Minor fixes to tests

Really just checking that the setup is able to create test files so it
is known they were there then removed.
Windows tests really need verification of
recycle, which is not present.

.travis.yml

@@ -3,16 +3,14 @@ matrix:
   include:
     - os: windows
       language: sh
-      python: 3
+      python: "3.8"
+      env: "PATH=/c/Python38:/c/Python38/Scripts:$PATH"
       # Perform the manual steps on windows to install python3
       before_install:
-        - choco install python3 --params "/InstallDir:C:\Python"
-        - export PATH="/c/Python:/c/Python/Scripts:$PATH"
+        - choco install python --version=3.8.6
         - python -m pip install --upgrade pip
-        - python -m pip install pywin32
       before_script:
-        - export TOXENV=py3-win
-
+        - export TOXENV=py38
     - python: "2.7"
     - python: "3.4"
     - python: "3.5"
@@ -27,7 +25,6 @@ matrix:
       arch: ppc64le
     - python: "3.6"
       arch: ppc64le
-        
 install:
   - python -m pip install tox
 before_script:

send2trash/IFileOperationProgressSink.py

@@ -0,0 +1,105 @@
+# Sample implementation of IFileOperationProgressSink that just prints
+# some basic info
+
+import pythoncom
+from win32com.shell import shell, shellcon
+from win32com.server.policy import DesignatedWrapPolicy
+
+
+class FileOperationProgressSink(DesignatedWrapPolicy):
+    _com_interfaces_ = [shell.IID_IFileOperationProgressSink]
+    _public_methods_ = [
+        "StartOperations",
+        "FinishOperations",
+        "PreRenameItem",
+        "PostRenameItem",
+        "PreMoveItem",
+        "PostMoveItem",
+        "PreCopyItem",
+        "PostCopyItem",
+        "PreDeleteItem",
+        "PostDeleteItem",
+        "PreNewItem",
+        "PostNewItem",
+        "UpdateProgress",
+        "ResetTimer",
+        "PauseTimer",
+        "ResumeTimer",
+    ]
+
+    def __init__(self):
+        self._wrap_(self)
+        self.newItem = None
+
+    def PreDeleteItem(self, flags, item):
+        # Can detect cases where to stop via flags and condition below, however the operation
+        # does not actual stop, we can resort to raising an exception as that does stop things
+        # but that may need some additional considerations before implementing.
+        return (
+            0 if flags & shellcon.TSF_DELETE_RECYCLE_IF_POSSIBLE else 0x80004005
+        )  # S_OK, or E_FAIL
+
+    def PostDeleteItem(self, flags, item, hrDelete, newlyCreated):
+        if newlyCreated:
+            self.newItem = newlyCreated.GetDisplayName(shellcon.SHGDN_FORPARSING)
+
+    def StartOperations(self):
+        pass
+
+    def FinishOperations(self, Result):
+        pass
+
+    def PreRenameItem(self, Flags, Item, NewName):
+        pass
+
+    def PostRenameItem(self, Flags, Item, NewName, hrRename, NewlyCreated):
+        pass
+
+    def PreMoveItem(self, Flags, Item, DestinationFolder, NewName):
+        pass
+
+    def PostMoveItem(
+        self, Flags, Item, DestinationFolder, NewName, hrMove, NewlyCreated
+    ):
+        pass
+
+    def PreCopyItem(self, Flags, Item, DestinationFolder, NewName):
+        pass
+
+    def PostCopyItem(
+        self, Flags, Item, DestinationFolder, NewName, hrCopy, NewlyCreated
+    ):
+        pass
+
+    def PreNewItem(self, Flags, DestinationFolder, NewName):
+        pass
+
+    def PostNewItem(
+        self,
+        Flags,
+        DestinationFolder,
+        NewName,
+        TemplateName,
+        FileAttributes,
+        hrNew,
+        NewItem,
+    ):
+        pass
+
+    def UpdateProgress(self, WorkTotal, WorkSoFar):
+        pass
+
+    def ResetTimer(self):
+        pass
+
+    def PauseTimer(self):
+        pass
+
+    def ResumeTimer(self):
+        pass
+
+
+def CreateSink():
+    return pythoncom.WrapObject(
+        FileOperationProgressSink(), shell.IID_IFileOperationProgressSink
+    )

