@Test public void testExtractZipFile() throws IOException { ImmutableSet<String> filesToExtract = ImmutableSet.of(); File extractFolder = tmpFolder.newFolder(); UnzipStep.extractZipFile( zipFile.getAbsolutePath(), extractFolder.getAbsolutePath(), filesToExtract, false); assertTrue(new File(extractFolder.getAbsolutePath() + "/1.bin").exists()); File bin2 = new File(extractFolder.getAbsolutePath() + "/subdir/2.bin"); assertTrue(bin2.exists()); assertTrue(new File(extractFolder.getAbsolutePath() + "/emptydir").isDirectory()); try (FileInputStream input = new FileInputStream(bin2)) { byte[] buffer = new byte[DUMMY_FILE_CONTENTS.length]; int bytesRead = input.read(buffer, 0, DUMMY_FILE_CONTENTS.length); assertEquals(DUMMY_FILE_CONTENTS.length, bytesRead); for (int i = 0; i < DUMMY_FILE_CONTENTS.length; i++) { assertEquals(DUMMY_FILE_CONTENTS[i], buffer[i]); } } }