import tempfile

from pathlib import Path

import shutil

from sync import sync, determine_actions

class TestE2E:

@staticmethod

def test_when_a_file_exists_in_the_source_but_not_the_destination():

try:

source = tempfile.mkdtemp()

dest = tempfile.mkdtemp()

content = "I am a very useful file"

(Path(source) / 'my-file').write_text(content)

sync(source, dest)

expected_path = Path(dest) / 'my-file'

assert expected_path.exists()

assert expected_path.read_text() == content

finally:

shutil.rmtree(source)

shutil.rmtree(dest)

@staticmethod

def test_when_a_file_has_been_renamed_in_the_source():

try:

source = tempfile.mkdtemp()

dest = tempfile.mkdtemp()

content = "I am a file that was renamed"

source_path = Path(source) / 'source-filename'

old_dest_path = Path(dest) / 'dest-filename'

expected_dest_path = Path(dest) / 'source-filename'

source_path.write_text(content)

old_dest_path.write_text(content)

sync(source, dest)

assert old_dest_path.exists() is False

assert expected_dest_path.read_text() == content

finally:

shutil.rmtree(source)

shutil.rmtree(dest)

class TestAction:

@staticmethod

def test_when_a_file_exists_in_the_source_but_not_the_destination():

src_hashes = {'hash1': 'fn1'}

dst_hashes = {}

actions = list(determine_actions(src_hashes, dst_hashes, Path('/src'), Path('/dst')))

assert actions == [('copy', Path('/src/fn1'), Path('/dst/fn1'))]

@staticmethod

def test_when_a_file_has_been_renamed_in_the_source():

src_hashes = {'hash1': 'fn1'}

dst_hashes = {'hash1': 'fn2'}

actions = list(determine_actions(src_hashes, dst_hashes, Path('/src'), Path('/dst')))

assert actions == [('move', Path('/dst/fn2'), Path('/dst/fn1'))]