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"""
Integration tests for exercising docker-py against Podman Service.
"""
import io
import os
import unittest
from docker import errors
# pylint: disable=no-name-in-module,import-error,wrong-import-order
from test.python.docker.compat import common, constant
class TestImages(common.DockerTestCase):
"""TestCase for exercising images."""
def test_tag_valid_image(self):
"""Validates if the image is tagged successfully"""
alpine = self.docker.images.get(constant.ALPINE)
self.assertTrue(alpine.tag("demo", constant.ALPINE_SHORTNAME))
alpine = self.docker.images.get(constant.ALPINE)
for tag in alpine.tags:
self.assertIn("alpine", tag)
def test_retag_valid_image(self):
"""Validates if name updates when the image is re-tagged."""
alpine = self.docker.images.get(constant.ALPINE)
self.assertTrue(alpine.tag("demo", "rename"))
alpine = self.docker.images.get(constant.ALPINE)
self.assertNotIn("demo:test", alpine.tags)
def test_list_images(self):
"""List images"""
self.assertEqual(len(self.docker.images.list()), 1)
# Add more images
self.docker.images.pull(constant.BB)
self.assertEqual(len(self.docker.images.list()), 2)
self.assertEqual(len(self.docker.images.list(all=True)), 2)
# List images with filter
self.assertEqual(len(self.docker.images.list(filters={"reference": "alpine"})), 1)
def test_search_image(self):
"""Search for image"""
for registry in self.docker.images.search("alpine"):
# registry matches if string is in either one
self.assertIn("alpine", registry["Name"] + " " + registry["Description"].lower())
def test_search_bogus_image(self):
"""Search for bogus image should throw exception"""
with self.assertRaises(errors.APIError):
self.docker.images.search("bogus/bogus")
def test_remove_image(self):
"""Remove image"""
# Check for error with wrong image name
with self.assertRaises(errors.NotFound):
self.docker.images.remove("dummy")
common.remove_all_containers(self.docker)
self.assertEqual(len(self.docker.images.list()), 1)
self.docker.images.remove(constant.ALPINE)
self.assertEqual(len(self.docker.images.list()), 0)
def test_image_history(self):
"""Image history"""
img = self.docker.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):
self.docker.images.get("image_does_not_exists")
def test_save_image(self):
"""Export Image"""
image = self.docker.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)
self.assertGreater(os.path.getsize(file), 0)
def test_load_image(self):
"""Import|Load Image"""
self.assertEqual(len(self.docker.images.list()), 1)
image = self.docker.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.docker.images.load(saved)
self.assertEqual(len(self.docker.images.list()), 2)
def test_load_corrupt_image(self):
"""Import|Load Image failure"""
tarball = io.BytesIO("This is a corrupt tarball".encode("utf-8"))
with self.assertRaises(errors.APIError):
self.docker.images.load(tarball)
def test_build_image(self):
"""Build Image with custom labels."""
labels = {"apple": "red", "grape": "green"}
self.docker.images.build(
path="test/python/docker/build_labels",
labels=labels,
tag="labels",
isolation="default",
)
image = self.docker.images.get("labels")
self.assertEqual(image.labels["apple"], labels["apple"])
self.assertEqual(image.labels["grape"], labels["grape"])
if __name__ == "__main__":
# Setup temporary space
unittest.main()
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