fix: 修复 TLS ConnectionState、SPA 回退、健康检查与监听小问题

internal/httpx/spa_test.go

@@ -0,0 +1,70 @@
+package httpx_test
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+	"testing/fstest"
+
+	"git.asio.asia/nixevol/NixMsg/internal/httpx"
+)
+
+func TestSPAFallbackAndMissingAsset(t *testing.T) {
+	fsys := fstest.MapFS{
+		"index.html":    &fstest.MapFile{Data: []byte("<html>app</html>")},
+		"assets/app.js": &fstest.MapFile{Data: []byte("console.log(1)")},
+	}
+	h := httpx.SPA(fsys)
+
+	t.Run("frontend route", func(t *testing.T) {
+		res := httptest.NewRecorder()
+		h.ServeHTTP(res, httptest.NewRequest(http.MethodGet, "/endpoints", nil))
+		if res.Code != http.StatusOK {
+			t.Fatalf("status=%d", res.Code)
+		}
+		ct := res.Header().Get("Content-Type")
+		if !strings.Contains(ct, "text/html") {
+			t.Fatalf("content-type=%q", ct)
+		}
+		if !strings.Contains(res.Body.String(), "app") {
+			t.Fatalf("body=%q", res.Body.String())
+		}
+		if res.Header().Get("Cache-Control") != "no-cache" {
+			t.Fatalf("cache-control=%q", res.Header().Get("Cache-Control"))
+		}
+	})
+
+	t.Run("missing js", func(t *testing.T) {
+		res := httptest.NewRecorder()
+		h.ServeHTTP(res, httptest.NewRequest(http.MethodGet, "/assets/nope.js", nil))
+		if res.Code != http.StatusNotFound {
+			t.Fatalf("status=%d", res.Code)
+		}
+	})
+
+	t.Run("directory no listing", func(t *testing.T) {
+		res := httptest.NewRecorder()
+		h.ServeHTTP(res, httptest.NewRequest(http.MethodGet, "/assets/", nil))
+		if res.Code != http.StatusOK {
+			t.Fatalf("status=%d", res.Code)
+		}
+		if strings.Contains(res.Body.String(), "app.js") {
+			t.Fatal("directory listing leaked")
+		}
+		if !strings.Contains(res.Body.String(), "app") {
+			t.Fatalf("want spa index, body=%q", res.Body.String())
+		}
+	})
+
+	t.Run("existing file", func(t *testing.T) {
+		res := httptest.NewRecorder()
+		h.ServeHTTP(res, httptest.NewRequest(http.MethodGet, "/assets/app.js", nil))
+		if res.Code != http.StatusOK {
+			t.Fatalf("status=%d", res.Code)
+		}
+		if res.Body.String() != "console.log(1)" {
+			t.Fatalf("body=%q", res.Body.String())
+		}
+	})
+}