send2trash/exceptions.py

@@ -2,7 +2,7 @@ import errno
 from .compat import PY3
 
 if PY3:
-    _permission_error = PermissionError
+    _permission_error = PermissionError  # noqa: F821
 else:
     _permission_error = OSError
 

send2trash/plat_win_legacy.py

@@ -77,8 +77,6 @@ def send2trash(paths):
     paths = [op.abspath(path) if not op.isabs(path) else path for path in paths]
     # get short path to handle path length issues
     paths = [get_short_path_name(path) for path in paths]
-    # convert to a single string of null terminated paths
-    paths = "\0".join(paths)
     fileop = SHFILEOPSTRUCTW()
     fileop.hwnd = 0
     fileop.wFunc = FO_DELETE
@@ -93,7 +91,15 @@ def send2trash(paths):
     # NOTE: based on how python allocates memory for these types they should
     # always be zero, if this is ever not true we can go back to explicitly
     # setting the last two characters to null using buffer[index] = '\0'.
-    buffer = create_unicode_buffer(paths, len(paths) + 2)
+    # Additional note on another issue here, unicode_buffer expects length in
+    # bytes essentially, so having multi-byte characters causes issues if just
+    # passing pythons string length.  Instead of dealing with this difference we
+    # just create a buffer then a new one with an extra null.  Since the non-length
+    # specified version apparently stops after the first null, join with a space first.
+    buffer = create_unicode_buffer(" ".join(paths))
+    # convert to a single string of null terminated paths
+    path_string = "\0".join(paths)
+    buffer = create_unicode_buffer(path_string, len(buffer) + 1)
     fileop.pFrom = LPCWSTR(addressof(buffer))
     fileop.pTo = None
     fileop.fFlags = FOF_ALLOWUNDO | FOF_NOCONFIRMATION | FOF_NOERRORUI | FOF_SILENT

send2trash/plat_win_modern.py

@@ -11,6 +11,7 @@ from platform import version
 import pythoncom
 import pywintypes
 from win32com.shell import shell, shellcon
+from .IFileOperationProgressSink import CreateSink
 
 
 def send2trash(paths):
@@ -50,10 +51,11 @@ def send2trash(paths):
     # actually try to perform the operation, this section may throw a
     # pywintypes.com_error which does not seem to create as nice of an
     # error as OSError so wrapping with try to convert
+    sink = CreateSink()
     try:
         for path in paths:
             item = shell.SHCreateItemFromParsingName(path, None, shell.IID_IShellItem)
-            fileop.DeleteItem(item)
+            fileop.DeleteItem(item, sink)
         result = fileop.PerformOperations()
         aborted = fileop.GetAnyOperationsAborted()
         # if non-zero result or aborted throw an exception

tests/__init__.py

@@ -1,18 +0,0 @@
-import sys
-import unittest
-
-
-def TestSuite():
-    suite = unittest.TestSuite()
-    loader = unittest.TestLoader()
-    if sys.platform == "win32":
-        from . import test_plat_win
-
-        suite.addTests(loader.loadTestsFromModule(test_plat_win))
-    else:
-        from . import test_script_main
-        from . import test_plat_other
-
-        suite.addTests(loader.loadTestsFromModule(test_script_main))
-        suite.addTests(loader.loadTestsFromModule(test_plat_other))
-    return suite

tests/test_plat_other.py

@@ -1,51 +1,53 @@
 # encoding: utf-8
+import pytest
 import codecs
-import unittest
 import os
+import sys
 from os import path as op
-import send2trash.plat_other
-from send2trash.plat_other import send2trash as s2t
 from send2trash.compat import PY3
+from send2trash import TrashPermissionError
 
 try:
     from configparser import ConfigParser
 except ImportError:
     # py2
-    from ConfigParser import ConfigParser
+    from ConfigParser import ConfigParser  # noqa: F401
+
 from tempfile import mkdtemp, NamedTemporaryFile, mktemp
 import shutil
 import stat
-import sys
 
-# Could still use cleaning up. But no longer relies on ramfs.
+if sys.platform != "win32":
+    import send2trash.plat_other
+    from send2trash.plat_other import send2trash as s2t
 
     HOMETRASH = send2trash.plat_other.HOMETRASH
+else:
+    pytest.skip("Skipping non-windows tests", allow_module_level=True)
 
