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|
// Copyright 2021 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package command_test
import (
"bytes"
"fmt"
"os"
"path/filepath"
"strings"
"testing"
"github.com/spf13/cobra"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"sigs.k8s.io/kustomize/kyaml/fn/framework"
"sigs.k8s.io/kustomize/kyaml/fn/framework/command"
"sigs.k8s.io/kustomize/kyaml/fn/framework/frameworktestutil"
"sigs.k8s.io/kustomize/kyaml/kio"
"sigs.k8s.io/kustomize/kyaml/yaml"
)
func TestCommand_dockerfile(t *testing.T) {
d := t.TempDir()
// create a function
cmd := command.Build(&framework.SimpleProcessor{}, command.StandaloneEnabled, false)
// add the Dockerfile generator
command.AddGenerateDockerfile(cmd)
// generate the Dockerfile
cmd.SetArgs([]string{"gen", d})
if !assert.NoError(t, cmd.Execute()) {
t.FailNow()
}
b, err := os.ReadFile(filepath.Join(d, "Dockerfile"))
if !assert.NoError(t, err) {
t.FailNow()
}
expected := `FROM public.ecr.aws/docker/library/golang:1.22.7-bullseye as builder
ENV CGO_ENABLED=0
WORKDIR /go/src/
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN go build -ldflags '-w -s' -v -o /usr/local/bin/function ./
FROM alpine:latest
COPY --from=builder /usr/local/bin/function /usr/local/bin/function
ENTRYPOINT ["function"]
`
if !assert.Equal(t, expected, string(b)) {
t.FailNow()
}
}
// TestCommand_standalone tests the framework works in standalone mode
func TestCommand_standalone(t *testing.T) {
var config struct {
A string `json:"a" yaml:"a"`
B int `json:"b" yaml:"b"`
}
fn := func(items []*yaml.RNode) ([]*yaml.RNode, error) {
items = append(items, yaml.MustParse(`
apiVersion: apps/v1
kind: Deployment
metadata:
name: bar1
namespace: default
annotations:
foo: bar1
`))
for i := range items {
err := items[i].PipeE(yaml.SetAnnotation("a", config.A))
if err != nil {
return nil, err
}
err = items[i].PipeE(yaml.SetAnnotation("b", fmt.Sprintf("%v", config.B)))
if err != nil {
return nil, err
}
}
return items, nil
}
cmdFn := func() *cobra.Command {
return command.Build(&framework.SimpleProcessor{Filter: kio.FilterFunc(fn), Config: &config}, command.StandaloneEnabled, false)
}
tc := frameworktestutil.CommandResultsChecker{Command: cmdFn}
tc.Assert(t)
}
func TestCommand_standalone_stdin(t *testing.T) {
var config struct {
A string `json:"a" yaml:"a"`
B int `json:"b" yaml:"b"`
}
p := &framework.SimpleProcessor{
Config: &config,
Filter: kio.FilterFunc(func(items []*yaml.RNode) ([]*yaml.RNode, error) {
items = append(items, yaml.MustParse(`
apiVersion: apps/v1
kind: Deployment
metadata:
name: bar2
namespace: default
annotations:
foo: bar2
`))
for i := range items {
err := items[i].PipeE(yaml.SetAnnotation("a", config.A))
if err != nil {
return nil, err
}
err = items[i].PipeE(yaml.SetAnnotation("b", fmt.Sprintf("%v", config.B)))
if err != nil {
return nil, err
}
}
return items, nil
}),
}
cmd := command.Build(p, command.StandaloneEnabled, false)
cmd.SetIn(bytes.NewBufferString(`
apiVersion: apps/v1
kind: Deployment
metadata:
name: bar1
namespace: default
annotations:
foo: bar1
spec:
replicas: 1
`))
var out bytes.Buffer
cmd.SetOut(&out)
cmd.SetArgs([]string{filepath.Join("testdata", "standalone", "config.yaml"), "-"})
require.NoError(t, cmd.Execute())
require.Equal(t, strings.TrimSpace(`
apiVersion: apps/v1
kind: Deployment
metadata:
name: bar1
namespace: default
annotations:
foo: bar1
a: 'c'
b: '1'
spec:
replicas: 1
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: bar2
namespace: default
annotations:
foo: bar2
a: 'c'
b: '1'
`), strings.TrimSpace(out.String()))
}
|
