mirror of https://github.com/k3s-io/k3s
kubectl: deploy generators don't need to impl Generator iface
I was able to delete some outdated tests as part of this change.pull/6/head
Alexander Campbell
parent
a1c0510d00
commit
079883fe44
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@ -14,7 +14,6 @@ go_test(
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"cluster_test.go",
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"configmap_test.go",
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"delete_test.go",
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"deployment_test.go",
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"env_file_test.go",
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"generate_test.go",
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"kubectl_test.go",
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@ -510,10 +510,12 @@ func DefaultGenerators(cmdName string) map[string]kubectl.Generator {
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ServiceLoadBalancerGeneratorV1Name: kubectl.ServiceLoadBalancerGeneratorV1{},
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}
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case "deployment":
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generator = map[string]kubectl.Generator{
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DeploymentBasicV1Beta1GeneratorName: kubectl.DeploymentBasicGeneratorV1{},
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DeploymentBasicAppsV1Beta1GeneratorName: kubectl.DeploymentBasicAppsGeneratorV1{},
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}
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// Create Deployment has only StructuredGenerators and no
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// param-based Generators.
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// The StructuredGenerators are as follows (as of 2017-07-17):
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// DeploymentBasicV1Beta1GeneratorName -> kubectl.DeploymentBasicGeneratorV1
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// DeploymentBasicAppsV1Beta1GeneratorName -> kubectl.DeploymentBasicAppsGeneratorV1
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generator = map[string]kubectl.Generator{}
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case "run":
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generator = map[string]kubectl.Generator{
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RunV1GeneratorName: kubectl.BasicReplicationController{},
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@ -36,16 +36,6 @@ type BaseDeploymentGenerator struct {
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Images []string
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}
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// ParamNames: return the parameters expected by the BaseDeploymentGenerator.
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// This method is here to aid in validation. When given a Generator, you can
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// learn what it expects by calling this method.
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func (BaseDeploymentGenerator) ParamNames() []GeneratorParam {
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return []GeneratorParam{
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{"name", true},
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{"image", true},
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}
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}
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// validate: check if the caller has forgotten to set one of our fields.
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func (b BaseDeploymentGenerator) validate() error {
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if len(b.Name) == 0 {
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@ -57,29 +47,6 @@ func (b BaseDeploymentGenerator) validate() error {
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return nil
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}
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// baseDeploymentGeneratorFromParams: return a new BaseDeploymentGenerator with
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// the fields set from params. The returned BaseDeploymentGenerator should have
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// all required fields set and will pass validate() with no errors.
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func baseDeploymentGeneratorFromParams(params map[string]interface{}) (*BaseDeploymentGenerator, error) {
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paramNames := (BaseDeploymentGenerator{}).ParamNames()
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err := ValidateParams(paramNames, params)
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if err != nil {
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return nil, err
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}
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name, isString := params["name"].(string)
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if !isString {
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return nil, fmt.Errorf("expected string, saw %v for 'name'", name)
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}
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imageStrings, isArray := params["image"].([]string)
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if !isArray {
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return nil, fmt.Errorf("expected []string, found :%v", imageStrings)
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}
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return &BaseDeploymentGenerator{
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Name: name,
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Images: imageStrings,
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}, nil
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}
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// structuredGenerate: determine the fields of a deployment. The struct that
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// embeds BaseDeploymentGenerator should assemble these pieces into a
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// runtime.Object.
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@ -127,14 +94,6 @@ type DeploymentBasicGeneratorV1 struct {
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// Ensure it supports the generator pattern that uses parameters specified during construction
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var _ StructuredGenerator = &DeploymentBasicGeneratorV1{}
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func (s DeploymentBasicGeneratorV1) Generate(params map[string]interface{}) (runtime.Object, error) {
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base, err := baseDeploymentGeneratorFromParams(params)
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if err != nil {
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return nil, err
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}
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return (&DeploymentBasicGeneratorV1{*base}).StructuredGenerate()
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}
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// StructuredGenerate outputs a deployment object using the configured fields
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func (s *DeploymentBasicGeneratorV1) StructuredGenerate() (runtime.Object, error) {
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podSpec, labels, selector, err := s.structuredGenerate()
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@ -165,14 +124,6 @@ type DeploymentBasicAppsGeneratorV1 struct {
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// Ensure it supports the generator pattern that uses parameters specified during construction
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var _ StructuredGenerator = &DeploymentBasicAppsGeneratorV1{}
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func (s DeploymentBasicAppsGeneratorV1) Generate(params map[string]interface{}) (runtime.Object, error) {
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base, err := baseDeploymentGeneratorFromParams(params)
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if err != nil {
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return nil, err
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}
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return (&DeploymentBasicAppsGeneratorV1{*base}).StructuredGenerate()
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}
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// StructuredGenerate outputs a deployment object using the configured fields
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func (s *DeploymentBasicAppsGeneratorV1) StructuredGenerate() (runtime.Object, error) {
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podSpec, labels, selector, err := s.structuredGenerate()
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@ -1,247 +0,0 @@
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/*
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Copyright 2016 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package kubectl
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import (
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"reflect"
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"testing"
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appsv1beta1 "k8s.io/api/apps/v1beta1"
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"k8s.io/api/core/v1"
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extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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func TestDeploymentGenerate(t *testing.T) {
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one := int32(1)
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tests := []struct {
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params map[string]interface{}
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expected *extensionsv1beta1.Deployment
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expectErr bool
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}{
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{
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params: map[string]interface{}{
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"name": "foo",
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"image": []string{"abc/app:v4"},
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},
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expected: &extensionsv1beta1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "foo",
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Labels: map[string]string{"app": "foo"},
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},
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Spec: extensionsv1beta1.DeploymentSpec{
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Replicas: &one,
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Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"app": "foo"}},
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Template: v1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"app": "foo"},
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{{Name: "app", Image: "abc/app:v4"}},
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},
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},
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},
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},
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expectErr: false,
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},
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{
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params: map[string]interface{}{
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"name": "foo",
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"image": []string{"abc/app:v4", "zyx/ape"},
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},
