clair/database/pgsql/complex_test.go

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2016-01-19 20:16:45 +00:00
// Copyright 2015 clair 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 pgsql
import (
"fmt"
"math/rand"
"runtime"
"strconv"
"sync"
"testing"
"time"
"github.com/coreos/clair/database"
"github.com/coreos/clair/utils"
"github.com/coreos/clair/utils/types"
"github.com/pborman/uuid"
"github.com/stretchr/testify/assert"
)
const (
numVulnerabilities = 100
numFeatureVersions = 100
)
func TestRaceAffects(t *testing.T) {
datastore, err := OpenForTest("RaceAffects", false)
if err != nil {
t.Error(err)
return
}
defer datastore.Close()
// Insert the Feature on which we'll work.
feature := database.Feature{
Namespace: database.Namespace{Name: "TestRaceAffectsFeatureNamespace1"},
Name: "TestRaceAffecturesFeature1",
}
_, err = datastore.insertFeature(feature)
if err != nil {
t.Error(err)
return
}
// Initialize random generator and enforce max procs.
rand.Seed(time.Now().UnixNano())
runtime.GOMAXPROCS(runtime.NumCPU())
// Generate FeatureVersions.
featureVersions := make([]database.FeatureVersion, numFeatureVersions)
for i := 0; i < numFeatureVersions; i++ {
version := rand.Intn(numFeatureVersions)
featureVersions[i] = database.FeatureVersion{
Feature: feature,
Version: types.NewVersionUnsafe(strconv.Itoa(version)),
}
}
// Generate vulnerabilities.
// They are mapped by fixed version, which will make verification really easy afterwards.
vulnerabilities := make(map[int][]database.Vulnerability)
for i := 0; i < numVulnerabilities; i++ {
version := rand.Intn(numFeatureVersions) + 1
// if _, ok := vulnerabilities[version]; !ok {
// vulnerabilities[version] = make([]database.Vulnerability)
// }
vulnerability := database.Vulnerability{
Name: uuid.New(),
Namespace: feature.Namespace,
FixedIn: []database.FeatureVersion{
database.FeatureVersion{
Feature: feature,
Version: types.NewVersionUnsafe(strconv.Itoa(version)),
},
},
Severity: types.Unknown,
}
vulnerabilities[version] = append(vulnerabilities[version], vulnerability)
}
// Insert featureversions and vulnerabilities in parallel.
var wg sync.WaitGroup
wg.Add(2)
go func() {
defer wg.Done()
for _, vulnerabilitiesM := range vulnerabilities {
for _, vulnerability := range vulnerabilitiesM {
err = datastore.InsertVulnerabilities([]database.Vulnerability{vulnerability})
assert.Nil(t, err)
}
}
fmt.Println("finished to insert vulnerabilities")
}()
go func() {
defer wg.Done()
for i := 0; i < len(featureVersions); i++ {
featureVersions[i].ID, err = datastore.insertFeatureVersion(featureVersions[i])
assert.Nil(t, err)
}
fmt.Println("finished to insert featureVersions")
}()
wg.Wait()
// Verify consistency now.
var actualAffectedNames []string
var expectedAffectedNames []string
for _, featureVersion := range featureVersions {
featureVersionVersion, _ := strconv.Atoi(featureVersion.Version.String())
// Get actual affects.
rows, err := datastore.Query(getQuery("s_complextest_featureversion_affects"),
featureVersion.ID)
assert.Nil(t, err)
defer rows.Close()
var vulnName string
for rows.Next() {
err = rows.Scan(&vulnName)
if !assert.Nil(t, err) {
continue
}
actualAffectedNames = append(actualAffectedNames, vulnName)
}
if assert.Nil(t, rows.Err()) {
rows.Close()
}
// Get expected affects.
for i := numVulnerabilities; i > featureVersionVersion; i-- {
for _, vulnerability := range vulnerabilities[i] {
expectedAffectedNames = append(expectedAffectedNames, vulnerability.Name)
}
}
assert.Len(t, utils.CompareStringLists(expectedAffectedNames, actualAffectedNames), 0)
assert.Len(t, utils.CompareStringLists(actualAffectedNames, expectedAffectedNames), 0)
}
}