charts/falco/tests/unit/driverLoader_test.go
2024-03-20 18:06:21 +08:00

132 lines
2.7 KiB
Go

// SPDX-License-Identifier: Apache-2.0
// Copyright 2024 The Falco Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package unit
import (
"path/filepath"
"testing"
"github.com/gruntwork-io/terratest/modules/helm"
"github.com/stretchr/testify/require"
appsv1 "k8s.io/api/apps/v1"
)
// TestDriverLoaderEnabled tests the helper that enables the driver loader based on the configuration.
func TestDriverLoaderEnabled(t *testing.T) {
t.Parallel()
helmChartPath, err := filepath.Abs(chartPath)
require.NoError(t, err)
testCases := []struct {
name string
values map[string]string
expected bool
}{
{
"defaultValues",
nil,
true,
},
{
"driver.kind=modern-bpf",
map[string]string{
"driver.kind": "modern-bpf",
},
false,
},
{
"driver.kind=modern_ebpf",
map[string]string{
"driver.kind": "modern_ebpf",
},
false,
},
{
"driver.kind=gvisor",
map[string]string{
"driver.kind": "gvisor",
},
false,
},
{
"driver.disabled",
map[string]string{
"driver.enabled": "false",
},
false,
},
{
"driver.loader.disabled",
map[string]string{
"driver.loader.enabled": "false",
},
false,
},
{
"driver.kind=kmod",
map[string]string{
"driver.kind": "kmod",
},
true,
},
{
"driver.kind=module",
map[string]string{
"driver.kind": "module",
},
true,
},
{
"driver.kind=ebpf",
map[string]string{
"driver.kind": "ebpf",
},
true,
},
{
"driver.kind=kmod&driver.loader.disabled",
map[string]string{
"driver.kind": "kmod",
"driver.loader.enabled": "false",
},
false,
},
}
for _, testCase := range testCases {
testCase := testCase
t.Run(testCase.name, func(t *testing.T) {
t.Parallel()
options := &helm.Options{SetValues: testCase.values}
output := helm.RenderTemplate(t, options, helmChartPath, releaseName, []string{"templates/daemonset.yaml"})
var ds appsv1.DaemonSet
helm.UnmarshalK8SYaml(t, output, &ds)
found := false
for i := range ds.Spec.Template.Spec.InitContainers {
if ds.Spec.Template.Spec.InitContainers[i].Name == "falco-driver-loader" {
found = true
}
}
require.Equal(t, testCase.expected, found)
})
}
}