mirror of
https://github.com/opencontainers/image-spec.git
synced 2026-02-05 09:45:41 +01:00
405 lines
9.6 KiB
Go
405 lines
9.6 KiB
Go
// Copyright 2016 The Linux Foundation
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package schema_test
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import (
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"strings"
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"testing"
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"github.com/opencontainers/image-spec/schema"
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)
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func TestDescriptor(t *testing.T) {
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for i, tt := range []struct {
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descriptor string
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fail bool
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}{
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// valid descriptor
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"size": 7682,
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"digest": "sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270"
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}
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`,
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fail: false,
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},
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// zero length blob
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{
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descriptor: `
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{
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"mediaType": "application/octet-stream",
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"size": 0,
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"digest": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
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}
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`,
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fail: false,
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},
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// expected failure: mediaType missing
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{
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descriptor: `
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{
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"size": 7682,
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"digest": "sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270"
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}
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`,
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fail: true,
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},
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// expected failure: mediaType does not match pattern (no subtype)
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{
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descriptor: `
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{
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"mediaType": "application",
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"size": 7682,
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"digest": "sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270"
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}
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`,
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fail: true,
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},
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// expected failure: mediaType does not match pattern (invalid first type character)
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{
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descriptor: `
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{
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"mediaType": ".foo/bar",
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"size": 7682,
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"digest": "sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270"
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}
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`,
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fail: true,
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},
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// expected failure: mediaType does not match pattern (invalid first subtype character)
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{
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descriptor: `
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{
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"mediaType": "foo/.bar",
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"size": 7682,
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"digest": "sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270"
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}
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`,
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fail: true,
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},
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// expected success: mediaType has type and subtype as long as possible
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{
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descriptor: `
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{
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"mediaType": "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567/1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567",
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"size": 7682,
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"digest": "sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270"
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}
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`,
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fail: false,
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},
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// expected failure: mediaType does not match pattern (type too long)
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{
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descriptor: `
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{
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"mediaType": "12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678/bar",
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"size": 7682,
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"digest": "sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270"
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}
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`,
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fail: true,
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},
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// expected failure: mediaType does not match pattern (subtype too long)
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{
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descriptor: `
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{
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"mediaType": "foo/12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678",
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"size": 7682,
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"digest": "sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270"
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}
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`,
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fail: true,
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},
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// expected failure: size missing
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"digest": "sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270"
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}
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`,
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fail: true,
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},
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// expected failure: size is a string, expected integer
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"size": "7682",
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"digest": "sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270"
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}
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`,
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fail: true,
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},
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// expected failure: digest missing
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"size": 7682
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}
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`,
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fail: true,
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},
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// expected failure: digest does not match pattern (no algorithm)
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"size": 7682,
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"digest": ":5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270"
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}
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`,
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fail: true,
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},
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// expected failure: digest does not match pattern (no hash)
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"size": 7682,
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"digest": "sha256"
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}
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`,
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fail: true,
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},
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// expected failure: digest does not match pattern (invalid aglorithm characters)
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"size": 7682,
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"digest": "SHA256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270"
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}
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`,
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fail: true,
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},
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// expected failure: digest does not match pattern (characters needs to be lower for sha256)
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"size": 7682,
