Replace plat_other with one supporting the XDG Trash spec

Added tests for plat_other

test_plat_other.py

@@ -0,0 +1,80 @@
+import unittest
+import os
+from os import path as op
+from send2trash.plat_other import send2trash
+from configparser import ConfigParser
+#
+# Warning: This test will shit up your Trash folder with test.txt files.
+#
+class TestHomeTrash(unittest.TestCase):
+  def setUp(self):
+    self.filePath = op.expanduser("~/test.txt")
+
+  def test_trash(self):
+    os.system('touch ' + self.filePath)
+    send2trash(self.filePath)
+    self.assertFalse(op.exists(self.filePath))
+
+#
+# Following cases use sudo, require ramfs
+#
+class TestRamFs(unittest.TestCase):
+  def setUp(self):
+    # Create a ramfs thingy.
+    self.trashFolder = '/tmp/trashtest'
+    os.system('sudo mkdir ' + self.trashFolder)
+    os.system('sudo mount -t ramfs none ' + self.trashFolder)
+    self.fileName = 'test.txt'
+    self.filePath = op.join(self.trashFolder, self.fileName)
+
+  def tearDown(self):
+    os.system('sudo umount ' + self.trashFolder)
+    os.system('sudo rmdir ' + self.trashFolder)
+
+class TestTopdirTrash(TestRamFs):
+  def setUp(self):
+    TestRamFs.setUp(self)
+    # Create a .Trash dir w/ a sticky bit
+    os.system('sudo chmod a+w ' + self.trashFolder)
+    os.system('sudo mkdir ' + op.join(self.trashFolder, '.Trash'))
+    os.system('sudo chmod a+wt ' + op.join(self.trashFolder, '.Trash'))
+
+  def test_trash(self):
+    os.system('touch ' + self.filePath)
+    send2trash(self.filePath)
+    self.assertFalse(op.exists(self.filePath))
+    self.assertTrue(op.exists(op.join(self.trashFolder, '.Trash', str(os.getuid()), 'files', self.fileName)))
+    self.assertTrue(op.exists(op.join(self.trashFolder, '.Trash', str(os.getuid()), 'info', self.fileName + '.trashinfo')))
+    # info relative path (if another test is added, with the same fileName/Path,
+    # then it gets renamed etc.)
+    cfg = ConfigParser()
+    cfg.read(op.join(self.trashFolder, '.Trash', str(os.getuid()), 'info', self.fileName + '.trashinfo'))
+    self.assertEqual(self.fileName, cfg.get('Trash Info', 'Path', 1))
+
+# Test .Trash-UID
+class TestTopdirTrashFallback(TestRamFs):
+  def setUp(self):
+    TestRamFs.setUp(self)
+    # DONT Create a .Trash dir, but make sure the topdir is writable for uid dir
+    os.system('sudo chmod a+w ' + self.trashFolder)
+
+  def test_trash(self):
+    os.system('touch ' + self.filePath)
+    send2trash(self.filePath)
+    self.assertFalse(op.exists(self.filePath))
+    self.assertTrue(op.exists(op.join(self.trashFolder, '.Trash-' + str(os.getuid()), 'files', self.fileName)))
+
+# Test failure
+class TestTopdirFailure(TestRamFs):
+  def test_trash(self):
+    # a file to call our own
+    os.system('sudo chmod o+w ' + self.trashFolder)
+    os.system('touch ' + self.filePath)
+    os.system('sudo chmod o-w ' + self.trashFolder)
+
+    with self.assertRaises(OSError):
+      send2trash(self.filePath)
+    self.assertTrue(op.exists(self.filePath))
+
+if __name__ == '__main__':
+  unittest.main()