Files
kubescape/core/pkg/fixhandler/fixhandler_test.go
Vlad Klokun 0e8b2f976d tests: extend test cases for autofix inserts
This change re-organizes the test cases for inserts performed by the
autofixing feature.
2023-01-11 19:50:57 +02:00

249 lines
7.4 KiB
Go

package fixhandler
import (
"os"
"path/filepath"
"testing"
logger "github.com/kubescape/go-logger"
metav1 "github.com/kubescape/kubescape/v2/core/meta/datastructures/v1"
reporthandlingv2 "github.com/kubescape/opa-utils/reporthandling/v2"
"github.com/mikefarah/yq/v4/pkg/yqlib"
"github.com/stretchr/testify/assert"
"gopkg.in/op/go-logging.v1"
)
type indentationTestCase struct {
inputFile string
yamlExpression string
expectedFile string
}
func NewFixHandlerMock() (*FixHandler, error) {
backendLoggerLeveled := logging.AddModuleLevel(logging.NewLogBackend(logger.L().GetWriter(), "", 0))
backendLoggerLeveled.SetLevel(logging.ERROR, "")
yqlib.GetLogger().SetBackend(backendLoggerLeveled)
return &FixHandler{
fixInfo: &metav1.FixInfo{},
reportObj: &reporthandlingv2.PostureReport{},
localBasePath: "",
}, nil
}
func getTestdataPath() string {
currentDir, _ := os.Getwd()
return filepath.Join(currentDir, "testdata")
}
func getTestCases() []indentationTestCase {
indentationTestCases := []indentationTestCase{
// Insertion Scenarios
{
"inserts/tc-01-00-input-mapping-insert-mapping.yaml",
"select(di==0).spec.containers[0].securityContext.allowPrivilegeEscalation |= false",
"inserts/tc-01-01-expected.yaml",
},
{
"inserts/tc-02-00-input-mapping-insert-mapping-with-list.yaml",
"select(di==0).spec.containers[0].securityContext.capabilities.drop += [\"NET_RAW\"]",
"inserts/tc-02-01-expected.yaml",
},
{
"inserts/tc-03-00-input-list-append-scalar.yaml",
"select(di==0).spec.containers[0].securityContext.capabilities.drop += [\"SYS_ADM\"]",
"inserts/tc-03-01-expected.yaml",
},
{
"inserts/tc-04-00-input-multiple-inserts.yaml",
`select(di==0).spec.template.spec.securityContext.allowPrivilegeEscalation |= false |
select(di==0).spec.template.spec.containers[0].securityContext.capabilities.drop += ["NET_RAW"] |
select(di==0).spec.template.spec.containers[0].securityContext.seccompProfile.type |= "RuntimeDefault" |
select(di==0).spec.template.spec.containers[0].securityContext.allowPrivilegeEscalation |= false |
select(di==0).spec.template.spec.containers[0].securityContext.readOnlyRootFilesystem |= true`,
"inserts/tc-04-01-expected.yaml",
},
{
"inserts/tc-05-00-input-comment-blank-line-single-insert.yaml",
"select(di==0).spec.containers[0].securityContext.allowPrivilegeEscalation |= false",
"inserts/tc-05-01-expected.yaml",
},
{
"inserts/tc-06-00-input-list-append-scalar-oneline.yaml",
"select(di==0).spec.containers[0].securityContext.capabilities.drop += [\"SYS_ADM\"]",
"inserts/tc-06-01-expected.yaml",
},
{
"inserts/tc-07-00-input-multiple-documents.yaml",
`select(di==0).spec.containers[0].securityContext.allowPrivilegeEscalation |= false |
select(di==1).spec.containers[0].securityContext.allowPrivilegeEscalation |= false`,
"inserts/tc-07-01-expected.yaml",
},
{
"inserts/tc-08-00-input-mapping-insert-mapping-indented.yaml",
"select(di==0).spec.containers[0].securityContext.capabilities.drop += [\"NET_RAW\"]",
"inserts/tc-08-01-expected.yaml",
},
{
"inserts/tc-09-00-input-list-insert-new-mapping-indented.yaml",
`select(di==0).spec.containers += {"name": "redis", "image": "redis"}`,
"inserts/tc-09-01-expected.yaml",
},
{
"inserts/tc-10-00-input-list-insert-new-mapping.yaml",
`select(di==0).spec.containers += {"name": "redis", "image": "redis"}`,
"inserts/tc-10-01-expected.yaml",
},
