Keep output of "vuls scan -report-*" to be same every times

models/models.go

@@ -277,6 +277,14 @@ func (ps PackageInfoList) FindByName(name string) (result PackageInfo, found boo
 //      return PackageInfo{}, false
 //  }
 
+// PackageInfosByName implements sort.Interface for []PackageInfo based on
+// the Name field.
+type PackageInfosByName []PackageInfo
+
+func (a PackageInfosByName) Len() int           { return len(a) }
+func (a PackageInfosByName) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }
+func (a PackageInfosByName) Less(i, j int) bool { return a[i].Name < a[j].Name }
+
 // PackageInfo has installed packages.
 type PackageInfo struct {
 	gorm.Model `json:"-" xml:"-"`

scan/base.go

@@ -226,6 +226,8 @@ func (l base) isAwsInstanceID(str string) bool {
 func (l *base) convertToModel() (models.ScanResult, error) {
 	var scoredCves, unscoredCves, ignoredCves models.CveInfos
 	for _, p := range l.UnsecurePackages {
+		sort.Sort(models.PackageInfosByName(p.Packs))
+
 		// ignoreCves
 		found := false
 		for _, icve := range l.getServerInfo().IgnoreCves {

scan/serverapi_test.go

@@ -1,6 +1,12 @@
 package scan
 
-import "testing"
+import (
+	"github.com/future-architect/vuls/config"
+	"github.com/future-architect/vuls/models"
+	cve "github.com/kotakanbe/go-cve-dictionary/models"
+	"reflect"
+	"testing"
+)
 
 func TestPackageCveInfosSetGet(t *testing.T) {
 	var test = struct {
@@ -45,3 +51,108 @@ func TestPackageCveInfosSetGet(t *testing.T) {
 		}
 	}
 }
+
+func TestGetScanResults(t *testing.T) {
+	// setup servers
+	c := config.ServerInfo{
+		ServerName: "ubuntu",
+	}
+	deb1 := newDebian(c)
+	deb2 := newDebian(c)
+
+	cpis1 := []CvePacksInfo{
+		{
+			CveID:     "CVE1",
+			CveDetail: cve.CveDetail{CveID: "CVE1"},
+			Packs: []models.PackageInfo{
+				{Name: "mysql-client-5.5"},
+				{Name: "mysql-server-5.5"},
+				{Name: "mysql-common-5.5"},
+			},
+		},
+		{
+			CveID:     "CVE2",
+			CveDetail: cve.CveDetail{CveID: "CVE2"},
+			Packs: []models.PackageInfo{
+				{Name: "mysql-common-5.5"},
+				{Name: "mysql-server-5.5"},
+				{Name: "mysql-client-5.5"},
+			},
+		},
+	}
+	cpis2 := []CvePacksInfo{
+		{
+			CveID:     "CVE3",
+			CveDetail: cve.CveDetail{CveID: "CVE3"},
+			Packs: []models.PackageInfo{
+				{Name: "libcurl3"},
+				{Name: "curl"},
+			},
+		},
+		{
+			CveID:     "CVE4",
+			CveDetail: cve.CveDetail{CveID: "CVE4"},
+			Packs: []models.PackageInfo{
+				{Name: "bind9"},
+				{Name: "libdns100"},
+			},
+		},
+	}
+	deb1.setUnsecurePackages(cpis1)
+	servers = append(servers, deb1)
+
+	deb2.setUnsecurePackages(cpis2)
+	servers = append(servers, deb2)
+
+	// prepare expected data
+	expectedUnKnownPackages := []map[string][]models.PackageInfo{
+		{
+			"CVE1": {
+				{Name: "mysql-client-5.5"},
+				{Name: "mysql-common-5.5"},
+				{Name: "mysql-server-5.5"},
+			},
+		},
+		{
+			"CVE2": {
+				{Name: "mysql-client-5.5"},
+				{Name: "mysql-common-5.5"},
+				{Name: "mysql-server-5.5"},
+			},
+		},
+		{
+			"CVE3": {
+				{Name: "curl"},
+				{Name: "libcurl3"},
+			},
+		},
+		{
+			"CVE4": {
+				{Name: "bind9"},
+				{Name: "libdns100"},
+			},
+		},
+	}
+
+	// check scanResults
+	scanResults, _ := GetScanResults()
+	if len(scanResults) != 2 {
+		t.Errorf("length of scanResults should be 2")
+	}
+	for i, result := range scanResults {
+		if result.ServerName != "ubuntu" {
+			t.Errorf("expected ubuntu, actual %s", result.ServerName)
+		}
+
+		unKnownCves := result.UnknownCves
+		if len(unKnownCves) != 2 {
+			t.Errorf("length of unKnownCves should be 2")
+		}
+		for j, unKnownCve := range unKnownCves {
+			expected := expectedUnKnownPackages[i*2+j][unKnownCve.CveDetail.CveID]
+			if !reflect.DeepEqual(expected, unKnownCve.Packages) {
+				t.Errorf("expected %v, actual %v", expected, unKnownCve.Packages)
+			}
+		}
+	}
+}