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"digest": "sha256:5B0BCABD1ED22E9FB1310CF6C2DEC7CDEF19F0AD69EFA1F392E94A4333501270"
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}
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`,
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fail: true,
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},
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// expected success: valid URL entry
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"size": 7682,
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"digest": "sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270",
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"urls": [
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"https://example.com/foo"
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]
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}
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`,
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fail: false,
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},
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// expected failure: urls does not match format (invalide url characters)
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"size": 7682,
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"digest": "sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270",
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"urls": [
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"value"
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]
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}
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`,
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fail: true,
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},
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// expected success: artifactType is present and an IANA compliant value
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"artifactType": "application/vnd.oci.image.manifest.v1+json",
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"size": 7682,
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"digest": "sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270"
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}
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`,
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fail: false,
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},
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// expected failure: artifactType does not match pattern (invalid first subtype character)
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"artifactType": "foo/.bar",
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"size": 7682,
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"digest": "sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270"
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}
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`,
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fail: true,
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},
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// expected success: data field is present and has base64 content
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{
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descriptor: `
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{
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"mediaType": "text/plain",
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"size": 34,
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"data": "aHR0cHM6Ly9naXRodWIuY29tL29wZW5jb250YWluZXJzCg==",
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"digest": "sha256:2690af59371e9eca9453dc29882643f46e5ca47ec2862bd517b5e17351325153"
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}
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`,
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fail: false,
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},
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// expected success: test for alternate digest algorithm
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.config.v1+json",
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"size": 1470,
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"digest": "sha256+b64:c86f7763873b6c0aae22d963bab59b4f5debbed6685761b5951584f6efb0633b"
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}`,
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fail: false,
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},
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// expected success: test for alternate digest algorithm
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.config.v1+json",
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"size": 1470,
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"digest": "sha256+b64:c86f7763873b6c0aae22d963bab59b4f5debbed6685761b5951584f6efb0633b"
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}`,
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fail: false,
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},
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// expected success: test for alternate digest algorithm
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.config.v1+json",
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"size": 1470,
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"digest": "sha256+foo-bar:c86f7763873b6c0aae22d963bab59b4f5debbed6685761b5951584f6efb0633b"
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}`,
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fail: false,
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},
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// expected success: test for alternate digest algorithm
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.config.v1+json",
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"size": 1470,
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"digest": "sha256.foo-bar:c86f7763873b6c0aae22d963bab59b4f5debbed6685761b5951584f6efb0633b"
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}`,
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fail: false,
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},
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// expected success: test for alternate digest algorithm
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.config.v1+json",
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"size": 1470,
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"digest": "multihash+base58:QmRZxt2b1FVZPNqd8hsiykDL3TdBDeTSPX9Kv46HmX4Gx8"
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}`,
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fail: false,
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},
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// fail: repeated separators in algorithm
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.config.v1+json",
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"size": 1470,
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"digest": "sha256+foo+-b:c86f7763873b6c0aae22d963bab59b4f5debbed6685761b5951584f6efb0633b"
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}`,
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fail: true,
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},
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// expected success: test for alternate digest encoding
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{
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descriptor: `
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{
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"digest": "sha256+b64u:LCa0a2j_xo_5m0U8HTBBNBNCLXBkg7-g-YpeiGJm564",
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"size": 1000000,
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"mediaType": "application/vnd.oci.image.config.v1+json"
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}`,
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fail: false,
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},
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// expected success: test for those who cannot use modulo arithmetic to recover padding.
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{
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descriptor: `
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{
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"digest": "sha256+b64u.unknownlength:LCa0a2j_xo_5m0U8HTBBNBNCLXBkg7-g-YpeiGJm564=",
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"size": 1000000,
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"mediaType": "application/vnd.oci.image.config.v1+json"
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}`,
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},
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// expected failure: invalid data base64, missing padding
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{
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descriptor: `
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{
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"mediaType": "text/plain",
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"size": 34,
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"data": "aHR0cHM6Ly9naXRodWIuY29tL29wZW5jb250YWluZXJzCg",
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"digest": "sha256:2690af59371e9eca9453dc29882643f46e5ca47ec2862bd517b5e17351325153"
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}`,
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fail: true,
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},
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// expected failure: negative size
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{
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descriptor: `
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"size": -7682,
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"digest": "sha256:5b0bcabd1ed22e9fb1310cf6c2dec7cdef19f0ad69efa1f392e94a4333501270"
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}`,
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fail: true,
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},
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} {
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r := strings.NewReader(tt.descriptor)
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err := schema.ValidatorMediaTypeDescriptor.Validate(r)
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if got := err != nil; tt.fail != got {
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t.Errorf("test %d: expected validation failure %t but got %t, err %v", i, tt.fail, got, err)
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}
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}
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}
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