Initial QSfera import

Server/pkg/crypto/gencert_test.go

@@ -0,0 +1,155 @@
+package crypto
+
+import (
+	"crypto/ecdsa"
+	"crypto/elliptic"
+	"crypto/rand"
+	"crypto/rsa"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/qsfera/server/pkg/log"
+)
+
+func TestEnsureExistsDir(t *testing.T) {
+	var tmpDir = t.TempDir()
+
+	type args struct {
+		uri string
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+	}{
+		{
+			name: "creates a dir if it does not exist",
+			args: args{
+				uri: filepath.Join(tmpDir, "example"),
+			},
+			wantErr: false,
+		},
+		{
+			name: "noop if the target directory exists",
+			args: args{
+				uri: filepath.Join(tmpDir, "example"),
+			},
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if err := ensureExistsDir(tt.args.uri); (err != nil) != tt.wantErr {
+				t.Errorf("ensureExistsDir() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}
+
+func TestPersistKey(t *testing.T) {
+	p256 := elliptic.P256()
+	var (
+		tmpDir     = t.TempDir()
+		keyPath    = filepath.Join(tmpDir, "qsfera", "testKey")
+		rsaPk, _   = rsa.GenerateKey(rand.Reader, 2048)
+		ecdsaPk, _ = ecdsa.GenerateKey(p256, rand.Reader)
+	)
+
+	type args struct {
+		keyName string
+		pk      any
+	}
+	tests := []struct {
+		name string
+		args args
+	}{
+		{
+			name: "writes a private key (rsa) to the specified location",
+			args: args{
+				keyName: keyPath,
+				pk:      rsaPk,
+			},
+		},
+		{
+			name: "writes a private key (ecdsa) to the specified location",
+			args: args{
+				keyName: keyPath,
+				pk:      ecdsaPk,
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if err := persistKey(tt.args.keyName, log.NopLogger(), tt.args.pk); err != nil {
+				t.Error(err)
+			}
+		})
+
+		// side effect: tt.args.keyName is created
+		if _, err := os.Stat(tt.args.keyName); err != nil {
+			t.Errorf("persistKey() error = %v", err)
+		}
+	}
+}
+
+func TestPersistCertificate(t *testing.T) {
+	p256 := elliptic.P256()
+	var (
+		tmpDir     = t.TempDir()
+		certPath   = filepath.Join(tmpDir, "qsfera", "testCert")
+		rsaPk, _   = rsa.GenerateKey(rand.Reader, 2048)
+		ecdsaPk, _ = ecdsa.GenerateKey(p256, rand.Reader)
+	)
+
+	type args struct {
+		certName string
+		pk       any
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+	}{
+		{
+			name: "store a certificate with an rsa private key",
+			args: args{
+				certName: certPath,
+				pk:       rsaPk,
+			},
+			wantErr: false,
+		},
+		{
+			name: "store a certificate with an ecdsa private key",
+			args: args{
+				certName: certPath,
+				pk:       ecdsaPk,
+			},
+			wantErr: false,
+		},
+		{
+			name: "should fail",
+			args: args{
+				certName: certPath,
+				pk:       42,
+			},
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Run(tt.name, func(t *testing.T) {
+				if err := persistCertificate(tt.args.certName, log.NopLogger(), tt.args.pk); err != nil {
+					if !tt.wantErr {
+						t.Error(err)
+					}
+				}
+			})
+
+			// side effect: tt.args.keyName is created
+			if _, err := os.Stat(tt.args.certName); err != nil {
+				t.Errorf("persistCertificate() error = %v", err)
+			}
+		})
+	}
+}