/
cmdcreatesetter_test.go
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/
cmdcreatesetter_test.go
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// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package commands_test
import (
"bytes"
"io/ioutil"
"os"
"path/filepath"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"sigs.k8s.io/kustomize/cmd/config/internal/commands"
"sigs.k8s.io/kustomize/kyaml/copyutil"
"sigs.k8s.io/kustomize/kyaml/openapi"
)
func TestCreateSetterCommand(t *testing.T) {
var tests = []struct {
name string
input string
args []string
schema string
out string
inputOpenAPI string
expectedOpenAPI string
expectedResources string
err string
}{
{
name: "add replicas",
args: []string{"replicas", "3", "--description", "hello world", "--set-by", "me"},
input: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
out: `created setter "replicas"`,
expectedOpenAPI: `
apiVersion: v1alpha1
kind: Example
openAPI:
definitions:
io.k8s.cli.setters.replicas:
description: hello world
x-k8s-cli:
setter:
name: replicas
value: "3"
setBy: me
`,
expectedResources: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3 # {"$openapi":"replicas"}
`,
},
{
name: "add replicas no match",
args: []string{"replicas", "3", "--description", "hello world", "--set-by", "me"},
input: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
foo: 2
`,
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
out: `created setter "replicas"`,
expectedOpenAPI: `
apiVersion: v1alpha1
kind: Example
openAPI:
definitions:
io.k8s.cli.setters.replicas:
description: hello world
x-k8s-cli:
setter:
name: replicas
value: "3"
setBy: me
`,
expectedResources: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
foo: 2
`,
},
{
name: "error if substitution with same name exists",
args: []string{"my-image", "3", "--description", "hello world", "--set-by", "me"},
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
openAPI:
definitions:
io.k8s.cli.substitutions.my-image:
x-k8s-cli:
substitution:
name: my-image
pattern: something/${my-image-setter}::${my-tag-setter}/nginxotherthing
values:
- marker: ${my-image-setter}
ref: '#/definitions/io.k8s.cli.setters.my-image-setter'
- marker: ${my-tag-setter}
ref: '#/definitions/io.k8s.cli.setters.my-tag-setter'
`,
err: `substitution with name "my-image" already exists, substitution and setter can't have same name`,
},
{
name: "error if setter with same name exists",
args: []string{
"my-image", "ubuntu"},
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
openAPI:
definitions:
io.k8s.cli.setters.my-image:
x-k8s-cli:
setter:
name: my-image
value: "nginx"
`,
err: `setter with name "my-image" already exists, if you want to modify it, please delete the existing setter and recreate it`,
},
{
name: "add replicas with schema",
args: []string{"replicas", "3", "--description", "hello world", "--set-by", "me"},
schema: `{"maximum": 10, "type": "integer"}`,
input: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
out: `created setter "replicas"`,
expectedOpenAPI: `
apiVersion: v1alpha1
kind: Example
openAPI:
definitions:
io.k8s.cli.setters.replicas:
maximum: 10
type: integer
description: hello world
x-k8s-cli:
setter:
name: replicas
value: "3"
setBy: me
`,
expectedResources: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3 # {"$openapi":"replicas"}
`,
},
{
name: "add replicas not enough arguments",
args: []string{"replicas", "--description", "hello world", "--set-by", "me"},
err: `setter name and value must be provided, value can either be an argument or can be passed as a flag --value`,
input: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
out: `created setter replicas`,
expectedOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
expectedResources: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
},
{
name: "list values with schema",
args: []string{"list", "--description", "hello world", "--set-by", "me", "--type", "array", "--field", "spec.list"},
schema: `{"maxItems": 3, "type": "array", "items": {"type": "string"}}`,
input: `
apiVersion: example.com/v1beta1
kind: Example1
spec:
list:
- "a"
- "b"
- "c"
---
apiVersion: example.com/v1beta1
kind: Example2
spec:
list:
- "a"
- "b"
- "c"
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
namespace: myspace
spec:
replicas: 3
template:
spec:
containers:
- name: sidecar
image: nginx:1.7.9
- name: nginx
image: otherspace/nginx:1.7.9
`,
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
out: `created setter "list"`,
expectedOpenAPI: `
apiVersion: v1alpha1
kind: Example
openAPI:
definitions:
io.k8s.cli.setters.list:
items:
type: string
maxItems: 3
type: array
description: hello world
x-k8s-cli:
setter:
name: list
value: ""
listValues:
- a
- b
- c
setBy: me
`,
expectedResources: `
apiVersion: example.com/v1beta1
kind: Example1
spec:
list: # {"$openapi":"list"}
- "a"
- "b"
- "c"
---
apiVersion: example.com/v1beta1
kind: Example2
spec:
list: # {"$openapi":"list"}
- "a"
- "b"
- "c"
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
namespace: myspace
spec:
replicas: 3
template:
spec:
containers:
- name: sidecar
image: nginx:1.7.9
- name: nginx
image: otherspace/nginx:1.7.9
`,
},
{
name: "error list path with different values",
args: []string{"list", "--description", "hello world", "--set-by", "me", "--type", "array", "--field", "spec.list"},
schema: `{"maxItems": 3, "type": "array", "items": {"type": "string"}}`,
input: `
apiVersion: example.com/v1beta1
kind: Example
spec:
list:
- "a"
- "b"
- "c"
---
apiVersion: example.com/v1beta1
kind: Example
spec:
list:
- "c"
- "d"
`,
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
err: `setters can only be created for fields with same values, encountered different ` +
`array values for specified field path: [c d], [a b c]`,
},
{
name: "list values error if field not set",
args: []string{"list", "a", "--description", "hello world", "--set-by", "me", "--type", "array"},
schema: `{"maxItems": 3, "type": "array", "items": {"type": "string"}}`,
