87 lines
3.1 KiB
Python
87 lines
3.1 KiB
Python
import json
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import pytest
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from app import docker_v2_signing_key
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from image.docker.schema1 import DockerSchema1ManifestBuilder
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from image.docker.schema2.manifest import MalformedSchema2Manifest, DockerSchema2Manifest
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from image.docker.schema2.test.test_config import CONFIG_BYTES
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@pytest.mark.parametrize('json_data', [
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'',
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'{}',
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"""
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{
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"unknown": "key"
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}
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""",
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])
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def test_malformed_manifests(json_data):
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with pytest.raises(MalformedSchema2Manifest):
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DockerSchema2Manifest(json_data)
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MANIFEST_BYTES = json.dumps({
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"schemaVersion": 2,
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"mediaType": "application/vnd.docker.distribution.manifest.v2+json",
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"config": {
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"mediaType": "application/vnd.docker.container.image.v1+json",
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"size": 1885,
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"digest": "sha256:b5b2b2c507a0944348e0303114d8d93aaaa081732b86451d9bce1f432a537bc7"
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},
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"layers": [
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{
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"mediaType": "application/vnd.docker.image.rootfs.foreign.diff.tar.gzip",
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"size": 1234,
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"digest": "sha256:ec4b8955958665577945c89419d1af06b5f7636b4ac3da7f12184802ad867736",
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"urls": ['http://some/url'],
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},
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{
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"mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
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"size": 32654,
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"digest": "sha256:e692418e4cbaf90ca69d05a66403747baa33ee08806650b51fab815ad7fc331f"
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},
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{
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"mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
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"size": 16724,
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"digest": "sha256:3c3a4604a545cdc127456d94e421cd355bca5b528f4a9c1905b15da2eb4a4c6b"
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},
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{
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"mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
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"size": 73109,
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"digest": "sha256:ec4b8955958665577945c89419d1af06b5f7636b4ac3da7f12184802ad867736"
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},
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],
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})
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def test_valid_manifest():
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manifest = DockerSchema2Manifest(MANIFEST_BYTES)
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assert manifest.config.size == 1885
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assert str(manifest.config.digest) == 'sha256:b5b2b2c507a0944348e0303114d8d93aaaa081732b86451d9bce1f432a537bc7'
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assert len(manifest.layers) == 4
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assert manifest.layers[0].is_remote
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assert manifest.layers[0].size == 1234
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assert str(manifest.layers[0].digest) == 'sha256:ec4b8955958665577945c89419d1af06b5f7636b4ac3da7f12184802ad867736'
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assert manifest.layers[0].urls
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assert manifest.leaf_layer == manifest.layers[3]
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assert not manifest.leaf_layer.is_remote
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assert manifest.leaf_layer.size == 73109
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def test_build_schema1():
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manifest = DockerSchema2Manifest(MANIFEST_BYTES)
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builder = DockerSchema1ManifestBuilder('somenamespace', 'somename', 'sometag')
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manifest.populate_schema1_builder(builder, lambda digest: CONFIG_BYTES)
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schema1 = builder.build(docker_v2_signing_key)
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assert len(schema1.layers) == len(manifest.layers)
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assert set(schema1.image_ids) == set([l.v1_id for l in manifest.layers_with_v1_ids])
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assert set(schema1.parent_image_ids) == set([l.v1_parent_id for l in manifest.layers_with_v1_ids if l.v1_parent_id])
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manifest_layers = list(manifest.layers_with_v1_ids)
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for index, layer in enumerate(schema1.layers):
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assert layer.digest == manifest_layers[index].layer.digest
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assert layer.v1_metadata.image_id == manifest_layers[index].v1_id
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assert layer.v1_metadata.parent_image_id == manifest_layers[index].v1_parent_id
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