transport: spot-check NewTransport

transport/listener_test.go

@@ -0,0 +1,193 @@
+package transport
+
+import (
+	"io/ioutil"
+	"os"
+	"testing"
+)
+
+var (
+	TLSCA = []byte(`-----BEGIN CERTIFICATE-----
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+nmI4dQvz0rHIh4FBUKWWrJhRWhrv9ty/YFuJXVUHeAwr5nz6RFZ4wQ==
+-----END CERTIFICATE-----`)
+	TLSKey = []byte(`-----BEGIN RSA PRIVATE KEY-----
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+-----END RSA PRIVATE KEY-----`)
+	TLSCert = []byte(`-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----`)
+)
+
+func createTempFile(b []byte) (string, error) {
+	f, err := ioutil.TempFile("", "etcd-test-tls-")
+	if err != nil {
+		return "", err
+	}
+	defer f.Close()
+
+	if _, err = f.Write(b); err != nil {
+		return "", err
+	}
+
+	return f.Name(), nil
+}
+
+func TestNewTransportTLSInfo(t *testing.T) {
+	fCA, err := createTempFile(TLSCA)
+	if err != nil {
+		t.Fatalf("Unable to prepare TLS CA tmpfile: %v", err)
+	}
+	defer os.Remove(fCA)
+
+	fCert, err := createTempFile(TLSCert)
+	if err != nil {
+		t.Fatalf("Unable to prepare TLS cert tmpfile: %v", err)
+	}
+	defer os.Remove(fCert)
+
+	fKey, err := createTempFile(TLSKey)
+	if err != nil {
+		t.Fatalf("Unable to prepare TLS key tmpfile: %v", err)
+	}
+	defer os.Remove(fKey)
+
+	tests := []struct {
+		info                TLSInfo
+		wantTLSClientConfig bool
+	}{
+		{
+			info:                TLSInfo{},
+			wantTLSClientConfig: false,
+		},
+		{
+			info: TLSInfo{
+				CertFile: fCert,
+				KeyFile:  fKey,
+			},
+			wantTLSClientConfig: true,
+		},
+		{
+			info: TLSInfo{
+				CertFile: fCert,
+				KeyFile:  fKey,
+				CAFile:   fCA,
+			},
+			wantTLSClientConfig: true,
+		},
+	}
+
+	for i, tt := range tests {
+		trans, err := NewTransport(tt.info)
+		if err != nil {
+			t.Fatalf("Received unexpected error from NewTransport: %v", err)
+		}
+
+		gotTLSClientConfig := trans.TLSClientConfig != nil
+		if tt.wantTLSClientConfig != gotTLSClientConfig {
+			t.Fatalf("%#d: wantTLSClientConfig=%t but gotTLSClientConfig=%t", i, tt.wantTLSClientConfig, gotTLSClientConfig)
+		}
+	}
+}