mirror of
https://github.com/xgi/castero
synced 2024-11-10 15:28:45 +01:00
107 lines
3.2 KiB
Python
107 lines
3.2 KiB
Python
import curses
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import os
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from unittest import mock
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import pytest
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from castero.datafile import DataFile
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from castero.display import Display
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from castero.database import Database
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class Helpers:
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"""The Helpers class.
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Provides functions that are useful to multiple test units.
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This class should not be instantiated.
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"""
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@staticmethod
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def hide_user_database():
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"""Moves the user's database files to make them unreachable.
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"""
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DataFile.ensure_path(Database.PATH)
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DataFile.ensure_path(Database.OLD_PATH)
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if os.path.exists(Database.PATH):
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os.rename(Database.PATH, Database.PATH + ".tmp")
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if os.path.exists(Database.OLD_PATH):
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os.rename(Database.OLD_PATH, Database.OLD_PATH + ".tmp")
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@staticmethod
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def restore_user_database():
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"""Restores the user's database files if they have been hidden."""
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DataFile.ensure_path(Database.PATH)
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DataFile.ensure_path(Database.OLD_PATH)
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if os.path.exists(Database.PATH + ".tmp"):
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os.rename(Database.PATH + ".tmp", Database.PATH)
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if os.path.exists(Database.OLD_PATH + ".tmp"):
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os.rename(Database.OLD_PATH + ".tmp", Database.OLD_PATH)
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class MockStdscr(mock.MagicMock):
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"""The MockStdscr class.
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Provides functions to mock typical stdscr behavior.
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"""
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def getstr(self, start, end):
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return self.test_input.encode('utf-8')
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def setmaxyx(self, nlines, ncols):
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self.nlines, self.ncols = nlines, ncols
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def getmaxyx(self):
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return self.nlines, self.ncols
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def derwin(self, nlines, ncols, x, y):
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return MockStdscr(nlines=nlines, ncols=ncols,
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x=x, y=y,
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test_input='unspecified test input')
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def set_test_input(self, str):
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self.test_input = str
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@pytest.yield_fixture()
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def stdscr():
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with mock.patch('curses.initscr'), \
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mock.patch('curses.echo'), \
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mock.patch('curses.flash'), \
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mock.patch('curses.endwin'), \
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mock.patch('curses.newwin'), \
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mock.patch('curses.newpad'), \
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mock.patch('curses.noecho'), \
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mock.patch('curses.cbreak'), \
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mock.patch('curses.doupdate'), \
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mock.patch('curses.nocbreak'), \
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mock.patch('curses.curs_set'), \
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mock.patch('curses.init_pair'), \
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mock.patch('curses.color_pair'), \
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mock.patch('curses.has_colors'), \
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mock.patch('curses.start_color'), \
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mock.patch('curses.use_default_colors'):
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result = MockStdscr(nlines=24, ncols=100, x=0, y=0)
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curses.initscr.return_value = result
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curses.newwin.side_effect = lambda *args: result.derwin(*args)
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curses.color_pair.return_value = 1
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curses.has_colors.return_value = True
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curses.ACS_VLINE = 0
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curses.ACS_HLINE = 0
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curses.COLORS = 16
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curses.COLOR_PAIRS = 16
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yield result
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@pytest.yield_fixture()
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def prevent_modification():
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Helpers.hide_user_database()
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yield
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Helpers.restore_user_database()
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@pytest.yield_fixture()
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def display(prevent_modification, stdscr):
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database = Database()
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yield Display(stdscr, database)
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