84 lines
3.2 KiB
Go
84 lines
3.2 KiB
Go
/*
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Copyright Docker attest authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package policy_test
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import (
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"context"
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"testing"
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"github.com/docker/attest/internal/test"
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"github.com/docker/attest/policy"
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"github.com/docker/attest/tuf"
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v1 "github.com/google/go-containerregistry/pkg/v1"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestResolvePolicy(t *testing.T) {
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localPolicyPath := "testdata/policies/allow"
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tufPolicyPath := "testdata/policies/allow-canonical"
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noLocalPolicyPath := "testdata/policies/no-policy"
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testPolicyID := "docker-official-images"
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testImageName := "localhost:5001/test/repo:tag"
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defaultPlatform, err := v1.ParsePlatform("linux/amd64")
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require.NoError(t, err)
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testCases := []struct {
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name string
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policyPath string
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policyID string
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localOverridesTUF bool // if a policy is provided locally, it should override TUF
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DisableTUF bool
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}{
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{name: "resolve by id (TUF only)", policyID: testPolicyID, DisableTUF: false},
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{name: "resolve by id (local mapping, TUF policy)", policyPath: noLocalPolicyPath, policyID: testPolicyID, DisableTUF: false},
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{name: "resolve by id (local mapping, local policy, no TUF)", policyPath: localPolicyPath, policyID: testPolicyID, DisableTUF: true},
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{name: "resolve by id (local mapping, local policy)", policyPath: localPolicyPath, policyID: testPolicyID, DisableTUF: false, localOverridesTUF: true},
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{name: "resolve by match (TUF only)", DisableTUF: false},
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{name: "resolve by match (local mapping, TUF policy)", policyPath: noLocalPolicyPath, DisableTUF: false},
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{name: "resolve by match (local mapping, local policy, no TUF)", policyPath: localPolicyPath, DisableTUF: true},
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{name: "resolve by match (local mapping, local policy)", policyPath: localPolicyPath, DisableTUF: false, localOverridesTUF: true},
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}
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var tufClient tuf.Downloader
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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opts := &policy.Options{}
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tempDir := test.CreateTempDir(t, "", "tuf-dest")
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if !tc.DisableTUF {
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tufClient = tuf.NewMockTufClient(tufPolicyPath)
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}
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if tc.policyID != "" {
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opts.PolicyID = tc.policyID
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}
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if tc.policyPath != "" {
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opts.LocalPolicyDir = tc.policyPath
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}
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opts.DisableTUF = tc.DisableTUF
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opts.LocalTargetsDir = tempDir
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resolver := policy.NewResolver(tufClient, opts)
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policy, err := resolver.ResolvePolicy(context.Background(), testImageName, defaultPlatform)
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require.NoError(t, err)
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assert.NotNil(t, policy)
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if tc.DisableTUF || tc.localOverridesTUF {
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assert.Contains(t, policy.URI, localPolicyPath)
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} else {
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assert.Contains(t, policy.URI, tufPolicyPath)
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}
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})
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}
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}
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