chore: improve codecov (#1878)

rest/handler/loghandler_test.go

@@ -1,6 +1,8 @@
 package handler
 
 import (
+	"bytes"
+	"io"
 	"io/ioutil"
 	"log"
 	"net/http"
@@ -44,6 +46,33 @@ func TestLogHandler(t *testing.T) {
 	}
 }
 
+func TestLogHandlerVeryLong(t *testing.T) {
+	var buf bytes.Buffer
+	for i := 0; i < limitBodyBytes<<1; i++ {
+		buf.WriteByte('a')
+	}
+
+	req := httptest.NewRequest(http.MethodPost, "http://localhost", &buf)
+	handler := LogHandler(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		r.Context().Value(internal.LogContext).(*internal.LogCollector).Append("anything")
+		io.Copy(ioutil.Discard, r.Body)
+		w.Header().Set("X-Test", "test")
+		w.WriteHeader(http.StatusServiceUnavailable)
+		_, err := w.Write([]byte("content"))
+		assert.Nil(t, err)
+
+		flusher, ok := w.(http.Flusher)
+		assert.True(t, ok)
+		flusher.Flush()
+	}))
+
+	resp := httptest.NewRecorder()
+	handler.ServeHTTP(resp, req)
+	assert.Equal(t, http.StatusServiceUnavailable, resp.Code)
+	assert.Equal(t, "test", resp.Header().Get("X-Test"))
+	assert.Equal(t, "content", resp.Body.String())
+}
+
 func TestLogHandlerSlow(t *testing.T) {
 	handlers := []func(handler http.Handler) http.Handler{
 		LogHandler,
@@ -106,6 +135,28 @@ func TestSetSlowThreshold(t *testing.T) {
 	assert.Equal(t, time.Second, slowThreshold.Load())
 }
 
+func TestWrapMethodWithColor(t *testing.T) {
+	// no tty
+	assert.Equal(t, http.MethodGet, wrapMethod(http.MethodGet))
+	assert.Equal(t, http.MethodPost, wrapMethod(http.MethodPost))
+	assert.Equal(t, http.MethodPut, wrapMethod(http.MethodPut))
+	assert.Equal(t, http.MethodDelete, wrapMethod(http.MethodDelete))
+	assert.Equal(t, http.MethodPatch, wrapMethod(http.MethodPatch))
+	assert.Equal(t, http.MethodHead, wrapMethod(http.MethodHead))
+	assert.Equal(t, http.MethodOptions, wrapMethod(http.MethodOptions))
+	assert.Equal(t, http.MethodConnect, wrapMethod(http.MethodConnect))
+	assert.Equal(t, http.MethodTrace, wrapMethod(http.MethodTrace))
+}
+
+func TestWrapStatusCodeWithColor(t *testing.T) {
+	// no tty
+	assert.Equal(t, "200", wrapStatusCode(http.StatusOK))
+	assert.Equal(t, "302", wrapStatusCode(http.StatusFound))
+	assert.Equal(t, "404", wrapStatusCode(http.StatusNotFound))
+	assert.Equal(t, "500", wrapStatusCode(http.StatusInternalServerError))
+	assert.Equal(t, "503", wrapStatusCode(http.StatusServiceUnavailable))
+}
+
 func BenchmarkLogHandler(b *testing.B) {
 	b.ReportAllocs()