summaryrefslogtreecommitdiff
path: root/test/python/docker/test_containers.py
blob: 20d8417c3f1d09acf943bd77046b201b8ad27278 (plain)
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
188
189
import subprocess
import sys
import time
import unittest

from docker import DockerClient, errors

from test.python.docker import Podman, common, constant


class TestContainers(unittest.TestCase):
    podman = None  # initialized podman configuration for tests
    service = None  # podman service instance
    topContainerId = ""

    def setUp(self):
        super().setUp()
        self.client = DockerClient(base_url="tcp://127.0.0.1:8080", timeout=15)
        TestContainers.podman.restore_image_from_cache(self.client)
        TestContainers.topContainerId = common.run_top_container(self.client)
        self.assertIsNotNone(TestContainers.topContainerId)

    def tearDown(self):
        common.remove_all_containers(self.client)
        common.remove_all_images(self.client)
        self.client.close()
        return super().tearDown()

    @classmethod
    def setUpClass(cls):
        super().setUpClass()
        TestContainers.podman = Podman()
        TestContainers.service = TestContainers.podman.open(
            "system", "service", "tcp:127.0.0.1:8080", "--time=0"
        )
        # give the service some time to be ready...
        time.sleep(2)

        rc = TestContainers.service.poll()
        if rc is not None:
            raise subprocess.CalledProcessError(rc, "podman system service")

    @classmethod
    def tearDownClass(cls):
        TestContainers.service.terminate()
        stdout, stderr = TestContainers.service.communicate(timeout=0.5)
        if stdout:
            sys.stdout.write("\nContainers Service Stdout:\n" + stdout.decode("utf-8"))
        if stderr:
            sys.stderr.write("\nContainers Service Stderr:\n" + stderr.decode("utf-8"))

        TestContainers.podman.tear_down()
        return super().tearDownClass()

    def test_create_container(self):
        # Run a container with detach mode
        self.client.containers.create(image="alpine", detach=True)
        self.assertEqual(len(self.client.containers.list(all=True)), 2)

    def test_create_network(self):
        net = self.client.networks.create("testNetwork", driver="bridge")
        ctnr = self.client.containers.create(image="alpine", detach=True)

        #  TODO fix when ready
        # This test will not work until all connect|disconnect
        # code is fixed.
        # net.connect(ctnr)

        # nets = self.client.networks.list(greedy=True)
        # self.assertGreaterEqual(len(nets), 1)

        # TODO fix endpoint to include containers
        # for n in nets:
        #     if n.id == "testNetwork":
        #         self.assertEqual(ctnr.id, n.containers)
        # self.assertTrue(False, "testNetwork not found")

    def test_start_container(self):
        # Podman docs says it should give a 304 but returns with no response
        # # Start a already started container should return 304
        # response = self.client.api.start(container=TestContainers.topContainerId)
        # self.assertEqual(error.exception.response.status_code, 304)

        # Create a new container and validate the count
        self.client.containers.create(image=constant.ALPINE, name="container2")
        containers = self.client.containers.list(all=True)
        self.assertEqual(len(containers), 2)

    def test_stop_container(self):
        top = self.client.containers.get(TestContainers.topContainerId)
        self.assertEqual(top.status, "running")

        # Stop a running container and validate the state
        top.stop()
        top.reload()
        self.assertIn(top.status, ("stopped", "exited"))

    def test_restart_container(self):
        # Validate the container state
        top = self.client.containers.get(TestContainers.topContainerId)
        top.stop()
        top.reload()
        self.assertIn(top.status, ("stopped", "exited"))

        # restart a running container and validate the state
        top.restart()
        top.reload()
        self.assertEqual(top.status, "running")

    def test_remove_container(self):
        # Remove container by ID with force
        top = self.client.containers.get(TestContainers.topContainerId)
        top.remove(force=True)
        self.assertEqual(len(self.client.containers.list()), 0)

    def test_remove_container_without_force(self):
        # Validate current container count
        self.assertTrue(len(self.client.containers.list()), 1)

        # Remove running container should throw error
        top = self.client.containers.get(TestContainers.topContainerId)
        with self.assertRaises(errors.APIError) as error:
            top.remove()
        self.assertEqual(error.exception.response.status_code, 500)

        # Remove container by ID without force
        top.stop()
        top.remove()
        self.assertEqual(len(self.client.containers.list()), 0)

    def test_pause_container(self):
        # Validate the container state
        top = self.client.containers.get(TestContainers.topContainerId)
        self.assertEqual(top.status, "running")

        # Pause a running container and validate the state
        top.pause()
        top.reload()
        self.assertEqual(top.status, "paused")

    def test_pause_stopped_container(self):
        # Stop the container
        top = self.client.containers.get(TestContainers.topContainerId)
        top.stop()

        # Pause exited container should trow error
        with self.assertRaises(errors.APIError) as error:
            top.pause()
        self.assertEqual(error.exception.response.status_code, 500)

    def test_unpause_container(self):
        top = self.client.containers.get(TestContainers.topContainerId)

        # Validate the container state
        top.pause()
        top.reload()
        self.assertEqual(top.status, "paused")

        # Pause a running container and validate the state
        top.unpause()
        top.reload()
        self.assertEqual(top.status, "running")

    def test_list_container(self):
        # Add container and validate the count
        self.client.containers.create(image="alpine", detach=True)
        containers = self.client.containers.list(all=True)
        self.assertEqual(len(containers), 2)

    def test_filters(self):
        self.skipTest("TODO Endpoint does not yet support filters")

        # List container with filter by id
        filters = {"id": TestContainers.topContainerId}
        ctnrs = self.client.containers.list(all=True, filters=filters)
        self.assertEqual(len(ctnrs), 1)

        # List container with filter by name
        filters = {"name": "top"}
        ctnrs = self.client.containers.list(all=True, filters=filters)
        self.assertEqual(len(ctnrs), 1)

    def test_rename_container(self):
        top = self.client.containers.get(TestContainers.topContainerId)

        # rename bogus container
        with self.assertRaises(errors.APIError) as error:
            top.rename(name="newname")
        self.assertEqual(error.exception.response.status_code, 404)