Files
kaniko/pkg/util/image_util_test.go
T
Sharif Elgamal effac9dfc3 Persistent volume caching for base images (#383)
* comments

* initial commit for persisent volume caching

* cache warmer works

* general cleanup

* adding some debugging

* adding missing files

* Fixing up cache retrieval and cleanup

* fix tests

* removing auth since we only cache public images

* simplifying the caching logic

* fixing logic

* adding volume cache to integration tests. remove auth from cache warmer image.

* add building warmer to integration-test

* move sample yaml files to examples dir

* small test fix
2018-10-11 13:38:05 -07:00

108 lines
2.7 KiB
Go

/*
Copyright 2018 Google LLC
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package util
import (
"bytes"
"testing"
"github.com/GoogleContainerTools/kaniko/pkg/config"
"github.com/GoogleContainerTools/kaniko/testutil"
"github.com/google/go-containerregistry/pkg/v1"
"github.com/google/go-containerregistry/pkg/v1/empty"
"github.com/moby/buildkit/frontend/dockerfile/instructions"
"github.com/moby/buildkit/frontend/dockerfile/parser"
)
var (
dockerfile = `
FROM gcr.io/distroless/base:latest as base
COPY . .
FROM scratch as second
ENV foopath context/foo
COPY --from=0 $foopath context/b* /foo/
FROM base
ARG file
COPY --from=second /foo $file`
)
func Test_StandardImage(t *testing.T) {
stages, err := parse(dockerfile)
if err != nil {
t.Error(err)
}
original := retrieveRemoteImage
defer func() {
retrieveRemoteImage = original
}()
mock := func(image string) (v1.Image, error) {
return nil, nil
}
retrieveRemoteImage = mock
actual, err := RetrieveSourceImage(config.KanikoStage{
Stage: stages[0],
}, nil, &config.KanikoOptions{})
testutil.CheckErrorAndDeepEqual(t, false, err, nil, actual)
}
func Test_ScratchImage(t *testing.T) {
stages, err := parse(dockerfile)
if err != nil {
t.Error(err)
}
actual, err := RetrieveSourceImage(config.KanikoStage{
Stage: stages[1],
}, nil, &config.KanikoOptions{})
expected := empty.Image
testutil.CheckErrorAndDeepEqual(t, false, err, expected, actual)
}
func Test_TarImage(t *testing.T) {
stages, err := parse(dockerfile)
if err != nil {
t.Error(err)
}
original := retrieveTarImage
defer func() {
retrieveTarImage = original
}()
mock := func(index int) (v1.Image, error) {
return nil, nil
}
retrieveTarImage = mock
actual, err := RetrieveSourceImage(config.KanikoStage{
BaseImageStoredLocally: true,
BaseImageIndex: 0,
Stage: stages[2],
}, nil, &config.KanikoOptions{})
testutil.CheckErrorAndDeepEqual(t, false, err, nil, actual)
}
// parse parses the contents of a Dockerfile and returns a list of commands
func parse(s string) ([]instructions.Stage, error) {
p, err := parser.Parse(bytes.NewReader([]byte(s)))
if err != nil {
return nil, err
}
stages, _, err := instructions.Parse(p.AST)
if err != nil {
return nil, err
}
return stages, err
}