 
-def touch(path):
-    with open(path, "a"):
-        os.utime(path, None)
-
-
-class TestHomeTrash(unittest.TestCase):
-    def setUp(self):
-        self.file = NamedTemporaryFile(
+@pytest.fixture
+def testfile():
+    file = NamedTemporaryFile(
         dir=op.expanduser("~"), prefix="send2trash_test", delete=False
     )
-
-    def test_trash(self):
-        s2t(self.file.name)
-        self.assertFalse(op.exists(self.file.name))
-
-    def tearDown(self):
-        name = op.basename(self.file.name)
+    file.close()
+    assert op.exists(file.name) is True
+    yield file
+    # Cleanup trash files on supported platforms
+    if sys.platform != "win32":
+        name = op.basename(file.name)
+        # Remove trash files if they exist
+        if op.exists(op.join(HOMETRASH, "files", name)):
             os.remove(op.join(HOMETRASH, "files", name))
             os.remove(op.join(HOMETRASH, "info", name + ".trashinfo"))
+    if op.exists(file.name):
+        os.remove(file.name)
 
 
-class TestHomeMultiTrash(unittest.TestCase):
-    def setUp(self):
-        self.files = list(
+@pytest.fixture
+def testfiles():
+    files = list(
         map(
             lambda index: NamedTemporaryFile(
                 dir=op.expanduser("~"),
@@ -55,14 +57,10 @@ class TestHomeMultiTrash(unittest.TestCase):
             range(10),
         )
     )
-
-    def test_multitrash(self):
-        filenames = [file.name for file in self.files]
-        s2t(filenames)
-        self.assertFalse(any([op.exists(filename) for filename in filenames]))
-
-    def tearDown(self):
-        filenames = [op.basename(file.name) for file in self.files]
+    [file.close() for file in files]
+    assert all([op.exists(file.name) for file in files]) is True
+    yield files
+    filenames = [op.basename(file.name) for file in files]
     [os.remove(op.join(HOMETRASH, "files", filename)) for filename in filenames]
     [
         os.remove(op.join(HOMETRASH, "info", filename + ".trashinfo"))
@@ -70,57 +68,64 @@ class TestHomeMultiTrash(unittest.TestCase):
     ]
 
 
+def test_trash(testfile):
+    s2t(testfile.name)
+    assert op.exists(testfile.name) is False
+
+
+def test_multitrash(testfiles):
+    filenames = [file.name for file in testfiles]
+    s2t(filenames)
+    assert any([op.exists(filename) for filename in filenames]) is False
+
+
+def touch(path):
+    with open(path, "a"):
+        os.utime(path, None)
+
+
 def _filesys_enc():
     enc = sys.getfilesystemencoding()
     # Get canonical name of codec
     return codecs.lookup(enc).name
 
 
-@unittest.skipIf(_filesys_enc() == "ascii", "ASCII filesystem")
-class TestUnicodeTrash(unittest.TestCase):
-    def setUp(self):
-        self.name = u"send2trash_tést1"
-        self.file = op.join(op.expanduser(b"~"), self.name.encode("utf-8"))
-        touch(self.file)
-
-    def test_trash_bytes(self):
-        s2t(self.file)
-        assert not op.exists(self.file)
-
-    def test_trash_unicode(self):
-        s2t(self.file.decode(sys.getfilesystemencoding()))
-        assert not op.exists(self.file)
-
-    def tearDown(self):
-        if op.exists(self.file):
-            os.remove(self.file)
-
-        trash_file = op.join(HOMETRASH, "files", self.name)
-        if op.exists(trash_file):
-            os.remove(trash_file)
-            os.remove(op.join(HOMETRASH, "info", self.name + ".trashinfo"))
+@pytest.fixture
+def testUnicodefile():
+    name = u"send2trash_tést1"
+    file = op.join(op.expanduser(b"~"), name.encode("utf-8"))
+    touch(file)
+    assert op.exists(file) is True
+    yield file
+    # Cleanup trash files on supported platforms
+    if sys.platform != "win32":
+        # Remove trash files if they exist
+        if op.exists(op.join(HOMETRASH, "files", name)):
+            os.remove(op.join(HOMETRASH, "files", name))
+            os.remove(op.join(HOMETRASH, "info", name + ".trashinfo"))
+    if op.exists(file):
+        os.remove(file)
 
