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donchev7donchev7
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fix failing tests
1 parent 060195c commit a2af5cd

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2 files changed

+28
-22
lines changed

2 files changed

+28
-22
lines changed

‎pkg/http/cache.go

Lines changed: 5 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -220,6 +220,7 @@ func (h handler) asyncCacheRevalidate(key string, orig *http.Request) func() {
220220
req.Header = cloneHeaders(orig.Header)
221221
stripHopByHop(req.Header)
222222
req.Header.Del("Range")
223+
log.Ctx(orig.Context()).Debug().Str("key", key).Str("url", u.String()).Msg("revalidating cache")
223224

224225
resp, err := h.httpClient.Do(req)
225226
if err != nil {
@@ -257,7 +258,6 @@ func (h handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
257258

258259
if entry == nil {
259260
cr := h.cacheResponse(ctx, key)
260-
h.metricsCollector.CacheMiss(r.Method, 0) // final status will be recorded in ModifyResponse
261261
r2 := r.WithContext(context.WithValue(ctx, ctxKeyCacheFunc, cr))
262262
h.proxy.ServeHTTP(w, r2)
263263
return
@@ -267,12 +267,14 @@ func (h handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
267267
if entry.IsStale() {
268268
go h.worker.Start(key, h.asyncCacheRevalidate(key, r))
269269
}
270+
logger.Debug().Str("key", key).Int("status", entry.Status).Msg("serving cached response")
270271
serveResponseFromMemory(w, *entry)
271272
}
272273

273274
func (h handler) cacheResponse(ctx context.Context, key string) func(*http.Response) error {
274275
return func(resp *http.Response) error {
275276
lg := log.Ctx(ctx)
277+
h.metricsCollector.CacheMiss(resp.Request.Method, resp.StatusCode)
276278

277279
if resp.StatusCode >= http.StatusInternalServerError {
278280
return nil
@@ -288,6 +290,8 @@ func (h handler) cacheResponse(ctx context.Context, key string) func(*http.Respo
288290
return nil
289291
}
290292

293+
lg.Debug().Str("key", key).Int("status", resp.StatusCode).Msg("caching response")
294+
291295
lr := &io.LimitedReader{R: resp.Body, N: maxCacheBytes + 1}
292296
body, err := io.ReadAll(lr)
293297
if err != nil {

‎pkg/http/cache_test.go

Lines changed: 23 additions & 21 deletions
Original file line numberDiff line numberDiff line change
@@ -81,7 +81,8 @@ func TestCacheHandler(t *testing.T) {
8181
defer downstreamServerNok.Close()
8282

8383
webSocketReq := mustRequest(t, "/connect", "")
84-
webSocketReq.Header.Set("connection", "upgrade")
84+
webSocketReq.Header.Set("Connection", "upgrade")
85+
webSocketReq.Header.Set("Upgrade", "websocket")
8586