input: `
apiVersion: example.com/v1beta1
kind: Example
spec:
list:
- "a"
- "b"
- "c"
`,
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
out: `created setter replicas`,
expectedOpenAPI: `
apiVersion: v1alpha1
kind: Example
openAPI:
definitions:
io.k8s.cli.setters.list:
items:
type: string
maxItems: 3
type: array
description: hello world
x-k8s-cli:
setter:
name: list
listValues:
- a
- b
- c
setBy: me
`,
expectedResources: `
apiVersion: example.com/v1beta1
kind: Example
spec:
list: # {"$openapi":"list"}
- "a"
- "b"
- "c"
`,
err: `field flag must be set for array type setters`,
},
{
name: "add replicas with value set by flag",
args: []string{"replicas", "--value", "3", "--description", "hello world", "--set-by", "me"},
input: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
out: `created setter "replicas"`,
expectedOpenAPI: `
apiVersion: v1alpha1
kind: Example
openAPI:
definitions:
io.k8s.cli.setters.replicas:
description: hello world
x-k8s-cli:
setter:
name: replicas
value: "3"
setBy: me
`,
expectedResources: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3 # {"$openapi":"replicas"}
`,
},
{
name: "add setter with . in the name",
args: []string{"foo.bar", "3"},
input: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
out: `created setter "foo.bar"`,
expectedOpenAPI: `
apiVersion: v1alpha1
kind: Example
openAPI:
definitions:
io.k8s.cli.setters.foo.bar:
x-k8s-cli:
setter:
name: foo.bar
value: "3"
`,
expectedResources: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3 # {"$openapi":"foo.bar"}
`,
},
{
name: "provide different type values in schema and with flag",
args: []string{"replicas", "3", "--description", "hello world", "--type", "string"},
schema: `{"type": "integer"}`,
input: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
expectedOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
expectedResources: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
err: `type provided in type flag (string) and in schema (integer) doesn't match`,
},
{
name: "invalid json in schema",
args: []string{"replicas", "3"},
schema: `{"foo": bar`,
input: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
expectedOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
expectedResources: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
err: "unable to parse schema: invalid character 'b' looking for beginning of value",
},
{
name: "unknown fields in schema are dropped",
args: []string{"replicas", "3"},
schema: `{"foo": "bar"}`,
input: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
out: `created setter "replicas"`,
expectedOpenAPI: `
apiVersion: v1alpha1
kind: Example
openAPI:
definitions:
io.k8s.cli.setters.replicas:
x-k8s-cli:
setter:
name: replicas
value: "3"
`,
expectedResources: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3 # {"$openapi":"replicas"}
`,
},
{
name: "unknown types are not accepted",
args: []string{"replicas", "3"},
schema: `{"type": "int"}`,
input: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
expectedOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
expectedResources: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
err: `invalid schema: type "int" is not supported. Must be one of: object, array, string, integer, number, boolean, file, null`,
},
{
name: "unknown types are not accepted in nested structures",
args: []string{"replicas", "3", "--field", "replicas"},
schema: `{"maxItems": 3, "type": "array", "items": {"type": "foo"}}`,
input: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
expectedOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
expectedResources: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
err: `invalid schema: type "foo" is not supported. Must be one of: object, array, string, integer, number, boolean, file, null`,
},
{
name: "unknown types are not accepted in --type flag",
args: []string{"replicas", "3", "--type", "bar"},
input: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
expectedOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
expectedResources: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
err: `invalid schema: type "bar" is not supported. Must be one of: object, array, string, integer, number, boolean, file, null`,
},
{
name: "unknown properties in schema are dropped",
args: []string{"replicas", "3", "--type", "integer"},
schema: `{"maximum": 3, "unknown": 42}`,
input: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3
`,
inputOpenAPI: `
apiVersion: v1alpha1
kind: Example
`,
out: `created setter "replicas"`,
expectedOpenAPI: `
apiVersion: v1alpha1
kind: Example
openAPI:
definitions:
io.k8s.cli.setters.replicas:
maximum: 3
type: integer
x-k8s-cli:
setter:
name: replicas
value: "3"
`,
expectedResources: `
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
replicas: 3 # {"$openapi":"replicas"}
`,
},
}
for i := range tests {
test := tests[i]
t.Run(test.name, func(t *testing.T) {
// reset the openAPI afterward
openapi.ResetOpenAPI()
defer openapi.ResetOpenAPI()
baseDir, err := ioutil.TempDir("", "")
if !assert.NoError(t, err) {
t.FailNow()
}
defer os.RemoveAll(baseDir)
f := filepath.Join(baseDir, "Krmfile")
err = ioutil.WriteFile(f, []byte(test.inputOpenAPI), 0600)
if !assert.NoError(t, err) {
t.FailNow()
}
if test.schema != "" {
sch, err := ioutil.TempFile("", "schema.json")
if !assert.NoError(t, err) {
t.FailNow()
}
defer os.Remove(sch.Name())
err = ioutil.WriteFile(sch.Name(), []byte(test.schema), 0600)
if !assert.NoError(t, err) {
t.FailNow()
}
test.args = append(test.args, "--schema-path", sch.Name())
}
r, err := ioutil.TempFile(baseDir, "k8s-cli-*.yaml")
if !assert.NoError(t, err) {
t.FailNow()
}
defer os.Remove(r.Name())
err = ioutil.WriteFile(r.Name(), []byte(test.input), 0600)
if !assert.NoError(t, err) {
t.FailNow()
}
runner := commands.NewCreateSetterRunner("")
out := &bytes.Buffer{}
runner.Command.SetOut(out)
runner.Command.SetArgs(append([]string{baseDir}, test.args...))