 
-#
-# Tests for files on some other volume than the user's home directory.
-#
-# What we need to stub:
-# * plat_other.get_dev (to make sure the file will not be on the home dir dev)
-# * os.path.ismount (to make our topdir look like a top dir)
-#
-class TestExtVol(unittest.TestCase):
-    def setUp(self):
-        self.trashTopdir = mkdtemp(prefix="s2t")
+@pytest.mark.skipif(_filesys_enc() == "ascii", reason="Requires Unicode filesystem")
+def test_trash_bytes(testUnicodefile):
+    s2t(testUnicodefile)
+    assert not op.exists(testUnicodefile)
+
+
+@pytest.mark.skipif(_filesys_enc() == "ascii", reason="Requires Unicode filesystem")
+def test_trash_unicode(testUnicodefile):
+    s2t(testUnicodefile.decode(sys.getfilesystemencoding()))
+    assert not op.exists(testUnicodefile)
+
+
+class ExtVol:
+    def __init__(self, path):
+        self.trashTopdir = path
         if PY3:
-            trashTopdir_b = os.fsencode(self.trashTopdir)
+            self.trashTopdir_b = os.fsencode(self.trashTopdir)
         else:
-            trashTopdir_b = self.trashTopdir
-        self.fileName = "test.txt"
-        self.filePath = op.join(self.trashTopdir, self.fileName)
-        touch(self.filePath)
-
-        self.old_ismount = old_ismount = op.ismount
-        self.old_getdev = send2trash.plat_other.get_dev
+            self.trashTopdir_b = self.trashTopdir
 
         def s_getdev(path):
             from send2trash.plat_other import is_parent
@@ -133,120 +138,98 @@ class TestExtVol(unittest.TestCase):
         def s_ismount(path):
             if op.realpath(path) in (
                 op.realpath(self.trashTopdir),
-                op.realpath(trashTopdir_b),
+                op.realpath(self.trashTopdir_b),
             ):
                 return True
             return old_ismount(path)
 
+        self.old_ismount = old_ismount = op.ismount
+        self.old_getdev = send2trash.plat_other.get_dev
         send2trash.plat_other.os.path.ismount = s_ismount
         send2trash.plat_other.get_dev = s_getdev
 
-    def tearDown(self):
+    def cleanup(self):
         send2trash.plat_other.get_dev = self.old_getdev
         send2trash.plat_other.os.path.ismount = self.old_ismount
         shutil.rmtree(self.trashTopdir)
 
 
-class TestTopdirTrash(TestExtVol):
-    def setUp(self):
-        TestExtVol.setUp(self)
-        # Create a .Trash dir w/ a sticky bit
-        self.trashDir = op.join(self.trashTopdir, ".Trash")
-        os.mkdir(self.trashDir, 0o777 | stat.S_ISVTX)
+@pytest.fixture
+def testExtVol():
+    trashTopdir = mkdtemp(prefix="s2t")
+    volume = ExtVol(trashTopdir)
+    fileName = "test.txt"
+    filePath = op.join(volume.trashTopdir, fileName)
+    touch(filePath)
+    assert op.exists(filePath) is True
+    yield volume, fileName, filePath
+    volume.cleanup()
 
-    def test_trash(self):
-        s2t(self.filePath)
-        self.assertFalse(op.exists(self.filePath))
-        self.assertTrue(
-            op.exists(op.join(self.trashDir, str(os.getuid()), "files", self.fileName))
+
+def test_trash_topdir(testExtVol):
+    trashDir = op.join(testExtVol[0].trashTopdir, ".Trash")
+    os.mkdir(trashDir, 0o777 | stat.S_ISVTX)
+
+    s2t(testExtVol[2])
+    assert op.exists(testExtVol[2]) is False
+    assert (
+        op.exists(op.join(trashDir, str(os.getuid()), "files", testExtVol[1])) is True
     )
-        self.assertTrue(
+    assert (
         op.exists(
-                op.join(
-                    self.trashDir,
-                    str(os.getuid()),
-                    "info",
-                    self.fileName + ".trashinfo",
-                )
+            op.join(trashDir, str(os.getuid()), "info", testExtVol[1] + ".trashinfo",)
         )
+        is True
     )
     # 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.trashDir, str(os.getuid()), "info", self.fileName + ".trashinfo"
-            )
-        )
-        self.assertEqual(self.fileName, cfg.get("Trash Info", "Path", raw=True))
+    cfg.read(op.join(trashDir, str(os.getuid()), "info", testExtVol[1] + ".trashinfo"))
+    assert (testExtVol[1] == cfg.get("Trash Info", "Path", raw=True)) is True
 
