ef55861139
This module actually ins't used anymore. Change-Id: I2aa4edb17843e6b88f657e09f1a338302b92b7ff Signed-off-by: Ruslan Aliev <raliev@mirantis.com>
428 lines
13 KiB
Go
428 lines
13 KiB
Go
/*
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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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https://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 executors_test
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import (
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"bytes"
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"errors"
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"io"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/mock"
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"github.com/stretchr/testify/require"
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"opendev.org/airship/airshipctl/pkg/api/v1alpha1"
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"opendev.org/airship/airshipctl/pkg/cluster/clustermap"
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"opendev.org/airship/airshipctl/pkg/container"
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"opendev.org/airship/airshipctl/pkg/document"
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"opendev.org/airship/airshipctl/pkg/fs"
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"opendev.org/airship/airshipctl/pkg/k8s/kubeconfig"
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"opendev.org/airship/airshipctl/pkg/phase/executors"
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"opendev.org/airship/airshipctl/pkg/phase/ifc"
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testdoc "opendev.org/airship/airshipctl/testutil/document"
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testfs "opendev.org/airship/airshipctl/testutil/fs"
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)
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const (
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ValidExecutorDoc = `apiVersion: airshipit.org/v1alpha1
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kind: KubernetesApply
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metadata:
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labels:
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airshipit.org/deploy-k8s: "false"
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name: kubernetes-apply
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config:
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waitOptions:
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timeout: 600
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pruneOptions:
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prune: false
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`
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WrongExecutorDoc = `apiVersion: v1
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kind: ConfigMap
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metadata:
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name: first-map
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namespace: default
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labels:
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cli-utils.sigs.k8s.io/inventory-id: "some id"
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`
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applierKRMDoc = `---
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apiVersion: airshipit.org/v1alpha1
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kind: GenericContainer
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metadata:
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name: applier
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labels:
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airshipit.org/deploy-k8s: "false"
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spec:
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type: krm
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image: quay.io/airshipit/applier:latest
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hostNetwork: true
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`
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)
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func testApplierBundleFactory(t *testing.T, filteredContent string, writer io.Writer) document.BundleFactoryFunc {
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return func() (document.Bundle, error) {
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// When the k8s applier executor Run method is called, the executor bundle is filtered
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// using the label selector "airshipit.org/deploy-k8s notin (False, false)".
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// Render method just filters out document with a given selector.
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// That is why we need "SelectBundle" method mocked and return a filtered bundle.
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filteredBundle := &testdoc.MockBundle{}
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// Filtered bundle is passed to the k8s applier, which looks it up
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// for an inventory document using label "cli-utils.sigs.k8s.io/inventory-id"
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// and kind "ConfigMap". Therefore "SelectOne" method is mocked in the filtered bundle.
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// This mock is used to get inventory document. Empty document is ok for k8s applier.
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filteredBundle.On("SelectOne", mock.Anything).Return(&testdoc.MockDocument{}, nil)
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// This mock is used to get the contents of the applier filtered bundle both for
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// rendering and for applying it to a k8s cluster.
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filteredBundle.On("Write", writer).
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Return(nil).
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Run(func(args mock.Arguments) {
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arg, ok := args.Get(0).(io.Writer)
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if ok {
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_, err := arg.Write([]byte(filteredContent))
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require.NoError(t, err)
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}
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})
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// This is the applier executor bundle.
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bundle := &testdoc.MockBundle{}
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// This mock is used to filter out documents labeled with
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// "airshipit.org/deploy-k8s notin (False, false)"
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bundle.On("SelectBundle", mock.Anything).Return(filteredBundle, nil)
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return bundle, nil
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}
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}
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func testApplierBundleFactorySelectBundleError() document.BundleFactoryFunc {
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return func() (document.Bundle, error) {
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bundle := &testdoc.MockBundle{}
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bundle.On("SelectOne", mock.Anything).
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Return(nil, nil)
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bundle.On("SelectBundle", mock.Anything).
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Return(nil, errors.New("error selecting bundle"))
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return bundle, nil
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}
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}
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func testApplierBundleFactoryWriteError() document.BundleFactoryFunc {
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return func() (document.Bundle, error) {
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bundle := &testdoc.MockBundle{}
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filteredBundle := &testdoc.MockBundle{}
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bundle.On("SelectOne", mock.Anything).
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Return(nil, nil)
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filteredBundle.On("Write", mock.Anything).
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Return(errors.New("error writing bundle"))
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bundle.On("SelectBundle", mock.Anything).
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Return(filteredBundle, nil)
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return bundle, nil
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}
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}
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func testApplierBundleFactoryNoError() document.BundleFactoryFunc {
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return func() (document.Bundle, error) {
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bundle := &testdoc.MockBundle{}
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filteredBundle := &testdoc.MockBundle{}
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bundle.On("SelectOne", mock.Anything).
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Return(nil, nil)
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filteredBundle.On("Write", mock.Anything).
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Return(nil)
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bundle.On("SelectBundle", mock.Anything).
