unique pattern names

This commit is contained in:
Thibault bui Koechlin 2020-05-24 12:44:33 +02:00
parent aa9badc70c
commit 88c72340e3
6 changed files with 254 additions and 177 deletions

View file

@ -7,6 +7,7 @@ import (
"io"
"io/ioutil"
"os"
"strings"
"testing"
"github.com/crowdsecurity/crowdsec/pkg/types"
@ -20,12 +21,19 @@ type TestFile struct {
Results []types.Event `yaml:"results,omitempty"`
}
var debug bool = false
func TestParser(t *testing.T) {
debug = true
log.SetLevel(log.InfoLevel)
var envSetting = os.Getenv("TEST_ONLY")
pctx, err := prepTests()
if err != nil {
t.Fatalf("failed to load env : %s", err)
}
//Init the enricher
if envSetting != "" {
if err := testOneParser(t, envSetting); err != nil {
if err := testOneParser(pctx, envSetting, nil); err != nil {
t.Fatalf("Test '%s' failed : %s", envSetting, err)
}
} else {
@ -36,7 +44,7 @@ func TestParser(t *testing.T) {
for _, fd := range fds {
fname := "./tests/" + fd.Name()
log.Infof("Running test on %s", fname)
if err := testOneParser(t, fname); err != nil {
if err := testOneParser(pctx, fname, nil); err != nil {
t.Fatalf("Test '%s' failed : %s", fname, err)
}
}
@ -44,42 +52,50 @@ func TestParser(t *testing.T) {
}
func testOneParser(t *testing.T, dir string) error {
var p UnixParser
var pctx *UnixParserCtx
func BenchmarkParser(t *testing.B) {
log.Printf("start bench !!!!")
log.SetLevel(log.ErrorLevel)
pctx, err := prepTests()
if err != nil {
t.Fatalf("failed to load env : %s", err)
}
var envSetting = os.Getenv("TEST_ONLY")
if envSetting != "" {
if err := testOneParser(pctx, envSetting, t); err != nil {
t.Fatalf("Test '%s' failed : %s", envSetting, err)
}
} else {
fds, err := ioutil.ReadDir("./tests/")
if err != nil {
t.Fatalf("Unable to read test directory : %s", err)
}
for _, fd := range fds {
fname := "./tests/" + fd.Name()
log.Infof("Running test on %s", fname)
if err := testOneParser(pctx, fname, t); err != nil {
t.Fatalf("Test '%s' failed : %s", fname, err)
}
}
}
}
func testOneParser(pctx *UnixParserCtx, dir string, b *testing.B) error {
var err error
var pnodes []Node
log.SetLevel(log.DebugLevel)
datadir := "../../data/"
cfgdir := "../../config/"
/* this should be refactored to 2 lines :p */
// Init the parser
pctx, err = p.Init(map[string]interface{}{"patterns": cfgdir + string("/patterns/")})
if err != nil {
return fmt.Errorf("failed to initialize parser : %v", err)
}
//Init the enricher
pplugins, err := Loadplugin(datadir)
if err != nil {
return fmt.Errorf("failed to load plugin geoip : %v", err)
}
ECTX = append(ECTX, pplugins)
log.Debugf("Geoip ctx : %v", ECTX)
//Load the parser configuration
var parser_configs []Stagefile
//TBD var po_parser_configs []Stagefile
log.Warningf("testing %s", dir)
parser_cfg_file := fmt.Sprintf("%s/parsers.yaml", dir)
b, err := ioutil.ReadFile(parser_cfg_file)
cfg, err := ioutil.ReadFile(parser_cfg_file)
if err != nil {
return fmt.Errorf("failed opening %s : %s", parser_cfg_file, err)
}
tmpl, err := template.New("test").Parse(string(b))
tmpl, err := template.New("test").Parse(string(cfg))
if err != nil {
return fmt.Errorf("failed to parse template %s : %s", b, err)
return fmt.Errorf("failed to parse template %s : %s", cfg, err)
}
var out bytes.Buffer
err = tmpl.Execute(&out, map[string]string{"TestDirectory": dir})
@ -98,162 +114,223 @@ func testOneParser(t *testing.T, dir string) error {
//TBD: Load post overflows
//func testFile(t *testing.T, file string, pctx UnixParserCtx, nodes []Node) bool {
parser_test_file := fmt.Sprintf("%s/test.yaml", dir)
if testFile(t, parser_test_file, *pctx, pnodes) != true {
return fmt.Errorf("test failed !")
tests := loadTestFile(parser_test_file)
count := 1
if b != nil {
count = b.N
b.ResetTimer()
}
for n := 0; n < count; n++ {
if testFile(tests, *pctx, pnodes) != true {
return fmt.Errorf("test failed !")
}
}
return nil
}
func testFile(t *testing.T, file string, pctx UnixParserCtx, nodes []Node) bool {
func prepTests() (*UnixParserCtx, error) {
var pctx *UnixParserCtx
var p UnixParser
var expects []types.Event
//Load enrichment
datadir := "../../data/"
pplugins, err := Loadplugin(datadir)
if err != nil {
log.Fatalf("failed to load plugin geoip : %v", err)
}
ECTX = nil
ECTX = append(ECTX, pplugins)
log.Printf("Loaded -> %+v", ECTX)
/* now we can load the test files */
//process the yaml
//Load the parser patterns
cfgdir := "../../config/"
