wrap tests

tests/test_wrap.py

@@ -0,0 +1,105 @@
+from __future__ import unicode_literals
+
+import unittest
+
+from fs import errors
+from fs import open_fs
+from fs import wrap
+
+
+class TestWrap(unittest.TestCase):
+
+    def test_readonly(self):
+        mem_fs = open_fs('mem://')
+        fs = wrap.read_only(mem_fs)
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.open('foo', 'w')
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.appendtext('foo', 'bar')
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.appendbytes('foo', b'bar')
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.makedir('foo')
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.move('foo', 'bar')
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.openbin('foo', 'w')
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.remove('foo')
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.removedir('foo')
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.setinfo('foo', {})
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.settimes('foo', {})
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.copy('foo', 'bar')
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.create('foo')
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.settext('foo', 'bar')
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.setbytes('foo', b'bar')
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.makedirs('foo/bar')
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.touch('foo')
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.setbin('foo', None)
+
+        with self.assertRaises(errors.ResourceReadOnly):
+            fs.setfile('foo', None)
+
+        self.assertTrue(mem_fs.isempty('/'))
+        mem_fs.setbytes('file', b'read me')
+        with fs.openbin('file') as read_file:
+            self.assertEqual(read_file.read(), b'read me')
+
+        with fs.open('file', 'rb') as read_file:
+            self.assertEqual(read_file.read(), b'read me')
+
+    def test_cachedir(self):
+        mem_fs = open_fs('mem://')
+        mem_fs.makedirs('foo/bar/baz')
+        mem_fs.touch('egg')
+
+        fs = wrap.cache_directory(mem_fs)
+        self.assertEqual(
+            sorted(fs.listdir('/')),
+            ['egg', 'foo']
+        )
+        self.assertEqual(
+            sorted(fs.listdir('/')),
+            ['egg', 'foo']
+        )
+        self.assertTrue(fs.isdir('foo'))
+        self.assertTrue(fs.isdir('foo'))
+        self.assertTrue(fs.isfile('egg'))
+        self.assertTrue(fs.isfile('egg'))
+
+        self.assertEqual(fs.getinfo('foo'), mem_fs.getinfo('foo'))
+        self.assertEqual(fs.getinfo('foo'), mem_fs.getinfo('foo'))
+
+        self.assertEqual(fs.getinfo('/'), mem_fs.getinfo('/'))
+        self.assertEqual(fs.getinfo('/'), mem_fs.getinfo('/'))
+
+        with self.assertRaises(errors.ResourceNotFound):
+            fs.getinfo('/foofoo')
+