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Return(filteredBundle, nil)
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return bundle, nil
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}
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}
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func testApplierBundleFactoryEmptyAllDocuments() document.BundleFactoryFunc {
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return func() (document.Bundle, error) {
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bundle := &testdoc.MockBundle{}
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bundle.On("GetAllDocuments").Return([]document.Document{}, nil)
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return bundle, nil
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}
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}
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func testApplierBundleFactoryAllDocuments() document.BundleFactoryFunc {
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return func() (document.Bundle, error) {
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bundle := &testdoc.MockBundle{}
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bundle.On("GetAllDocuments").Return([]document.Document{&testdoc.MockDocument{}}, nil)
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return bundle, nil
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}
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}
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func TestNewKubeApplierExecutor(t *testing.T) {
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tests := []struct {
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name string
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execDoc document.Document
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expectedErr bool
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bundleFactory document.BundleFactoryFunc
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phaseBundle document.Bundle
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}{
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{
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name: "invalid executor document",
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execDoc: executorDoc(t, WrongExecutorDoc),
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expectedErr: true,
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},
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{
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name: "invalid bundle factory",
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execDoc: executorDoc(t, ValidExecutorDoc),
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bundleFactory: testdoc.ErrorBundleFactory,
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expectedErr: true,
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},
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{
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name: "invalid phase config bundle",
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execDoc: executorDoc(t, ValidExecutorDoc),
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bundleFactory: testdoc.EmptyBundleFactory,
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phaseBundle: executorBundle(t, ""),
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expectedErr: true,
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},
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{
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name: "valid phase config bundle",
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execDoc: executorDoc(t, ValidExecutorDoc),
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bundleFactory: testdoc.EmptyBundleFactory,
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phaseBundle: executorBundle(t, applierKRMDoc),
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},
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}
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for _, tt := range tests {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
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exec, err := executors.NewKubeApplierExecutor(
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ifc.ExecutorConfig{
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ExecutorDocument: tt.execDoc,
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BundleFactory: tt.bundleFactory,
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PhaseConfigBundle: tt.phaseBundle,
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})
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if tt.expectedErr {
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require.Error(t, err)
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assert.Contains(t, err.Error(), "")
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assert.Nil(t, exec)
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} else {
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require.NoError(t, err)
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require.NotNil(t, exec)
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}
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})
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}
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}
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// TODO We need valid test that checks that actual bundle has arrived to applier
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// for that we need a way to inject fake applier, which is not doable with `black box` test currently
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// since we tests are in different package from executor
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func TestKubeApplierExecutorRun(t *testing.T) {
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tests := []struct {
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name string
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containsErr string
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clusterName string
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kubeconf kubeconfig.Interface
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execDoc document.Document
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bundleFactory document.BundleFactoryFunc
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clusterMap clustermap.ClusterMap
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clientFunc container.ClientV1Alpha1FactoryFunc
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}{
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{
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name: "unable to get kubeconfig context",
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containsErr: "cluster 'foo' is not defined in cluster map",
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bundleFactory: testApplierBundleFactory(t, "", nil),
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kubeconf: testKubeconfig(`invalid kubeconfig`),
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execDoc: executorDoc(t, ValidExecutorDoc),
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clusterName: "foo",
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clusterMap: clustermap.NewClusterMap(&v1alpha1.ClusterMap{
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Map: map[string]*v1alpha1.Cluster{
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"ephemeral-cluster": {},
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},
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}),
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},
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{
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name: "unable to get kubeconfig file",
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containsErr: "failed to get kubeconfig",
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bundleFactory: testApplierBundleFactory(t, "", nil),
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kubeconf: fakeKubeConfig{getFile: func() (string, kubeconfig.Cleanup, error) {
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return "", nil, errors.New("failed to get kubeconfig")
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}},
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execDoc: executorDoc(t, ValidExecutorDoc),
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clusterName: "ephemeral-cluster",
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clusterMap: clustermap.NewClusterMap(&v1alpha1.ClusterMap{
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Map: map[string]*v1alpha1.Cluster{
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"ephemeral-cluster": {},
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},
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}),
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},
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{
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name: "unable to select bundle",
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containsErr: "error selecting bundle",
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bundleFactory: testApplierBundleFactorySelectBundleError(),
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kubeconf: testKubeconfig("kubeconfig"),
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execDoc: executorDoc(t, ValidExecutorDoc),
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clusterName: "ephemeral-cluster",
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clusterMap: clustermap.NewClusterMap(&v1alpha1.ClusterMap{
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Map: map[string]*v1alpha1.Cluster{
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"ephemeral-cluster": {},
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},
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}),
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},
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{
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name: "unable to write bundle",
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containsErr: "error writing bundle",
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bundleFactory: testApplierBundleFactoryWriteError(),
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kubeconf: testKubeconfig("kubeconfig"),
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execDoc: executorDoc(t, ValidExecutorDoc),
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clusterName: "ephemeral-cluster",
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clusterMap: clustermap.NewClusterMap(&v1alpha1.ClusterMap{
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Map: map[string]*v1alpha1.Cluster{
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"ephemeral-cluster": {},
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},
