TUN-528: Move cloudflared into a separate repo

vendor/github.com/mholt/caddy/caddyhttp/internalsrv/internal_test.go

@@ -0,0 +1,137 @@
+// Copyright 2015 Light Code Labs, LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package internalsrv
+
+import (
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"strconv"
+
+	"github.com/mholt/caddy/caddyhttp/httpserver"
+)
+
+const (
+	internalProtectedData  = "~~~protected-data~~~"
+	contentTypeOctetStream = "application/octet-stream"
+)
+
+func TestInternal(t *testing.T) {
+	im := Internal{
+		Next:  httpserver.HandlerFunc(internalTestHandlerFunc),
+		Paths: []string{"/internal"},
+	}
+
+	tests := []struct {
+		url          string
+		expectedCode int
+		expectedBody string
+	}{
+		{"/internal", http.StatusNotFound, ""},
+
+		{"/public", 0, "/public"},
+		{"/public/internal", 0, "/public/internal"},
+
+		{"/redirect", 0, "/internal"},
+
+		{"/cycle", http.StatusInternalServerError, ""},
+	}
+
+	var i int
+	for i, test := range tests {
+		req, err := http.NewRequest("GET", test.url, nil)
+		if err != nil {
+			t.Fatalf("Test %d: Could not create HTTP request: %v", i, err)
+		}
+
+		rec := httptest.NewRecorder()
+		code, _ := im.ServeHTTP(rec, req)
+
+		if code != test.expectedCode {
+			t.Errorf("Test %d: Expected status code %d for %s, but got %d",
+				i, test.expectedCode, test.url, code)
+		}
+		if rec.Body.String() != test.expectedBody {
+			t.Errorf("Test %d: Expected body '%s' for %s, but got '%s'",
+				i, test.expectedBody, test.url, rec.Body.String())
+		}
+	}
+
+	{
+		req, err := http.NewRequest("GET", "/download", nil)
+		if err != nil {
+			t.Fatalf("Test %d: Could not create HTTP request: %v", i, err)
+		}
+
+		rec := httptest.NewRecorder()
+		code, _ := im.ServeHTTP(rec, req)
+
+		if code != 0 {
+			t.Errorf("Test %d: Expected status code %d for %s, but got %d",
+				i, 0, "/download", code)
+		}
+		if rec.Body.String() != internalProtectedData {
+			t.Errorf("Test %d: Expected body '%s' for %s, but got '%s'",
+				i, internalProtectedData, "/download", rec.Body.String())
+		}
+		contentLength, err := strconv.Atoi(rec.Header().Get("Content-Length"))
+		if err != nil || contentLength != len(internalProtectedData) {
+			t.Errorf("Test %d: Expected content-length %d for %s, but got %d",
+				i, len(internalProtectedData), "/download", contentLength)
+		}
+		if val := rec.Header().Get("Content-Type"); val != contentTypeOctetStream {
+			t.Errorf("Test %d: Expected content-type '%s' header for %s, but got '%s'",
+				i, contentTypeOctetStream, "/download", val)
+		}
+		if val := rec.Header().Get("Content-Disposition"); val == "" {
+			t.Errorf("Test %d: Expected content-disposition header for %s",
+				i, "/download")
+		}
+		if val := rec.Header().Get("Content-Encoding"); val != "" {
+			t.Errorf("Test %d: Expected removal of content-encoding header for %s",
+				i, "/download")
+		}
+	}
+}
+
+func internalTestHandlerFunc(w http.ResponseWriter, r *http.Request) (int, error) {
+	switch r.URL.Path {
+	case "/redirect":
+		w.Header().Set("X-Accel-Redirect", "/internal")
+
+	case "/cycle":
+		w.Header().Set("X-Accel-Redirect", "/cycle")
+
+	case "/download":
+		w.Header().Set("X-Accel-Redirect", "/internal/data")
+		w.Header().Set("Content-Disposition", "attachment; filename=test")
+		w.Header().Set("Content-Encoding", "magic")
+		w.Header().Set("Content-Length", "999")
+
+	case "/internal/data":
+		w.WriteHeader(http.StatusOK)
+		w.Header().Set("Content-Type", contentTypeOctetStream)
+		w.Header().Set("Content-Length", strconv.Itoa(len(internalProtectedData)))
+		w.Write([]byte(internalProtectedData))
+		return 0, nil
+	}
+
+	w.WriteHeader(http.StatusOK)
+	fmt.Fprintf(w, r.URL.String())
+
+	return 0, nil
+}