[WIP] Start on unit tests

attic/testsuite/archiver.py

@@ -262,6 +262,23 @@ def test_exclude_caches(self):
         self.assert_equal(sorted(os.listdir('output/input')), ['cache2', 'file1'])
         self.assert_equal(sorted(os.listdir('output/input/cache2')), ['CACHEDIR.TAG'])
 
+    def test_files_from(self):
+        self._test_files_from_option(self, delim='\n', option='--files-from')
+
+    def test_files_from0(self):
+        self._test_files_from_option(self, delim='\0', option='--files-from0')
+
+    def _test_files_from_option(self, *, delim, option):
+        self.attic('init', self.repository_location)
+        for filename in ['file1', 'non-listed/file', 'listed/file']:
+            self.create_regular_file(filename, size=1024 * 80)
+        listed_files = sorted(['file1', 'listed/file'])
+        self.create_regular_file('filelist', contents=delim.join(listed_files))
+        self.attic('create', option + '=filelist', self.repository_location + '::test')
+        with changedir('output'):
+            self.attic('extract', self.repository_location + '::test')
+        self.assert_equal(sorted(os.listdir('output/input'), listed_files))
+
     def test_path_normalization(self):
         self.attic('init', self.repository_location)
         self.create_regular_file('dir1/dir2/file', size=1024 * 80)