 
-# Test .Trash-UID
-class TestTopdirTrashFallback(TestExtVol):
-    def test_trash(self):
-        touch(self.filePath)
-        s2t(self.filePath)
-        self.assertFalse(op.exists(self.filePath))
-        self.assertTrue(
+def test_trash_topdir_fallback(testExtVol):
+    s2t(testExtVol[2])
+    assert op.exists(testExtVol[2]) is False
+    assert (
         op.exists(
             op.join(
-                    self.trashTopdir,
+                testExtVol[0].trashTopdir,
                 ".Trash-" + str(os.getuid()),
                 "files",
-                    self.fileName,
+                testExtVol[1],
             )
         )
+        is True
     )
 
 
-# Test failure
-class TestTopdirFailure(TestExtVol):
-    def setUp(self):
-        TestExtVol.setUp(self)
-        os.chmod(self.trashTopdir, 0o500)  # not writable to induce the exception
-
-    def test_trash(self):
-        with self.assertRaises(OSError):
-            s2t(self.filePath)
-        self.assertTrue(op.exists(self.filePath))
-
-    def tearDown(self):
-        os.chmod(self.trashTopdir, 0o700)  # writable to allow deletion
-        TestExtVol.tearDown(self)
+def test_trash_topdir_failure(testExtVol):
+    os.chmod(testExtVol[0].trashTopdir, 0o500)  # not writable to induce the exception
+    pytest.raises(TrashPermissionError, s2t, [testExtVol[2]])
+    os.chmod(testExtVol[0].trashTopdir, 0o700)  # writable to allow deletion
 
 
-# Make sure it will find the mount point properly for a file in a symlinked path
-class TestSymlink(TestExtVol):
-    def setUp(self):
-        TestExtVol.setUp(self)
+def test_trash_symlink(testExtVol):
     # Use mktemp (race conditioney but no symlink equivalent)
     # Since is_parent uses realpath(), and our getdev uses is_parent,
     # this should work
-        self.slDir = mktemp(prefix="s2t", dir=op.expanduser("~"))
-
-        os.mkdir(op.join(self.trashTopdir, "subdir"), 0o700)
-        self.filePath = op.join(self.trashTopdir, "subdir", self.fileName)
-        touch(self.filePath)
-        os.symlink(op.join(self.trashTopdir, "subdir"), self.slDir)
-
-    def test_trash(self):
-        s2t(op.join(self.slDir, self.fileName))
-        self.assertFalse(op.exists(self.filePath))
-        self.assertTrue(
+    slDir = mktemp(prefix="s2t", dir=op.expanduser("~"))
+    os.mkdir(op.join(testExtVol[0].trashTopdir, "subdir"), 0o700)
+    filePath = op.join(testExtVol[0].trashTopdir, "subdir", testExtVol[1])
+    touch(filePath)
+    os.symlink(op.join(testExtVol[0].trashTopdir, "subdir"), slDir)
+    s2t(op.join(slDir, testExtVol[1]))
+    assert op.exists(filePath) is False
+    assert (
         op.exists(
             op.join(
-                    self.trashTopdir,
+                testExtVol[0].trashTopdir,
                 ".Trash-" + str(os.getuid()),
                 "files",
-                    self.fileName,
+                testExtVol[1],
             )
         )
+        is True
     )
-
-    def tearDown(self):
-        os.remove(self.slDir)
-        TestExtVol.tearDown(self)
-
-
-if __name__ == "__main__":
-    unittest.main()
+    os.remove(slDir)

tests/test_plat_win.py

@@ -1,10 +1,9 @@
-# coding: utf-8
+# encoding: utf-8
 import os
 import shutil
 import sys
-import unittest
+import pytest
 from os import path as op
-from tempfile import gettempdir
 
 from send2trash import send2trash as s2t
 
@@ -12,144 +11,193 @@ from send2trash import send2trash as s2t
 if sys.platform == "win32":
     from send2trash.plat_win_modern import send2trash as s2t_modern
     from send2trash.plat_win_legacy import send2trash as s2t_legacy
+else:
+    pytest.skip("Skipping windows-only tests", allow_module_level=True)
 
