258 lines
7.8 KiB
Go
258 lines
7.8 KiB
Go
package state
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import (
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"fmt"
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"reflect"
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"strings"
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"testing"
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"github.com/go-test/deep"
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"github.com/helmfile/helmfile/pkg/environment"
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)
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func boolPtrToString(ptr *bool) string {
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if ptr == nil {
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return "<nil>"
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}
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return fmt.Sprintf("&%t", *ptr)
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}
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func TestHelmState_executeTemplates(t *testing.T) {
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tests := []struct {
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name string
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input ReleaseSpec
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want ReleaseSpec
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}{
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{
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name: "Has template expressions in chart, values, secrets, version, labels",
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input: ReleaseSpec{
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Chart: "test-charts/{{ .Release.Name }}",
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Version: "{{ .Release.Name }}-0.1",
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Name: "test-app",
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Namespace: "test-namespace-{{ .Release.Name }}",
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ValuesTemplate: []interface{}{"config/{{ .Environment.Name }}/{{ .Release.Name }}/values.yaml"},
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Secrets: []interface{}{"config/{{ .Environment.Name }}/{{ .Release.Name }}/secrets.yaml"},
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Labels: map[string]string{"id": "{{ .Release.Name }}"},
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},
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want: ReleaseSpec{
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Chart: "test-charts/test-app",
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Version: "test-app-0.1",
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Name: "test-app",
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Namespace: "test-namespace-test-app",
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Values: []interface{}{"config/test_env/test-app/values.yaml"},
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Secrets: []interface{}{"config/test_env/test-app/secrets.yaml"},
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Labels: map[string]string{"id": "test-app"},
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},
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},
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{
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name: "Has template expressions in name with recursive refs",
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input: ReleaseSpec{
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Chart: "test-chart",
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Name: "{{ .Release.Labels.id }}-{{ .Release.Namespace }}",
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Namespace: "dev",
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Labels: map[string]string{"id": "{{ .Release.Chart }}"},
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},
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want: ReleaseSpec{
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Chart: "test-chart",
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Name: "test-chart-dev",
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Namespace: "dev",
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Labels: map[string]string{"id": "test-chart"},
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},
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},
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{
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name: "Has template expressions in boolean values",
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input: ReleaseSpec{
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Chart: "test-chart",
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Name: "app-dev",
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Namespace: "dev",
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Labels: map[string]string{"id": "app"},
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InstalledTemplate: func(i string) *string { return &i }(`{{ eq .Release.Labels.id "app" | ternary "yes" "no" }}`),
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VerifyTemplate: func(i string) *string { return &i }(`{{ true }}`),
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Verify: func(i bool) *bool { return &i }(false),
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WaitTemplate: func(i string) *string { return &i }(`{{ false }}`),
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TillerlessTemplate: func(i string) *string { return &i }(`yes`),
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},
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want: ReleaseSpec{
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Chart: "test-chart",
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Name: "app-dev",
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Namespace: "dev",
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Labels: map[string]string{"id": "app"},
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Installed: func(i bool) *bool { return &i }(true),
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Verify: func(i bool) *bool { return &i }(true),
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Wait: func(i bool) *bool { return &i }(false),
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Tillerless: func(i bool) *bool { return &i }(true),
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},
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},
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{
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name: "Has template in set-values",
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input: ReleaseSpec{
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Chart: "test-charts/chart",
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Name: "test-app",
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Namespace: "dev",
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SetValuesTemplate: []SetValue{
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{Name: "val1", Value: "{{ .Release.Name }}-val1"},
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{Name: "val2", File: "{{ .Release.Name }}.yml"},
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{Name: "val3", Values: []string{"{{ .Release.Name }}-val2", "{{ .Release.Name }}-val3"}},
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},
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},
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want: ReleaseSpec{
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Chart: "test-charts/chart",
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Name: "test-app",
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Namespace: "dev",
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SetValues: []SetValue{
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{Name: "val1", Value: "test-app-val1"},
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{Name: "val2", File: "test-app.yml"},
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{Name: "val3", Values: []string{"test-app-val2", "test-app-val3"}},
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},
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},
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},
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{
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name: "Has template in values (map)",
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input: ReleaseSpec{
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Chart: "test-charts/chart",
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Verify: nil,
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Name: "app",
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Namespace: "dev",
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ValuesTemplate: []interface{}{map[string]string{"key": "{{ .Release.Name }}-val0"}},
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},
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want: ReleaseSpec{
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Chart: "test-charts/chart",
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Verify: nil,
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Name: "app",
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Namespace: "dev",
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Values: []interface{}{map[interface{}]interface{}{"key": "app-val0"}},
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},
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},
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}
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for i := range tests {
