124 lines
3.4 KiB
Go

package tests
import (
"bytes"
"compress/gzip"
"io"
"net/http"
"net/http/httptest"
"testing"
"git.coopcloud.tech/wiki-cafe/member-console/internal/middleware"
)
func TestDecompressMiddleware(t *testing.T) {
// Create a simple handler that reads the request body and returns it
testHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
body, err := io.ReadAll(r.Body)
if err != nil {
http.Error(w, "Error reading body", http.StatusInternalServerError)
return
}
w.Write(body)
})
// Apply decompression middleware
handler := middleware.DecompressDefault()(testHandler)
t.Run("No compression", func(t *testing.T) {
// Create a request with no compression
testData := []byte("test data with no compression")
req := httptest.NewRequest("POST", "/", bytes.NewReader(testData))
rr := httptest.NewRecorder()
// Call the handler
handler.ServeHTTP(rr, req)
// Check the response
if rr.Code != http.StatusOK {
t.Errorf("Expected status code %d, got %d", http.StatusOK, rr.Code)
}
if !bytes.Equal(testData, rr.Body.Bytes()) {
t.Errorf("Response body does not match original data")
}
})
t.Run("Gzip compression", func(t *testing.T) {
// Create gzip compressed data
testData := []byte("test data with gzip compression")
var buf bytes.Buffer
gzWriter := gzip.NewWriter(&buf)
_, err := gzWriter.Write(testData)
if err != nil {
t.Fatal(err)
}
if err := gzWriter.Close(); err != nil {
t.Fatal(err)
}
// Create a request with gzip compression
req := httptest.NewRequest("POST", "/", &buf)
req.Header.Set("Content-Encoding", "gzip")
rr := httptest.NewRecorder()
// Call the handler
handler.ServeHTTP(rr, req)
// Check the response
if rr.Code != http.StatusOK {
t.Errorf("Expected status code %d, got %d", http.StatusOK, rr.Code)
}
if !bytes.Equal(testData, rr.Body.Bytes()) {
t.Errorf("Response body does not match original data")
}
})
t.Run("Invalid gzip data", func(t *testing.T) {
// Create invalid gzip data
testData := []byte("this is not valid gzip data")
req := httptest.NewRequest("POST", "/", bytes.NewReader(testData))
req.Header.Set("Content-Encoding", "gzip")
rr := httptest.NewRecorder()
// Call the handler
handler.ServeHTTP(rr, req)
// Check that we get a bad request
if rr.Code != http.StatusBadRequest {
t.Errorf("Expected status code %d, got %d", http.StatusBadRequest, rr.Code)
}
})
t.Run("Size limit", func(t *testing.T) {
// Create oversized data
testData := bytes.Repeat([]byte("a"), 11<<20) // 11MB
var buf bytes.Buffer
gzWriter := gzip.NewWriter(&buf)
_, err := gzWriter.Write(testData)
if err != nil {
t.Fatal(err)
}
if err := gzWriter.Close(); err != nil {
t.Fatal(err)
}
// Create a limited decompression middleware (10MB limit)
limitedHandler := middleware.Decompress(nil)(testHandler)
// Create a request with gzip compression
req := httptest.NewRequest("POST", "/", &buf)
req.Header.Set("Content-Encoding", "gzip")
rr := httptest.NewRecorder()
// Call the handler
limitedHandler.ServeHTTP(rr, req)
// The request should process but the body will be truncated
if rr.Code != http.StatusOK {
t.Errorf("Expected status code %d, got %d", http.StatusOK, rr.Code)
}
if len(rr.Body.Bytes()) >= 11<<20 {
t.Errorf("Expected response to be truncated to less than 11MB, got %d bytes", len(rr.Body.Bytes()))
}
})
}