 
-@unittest.skipIf(sys.platform != "win32", "Windows only")
-class TestNormal(unittest.TestCase):
-    def setUp(self):
-        self.dirname = "\\\\?\\" + op.join(gettempdir(), "python.send2trash")
-        self.file = op.join(self.dirname, "testfile.txt")
-        self._create_tree(self.file)
-        self.files = [
-            op.join(self.dirname, "testfile{}.txt".format(index)) for index in range(10)
-        ]
-        [self._create_tree(file) for file in self.files]
-
-    def tearDown(self):
-        shutil.rmtree(self.dirname, ignore_errors=True)
-
-    def _create_tree(self, path):
+def _create_tree(path):
     dirname = op.dirname(path)
     if not op.isdir(dirname):
         os.makedirs(dirname)
     with open(path, "w") as writer:
         writer.write("send2trash test")
 
-    def _trash_file(self, fcn):
-        fcn(self.file)
-        self.assertFalse(op.exists(self.file))
 
-    def _trash_multifile(self, fcn):
-        fcn(self.files)
-        self.assertFalse(any([op.exists(file) for file in self.files]))
-
-    def _file_not_found(self, fcn):
-        file = op.join(self.dirname, "otherfile.txt")
-        self.assertRaises(WindowsError, fcn, file)
-
-    def test_trash_file(self):
-        self._trash_file(s2t)
-
-    def test_trash_multifile(self):
-        self._trash_multifile(s2t)
-
-    def test_file_not_found(self):
-        self._file_not_found(s2t)
-
-    def test_trash_file_modern(self):
-        self._trash_file(s2t_modern)
-
-    def test_trash_multifile_modern(self):
-        self._trash_multifile(s2t_modern)
-
-    def test_file_not_found_modern(self):
-        self._file_not_found(s2t_modern)
-
-    def test_trash_file_legacy(self):
-        self._trash_file(s2t_legacy)
-
-    def test_trash_multifile_legacy(self):
-        self._trash_multifile(s2t_legacy)
-
-    def test_file_not_found_legacy(self):
-        self._file_not_found(s2t_legacy)
+@pytest.fixture
+def testdir(tmp_path):
+    dirname = "\\\\?\\" + str(tmp_path)
+    assert op.exists(dirname) is True
+    yield dirname
+    shutil.rmtree(dirname, ignore_errors=True)
 
 
-@unittest.skipIf(sys.platform != "win32", "Windows only")
-class TestLongPath(unittest.TestCase):
-    def setUp(self):
-        self.functions = {s2t: "auto", s2t_legacy: "legacy", s2t_modern: "modern"}
-        filename = "A" * 100
-        self.dirname = "\\\\?\\" + op.join(gettempdir(), filename)
-        path = op.join(
-            self.dirname,
-            filename,
-            filename,  # From there, the path is not trashable from Explorer
-            filename,
-            filename + "{}.txt",
-        )
-        self.file = path.format("")
-        self._create_tree(self.file)
-        self.files = [path.format(index) for index in range(10)]
-        [self._create_tree(file) for file in self.files]
+@pytest.fixture
+def testfile(testdir):
+    file = op.join(testdir, "testfile.txt")
+    _create_tree(file)
+    assert op.exists(file) is True
+    yield file
+    # Note dir will cleanup the file
 
-    def tearDown(self):
-        shutil.rmtree(self.dirname, ignore_errors=True)
 
-    def _create_tree(self, path):
-        dirname = op.dirname(path)
-        if not op.isdir(dirname):
-            os.makedirs(dirname)
-        with open(path, "w") as writer:
-            writer.write("Looong filename!")
+@pytest.fixture
+def testfiles(testdir):
+    files = [op.join(testdir, "testfile{}.txt".format(index)) for index in range(10)]
+    [_create_tree(file) for file in files]
+    assert all([op.exists(file) for file in files]) is True
+    yield files
+    # Note dir will cleanup the files
 
-    def _trash_file(self, fcn):
-        fcn(self.file)
-        self.assertFalse(op.exists(self.file))
 
-    def _trash_multifile(self, fcn):
-        fcn(self.files)
-        self.assertFalse(any([op.exists(file) for file in self.files]))
+def _trash_folder(dir, fcn):
+    fcn(dir)
+    assert op.exists(dir) is False
 
-    def _trash_folder(self, fcn):
-        fcn(self.dirname)
-        self.assertFalse(op.exists(self.dirname))
 
-    def test_trash_file(self):
-        self._trash_file(s2t)
+def _trash_file(file, fcn):
+    fcn(file)
+    assert op.exists(file) is False
 
-    def test_trash_multifile(self):
-        self._trash_multifile(s2t)
 
