File size: 6,340 Bytes
05a686e
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
import pytest
from unittest.mock import MagicMock, call
from server.actions import (
    ScaleAction,
    DeletePodAction,
    PatchAction,
    RolloutRestartAction,
    SetHPAAction,
    DrainNodeAction,
    DescribeAction,
    WaitAction,
)
from server.executor import execute
from server.models import ClusterObservation


class MockWorld:
    def __init__(self):
        self.scale_called_with = None
        self.delete_pod_called_with = None
        self.apply_patch_called_with = None
        self.rollout_restart_called_with = None
        self.set_hpa_called_with = None
        self.drain_node_called_with = None
        self.describe_called_with = None
        self.tick_called = False
        self._observation = ClusterObservation(nodes=[], pods=[], deployments=[], services=[], configmaps=[], hpa=[], events=[], step=0, objective="")
        self._raw_state = {"nodes": [], "pods": [], "deployments": [], "services": [], "configmaps": []}

    def scale(self, deployment, replicas):
        self.scale_called_with = (deployment, replicas)

    def delete_pod(self, pod_name):
        self.delete_pod_called_with = pod_name

    def apply_patch(self, resource_type, name, patch):
        self.apply_patch_called_with = (resource_type, name, patch)

    def rollout_restart(self, deployment):
        self.rollout_restart_called_with = deployment

    def set_hpa(self, deployment, min_replicas, max_replicas, cpu_target_percent):
        self.set_hpa_called_with = (deployment, min_replicas, max_replicas, cpu_target_percent)

    def drain_node(self, node_name):
        self.drain_node_called_with = node_name

    def describe(self, resource_type, name):
        self.describe_called_with = (resource_type, name)
        return {"type": resource_type, "name": name, "detail": "mock detail"}

    def tick(self):
        self.tick_called = True

    def get_observation(self):
        return self._observation

    def get_raw_state(self):
        return self._raw_state


class TestExecutorScale:
    def test_scale_calls_world_scale_and_ticks(self):
        mock_world = MockWorld()
        action = ScaleAction(action_type="scale", deployment="frontend", replicas=3)
        result = execute(action, mock_world)

        assert mock_world.scale_called_with == ("frontend", 3)
        assert mock_world.tick_called is True
        assert result.tick_advanced is True
        assert "Scaled" in result.action_applied

    def test_scale_action_applied_message(self):
        mock_world = MockWorld()
        action = ScaleAction(action_type="scale", deployment="frontend", replicas=5)
        result = execute(action, mock_world)

        assert result.action_applied == "Scaled 'frontend' to 5 replicas"


class TestExecutorDeletePod:
    def test_delete_pod_calls_world_and_ticks(self):
        mock_world = MockWorld()
        action = DeletePodAction(action_type="delete_pod", pod_name="frontend-7d9f-xkp2")
        result = execute(action, mock_world)

        assert mock_world.delete_pod_called_with == "frontend-7d9f-xkp2"
        assert mock_world.tick_called is True
        assert result.tick_advanced is True


class TestExecutorPatch:
    def test_patch_calls_world_and_ticks(self):
        mock_world = MockWorld()
        action = PatchAction(
            action_type="patch",
            resource_type="deployment",
            name="frontend",
            patch={"env": [{"name": "DB_HOST", "value": "db.prod.internal"}]}
        )
        result = execute(action, mock_world)

        assert mock_world.apply_patch_called_with == (
            "deployment",
            "frontend",
            {"env": [{"name": "DB_HOST", "value": "db.prod.internal"}]}
        )
        assert mock_world.tick_called is True
        assert result.tick_advanced is True


class TestExecutorRolloutRestart:
    def test_rollout_restart_calls_world_and_ticks(self):
        mock_world = MockWorld()
        action = RolloutRestartAction(action_type="rollout_restart", deployment="frontend")
        result = execute(action, mock_world)

        assert mock_world.rollout_restart_called_with == "frontend"
        assert mock_world.tick_called is True
        assert result.tick_advanced is True


class TestExecutorSetHPA:
    def test_set_hpa_calls_world_and_ticks(self):
        mock_world = MockWorld()
        action = SetHPAAction(
            action_type="set_hpa",
            deployment="api",
            min_replicas=2,
            max_replicas=10,
            cpu_target_percent=70
        )
        result = execute(action, mock_world)

        assert mock_world.set_hpa_called_with == ("api", 2, 10, 70)
        assert mock_world.tick_called is True
        assert result.tick_advanced is True


class TestExecutorDrainNode:
    def test_drain_node_calls_world_and_ticks(self):
        mock_world = MockWorld()
        action = DrainNodeAction(action_type="drain_node", node_name="node-1")
        result = execute(action, mock_world)

        assert mock_world.drain_node_called_with == "node-1"
        assert mock_world.tick_called is True
        assert result.tick_advanced is True


class TestExecutorDescribe:
    def test_describe_does_not_tick(self):
        mock_world = MockWorld()
        action = DescribeAction(
            action_type="describe",
            resource_type="deployment",
            name="frontend"
        )
        result = execute(action, mock_world)

        assert mock_world.describe_called_with == ("deployment", "frontend")
        assert mock_world.tick_called is False
        assert result.tick_advanced is False

    def test_describe_returns_detail(self):
        mock_world = MockWorld()
        action = DescribeAction(
            action_type="describe",
            resource_type="deployment",
            name="frontend"
        )
        result = execute(action, mock_world)

        assert result.describe_detail is not None
        assert result.describe_detail["type"] == "deployment"


class TestExecutorWait:
    def test_wait_ticks_without_other_world_mutations(self):
        mock_world = MockWorld()
        action = WaitAction(action_type="wait")
        result = execute(action, mock_world)

        assert mock_world.tick_called is True
        assert result.tick_advanced is True
        assert result.action_applied == "Waited one simulation tick"