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.

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

tests/test_plat_other.py

@@ -32,6 +32,7 @@ def testfile():
         dir=op.expanduser("~"), prefix="send2trash_test", delete=False
     )
     file.close()
+    assert op.exists(file.name) is True
     yield file
     # Cleanup trash files on supported platforms
     if sys.platform != "win32":
@@ -57,6 +58,7 @@ def testfiles():
         )
     )
     [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]
@@ -93,6 +95,7 @@ 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":
@@ -158,6 +161,7 @@ def testExtVol():
     fileName = "test.txt"
     filePath = op.join(volume.trashTopdir, fileName)
     touch(filePath)
+    assert op.exists(filePath) is True
     yield volume, fileName, filePath
     volume.cleanup()
 

tests/test_plat_win.py

@@ -26,6 +26,7 @@ def _create_tree(path):
 @pytest.fixture
 def testdir(tmp_path):
     dirname = "\\\\?\\" + str(tmp_path)
+    assert op.exists(dirname) is True
     yield dirname
     shutil.rmtree(dirname, ignore_errors=True)
 
@@ -34,6 +35,7 @@ def testdir(tmp_path):
 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
 
@@ -42,6 +44,7 @@ def testfile(testdir):
 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
 
@@ -66,6 +69,19 @@ def _file_not_found(dir, fcn):
     pytest.raises(OSError, fcn, file)
 
 
+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_folder(testdir):
     _trash_folder(testdir, s2t)
 
@@ -98,6 +114,10 @@ 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)
 
@@ -114,6 +134,10 @@ 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):
@@ -129,6 +153,7 @@ def longfile(longdir):
     path = op.join(longdir, name + "{}.txt")
     file = path.format("")
     _create_tree(file)
+    assert op.exists(file) is True
     yield file
 
 
@@ -138,11 +163,14 @@ def longfiles(longdir):
     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, but actually are not moving files to the
-# recycle bin, this was tested on latest windows 10, thought to have worked previously
+# 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)
 

tests/test_script_main.py

@@ -18,6 +18,8 @@ def file():
         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":