77 lines
2.2 KiB
Go
77 lines
2.2 KiB
Go
// SPDX-License-Identifier: Apache-2.0
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// Copyright 2024 The Falco Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package unit
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import (
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"path/filepath"
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"regexp"
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"strings"
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"testing"
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"github.com/gruntwork-io/terratest/modules/helm"
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"github.com/stretchr/testify/require"
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"k8s.io/utils/strings/slices"
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)
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const chartPath = "../../"
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// Using the default values we want to test that all the expected resources are rendered.
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func TestRenderedResourcesWithDefaultValues(t *testing.T) {
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t.Parallel()
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helmChartPath, err := filepath.Abs(chartPath)
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require.NoError(t, err)
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releaseName := "rendered-resources"
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// Template files that we expect to be rendered.
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templateFiles := []string{
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"clusterrole.yaml",
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"clusterrolebinding.yaml",
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"deployment.yaml",
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"service.yaml",
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"serviceaccount.yaml",
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}
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require.NoError(t, err)
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options := &helm.Options{}
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// Template the chart using the default values.yaml file.
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output, err := helm.RenderTemplateE(t, options, helmChartPath, releaseName, nil)
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require.NoError(t, err)
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// Extract all rendered files from the output.
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pattern := `# Source: k8s-metacollector/templates/([^\n]+)`
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re := regexp.MustCompile(pattern)
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matches := re.FindAllStringSubmatch(output, -1)
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var renderedTemplates []string
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for _, match := range matches {
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// Filter out test templates.
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if !strings.Contains(match[1], "test-") {
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renderedTemplates = append(renderedTemplates, match[1])
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}
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}
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// Assert that the rendered resources are equal tho the expected ones.
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require.Equal(t, len(renderedTemplates), len(templateFiles), "should be equal")
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for _, rendered := range renderedTemplates {
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require.True(t, slices.Contains(templateFiles, rendered), "template files should contain all the rendered files")
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}
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}
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