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}),
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},
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{
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name: "unsuccessful run",
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containsErr: "applier failure",
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bundleFactory: testApplierBundleFactoryNoError(),
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kubeconf: testKubeconfig("kubeconfig"),
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execDoc: executorDoc(t, ValidExecutorDoc),
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clusterName: "ephemeral-cluster",
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clusterMap: clustermap.NewClusterMap(&v1alpha1.ClusterMap{
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Map: map[string]*v1alpha1.Cluster{
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"ephemeral-cluster": {},
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},
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}),
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clientFunc: func(_ string, _ io.Reader, _ io.Writer,
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_ *v1alpha1.GenericContainer, _ string) container.ClientV1Alpha1 {
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return MockClientFuncInterface{MockRun: func() error {
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return errors.New("applier failure")
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}}
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},
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},
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{
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name: "successful run",
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containsErr: "",
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bundleFactory: testApplierBundleFactoryNoError(),
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kubeconf: testKubeconfig("kubeconfig"),
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execDoc: executorDoc(t, ValidExecutorDoc),
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clusterName: "ephemeral-cluster",
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clusterMap: clustermap.NewClusterMap(&v1alpha1.ClusterMap{
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Map: map[string]*v1alpha1.Cluster{
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"ephemeral-cluster": {},
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},
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}),
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clientFunc: func(_ string, _ io.Reader, _ io.Writer,
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_ *v1alpha1.GenericContainer, _ string) container.ClientV1Alpha1 {
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return MockClientFuncInterface{MockRun: func() error {
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return nil
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}}
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},
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},
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}
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for _, tt := range tests {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
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exec, err := executors.NewKubeApplierExecutor(
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ifc.ExecutorConfig{
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ExecutorDocument: tt.execDoc,
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BundleFactory: tt.bundleFactory,
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KubeConfig: tt.kubeconf,
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ClusterMap: tt.clusterMap,
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ClusterName: tt.clusterName,
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PhaseConfigBundle: executorBundle(t, applierKRMDoc),
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ContainerFunc: tt.clientFunc,
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})
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require.NoError(t, err)
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require.NotNil(t, exec)
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err = exec.Run(ifc.RunOptions{})
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if tt.containsErr != "" {
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require.Error(t, err)
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assert.Contains(t, err.Error(), tt.containsErr)
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} else {
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assert.NoError(t, err)
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}
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})
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}
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}
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func TestRender(t *testing.T) {
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writer := bytes.NewBuffer([]byte{})
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content := "Some content"
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exec, err := executors.NewKubeApplierExecutor(ifc.ExecutorConfig{
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BundleFactory: testApplierBundleFactory(t, content, writer),
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ExecutorDocument: executorDoc(t, ValidExecutorDoc),
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PhaseConfigBundle: executorBundle(t, applierKRMDoc),
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})
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require.NoError(t, err)
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require.NotNil(t, exec)
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err = exec.Render(writer, ifc.RenderOptions{})
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require.NoError(t, err)
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result := writer.String()
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assert.Equal(t, content, result)
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}
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func testKubeconfig(stringData string) kubeconfig.Interface {
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return kubeconfig.NewKubeConfig(
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kubeconfig.FromByte([]byte(stringData)),
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kubeconfig.InjectFileSystem(
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testfs.MockFileSystem{
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MockTempFile: func(root, pattern string) (fs.File, error) {
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return testfs.TestFile{
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MockName: func() string { return "kubeconfig-142398" },
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MockWrite: func([]byte) (int, error) { return 0, nil },
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MockClose: func() error { return nil },
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}, nil
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},
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MockRemoveAll: func() error { return nil },
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},
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))
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}
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func TestKubeApplierExecutor_Validate(t *testing.T) {
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tests := []struct {
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name string
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bundleFactory document.BundleFactoryFunc
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bundleName string
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wantErr bool
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}{
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{
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name: "Error empty BundleName",
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bundleFactory: testdoc.EmptyBundleFactory,
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wantErr: true,
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},
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{
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name: "Error no documents",
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bundleName: "some name",
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bundleFactory: testApplierBundleFactoryEmptyAllDocuments(),
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wantErr: true,
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},
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{
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name: "Success case",
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bundleName: "some name",
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bundleFactory: testApplierBundleFactoryAllDocuments(),
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wantErr: false,
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},
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}
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for _, test := range tests {
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tt := test
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t.Run(tt.name, func(t *testing.T) {
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e, err := executors.NewKubeApplierExecutor(ifc.ExecutorConfig{
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BundleFactory: tt.bundleFactory,
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PhaseName: tt.bundleName,
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ExecutorDocument: executorDoc(t, ValidExecutorDoc),
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PhaseConfigBundle: executorBundle(t, applierKRMDoc),
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})
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require.NoError(t, err)
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require.NotNil(t, e)
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if err := e.Validate(); (err != nil) != tt.wantErr {
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t.Errorf("KubeApplierExecutor.Validate() error = %v, wantErr %v", err, tt.wantErr)
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}
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})
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}
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}
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