8687
tests := []struct {
8788
name string
@@ -90,17 +91,17 @@ func TestCacheHandler(t *testing.T) {
9091
want int
9192
}{
9293
{
93-
name: "cacheLookup error should still forward request to downstream and store response",
94+
name: "cacheLookup error should still forward request to downstream",
9495
handler: newCacheHandler(
9596
func() Cacher {
9697
mock := NewMockCacher(ctrl)
9798
mock.EXPECT().LookUp(gomock.Any(), gomock.Any()).Return(nil, errors.New("test-error"))
98-
mock.EXPECT().Store(gomock.Any(), gomock.Any(), gomock.Any())
99+
mock.EXPECT().Store(gomock.Any(), gomock.Any(), gomock.Any()).Times(0)
99100
return mock
100101
}(),
101102
func() MetricsCollector {
102103
mock := NewMockMetricsCollector(ctrl)
103-
mock.EXPECT().CacheMiss("GET", proxied)
104+
mock.EXPECT().CacheMiss("GET", proxied).Times(1)
104105
return mock
105106
}(),
106107
nil,
@@ -117,7 +118,8 @@ func TestCacheHandler(t *testing.T) {
117118
func() Cacher {
118119
mock := NewMockCacher(ctrl)
119120
mock.EXPECT().LookUp(gomock.Any(), gomock.Any()).Return(nil, nil).Times(1)
120-
mock.EXPECT().Store(gomock.Any(), gomock.Any(), newResponseMatcher(proxied, nil)).Return(nil).Times(1)
121+
mock.EXPECT().Store(gomock.Any(), gomock.Any(), gomock.Any()).Times(0)
122+
121123
return mock
122124
}(),
123125
func() MetricsCollector {
@@ -138,13 +140,13 @@ func TestCacheHandler(t *testing.T) {
138140
handler: newCacheHandler(
139141
func() Cacher {
140142
mock := NewMockCacher(ctrl)
141-
mock.EXPECT().LookUp(nil, nil).Times(0)
142-
mock.EXPECT().Store(nil, nil, nil).Times(0)
143+
mock.EXPECT().LookUp(gomock.Any(), gomock.Any()).Times(0)
144+
mock.EXPECT().Store(gomock.Any(), gomock.Any(), gomock.Any()).Times(0)
143145
return mock
144146
}(),
145147
func() MetricsCollector {
146148
mock := NewMockMetricsCollector(ctrl)
147-
mock.EXPECT().CacheMiss(nil, nil).Times(0)
149+
mock.EXPECT().CacheMiss(gomock.Any(), gomock.Any()).Times(0)
148150
return mock
149151
}(),
150152
nil,
@@ -160,13 +162,13 @@ func TestCacheHandler(t *testing.T) {
160162
handler: newCacheHandler(
161163
func() Cacher {
162164
mock := NewMockCacher(ctrl)
163-
mock.EXPECT().LookUp(nil, nil).Times(0)
164-
mock.EXPECT().Store(nil, nil, nil).Times(0)
165+
mock.EXPECT().LookUp(gomock.Any(), gomock.Any()).Times(0)
166+
mock.EXPECT().Store(gomock.Any(), gomock.Any(), gomock.Any()).Times(0)
165167
return mock
166168
}(),
167169
func() MetricsCollector {
168170
mock := NewMockMetricsCollector(ctrl)
169-
mock.EXPECT().CacheMiss(nil, nil).Times(0)
171+
mock.EXPECT().CacheMiss(gomock.Any(), gomock.Any()).Times(0)
170172
return mock
171173
}(),
172174
nil,
@@ -182,13 +184,13 @@ func TestCacheHandler(t *testing.T) {
182184
handler: newCacheHandler(
183185
func() Cacher {
184186
mock := NewMockCacher(ctrl)
185-
mock.EXPECT().LookUp(nil, nil).Times(0)
186-
mock.EXPECT().Store(nil, nil, nil).Times(0)
187+
mock.EXPECT().LookUp(gomock.Any(), gomock.Any()).Times(0)
188+
mock.EXPECT().Store(gomock.Any(), gomock.Any(), gomock.Any()).Times(0)
187189
return mock
188190
}(),
189191
func() MetricsCollector {
190192
mock := NewMockMetricsCollector(ctrl)
191-
mock.EXPECT().CacheMiss(nil, nil).Times(0)
193+
mock.EXPECT().CacheMiss(gomock.Any(), gomock.Any()).Times(0)
192194
return mock
193195
}(),
194196
nil,
@@ -204,13 +206,13 @@ func TestCacheHandler(t *testing.T) {
204206
handler: newCacheHandler(
205207
func() Cacher {
206208
mock := NewMockCacher(ctrl)
207-
mock.EXPECT().LookUp(nil, nil).Times(0)
208-
mock.EXPECT().Store(nil, nil, nil).Times(0)
209+
mock.EXPECT().LookUp(gomock.Any(), gomock.Any()).Times(0)
210+
mock.EXPECT().Store(gomock.Any(), gomock.Any(), gomock.Any()).Times(0)
209211
return mock
210212
}(),
211213
func() MetricsCollector {
212214
mock := NewMockMetricsCollector(ctrl)
213-
mock.EXPECT().CacheMiss(nil, nil).Times(0)
215+
mock.EXPECT().CacheMiss(gomock.Any(), gomock.Any()).Times(0)
214216
return mock
215217
}(),
216218
nil,
@@ -226,13 +228,13 @@ func TestCacheHandler(t *testing.T) {
226228
handler: newCacheHandler(
227229
func() Cacher {
228230
mock := NewMockCacher(ctrl)
229-
mock.EXPECT().LookUp(nil, nil).Times(0)
230-
mock.EXPECT().Store(nil, nil, nil).Times(0)
231+
mock.EXPECT().LookUp(gomock.Any(), gomock.Any()).Times(0)
232+
mock.EXPECT().Store(gomock.Any(), gomock.Any(), gomock.Any()).Times(0)
231233
return mock
232234
}(),
233235
func() MetricsCollector {
234236
mock := NewMockMetricsCollector(ctrl)
235-
mock.EXPECT().CacheMiss(nil, nil).Times(0)
237+
mock.EXPECT().CacheMiss(gomock.Any(), gomock.Any()).Times(0)
236238
return mock
237239
}(),
238240
nil,
@@ -249,7 +251,7 @@ func TestCacheHandler(t *testing.T) {
249251
func() Cacher {
250252
mock := NewMockCacher(ctrl)
251253
mock.EXPECT().LookUp(gomock.Any(), gomock.Any()).Return(nil, nil).Times(1)
252-
mock.EXPECT().Store(nil, nil, nil).Times(0)
254+
mock.EXPECT().Store(gomock.Any(), gomock.Any(), gomock.Any()).Times(0)
253255
return mock
254256
}(),
255257
func() MetricsCollector {

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