1 files changed, 67 insertions, 0 deletions
diff --git a/workhorse/internal/upstream/handlers_test.go b/workhorse/internal/upstream/handlers_test.go
new file mode 100644
index 00000000000..10c7479f5c5
--- /dev/null
+++ b/workhorse/internal/upstream/handlers_test.go
@@ -0,0 +1,67 @@
+package upstream
+
+import (
+	"bytes"
+	"compress/gzip"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestGzipEncoding(t *testing.T) {
+	resp := httptest.NewRecorder()
+
+	var b bytes.Buffer
+	w := gzip.NewWriter(&b)
+	fmt.Fprint(w, "test")
+	w.Close()
+
+	body := ioutil.NopCloser(&b)
+
+	req, err := http.NewRequest("POST", "http://address/test", body)
+	require.NoError(t, err)
+	req.Header.Set("Content-Encoding", "gzip")
+
+	contentEncodingHandler(http.HandlerFunc(func(_ http.ResponseWriter, r *http.Request) {
+		require.IsType(t, &gzip.Reader{}, r.Body, "body type")
+		require.Empty(t, r.Header.Get("Content-Encoding"), "Content-Encoding should be deleted")
+	})).ServeHTTP(resp, req)
+
+	require.Equal(t, 200, resp.Code)
+}
+
+func TestNoEncoding(t *testing.T) {
+	resp := httptest.NewRecorder()
+
+	var b bytes.Buffer
+	body := ioutil.NopCloser(&b)
+
+	req, err := http.NewRequest("POST", "http://address/test", body)
+	require.NoError(t, err)
+	req.Header.Set("Content-Encoding", "")
+
+	contentEncodingHandler(http.HandlerFunc(func(_ http.ResponseWriter, r *http.Request) {
+		require.Equal(t, body, r.Body, "Expected the same body")
+		require.Empty(t, r.Header.Get("Content-Encoding"), "Content-Encoding should be deleted")
+	})).ServeHTTP(resp, req)
+
+	require.Equal(t, 200, resp.Code)
+}
+
+func TestInvalidEncoding(t *testing.T) {
+	resp := httptest.NewRecorder()
+
+	req, err := http.NewRequest("POST", "http://address/test", nil)
+	require.NoError(t, err)
+	req.Header.Set("Content-Encoding", "application/unknown")
+
+	contentEncodingHandler(http.HandlerFunc(func(_ http.ResponseWriter, _ *http.Request) {
+		t.Fatal("it shouldn't be executed")
+	})).ServeHTTP(resp, req)
+
+	require.Equal(t, 500, resp.Code)
+}