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tt := tests[i]
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t.Run(tt.name, func(t *testing.T) {
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state := &HelmState{
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basePath: ".",
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ReleaseSetSpec: ReleaseSetSpec{
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HelmDefaults: HelmSpec{
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KubeContext: "test_context",
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},
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Env: environment.Environment{Name: "test_env"},
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OverrideNamespace: "test-namespace_",
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Repositories: nil,
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Releases: []ReleaseSpec{
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tt.input,
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},
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},
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RenderedValues: map[string]interface{}{},
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}
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r, err := state.ExecuteTemplates()
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if err != nil {
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t.Errorf("Unexpected error: %v", err)
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t.FailNow()
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}
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actual := r.Releases[0]
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if !reflect.DeepEqual(actual.Name, tt.want.Name) {
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t.Errorf("expected Name %+v, got %+v", tt.want.Name, actual.Name)
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}
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if !reflect.DeepEqual(actual.Chart, tt.want.Chart) {
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t.Errorf("expected Chart %+v, got %+v", tt.want.Chart, actual.Chart)
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}
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if !reflect.DeepEqual(actual.Namespace, tt.want.Namespace) {
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t.Errorf("expected Namespace %+v, got %+v", tt.want.Namespace, actual.Namespace)
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}
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if diff := deep.Equal(actual.Values, tt.want.Values); diff != nil && len(actual.Values) > 0 {
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t.Errorf("Values differs \n%+v", strings.Join(diff, "\n"))
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}
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if diff := deep.Equal(actual.Secrets, tt.want.Secrets); diff != nil && len(actual.Secrets) > 0 {
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t.Errorf("Secrets differs \n%+v", strings.Join(diff, "\n"))
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}
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if diff := deep.Equal(actual.SetValues, tt.want.SetValues); diff != nil && len(actual.SetValues) > 0 {
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t.Errorf("SetValues differs \n%+v", strings.Join(diff, "\n"))
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}
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if diff := deep.Equal(actual.Labels, tt.want.Labels); diff != nil && len(actual.Labels) > 0 {
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t.Errorf("Labels differs \n%+v", strings.Join(diff, "\n"))
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}
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if !reflect.DeepEqual(actual.Version, tt.want.Version) {
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t.Errorf("expected Version %+v, got %+v", tt.want.Version, actual.Version)
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}
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if !reflect.DeepEqual(actual.Installed, tt.want.Installed) {
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t.Errorf("expected actual.Installed %+v, got %+v",
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boolPtrToString(tt.want.Installed), boolPtrToString(actual.Installed),
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)
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}
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if !reflect.DeepEqual(actual.Tillerless, tt.want.Tillerless) {
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t.Errorf("expected actual.Tillerless %+v, got %+v",
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boolPtrToString(tt.want.Tillerless), boolPtrToString(actual.Tillerless),
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)
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}
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if !reflect.DeepEqual(actual.Verify, tt.want.Verify) {
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t.Errorf("expected actual.Verify %+v, got %+v",
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boolPtrToString(tt.want.Verify), boolPtrToString(actual.Verify),
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)
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}
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if !reflect.DeepEqual(actual.Wait, tt.want.Wait) {
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t.Errorf("expected actual.Wait %+v, got %+v",
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boolPtrToString(tt.want.Wait), boolPtrToString(actual.Wait),
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)
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}
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})
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}
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}
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func TestHelmState_recursiveRefsTemplates(t *testing.T) {
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tests := []struct {
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name string
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input ReleaseSpec
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}{
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{
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name: "Has reqursive references",
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input: ReleaseSpec{
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Chart: "test-charts/{{ .Release.Name }}",
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Verify: nil,
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Name: "{{ .Release.Labels.id }}",
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Namespace: "dev",
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Labels: map[string]string{"id": "app-{{ .Release.Name }}"},
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},
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},
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{
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name: "Has unresolvable boolean templates",
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input: ReleaseSpec{
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Name: "app-dev",
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Chart: "test-charts/app",
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Verify: nil,
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Namespace: "dev",
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WaitTemplate: func(i string) *string { return &i }("hi"),
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},
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},
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}
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for i := range tests {
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tt := tests[i]
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t.Run(tt.name, func(t *testing.T) {
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state := &HelmState{
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basePath: ".",
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ReleaseSetSpec: ReleaseSetSpec{
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HelmDefaults: HelmSpec{
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KubeContext: "test_context",
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},
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Env: environment.Environment{Name: "test_env"},
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OverrideNamespace: "test-namespace_",
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Repositories: nil,
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Releases: []ReleaseSpec{
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tt.input,
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},
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},
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RenderedValues: map[string]interface{}{},
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}
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r, err := state.ExecuteTemplates()
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if err == nil {
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t.Errorf("Expected error, got valid response: %v", r)
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t.FailNow()
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}
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})
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}
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}
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