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import pytest |
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2
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3
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4
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@pytest.fixture |
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5
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def command_interface(): |
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6
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from so_magic.utils.commands import CommandInterface |
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7
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return CommandInterface |
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8
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9
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10
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@pytest.fixture |
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11
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def command_class(): |
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12
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from so_magic.utils.commands import Command |
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return Command |
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14
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15
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16
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@pytest.fixture |
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def invoker(): |
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from so_magic.utils.commands import Invoker, CommandHistory |
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return Invoker(CommandHistory()) |
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20
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21
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22
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def test_wrong_interface_usage(command_interface): |
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class WrongChildClass(command_interface): pass |
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with pytest.raises(TypeError, match="Can't instantiate abstract class WrongChildClass with abstract methods execute"): |
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a = WrongChildClass() |
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27
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28
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def test_correct_command(command_class): |
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def add(a_list, *args): |
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return a_list.extend([_ for _ in args]) |
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32
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input_list = [1] |
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33
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cmd = command_class(add, '__call__', input_list, 20, 100) |
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cmd.execute() |
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assert input_list == [1, 20, 100] |
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cmd.append_arg(-1) |
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cmd.execute() |
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assert input_list == [1, 20, 100, 20, 100, -1] |
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39
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40
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41
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def test_wrong_command(command_class): |
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def add(a_list, *args): |
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return a_list.gg([_ for _ in args]) |
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44
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45
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input_list = [1] |
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46
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cmd = command_class(add, '__call__', input_list, 22) |
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with pytest.raises(AttributeError, match="'list' object has no attribute 'gg'"): |
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cmd.execute() |
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49
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50
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51
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def test_invoker(invoker, command_class): |
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52
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import copy |
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class A: |
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54
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def b(self, x): |
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res = x + 1 |
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print(res) |
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57
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a = A() |
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58
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59
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cmd1 = command_class(a, 'b', 2) |
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invoker.execute_command(cmd1) |
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assert invoker.history.stack == [] |
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63
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class A: |
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def b(self, x): |
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return x + 1 |
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66
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67
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a = A() |
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68
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cmd2 = copy.copy(cmd1) |
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69
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cmd2.args = [12] |
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70
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invoker.execute_command(cmd2) |
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assert invoker.history.stack == [] |
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73
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cmd3 = command_class(a, 'b', -1) |
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invoker.execute_command(cmd3) |
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assert invoker.history.stack == [cmd3] |
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76
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77
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del cmd2 |
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invoker.execute_command(cmd1) |
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assert invoker.history.stack == [cmd3] |
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80
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81
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assert cmd3 == invoker.history.pop() |
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82
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boromir674 /
so-magic
