This repository has been archived on 2020-03-24. You can view files and clone it, but cannot push or open issues or pull requests.
quay/image/docker/schema2/test/test_conversion.py

116 lines
5.1 KiB
Python
Raw Normal View History

import os
import json
import pytest
from image.docker.schema1 import DockerSchema1Manifest, DOCKER_SCHEMA1_CONTENT_TYPES
from image.docker.schema2.manifest import DockerSchema2Manifest
from image.docker.schemautil import ContentRetrieverForTesting
from util.bytes import Bytes
def _get_test_file_contents(test_name, kind):
filename = '%s.%s.json' % (test_name, kind)
data_dir = os.path.dirname(__file__)
with open(os.path.join(data_dir, 'conversion_data', filename), 'r') as f:
return Bytes.for_string_or_unicode(f.read())
@pytest.mark.parametrize('name, config_sha', [
('simple', 'sha256:e7a06c2e5b7afb1bbfa9124812e87f1138c4c10d77e0a217f0b8c8c9694dc5cf'),
('complex', 'sha256:ae6b78bedf88330a5e5392164f40d28ed8a38120b142905d30b652ebffece10e'),
('ubuntu', 'sha256:93fd78260bd1495afb484371928661f63e64be306b7ac48e2d13ce9422dfee26'),
])
def test_legacy_layers(name, config_sha):
cr = {}
cr[config_sha] = _get_test_file_contents(name, 'config').as_encoded_str()
retriever = ContentRetrieverForTesting(cr)
schema2 = DockerSchema2Manifest(_get_test_file_contents(name, 'schema2'))
schema1 = DockerSchema1Manifest(_get_test_file_contents(name, 'schema1'), validate=False)
# Check legacy layers
schema2_legacy_layers = list(schema2.generate_legacy_layers({}, retriever))
schema1_legacy_layers = list(schema1.generate_legacy_layers({}, retriever))
assert len(schema1_legacy_layers) == len(schema2_legacy_layers)
for index in range(0, len(schema1_legacy_layers)):
schema1_legacy_layer = schema1_legacy_layers[index]
schema2_legacy_layer = schema2_legacy_layers[index]
assert schema1_legacy_layer.content_checksum == schema2_legacy_layer.content_checksum
assert schema1_legacy_layer.comment == schema2_legacy_layer.comment
assert schema1_legacy_layer.command == schema2_legacy_layer.command
@pytest.mark.parametrize('name, config_sha', [
('simple', 'sha256:e7a06c2e5b7afb1bbfa9124812e87f1138c4c10d77e0a217f0b8c8c9694dc5cf'),
('complex', 'sha256:ae6b78bedf88330a5e5392164f40d28ed8a38120b142905d30b652ebffece10e'),
('ubuntu', 'sha256:93fd78260bd1495afb484371928661f63e64be306b7ac48e2d13ce9422dfee26'),
])
def test_conversion(name, config_sha):
cr = {}
cr[config_sha] = _get_test_file_contents(name, 'config').as_encoded_str()
retriever = ContentRetrieverForTesting(cr)
schema2 = DockerSchema2Manifest(_get_test_file_contents(name, 'schema2'))
schema1 = DockerSchema1Manifest(_get_test_file_contents(name, 'schema1'), validate=False)
s2to2 = schema2.convert_manifest([schema2.media_type], 'devtable', 'somerepo', 'latest',
retriever)
assert s2to2 == schema2
s1to1 = schema1.convert_manifest([schema1.media_type], 'devtable', 'somerepo', 'latest',
retriever)
assert s1to1 == schema1
s2to1 = schema2.convert_manifest(DOCKER_SCHEMA1_CONTENT_TYPES, 'devtable', 'somerepo', 'latest',
retriever)
assert s2to1.media_type in DOCKER_SCHEMA1_CONTENT_TYPES
assert len(s2to1.layers) == len(schema1.layers)
s2toempty = schema2.convert_manifest([], 'devtable', 'somerepo', 'latest', retriever)
assert s2toempty is None
@pytest.mark.parametrize('name, config_sha', [
('simple', 'sha256:e7a06c2e5b7afb1bbfa9124812e87f1138c4c10d77e0a217f0b8c8c9694dc5cf'),
('complex', 'sha256:ae6b78bedf88330a5e5392164f40d28ed8a38120b142905d30b652ebffece10e'),
('ubuntu', 'sha256:93fd78260bd1495afb484371928661f63e64be306b7ac48e2d13ce9422dfee26'),
])
def test_2to1_conversion(name, config_sha):
cr = {}
cr[config_sha] = _get_test_file_contents(name, 'config').as_encoded_str()
retriever = ContentRetrieverForTesting(cr)
schema2 = DockerSchema2Manifest(_get_test_file_contents(name, 'schema2'))
schema1 = DockerSchema1Manifest(_get_test_file_contents(name, 'schema1'), validate=False)
converted = schema2.get_schema1_manifest('devtable', 'somerepo', 'latest', retriever)
assert len(converted.layers) == len(schema1.layers)
image_id_map = {}
for index in range(0, len(converted.layers)):
converted_layer = converted.layers[index]
schema1_layer = schema1.layers[index]
image_id_map[schema1_layer.v1_metadata.image_id] = converted_layer.v1_metadata.image_id
assert str(schema1_layer.digest) == str(converted_layer.digest)
schema1_parent_id = schema1_layer.v1_metadata.parent_image_id
converted_parent_id = converted_layer.v1_metadata.parent_image_id
assert (schema1_parent_id is None) == (converted_parent_id is None)
if schema1_parent_id is not None:
assert image_id_map[schema1_parent_id] == converted_parent_id
assert schema1_layer.v1_metadata.created == converted_layer.v1_metadata.created
assert schema1_layer.v1_metadata.comment == converted_layer.v1_metadata.comment
assert schema1_layer.v1_metadata.command == converted_layer.v1_metadata.command
assert schema1_layer.v1_metadata.labels == converted_layer.v1_metadata.labels
schema1_container_config = json.loads(schema1_layer.raw_v1_metadata)['container_config']
converted_container_config = json.loads(converted_layer.raw_v1_metadata)['container_config']
assert schema1_container_config == converted_container_config