/* this should be refactored to 2 lines :p */
// Init the parser
pctx, err = p.Init(map[string]interface{}{"patterns": cfgdir + string("/patterns/")})
if err != nil {
return nil, fmt.Errorf("failed to initialize parser : %v", err)
}
return pctx, nil
}
func loadTestFile(file string) []TestFile {
yamlFile, err := os.Open(file)
if err != nil {
t.Errorf("yamlFile.Get err #%v ", err)
log.Fatalf("yamlFile.Get err #%v ", err)
}
dec := yaml.NewDecoder(yamlFile)
dec.SetStrict(true)
var testSet []TestFile
for {
tf := TestFile{}
err := dec.Decode(&tf)
if err != nil {
if err == io.EOF {
log.Warningf("end of test file")
break
}
t.Errorf("Failed to load testfile '%s' yaml error : %v", file, err)
return false
log.Fatalf("Failed to load testfile '%s' yaml error : %v", file, err)
return nil
}
for _, in := range tf.Lines {
log.Debugf("Parser input : %s", spew.Sdump(in))
out, err := Parse(pctx, in, nodes)
if err != nil {
log.Errorf("Failed to process %s : %v", spew.Sdump(in), err)
}
log.Debugf("Parser output : %s", spew.Sdump(out))
expects = append(expects, out)
}
/*
check the results we got against the expected ones
only the keys of the expected part are checked against result
*/
if len(tf.Results) == 0 && len(expects) == 0 {
t.Errorf("No results, no tests, abort.")
return false
//return false
}
redo:
if len(tf.Results) == 0 && len(expects) == 0 {
log.Warningf("Test is successfull")
return true
} else {
log.Warningf("%d results to check against %d expected results", len(expects), len(tf.Results))
}
for eidx, out := range expects {
for ridx, expected := range tf.Results {
log.Debugf("Checking next expected result.")
valid := true
//allow to check as well for stage and processed flags
if expected.Stage != "" {
if expected.Stage != out.Stage {
log.Infof("out/expected mismatch 'Stage' value : (got) '%s' != (expected) '%s'", out.Stage, expected.Stage)
valid = false
goto CheckFailed
} else {
log.Infof("Stage == '%s'", expected.Stage)
}
}
if expected.Process != out.Process {
log.Infof("out/expected mismatch 'Process' value : (got) '%t' != (expected) '%t'", out.Process, expected.Process)
valid = false
goto CheckFailed
} else {
log.Infof("Process == '%t'", out.Process)
}
if expected.Whitelisted != out.Whitelisted {
log.Infof("out/expected mismatch 'Whitelisted' value : (got) '%t' != (expected) '%t'", out.Whitelisted, expected.Whitelisted)
valid = false
goto CheckFailed
} else {
log.Infof("Whitelisted == '%t'", out.Whitelisted)
}
for k, v := range expected.Parsed {
/*check 3 main dicts : event, enriched, meta */
if val, ok := out.Parsed[k]; ok {
if val != v {
log.Infof("out/expected mismatch 'event' entry [%s] : (got) '%s' != (expected) '%s'", k, val, v)
valid = false
goto CheckFailed
} else {
log.Infof(".Parsed[%s] == '%s'", k, val)
}
} else {
log.Infof("missing event entry [%s] in expected : %v", k, out.Parsed)
valid = false
goto CheckFailed
}
}
for k, v := range expected.Meta {
/*check 3 main dicts : event, enriched, meta */
if val, ok := out.Meta[k]; ok {
if val != v {
log.Infof("out/expected mismatch 'meta' entry [%s] : (got) '%s' != (expected) '%s'", k, val, v)
valid = false
goto CheckFailed
} else {
log.Infof("Meta[%s] == '%s'", k, val)
}
} else {
log.Warningf("missing meta entry [%s] in expected", k)
valid = false
goto CheckFailed
}
}
for k, v := range expected.Enriched {
/*check 3 main dicts : event, enriched, meta */
if val, ok := out.Enriched[k]; ok {
if val != v {
log.Infof("out/expected mismatch 'Enriched' entry [%s] : (got) '%s' != (expected) '%s'", k, val, v)
valid = false
goto CheckFailed
} else {
log.Infof("Enriched[%s] == '%s'", k, val)
}
} else {
log.Warningf("missing enriched entry [%s] in expected", k)
valid = false
goto CheckFailed
}
}
CheckFailed:
if valid {
//log.Infof("Found result [%s], skip", spew.Sdump(tf.Results[ridx]))
log.Warningf("The test is valid, remove entry %d from expects, and %d from t.Results", eidx, ridx)
//don't do this at home : delete current element from list and redo
expects[eidx] = expects[len(expects)-1]
expects = expects[:len(expects)-1]
tf.Results[ridx] = tf.Results[len(tf.Results)-1]
tf.Results = tf.Results[:len(tf.Results)-1]
goto redo
}
}
}
testSet = append(testSet, tf)
}
t.Errorf("failed test")
return false
return testSet
}
func matchEvent(expected types.Event, out types.Event, debug bool) ([]string, bool) {
var retInfo []string
var valid bool