// Removal Scenarios
{
"removals/tc-01-00-input.yaml",
"del(select(di==0).spec.containers[0].securityContext)",
"removals/tc-01-01-expected.yaml",
},
{
"removals/tc-02-00-input.yaml",
"del(select(di==0).spec.containers[1])",
"removals/tc-02-01-expected.yaml",
},
{
"removals/tc-03-00-input.yaml",
"del(select(di==0).spec.containers[0].securityContext.capabilities.drop[1])",
"removals/tc-03-01-expected.yaml",
},
{
"removes/tc-04-00-input.yaml",
`del(select(di==0).spec.containers[0].securityContext) |
del(select(di==1).spec.containers[1])`,
"removes/tc-04-01-expected.yaml",
},
// Replace Scenarios
{
"replaces/tc-01-00-input.yaml",
"select(di==0).spec.containers[0].securityContext.runAsRoot |= false",
"replaces/tc-01-01-expected.yaml",
},
{
"replaces/tc-02-00-input.yaml",
`select(di==0).spec.containers[0].securityContext.capabilities.drop[0] |= "SYS_ADM" |
select(di==0).spec.containers[0].securityContext.capabilities.add[0] |= "NET_RAW"`,
"replaces/tc-02-01-expected.yaml",
},
// Hybrid Scenarios
{
"hybrids/tc-01-00-input.yaml",
`del(select(di==0).spec.containers[0].securityContext) |
select(di==0).spec.securityContext.runAsRoot |= false`,
"hybrids/tc-01-01-expected.yaml",
},
{
"hybrids/tc-02-00-input-indented-list.yaml",
`del(select(di==0).spec.containers[0].securityContext) |
select(di==0).spec.securityContext.runAsRoot |= false`,
"hybrids/tc-02-01-expected.yaml",
},
{
"hybrids/tc-03-00-input-comments.yaml",
`del(select(di==0).spec.containers[0].securityContext) |
select(di==0).spec.securityContext.runAsRoot |= false`,
"hybrids/tc-03-01-expected.yaml",
},
{
"hybrids/tc-04-00-input-separated-keys.yaml",
`del(select(di==0).spec.containers[0].securityContext) |
select(di==0).spec.securityContext.runAsRoot |= false`,
"hybrids/tc-04-01-expected.yaml",
},
}
return indentationTestCases
}
func TestApplyFixKeepsFormatting(t *testing.T) {
testCases := getTestCases()
for _, tc := range testCases {
t.Run(tc.inputFile, func(t *testing.T) {
getTestDataPath := func(filename string) string {
currentDir, _ := os.Getwd()
currentFile := "testdata/" + filename
return filepath.Join(currentDir, currentFile)
}
input, _ := os.ReadFile(getTestDataPath(tc.inputFile))
wantRaw, _ := os.ReadFile(getTestDataPath(tc.expectedFile))
want := string(wantRaw)
expression := tc.yamlExpression
h, _ := NewFixHandlerMock()
got, _ := h.ApplyFixToContent(string(input), expression)
assert.Equalf(
t, want, got,
"Contents of the fixed file don't match the expectation.\n"+
"Input file: %s\n\n"+
"Got: <%s>\n\n"+
"Want: <%s>",
tc.inputFile, got, want,
)
},
)
}
}
func Test_fixPathToValidYamlExpression(t *testing.T) {
type args struct {
fixPath string
value string
documentIndexInYaml int
}
tests := []struct {
name string
args args
want string
}{
{
name: "fix path with boolean value",
args: args{
fixPath: "spec.template.spec.containers[0].securityContext.privileged",
value: "true",
documentIndexInYaml: 2,
},
want: "select(di==2).spec.template.spec.containers[0].securityContext.privileged |= true",
},
{
name: "fix path with string value",
args: args{
fixPath: "metadata.namespace",
value: "YOUR_NAMESPACE",
documentIndexInYaml: 0,
},
want: "select(di==0).metadata.namespace |= \"YOUR_NAMESPACE\"",
},
{
name: "fix path with number",
args: args{
fixPath: "xxx.yyy",
value: "123",
documentIndexInYaml: 0,
},
want: "select(di==0).xxx.yyy |= 123",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := fixPathToValidYamlExpression(tt.args.fixPath, tt.args.value, tt.args.documentIndexInYaml); got != tt.want {
t.Errorf("fixPathToValidYamlExpression() = %v, want %v", got, tt.want)
}
})
}
}