTrue(FileUtils.isValidExtFilename("foo.bar.baz"));
assertTrue(FileUtils.isValidExtFilename(".bar"));
assertTrue(FileUtils.isValidExtFilename("foo~!@#$%^&*()_[]{}+bar"));
assertFalse(FileUtils.isValidExtFilename(null));
assertFalse(FileUtils.isValidExtFilename("."));
assertFalse(FileUtils.isValidExtFilename("../foo"));
assertFalse(FileUtils.isValidExtFilename("/foo"));
assertEquals(".._foo", FileUtils.buildValidExtFilename("../foo"));
assertEquals("_foo", FileUtils.buildValidExtFilename("/foo"));
assertEquals("foo_bar", FileUtils.buildValidExtFilename("foo\0bar"));
assertEquals(".foo", FileUtils.buildValidExtFilename(".foo"));
assertEquals("foo.bar", FileUtils.buildValidExtFilename("foo.bar"));
| | public void | testValidFatFilename()
assertTrue(FileUtils.isValidFatFilename("a"));
assertTrue(FileUtils.isValidFatFilename("foo bar.baz"));
assertTrue(FileUtils.isValidFatFilename("foo.bar.baz"));
assertTrue(FileUtils.isValidFatFilename(".bar"));
assertTrue(FileUtils.isValidFatFilename("foo.bar"));
assertTrue(FileUtils.isValidFatFilename("foo bar"));
assertTrue(FileUtils.isValidFatFilename("foo+bar"));
assertTrue(FileUtils.isValidFatFilename("foo,bar"));
assertFalse(FileUtils.isValidFatFilename("foo*bar"));
assertFalse(FileUtils.isValidFatFilename("foo?bar"));
assertFalse(FileUtils.isValidFatFilename("foo<bar"));
assertFalse(FileUtils.isValidFatFilename(null));
assertFalse(FileUtils.isValidFatFilename("."));
assertFalse(FileUtils.isValidFatFilename("../foo"));
assertFalse(FileUtils.isValidFatFilename("/foo"));
assertEquals(".._foo", FileUtils.buildValidFatFilename("../foo"));
assertEquals("_foo", FileUtils.buildValidFatFilename("/foo"));
assertEquals(".foo", FileUtils.buildValidFatFilename(".foo"));
assertEquals("foo.bar", FileUtils.buildValidFatFilename("foo.bar"));
assertEquals("foo_bar__baz", FileUtils.buildValidFatFilename("foo?bar**baz"));
| | private void | touch(java.lang.String name, long age)
final File file = new File(mDir, name);
file.createNewFile();
file.setLastModified(System.currentTimeMillis() - age);
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