947c029afa
This also moves the conversion golden data into files to make it easier to add additional tests
81 lines
3.5 KiB
Python
81 lines
3.5 KiB
Python
import os
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import json
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import pytest
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from image.docker.schema1 import DockerSchema1Manifest
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from image.docker.schema2.manifest import DockerSchema2Manifest
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from image.docker.schemautil import ContentRetrieverForTesting
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def _get_test_file_contents(test_name, kind):
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filename = '%s.%s.json' % (test_name, kind)
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data_dir = os.path.dirname(__file__)
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with open(os.path.join(data_dir, 'conversion_data', filename), 'r') as f:
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return f.read()
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@pytest.mark.parametrize('name, config_sha', [
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('simple', 'sha256:e7a06c2e5b7afb1bbfa9124812e87f1138c4c10d77e0a217f0b8c8c9694dc5cf'),
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('complex', 'sha256:ae6b78bedf88330a5e5392164f40d28ed8a38120b142905d30b652ebffece10e'),
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])
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def test_legacy_layers(name, config_sha):
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cr = {}
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cr[config_sha] = _get_test_file_contents(name, 'config')
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retriever = ContentRetrieverForTesting(cr)
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schema2 = DockerSchema2Manifest(_get_test_file_contents(name, 'schema2'))
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schema1 = DockerSchema1Manifest(_get_test_file_contents(name, 'schema1'), validate=False)
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# Check legacy layers
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schema2_legacy_layers = list(schema2.generate_legacy_layers({}, retriever))
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schema1_legacy_layers = list(schema1.generate_legacy_layers({}, retriever))
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assert len(schema1_legacy_layers) == len(schema2_legacy_layers)
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for index in range(0, len(schema1_legacy_layers)):
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schema1_legacy_layer = schema1_legacy_layers[index]
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schema2_legacy_layer = schema2_legacy_layers[index]
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assert schema1_legacy_layer.content_checksum == schema2_legacy_layer.content_checksum
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assert schema1_legacy_layer.comment == schema2_legacy_layer.comment
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assert schema1_legacy_layer.command == schema2_legacy_layer.command
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@pytest.mark.parametrize('name, config_sha', [
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('simple', 'sha256:e7a06c2e5b7afb1bbfa9124812e87f1138c4c10d77e0a217f0b8c8c9694dc5cf'),
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('complex', 'sha256:ae6b78bedf88330a5e5392164f40d28ed8a38120b142905d30b652ebffece10e'),
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])
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def test_conversion(name, config_sha):
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cr = {}
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cr[config_sha] = _get_test_file_contents(name, 'config')
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retriever = ContentRetrieverForTesting(cr)
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schema2 = DockerSchema2Manifest(_get_test_file_contents(name, 'schema2'))
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schema1 = DockerSchema1Manifest(_get_test_file_contents(name, 'schema1'), validate=False)
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converted = schema2.get_schema1_manifest('devtable', 'somerepo', 'latest', retriever)
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assert len(converted.layers) == len(schema1.layers)
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image_id_map = {}
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for index in range(0, len(converted.layers)):
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converted_layer = converted.layers[index]
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schema1_layer = schema1.layers[index]
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image_id_map[schema1_layer.v1_metadata.image_id] = converted_layer.v1_metadata.image_id
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assert str(schema1_layer.digest) == str(converted_layer.digest)
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schema1_parent_id = schema1_layer.v1_metadata.parent_image_id
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converted_parent_id = converted_layer.v1_metadata.parent_image_id
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assert (schema1_parent_id is None) == (converted_parent_id is None)
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if schema1_parent_id is not None:
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assert image_id_map[schema1_parent_id] == converted_parent_id
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assert schema1_layer.v1_metadata.created == converted_layer.v1_metadata.created
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assert schema1_layer.v1_metadata.comment == converted_layer.v1_metadata.comment
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assert schema1_layer.v1_metadata.command == converted_layer.v1_metadata.command
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assert schema1_layer.v1_metadata.labels == converted_layer.v1_metadata.labels
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schema1_container_config = json.loads(schema1_layer.raw_v1_metadata)['container_config']
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converted_container_config = json.loads(converted_layer.raw_v1_metadata)['container_config']
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assert schema1_container_config == converted_container_config
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