add basic test for client

gemax/client_test.go

@@ -2,11 +2,14 @@ package gemax_test
 
 import (
 	"context"
+	"crypto/tls"
 	"embed"
 	"io"
+	"net"
 	"testing"
 
 	"github.com/ninedraft/gemax/gemax"
+	"github.com/ninedraft/gemax/gemax/internal/testaddr"
 	"github.com/ninedraft/gemax/gemax/internal/tester"
 )
 
@@ -35,3 +38,55 @@ func TestClient(test *testing.T) {
 	}
 	test.Logf("%s", data)
 }
+
+func TestClientTLS(test *testing.T) {
+	var addr = testaddr.Addr()
+	var tcpListener, errListenTCP = net.Listen("tcp", addr)
+	if errListenTCP != nil {
+		test.Fatalf("starting a TCP listener: %v", errListenTCP)
+	}
+	defer tcpListener.Close()
+
+	var cert, errCert = tls.LoadX509KeyPair("testdata/cert.pem", "testdata/key.pem")
+	if errCert != nil {
+		test.Fatalf("loading test TLS certs: %v", errCert)
+	}
+	var tlsCfg = &tls.Config{
+		MinVersion:   tls.VersionTLS12,
+		Certificates: []tls.Certificate{cert},
+	}
+
+	var ctx, cancel = context.WithCancel(context.Background())
+	defer cancel()
+
+	var listener = tls.NewListener(tcpListener, tlsCfg)
+	go func() {
+		<-ctx.Done()
+		listener.Close()
+	}()
+	go func() {
+		var conn, errAccept = listener.Accept()
+		if errAccept != nil {
+			test.Log("accepting test connection:", errAccept)
+			return
+		}
+		defer conn.Close()
+
+		var testdata, errTestData = testClientPages.ReadFile("testdata/client/pages/success.com")
+		if errTestData != nil {
+			test.Log("reading test data:", errTestData)
+			return
+		}
+		conn.Write(testdata)
+	}()
+
+	var client = &gemax.Client{}
+	var resp, errFetch = client.Fetch(ctx, "gemini://"+addr)
+	if errFetch != nil {
+		test.Fatal("fetching test data:", errFetch)
+	}
+	defer resp.Close()
+
+	var responseText, _ = io.ReadAll(resp)
+	test.Logf("response: %q", responseText)
+}