expectMaps := []map[string]string{expected.Parsed, expected.Meta, expected.Enriched}
outMaps := []map[string]string{out.Parsed, out.Meta, out.Enriched}
outLabels := []string{"Parsed", "Meta", "Enriched"}
//allow to check as well for stage and processed flags
if expected.Stage != "" {
if expected.Stage != out.Stage {
if debug {
retInfo = append(retInfo, fmt.Sprintf("mismatch stage %s != %s", expected.Stage, out.Stage))
}
valid = false
goto checkFinished
} else {
valid = true
if debug {
retInfo = append(retInfo, fmt.Sprintf("ok stage %s == %s", expected.Stage, out.Stage))
}
}
}
if expected.Process != out.Process {
if debug {
retInfo = append(retInfo, fmt.Sprintf("mismatch process %t != %t", expected.Process, out.Process))
}
valid = false
goto checkFinished
} else {
valid = true
if debug {
retInfo = append(retInfo, fmt.Sprintf("ok process %t == %t", expected.Process, out.Process))
}
}
if expected.Whitelisted != out.Whitelisted {
if debug {
retInfo = append(retInfo, fmt.Sprintf("mismatch whitelist %t != %t", expected.Whitelisted, out.Whitelisted))
}
valid = false
goto checkFinished
} else {
if debug {
retInfo = append(retInfo, fmt.Sprintf("ok whitelist %t == %t", expected.Whitelisted, out.Whitelisted))
}
valid = true
}
for mapIdx := 0; mapIdx < len(expectMaps); mapIdx++ {
for expKey, expVal := range expectMaps[mapIdx] {
if outVal, ok := outMaps[mapIdx][expKey]; ok {
if outVal == expVal { //ok entry
if debug {
retInfo = append(retInfo, fmt.Sprintf("ok %s[%s] %s == %s", outLabels[mapIdx], expKey, expVal, outVal))
}
valid = true
} else { //mismatch entry
if debug {
retInfo = append(retInfo, fmt.Sprintf("mismatch %s[%s] %s != %s", outLabels[mapIdx], expKey, expVal, outVal))
}
valid = false
goto checkFinished
}
} else { //missing entry
if debug {
retInfo = append(retInfo, fmt.Sprintf("missing entry %s[%s]", outLabels[mapIdx], expKey))
}
valid = false
goto checkFinished
}
}
}
checkFinished:
if valid {
if debug {
retInfo = append(retInfo, fmt.Sprintf("OK ! %s", strings.Join(retInfo, "/")))
}
} else {
if debug {
retInfo = append(retInfo, fmt.Sprintf("KO ! %s", strings.Join(retInfo, "/")))
}
}
return retInfo, valid
}
func testSubSet(testSet TestFile, pctx UnixParserCtx, nodes []Node) (bool, error) {
var results []types.Event
for _, in := range testSet.Lines {
out, err := Parse(pctx, in, nodes)
if err != nil {
log.Errorf("Failed to process %s : %v", spew.Sdump(in), err)
}
//log.Infof("Parser output : %s", spew.Sdump(out))
results = append(results, out)
}
log.Infof("parsed %d lines", len(testSet.Lines))
log.Infof("got %d results", len(results))
/*
check the results we got against the expected ones
only the keys of the expected part are checked against result
*/
if len(testSet.Results) == 0 && len(results) == 0 {
log.Fatalf("No results, no tests, abort.")
return false, fmt.Errorf("no tests, no results")
}
reCheck:
failinfo := []string{}
for ridx, result := range results {
for eidx, expected := range testSet.Results {
explain, match := matchEvent(expected, result, debug)
if match == true {
log.Infof("expected %d/%d matches result %d/%d", eidx, len(testSet.Results), ridx, len(results))
if len(explain) > 0 {
log.Printf("-> %s", explain[len(explain)-1])
}
//don't do this at home : delete current element from list and redo
results[len(results)-1], results[ridx] = results[ridx], results[len(results)-1]
results = results[:len(results)-1]
testSet.Results[len(testSet.Results)-1], testSet.Results[eidx] = testSet.Results[eidx], testSet.Results[len(testSet.Results)-1]
testSet.Results = testSet.Results[:len(testSet.Results)-1]
goto reCheck
} else {
failinfo = append(failinfo, explain...)
}
}
}
if len(results) > 0 {
log.Printf("Errors : %s", strings.Join(failinfo, " / "))
return false, fmt.Errorf("leftover results : %+v", results)
}
if len(testSet.Results) > 0 {
log.Printf("Errors : %s", strings.Join(failinfo, " / "))
return false, fmt.Errorf("leftover expected results : %+v", testSet.Results)
}
return true, nil
}
func testFile(testSet []TestFile, pctx UnixParserCtx, nodes []Node) bool {
log.Warningf("Going to process one test set")
for _, tf := range testSet {
//func testSubSet(testSet TestFile, pctx UnixParserCtx, nodes []Node) (bool, error) {
testOk, err := testSubSet(tf, pctx, nodes)
if err != nil {
log.Fatalf("test failed : %s", err)
}
if !testOk {
log.Fatalf("failed test : %+v", tf)
}
}
return true
}

