updating tests

tests/templates/clipboard.py

@@ -5,7 +5,7 @@
 from tests.templates import Response, init_template_logger, ImplRequest
 import dbus.service
 import dbus
-import io
+import tempfile
 from gi.repository import GLib
 
 BUS_NAME = "org.freedesktop.impl.portal.Test"
@@ -129,9 +129,9 @@ def SelectionWrite(
 
         request = ImplRequest(self, BUS_NAME, handle)
 
-        # Open a file
-        fd = io.StringIO("")
-        response.results["fd"] = dbus.types.UnixFd(fd)
+        # Open a temporary file and pass its fd
+        tmp = tempfile.TemporaryFile()
+        response.results["fd"] = dbus.types.UnixFd(tmp.fileno())
 
         if self.expect_close:
 
@@ -213,9 +213,11 @@ def SelectionRead(
 
         request = ImplRequest(self, BUS_NAME, handle)
 
-        # Open a file
-        fd = io.StringIO("Clipboard")
-        response.results["fd"] = dbus.types.UnixFd(fd)
+        # Open a temporary file and pass its fd
+        tmp = tempfile.TemporaryFile()
+        tmp.write(b"Clipboard")
+        tmp.seek(0)
+        response.results["fd"] = dbus.types.UnixFd(tmp.fileno())
 
         if self.expect_close:
 

tests/test_clipboard.py

@@ -9,6 +9,7 @@
 import os
 import select
 
+
 class TestClipboard(PortalTest):
     def test_version(self):
         self.check_version(1)
@@ -56,11 +57,15 @@ def test_clipboard_selection_write(self):
         session_handle = self.create_session_handle()
         clipboard_interface = self.get_dbus_interface()
 
-        selection_write_request = Request(self.dbus_con, clipboard_interface)
-        selection_write_response = selection_write_request.call(
-            "SelectionWrite", session_handle=session_handle, serial=4321, options={}
-        )
-        assert selection_write_response.response == 0
+        (unixFd, handle) = clipboard_interface.SelectionWrite(session_handle, 4321, {})
+
+        fd = unixFd.take()
+        assert fd
+
+        select.select([fd], [], [])  # wait for file descriptor to be available
+        bytes_written = os.write(fd, b"Clipboard")
+
+        assert bytes_written > 0
 
         selection_write_done_request = Request(self.dbus_con, clipboard_interface)
         selection_write_done_response = selection_write_done_request.call(
@@ -77,11 +82,14 @@ def test_clipboard_selection_read(self):
         session_handle = self.create_session_handle()
         clipboard_interface = self.get_dbus_interface()
 
-        response = clipboard_interface.SelectionRead(session_handle, '', {})
-        
+        (unixFd, handle) = clipboard_interface.SelectionRead(session_handle, "", {})
+
         fd = unixFd.take()
-        select.select([fd], [], []) # wait for file descriptor to be available
+        assert fd
+
+        select.select([fd], [], [])  # wait for file descriptor to be available
         clipboard = os.read(fd, 1000)
+        assert str(clipboard)
 
     def test_clipboard_throws_without_enable(self):
         session_handle = self.create_session_handle(False)  # clipboard not enabled