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authorJhon Honce <jhonce@redhat.com>2021-03-01 10:55:20 -0700
committerJhon Honce <jhonce@redhat.com>2021-03-01 13:15:59 -0700
commit7927fe01f165bb4a3f381601d847036a3a130182 (patch)
tree1ed8c48b6187a80b3822cf41431e92972fb0ad20 /test/python/docker/compat/test_images.py
parent73044b28172fd0df23836052a9061dc41f51f39a (diff)
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Refactor python tests to run against python3.9
* Introduce sub-package compat to meet packaging and import requirements * Update documenation for running tests * Add requirements.txt to improve IDE support Signed-off-by: Jhon Honce <jhonce@redhat.com>
Diffstat (limited to 'test/python/docker/compat/test_images.py')
-rw-r--r--test/python/docker/compat/test_images.py155
1 files changed, 155 insertions, 0 deletions
diff --git a/test/python/docker/compat/test_images.py b/test/python/docker/compat/test_images.py
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+import collections
+import os
+import subprocess
+import sys
+import time
+import unittest
+
+from docker import DockerClient, errors
+
+from test.python.docker import Podman
+from test.python.docker.compat import common, constant
+
+
+class TestImages(unittest.TestCase):
+ podman = None # initialized podman configuration for tests
+ service = None # podman service instance
+
+ def setUp(self):
+ super().setUp()
+ self.client = DockerClient(base_url="tcp://127.0.0.1:8080", timeout=15)
+
+ TestImages.podman.restore_image_from_cache(self.client)
+
+ def tearDown(self):
+ common.remove_all_images(self.client)
+ self.client.close()
+ return super().tearDown()
+
+ @classmethod
+ def setUpClass(cls):
+ super().setUpClass()
+ TestImages.podman = Podman()
+ TestImages.service = TestImages.podman.open(
+ "system", "service", "tcp:127.0.0.1:8080", "--time=0"
+ )
+ # give the service some time to be ready...
+ time.sleep(2)
+
+ returncode = TestImages.service.poll()
+ if returncode is not None:
+ raise subprocess.CalledProcessError(returncode, "podman system service")
+
+ @classmethod
+ def tearDownClass(cls):
+ TestImages.service.terminate()
+ stdout, stderr = TestImages.service.communicate(timeout=0.5)
+ if stdout:
+ sys.stdout.write("\nImages Service Stdout:\n" + stdout.decode("utf-8"))
+ if stderr:
+ sys.stderr.write("\nImAges Service Stderr:\n" + stderr.decode("utf-8"))
+
+ TestImages.podman.tear_down()
+ return super().tearDownClass()
+
+ def test_tag_valid_image(self):
+ """Validates if the image is tagged successfully"""
+ alpine = self.client.images.get(constant.ALPINE)
+ self.assertTrue(alpine.tag("demo", constant.ALPINE_SHORTNAME))
+
+ alpine = self.client.images.get(constant.ALPINE)
+ for t in alpine.tags:
+ self.assertIn("alpine", t)
+
+ # @unittest.skip("doesn't work now")
+ def test_retag_valid_image(self):
+ """Validates if name updates when the image is retagged"""
+ alpine = self.client.images.get(constant.ALPINE)
+ self.assertTrue(alpine.tag("demo", "rename"))
+
+ alpine = self.client.images.get(constant.ALPINE)
+ self.assertNotIn("demo:test", alpine.tags)
+
+ def test_list_images(self):
+ """List images"""
+ self.assertEqual(len(self.client.images.list()), 1)
+
+ # Add more images
+ self.client.images.pull(constant.BB)
+ self.assertEqual(len(self.client.images.list()), 2)
+
+ # List images with filter
+ self.assertEqual(
+ len(self.client.images.list(filters={"reference": "alpine"})), 1
+ )
+
+ def test_search_image(self):
+ """Search for image"""
+ for r in self.client.images.search("alpine"):
+ self.assertIn("alpine", r["Name"])
+
+ def test_search_bogus_image(self):
+ """Search for bogus image should throw exception"""
+ try:
+ r = self.client.images.search("bogus/bogus")
+ except:
+ return
+ self.assertTrue(len(r) == 0)
+
+ def test_remove_image(self):
+ """Remove image"""
+ # Check for error with wrong image name
+ with self.assertRaises(errors.NotFound):
+ self.client.images.remove("dummy")
+ self.assertEqual(len(self.client.images.list()), 1)
+
+ self.client.images.remove(constant.ALPINE)
+ self.assertEqual(len(self.client.images.list()), 0)
+
+ def test_image_history(self):
+ """Image history"""
+ img = self.client.images.get(constant.ALPINE)
+ history = img.history()
+ image_id = img.id[7:] if img.id.startswith("sha256:") else img.id
+
+ found = False
+ for change in history:
+ found |= image_id in change.values()
+ self.assertTrue(found, f"image id {image_id} not found in history")
+
+ def test_get_image_exists_not(self):
+ """Negative test for get image"""
+ with self.assertRaises(errors.NotFound):
+ response = self.client.images.get("image_does_not_exists")
+ collections.deque(response)
+
+ def test_save_image(self):
+ """Export Image"""
+ image = self.client.images.pull(constant.BB)
+
+ file = os.path.join(TestImages.podman.image_cache, "busybox.tar")
+ with open(file, mode="wb") as tarball:
+ for frame in image.save(named=True):
+ tarball.write(frame)
+ sz = os.path.getsize(file)
+ self.assertGreater(sz, 0)
+
+ def test_load_image(self):
+ """Import|Load Image"""
+ self.assertEqual(len(self.client.images.list()), 1)
+
+ image = self.client.images.pull(constant.BB)
+ file = os.path.join(TestImages.podman.image_cache, "busybox.tar")
+ with open(file, mode="wb") as tarball:
+ for frame in image.save():
+ tarball.write(frame)
+
+ with open(file, mode="rb") as saved:
+ _ = self.client.images.load(saved)
+
+ self.assertEqual(len(self.client.images.list()), 2)
+
+
+if __name__ == "__main__":
+ # Setup temporary space
+ unittest.main()