-    @unittest.skipIf(
-        op.splitdrive(os.getcwd())[0] != op.splitdrive(gettempdir())[0],
-        "Cannot trash long path from other drive",
-    )
-    def test_trash_folder(self):
-        self._trash_folder(s2t)
+def _trash_multifile(files, fcn):
+    fcn(files)
+    assert any([op.exists(file) for file in files]) is False
 
-    def test_trash_file_modern(self):
-        self._trash_file(s2t_modern)
 
-    def test_trash_multifile_modern(self):
-        self._trash_multifile(s2t_modern)
+def _file_not_found(dir, fcn):
+    file = op.join(dir, "otherfile.txt")
+    pytest.raises(OSError, fcn, file)
 
-    @unittest.skipIf(
-        op.splitdrive(os.getcwd())[0] != op.splitdrive(gettempdir())[0],
-        "Cannot trash long path from other drive",
-    )
-    def test_trash_folder_modern(self):
-        self._trash_folder(s2t_modern)
 
-    def test_trash_file_legacy(self):
-        self._trash_file(s2t_legacy)
+def _multi_byte_unicode(dir, fcn):
+    single_file = op.join(dir, "😇.txt")
+    _create_tree(single_file)
+    assert op.exists(single_file) is True
+    fcn(single_file)
+    assert op.exists(single_file) is False
+    files = [op.join(dir, "😇{}.txt".format(index)) for index in range(10)]
+    [_create_tree(file) for file in files]
+    assert all([op.exists(file) for file in files]) is True
+    fcn(files)
+    assert any([op.exists(file) for file in files]) is False
 
-    def test_trash_multifile_legacy(self):
-        self._trash_multifile(s2t_legacy)
 
-    @unittest.skipIf(
-        op.splitdrive(os.getcwd())[0] != op.splitdrive(gettempdir())[0],
-        "Cannot trash long path from other drive",
-    )
-    def test_trash_folder_legacy(self):
-        self._trash_folder(s2t_legacy)
+def test_trash_folder(testdir):
+    _trash_folder(testdir, s2t)
+
+
+def test_trash_file(testfile):
+    _trash_file(testfile, s2t)
+
+
+def test_trash_multifile(testfiles):
+    _trash_multifile(testfiles, s2t)
+
+
+def test_file_not_found(testdir):
+    _file_not_found(testdir, s2t)
+
+
+def test_trash_folder_modern(testdir):
+    _trash_folder(testdir, s2t_modern)
+
+
+def test_trash_file_modern(testfile):
+    _trash_file(testfile, s2t_modern)
+
+
+def test_trash_multifile_modern(testfiles):
+    _trash_multifile(testfiles, s2t_modern)
+
+
+def test_file_not_found_modern(testdir):
+    _file_not_found(testdir, s2t_modern)
+
+
+def test_multi_byte_unicode_modern(testdir):
+    _multi_byte_unicode(testdir, s2t_modern)
+
+
+def test_trash_folder_legacy(testdir):
+    _trash_folder(testdir, s2t_legacy)
+
+
+def test_trash_file_legacy(testfile):
+    _trash_file(testfile, s2t_legacy)
+
+
+def test_trash_multifile_legacy(testfiles):
+    _trash_multifile(testfiles, s2t_legacy)
+
+
+def test_file_not_found_legacy(testdir):
+    _file_not_found(testdir, s2t_legacy)
+
+
+def test_multi_byte_unicode_legacy(testdir):
+    _multi_byte_unicode(testdir, s2t_legacy)
+
+
+# Long path tests
+@pytest.fixture
+def longdir(tmp_path):
+    dirname = "\\\\?\\" + str(tmp_path)
+    name = "A" * 100
+    yield op.join(dirname, name, name, name)
+    shutil.rmtree(dirname, ignore_errors=True)
+
+
+@pytest.fixture
+def longfile(longdir):
+    name = "A" * 100
+    path = op.join(longdir, name + "{}.txt")
+    file = path.format("")
+    _create_tree(file)
+    assert op.exists(file) is True
+    yield file
+
+
+@pytest.fixture
+def longfiles(longdir):
+    name = "A" * 100
+    path = op.join(longdir, name + "{}.txt")
+    files = [path.format(index) for index in range(10)]
+    [_create_tree(file) for file in files]
+    assert all([op.exists(file) for file in files]) is True
+    yield files
+
+
+# NOTE: both legacy and modern test "pass" on windows, however sometimes with the same path
+# they do not actually recycle files but delete them.  Noticed this when testing with the
+# recycle bin open, noticed later tests actually worked, modern version can actually detect
+# when this happens but not stop it at this moment, and we need a way to verify it when testing.
+def test_trash_long_file_modern(longfile):
+    _trash_file(longfile, s2t_modern)
+
+
+def test_trash_long_multifile_modern(longfiles):
+    _trash_multifile(longfiles, s2t_modern)
+
+
+#     @pytest.skipif(
+#         op.splitdrive(os.getcwd())[0] != op.splitdrive(gettempdir())[0],
+#         "Cannot trash long path from other drive",
+#     )
+#     def test_trash_long_folder_modern(self):
+#         self._trash_folder(s2t_modern)
+
+
+def test_trash_long_file_legacy(longfile):
+    _trash_file(longfile, s2t_legacy)
+
+
+def test_trash_long_multifile_legacy(longfiles):
+    _trash_multifile(longfiles, s2t_legacy)
+
+
+#     @pytest.skipif(
+#         op.splitdrive(os.getcwd())[0] != op.splitdrive(gettempdir())[0],
+#         "Cannot trash long path from other drive",
+#     )
+#     def test_trash_long_folder_legacy(self):
+#         self._trash_folder(s2t_legacy)

