Test_Cache_WithETagAndNoCacheRequestDirective() — fiber Function Reference

Architecture documentation for the Test_Cache_WithETagAndNoCacheRequestDirective() function in cache_test.go from the fiber codebase.

Function go FiberMiddleware Security

Entity Profile

FiberMiddleware→ Security→ Test_Cache_WithETagAndNoCacheRequestDirective() — fiber Function Reference

Dependency Diagram

graph TD
  50b98640_1f5e_1f05_4a63_39c1124165b8["Test_Cache_WithETagAndNoCacheRequestDirective()"]
  8453a087_9678_fe96_1b20_2d125b6f8656["cache_test.go"]
  50b98640_1f5e_1f05_4a63_39c1124165b8 -->|defined in| 8453a087_9678_fe96_1b20_2d125b6f8656
  style 50b98640_1f5e_1f05_4a63_39c1124165b8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

middleware/cache/cache_test.go lines 690–763

func Test_Cache_WithETagAndNoCacheRequestDirective(t *testing.T) {
	t.Parallel()

	app := fiber.New()
	app.Use(
		etag.New(),
		New(),
	)

	app.Get("/", func(c fiber.Ctx) error {
		return c.SendString(fiber.Query(c, "id", "1"))
	})

	// Request id = 1
	req := httptest.NewRequest(fiber.MethodGet, "/", http.NoBody)
	resp, err := app.Test(req)
	require.NoError(t, err)
	require.Equal(t, cacheMiss, resp.Header.Get("X-Cache"))
	require.Equal(t, fiber.StatusOK, resp.StatusCode)
	// Response cached, entry id = 1

	// If response status 200
	etagToken := resp.Header.Get("Etag")

	// Request id = 2 with ETag but without Cache-Control: no-cache
	cachedReq := httptest.NewRequest(fiber.MethodGet, "/?id=2", http.NoBody)
	cachedReq.Header.Set(fiber.HeaderIfNoneMatch, etagToken)
	cachedResp, err := app.Test(cachedReq)
	require.NoError(t, err)
	require.Equal(t, cacheHit, cachedResp.Header.Get("X-Cache"))
	require.Equal(t, fiber.StatusNotModified, cachedResp.StatusCode)
	// Response not cached, returns cached response, entry id = 1, status not modified

	// Request id = 2 with ETag and Cache-Control: no-cache
	noCacheReq := httptest.NewRequest(fiber.MethodGet, "/?id=2", http.NoBody)
	noCacheReq.Header.Set(fiber.HeaderCacheControl, noCache)
	noCacheReq.Header.Set(fiber.HeaderIfNoneMatch, etagToken)
	noCacheResp, err := app.Test(noCacheReq)
	require.NoError(t, err)
	require.Equal(t, cacheMiss, noCacheResp.Header.Get("X-Cache"))
	require.Equal(t, fiber.StatusOK, noCacheResp.StatusCode)
	// Response cached, returns updated response, entry id = 2

	// If response status 200
	etagToken = noCacheResp.Header.Get("Etag")

	// Request id = 3 with ETag and Cache-Control: NO-CACHE
	noCacheReqUpper := httptest.NewRequest(fiber.MethodGet, "/?id=3", http.NoBody)
	noCacheReqUpper.Header.Set(fiber.HeaderCacheControl, "NO-CACHE")
	noCacheReqUpper.Header.Set(fiber.HeaderIfNoneMatch, etagToken)
	noCacheRespUpper, err := app.Test(noCacheReqUpper)
	require.NoError(t, err)
	require.Equal(t, cacheMiss, noCacheRespUpper.Header.Get("X-Cache"))
	require.Equal(t, fiber.StatusOK, noCacheRespUpper.StatusCode)
	// Response cached, returns updated response, entry id = 3

	// Request id = 2 with ETag and Cache-Control: no-cache again
	noCacheReq1 := httptest.NewRequest(fiber.MethodGet, "/?id=2", http.NoBody)
	noCacheReq1.Header.Set(fiber.HeaderCacheControl, noCache)
	noCacheReq1.Header.Set(fiber.HeaderIfNoneMatch, etagToken)
	noCacheResp1, err := app.Test(noCacheReq1)
	require.NoError(t, err)
	require.Equal(t, cacheMiss, noCacheResp1.Header.Get("X-Cache"))
	require.Equal(t, fiber.StatusNotModified, noCacheResp1.StatusCode)
	// Response cached, returns updated response, entry id = 2, status not modified

	// Request id = 1 without ETag and Cache-Control: no-cache
	cachedReq1 := httptest.NewRequest(fiber.MethodGet, "/", http.NoBody)
	cachedResp1, err := app.Test(cachedReq1)
	require.NoError(t, err)
	require.Equal(t, cacheHit, cachedResp1.Header.Get("X-Cache"))
	require.Equal(t, fiber.StatusOK, cachedResp1.StatusCode)
	// Response not cached, returns cached response, entry id = 2
}