err = runner.Command.Execute()
if test.err != "" {
if !assert.NotNil(t, err) {
t.FailNow()
} else {
assert.Equal(t, err.Error(), test.err)
return
}
}
if !assert.NoError(t, err) {
t.FailNow()
}
expectedOut := strings.Replace(test.out, "${baseDir}", baseDir, -1)
expectedNormalized := strings.Replace(expectedOut, "\\", "/", -1)
// normalize path format for windows
actualNormalized := strings.Replace(
strings.Replace(out.String(), "\\", "/", -1),
"//", "/", -1)
if !assert.Contains(t, actualNormalized, expectedNormalized) {
t.FailNow()
}
actualResources, err := ioutil.ReadFile(r.Name())
if !assert.NoError(t, err) {
t.FailNow()
}
if !assert.Equal(t,
strings.TrimSpace(test.expectedResources),
strings.TrimSpace(string(actualResources))) {
t.FailNow()
}
actualOpenAPI, err := ioutil.ReadFile(f)
if !assert.NoError(t, err) {
t.FailNow()
}
if !assert.Equal(t,
strings.TrimSpace(test.expectedOpenAPI),
strings.TrimSpace(string(actualOpenAPI))) {
t.FailNow()
}
})
}
}
func TestCreateSetterSubPackages(t *testing.T) {
var tests = []struct {
name string
dataset string
packagePath string
args []string
expected string
}{
{
name: "create-setter-recurse-subpackages",
dataset: "dataset-without-setters",
args: []string{"namespace", "myspace", "-R"},
expected: `${baseDir}/mysql/
created setter "namespace"
${baseDir}/mysql/storage/
created setter "namespace"
`,
},
{
name: "create-setter-top-level-pkg-no-recurse-subpackages",
dataset: "dataset-without-setters",
packagePath: "mysql",
args: []string{"namespace", "myspace"},
expected: `${baseDir}/mysql/
created setter "namespace"
`,
},
{
name: "create-setter-nested-pkg-no-recurse-subpackages",
dataset: "dataset-without-setters",
packagePath: "mysql/storage",
args: []string{"namespace", "myspace"},
expected: `${baseDir}/mysql/storage/
created setter "namespace"
`,
},
{
name: "create-setter-already-exists",
dataset: "dataset-with-setters",
packagePath: "mysql",
args: []string{"namespace", "myspace", "-R"},
expected: `${baseDir}/mysql/
setter with name "namespace" already exists, if you want to modify it, please delete the existing setter and recreate it
${baseDir}/mysql/nosetters/
created setter "namespace"
${baseDir}/mysql/storage/
setter with name "namespace" already exists, if you want to modify it, please delete the existing setter and recreate it
`,
},
}
for i := range tests {
test := tests[i]
t.Run(test.name, func(t *testing.T) {
// reset the openAPI afterward
openapi.ResetOpenAPI()
defer openapi.ResetOpenAPI()
sourceDir := filepath.Join("test", "testdata", test.dataset)
baseDir, err := ioutil.TempDir("", "")
if !assert.NoError(t, err) {
t.FailNow()
}
copyutil.CopyDir(sourceDir, baseDir)
defer os.RemoveAll(baseDir)
runner := commands.NewCreateSetterRunner("")
actual := &bytes.Buffer{}
runner.Command.SetOut(actual)
runner.Command.SetArgs(append([]string{filepath.Join(baseDir, test.packagePath)}, test.args...))
err = runner.Command.Execute()
if !assert.NoError(t, err) {
t.FailNow()
}
// normalize path format for windows
actualNormalized := strings.Replace(
strings.Replace(actual.String(), "\\", "/", -1),
"//", "/", -1)
expected := strings.Replace(test.expected, "${baseDir}", baseDir, -1)
expectedNormalized := strings.Replace(expected, "\\", "/", -1)
if !assert.Contains(t, actualNormalized, expectedNormalized) {
t.FailNow()
}
})
}
}