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expected: &extensionsv1beta1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "foo",
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Labels: map[string]string{"app": "foo"},
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},
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Spec: extensionsv1beta1.DeploymentSpec{
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Replicas: &one,
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Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"app": "foo"}},
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Template: v1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"app": "foo"},
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{{Name: "app", Image: "abc/app:v4"},
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{Name: "ape", Image: "zyx/ape"}},
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},
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},
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},
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},
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expectErr: false,
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},
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{
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params: map[string]interface{}{},
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expectErr: true,
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},
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{
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params: map[string]interface{}{
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"name": 1,
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},
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expectErr: true,
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},
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{
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params: map[string]interface{}{
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"name": nil,
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},
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expectErr: true,
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},
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{
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params: map[string]interface{}{
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"name": "foo",
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"image": []string{},
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},
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expectErr: true,
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},
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{
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params: map[string]interface{}{
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"NAME": "some_value",
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},
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expectErr: true,
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},
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}
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generator := DeploymentBasicGeneratorV1{}
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for index, test := range tests {
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t.Logf("running scenario %d", index)
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obj, err := generator.Generate(test.params)
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switch {
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case test.expectErr && err != nil:
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continue // loop, since there's no output to check
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case test.expectErr && err == nil:
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t.Errorf("expected error and didn't get one")
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continue // loop, no expected output object
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case !test.expectErr && err != nil:
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t.Errorf("unexpected error %v", err)
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continue // loop, no output object
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case !test.expectErr && err == nil:
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// do nothing and drop through
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}
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if !reflect.DeepEqual(obj.(*extensionsv1beta1.Deployment), test.expected) {
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t.Errorf("expected:\n%#v\nsaw:\n%#v", test.expected, obj.(*extensionsv1beta1.Deployment))
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}
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}
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}
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func TestAppsDeploymentGenerate(t *testing.T) {
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one := int32(1)
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tests := []struct {
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params map[string]interface{}
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expected *appsv1beta1.Deployment
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expectErr bool
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}{
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{
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params: map[string]interface{}{
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"name": "foo",
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"image": []string{"abc/app:v4"},
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},
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expected: &appsv1beta1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "foo",
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Labels: map[string]string{"app": "foo"},
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},
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Spec: appsv1beta1.DeploymentSpec{
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Replicas: &one,
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Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"app": "foo"}},
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Template: v1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"app": "foo"},
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{{Name: "app", Image: "abc/app:v4"}},
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},
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},
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},
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},
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expectErr: false,
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},
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{
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params: map[string]interface{}{
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"name": "foo",
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"image": []string{"abc/app:v4", "zyx/ape"},
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},
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expected: &appsv1beta1.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: "foo",
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Labels: map[string]string{"app": "foo"},
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},
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Spec: appsv1beta1.DeploymentSpec{
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Replicas: &one,
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Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"app": "foo"}},
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Template: v1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"app": "foo"},
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{{Name: "app", Image: "abc/app:v4"},
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{Name: "ape", Image: "zyx/ape"}},
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},
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},
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},
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},
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expectErr: false,
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},
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{
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params: map[string]interface{}{},
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expectErr: true,
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},
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{
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params: map[string]interface{}{
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"name": 1,
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},
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expectErr: true,
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},
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{
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params: map[string]interface{}{
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"name": nil,
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},
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expectErr: true,
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},
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{
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params: map[string]interface{}{
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"name": "foo",
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"image": []string{},
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},
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expectErr: true,
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},
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{
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params: map[string]interface{}{
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"NAME": "some_value",
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},
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expectErr: true,
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},
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}
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generator := DeploymentBasicAppsGeneratorV1{}
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for index, test := range tests {
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t.Logf("running scenario %d", index)
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obj, err := generator.Generate(test.params)
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switch {
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case test.expectErr && err != nil:
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continue // loop, since there's no output to check
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case test.expectErr && err == nil:
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t.Errorf("expected error and didn't get one")
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continue // loop, no expected output object
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case !test.expectErr && err != nil:
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t.Errorf("unexpected error %v", err)
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continue // loop, no output object
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case !test.expectErr && err == nil:
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// do nothing and drop through
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}
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if !reflect.DeepEqual(obj.(*appsv1beta1.Deployment), test.expected) {
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t.Errorf("expected:\n%#v\nsaw:\n%#v", test.expected, obj.(*appsv1beta1.Deployment))
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}
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}
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}
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