tests/test_script_main.py

@@ -1,32 +1,43 @@
 # encoding: utf-8
 import os
-import unittest
+import sys
+import pytest
 from tempfile import NamedTemporaryFile
 from os import path as op
 
 from send2trash.__main__ import main as trash_main
-from tests.test_plat_other import HOMETRASH
+
+# Only import HOMETRASH on supported platforms
+if sys.platform != "win32":
+    from send2trash.plat_other import HOMETRASH
 
 
-class TestMainTrash(unittest.TestCase):
-    def setUp(self):
-        self.file = NamedTemporaryFile(dir=op.expanduser('~'), prefix='send2trash_test', delete=False)
-
-    def test_trash(self):
-        trash_main(['-v', self.file.name])
-        self.assertFalse(op.exists(self.file.name))
-
-    def test_no_args(self):
-        self.assertRaises(SystemExit, trash_main, [])
-        self.assertRaises(SystemExit, trash_main, ['-v'])
-        self.assertTrue(op.exists(self.file.name))
-        trash_main([self.file.name])  # Trash the file so tearDown runs properly
-
-    def tearDown(self):
-        name = op.basename(self.file.name)
-        os.remove(op.join(HOMETRASH, 'files', name))
-        os.remove(op.join(HOMETRASH, 'info', name + '.trashinfo'))
+@pytest.fixture
+def file():
+    file = NamedTemporaryFile(
+        dir=op.expanduser("~"), prefix="send2trash_test", delete=False
+    )
+    file.close()
+    # Verify file was actually created
+    assert op.exists(file.name) is True
+    yield file.name
+    # Cleanup trash files on supported platforms
+    if sys.platform != "win32":
+        name = op.basename(file.name)
+        # Remove trash files if they exist
+        if op.exists(op.join(HOMETRASH, "files", name)):
+            os.remove(op.join(HOMETRASH, "files", name))
+            os.remove(op.join(HOMETRASH, "info", name + ".trashinfo"))
+    if op.exists(file.name):
+        os.remove(file.name)
 
 
-if __name__ == '__main__':
-    unittest.main()
+def test_trash(file):
+    trash_main(["-v", file])
+    assert op.exists(file) is False
+
+
+def test_no_args(file):
+    pytest.raises(SystemExit, trash_main, [])
+    pytest.raises(SystemExit, trash_main, ["-v"])
+    assert op.exists(file) is True

tox.ini

@@ -1,21 +1,20 @@
 [tox]
-envlist = py{27,34,35,36,37,38,39,310,3-win}
+envlist = py{27,34,35,36,37,38,39,310}
 skip_missing_interpreters = True
 
 [testenv]
-platform = linux
+deps =
+    flake8
+    pytest
+    pywin32; sys_platform == 'win32'
 commands =
-    python setup.py test --test-suite tests.TestSuite
-
-[testenv:py3-win]
-platform = win
-commands =
-    python -m pip install pywin32
-    python setup.py test --test-suite tests.TestSuite
+    flake8
+    pytest
 
 [testenv:py27]
 deps =
     configparser
+    {[testenv]deps}
 
 [flake8]
 exclude = .tox,env,build