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manifest: improve test output and use const

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Use consts to make clear these values are fixed, and improve the output
to make it clearer which part is the expected output, and which part
the actual.

Before this:

    === RUN   TestManifest
        manifest_test.go:87: manifest bytes not equal: "{\n   \"schemaVersion\": 2,\n   \"mediaType\": \"application/vnd.oci.image.manifest.v1+json\",\n   \"config\": {\n      \"mediaType\": \"application/vnd.oci.image.config.v1+json\",\n      \"size\": 985,\n      \"digest\": \"sha256:1a9ec845ee94c202b2d5da74a24f0ed2058318bfa9879fa541efaecba272e86b\",\n      \"annotations\": {\n         \"apple\": \"orange\"\n      }\n   },\n   \"layers\": [\n      {\n         \"mediaType\": \"application/vnd.oci.image.layer.v1.tar+gzip\",\n         \"size\": 153263,\n         \"digest\": \"sha256:62d8908bee94c202b2d35224a221aaa2058318bfa9879fa541efaecba272331b\",\n         \"annotations\": {\n            \"lettuce\": \"wrap\"\n         }\n      }\n   ],\n   \"annotations\": {\n      \"hot\": \"potato\"\n   }\n}" != "{\n   \"schemaVersion\": 2,\n   \"mediaType\": \"application/vnd.oci.image.manifest.v1+json\",\n   \"config\": {\n      \"mediaType\": \"application/vnd.oci.image.config.v1+json\",\n      \"size\": 985,\n      \"digest\": \"sha256:1a9ec845ee94c202b2d5da74a24f0ed2058318bfa9879fa541efaecba272e86b\",\n      \"annotations\": {\n         \"apple\": \"orange\"\n      }\n   },\n   \"layers\": [\n      {\n         \"mediaType\": \"application/vnd.oci.image.layer.v1.tar+gzip\",\n         \"size\": 153263,\n         \"digest\": \"sha256:62d8908bee94c202b2d35224a221aaa2058318bfa9879fa541efaecba272331b\",\n         \"annotations\": {\n            \"lettuce\": \"wrap\"\n         }\n      }\n   ],\n   \"annotations\": {\n      \"hot\": \"potato\"\n   }\n}"
    --- FAIL: TestManifest (0.00s)

After this:

    === RUN   TestManifest
        manifest_test.go:72: manifest bytes not equal:
            expected:
            {
               "schemaVersion": 2,
               "mediaType": "application/vnd.docker.distribution.manifest.v2+json",
               "config": {
                  "mediaType": "application/vnd.docker.container.image.v1+json",
                  "size": 985,
                  "digest": "sha256:1a9ec845ee94c202b2d5da74a24f0ed2058318bfa9879fa541efaecba272e86b"
               },
               "layers": [
                  {
                     "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
                     "size": 153263,
                     "digest": "sha256:62d8908bee94c202b2d35224a221aaa2058318bfa9879fa541efaecba272331b"
                  }
               ]
            }
            actual:
            {
               "schemaVersion": 2,
               "mediaType": "application/vnd.docker.distribution.manifest.v2+json",
               "config": {
                  "mediaType": "application/vnd.docker.container.image.v1+json",
                  "size": 985,
                  "digest": "sha256:1a9ec845ee94c202b2d5da74a24f0ed2058318bfa9879fa541efaecba272e86b"
               },
               "layers": [
                  {
                     "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
                     "size": 153263,
                     "digest": "sha256:62d8908bee94c202b2d35224a221aaa2058318bfa9879fa541efaecba272331b"
                  }
               ]
            }
    --- FAIL: TestManifest (0.00s)

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2022-11-26 14:00:37 +01:00
parent f2db7faa2f
commit 0b4311d5ce
No known key found for this signature in database
GPG key ID: 76698F39D527CE8C
4 changed files with 31 additions and 31 deletions
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14
manifest/schema2/manifest_test.go
View file

@ -10,7 +10,7 @@ import (
"github.com/distribution/distribution/v3/manifest"
)
var expectedManifestSerialization = []byte(`{
const expectedManifestSerialization = `{
"schemaVersion": 2,
"mediaType": "application/vnd.docker.distribution.manifest.v2+json",
"config": {
@ -25,7 +25,7 @@ var expectedManifestSerialization = []byte(`{
"digest": "sha256:62d8908bee94c202b2d35224a221aaa2058318bfa9879fa541efaecba272331b"
}
]
}`)
}`
func makeTestManifest(mediaType string) Manifest {
return Manifest{
@ -64,17 +64,17 @@ func TestManifest(t *testing.T) {
// Check that the canonical field is the same as json.MarshalIndent
// with these parameters.
p, err := json.MarshalIndent(&mfst, "", " ")
expected, err := json.MarshalIndent(&mfst, "", " ")
if err != nil {
t.Fatalf("error marshaling manifest: %v", err)
}
if !bytes.Equal(p, canonical) {
t.Fatalf("manifest bytes not equal: %q != %q", string(canonical), string(p))
if !bytes.Equal(expected, canonical) {
t.Fatalf("manifest bytes not equal:\nexpected:\n%s\nactual:\n%s\n", string(expected), string(canonical))
}
// Check that canonical field matches expected value.
if !bytes.Equal(expectedManifestSerialization, canonical) {
t.Fatalf("manifest bytes not equal: %q != %q", string(canonical), string(expectedManifestSerialization))
if !bytes.Equal([]byte(expectedManifestSerialization), canonical) {
t.Fatalf("manifest bytes not equal:\nexpected:\n%s\nactual:\n%s\n", expectedManifestSerialization, string(canonical))
}
var unmarshalled DeserializedManifest