def test_move(self) -> None:
"""
Tests of the method which let us move a file to another location.
"""
file_helper = FileHelper(tempfile.gettempdir())
file_helper.set_path(file_helper.join_path(secrets.token_hex(8)))
destination_file_helper = FileHelper(tempfile.gettempdir())
destination_file_helper.set_path(
destination_file_helper.join_path(secrets.token_hex(8)))
expected = False
actual = file_helper.exists()
actual_destination = destination_file_helper.exists()
self.assertEqual(expected, actual)
self.assertEqual(expected, actual_destination)
file_helper.write("Hello, World!")
expected = True
actual = file_helper.exists()
self.assertEqual(expected, actual)
expected = False
actual_destination = destination_file_helper.exists()
self.assertEqual(expected, actual_destination)
file_helper.move(destination_file_helper.path)
expected = True
actual_destination = destination_file_helper.exists()
self.assertEqual(expected, actual_destination)
expected = "Hello, World!"
actual = destination_file_helper.read()
self.assertEqual(expected, actual)
expected = False
actual = file_helper.exists()
self.assertEqual(expected, actual)
expected = True
actual_destination = destination_file_helper.exists()
self.assertEqual(expected, actual_destination)
def test_copy(self) -> None:
"""
Tests the method which let us copy a file to another place.
"""
file_helper = FileHelper(tempfile.gettempdir())
file_helper.set_path(file_helper.join_path(secrets.token_hex(8)))
copy_file_helper = FileHelper(tempfile.gettempdir())
copy_file_helper.set_path(
copy_file_helper.join_path(secrets.token_hex(8)))
expected = False
actual = file_helper.exists()
actual_copy = copy_file_helper.exists()
self.assertEqual(expected, actual)
self.assertEqual(expected, actual_copy)
file_helper.write("Hello, World!")
expected = True
actual = file_helper.exists()
self.assertEqual(expected, actual)
expected = False
actual_copy = copy_file_helper.exists()
self.assertEqual(expected, actual_copy)
file_helper.copy(copy_file_helper.path)
expected = True
actual_copy = copy_file_helper.exists()
self.assertEqual(expected, actual_copy)
expected = "Hello, World!"
actual = copy_file_helper.read()
self.assertEqual(expected, actual)
expected = True
actual = file_helper.exists()
actual_copy = copy_file_helper.exists()
self.assertEqual(expected, actual)
self.assertEqual(expected, actual_copy)
def test_open(self) -> None:
"""
Tests the method which let us open the given file as we want.
"""
file_helper = FileHelper(tempfile.gettempdir())
file_helper.set_path(file_helper.join_path(secrets.token_hex(8)))
expected = False
actual = file_helper.exists()
self.assertEqual(expected, actual)
with file_helper.open("w") as file_stream:
file_stream.write("Hello, World!")
expected = True
actual = file_helper.exists()
self.assertEqual(expected, actual)
expected = "Hello, World!"
actual = file_helper.read()
self.assertEqual(expected, actual)
def test_delete(self) -> None:
"""
Tests the method which let us delete a file.
"""
file_helper = FileHelper(tempfile.gettempdir())
file_helper.set_path(file_helper.join_path(secrets.token_hex(8)))
expected = False
actual = file_helper.exists()
self.assertEqual(expected, actual)
with open(file_helper.path, "w", encoding="utf-8") as file_stream:
file_stream.write("")
expected = True
actual = file_helper.exists()
self.assertEqual(expected, actual)
file_helper.delete()
expected = False
actual = file_helper.exists()
self.assertEqual(expected, actual)
def test_is_empty(self) -> None:
"""
Tests the method which let us check if a file is empty.
"""
file_helper = FileHelper(tempfile.gettempdir())
file_helper.set_path(file_helper.join_path(secrets.token_hex(8)))
expected = False
actual = file_helper.exists()
self.assertEqual(expected, actual)
with open(file_helper.path, "w", encoding="utf-8") as file_stream:
file_stream.write("")
expected = True
actual = file_helper.is_empty()
self.assertEqual(expected, actual)
with open(file_helper.path, "w", encoding="utf-8") as file_stream:
file_stream.write("Hello, World!")
expected = False
actual = file_helper.is_empty()
self.assertEqual(expected, actual)
os.remove(file_helper.path)
def test_read_bytes_file_does_not_exists(self) -> None:
"""
Tests the method which let us read (bytes) a file for the case that
the given file does not exists.
"""
file_helper = FileHelper(tempfile.gettempdir())
file_helper.set_path(file_helper.join_path(secrets.token_hex(8)))
expected = False
actual = file_helper.exists()
self.assertEqual(expected, actual)
expected = None
actual = file_helper.read_bytes()
self.assertEqual(expected, actual)