View file

@ -3,9 +3,9 @@ debug: true
onsuccess: next_stage
name: tests/base-grok
pattern_syntax:
MYCAP: ".*"
MYCAP2: ".*"
grok:
pattern: ^xxheader %{MYCAP:extracted_value} trailing stuff$
pattern: ^xxheader %{MYCAP2:extracted_value} trailing stuff$
apply_on: Line.Raw
statics:
- meta: log_type

View file

@ -3,10 +3,10 @@ debug: true
onsuccess: next_stage
name: tests/base-grok
pattern_syntax:
MYCAP: ".*"
MYCAP1: ".*"
nodes:
- grok:
pattern: ^xxheader %{MYCAP:extracted_value} trailing stuff$
pattern: ^xxheader %{MYCAP1:extracted_value} trailing stuff$
apply_on: Line.Raw
statics:
- meta: log_type

View file

@ -3,10 +3,10 @@ debug: true
onsuccess: next_stage
name: tests/base-grok
pattern_syntax:
MYCAP: ".*"
MYCAP3: ".*"
nodes:
- grok:
pattern: ^xxheader %{MYCAP:extracted_value} trailing stuff$
pattern: ^xxheader %{MYCAP3:extracted_value} trailing stuff$
apply_on: message
statics:
- meta: log_type

View file

@ -1,4 +1,4 @@
- filename: {{.TestDirectory}}/base-grok.yaml
stage: s00-raw
- filename: {{.TestDirectory}}/base-grok2.yaml
stage: s01-parse
stage: s01-parse

View file

@ -3,9 +3,9 @@ filter: "evt.Line.Labels.type == 'type1'"
debug: true
name: tests/base-grok-root
pattern_syntax:
MYCAP: ".*"
MYCAP4: ".*"
grok:
pattern: ^xxheader %{MYCAP:extracted_value} trailing stuff$
pattern: ^xxheader %{MYCAP4:extracted_value} trailing stuff$
apply_on: Line.Raw
statics:
- meta: state