Test_CacheVarySeparatesVariants() — fiber Function Reference

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

Function go FiberMiddleware Caching

Entity Profile

FiberMiddleware→ Caching→ Test_CacheVarySeparatesVariants() — fiber Function Reference

Dependency Diagram

graph TD
  46f171eb_ffd5_95d9_a87e_7dc2c6aacbdc["Test_CacheVarySeparatesVariants()"]
  8453a087_9678_fe96_1b20_2d125b6f8656["cache_test.go"]
  46f171eb_ffd5_95d9_a87e_7dc2c6aacbdc -->|defined in| 8453a087_9678_fe96_1b20_2d125b6f8656
  style 46f171eb_ffd5_95d9_a87e_7dc2c6aacbdc fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

middleware/cache/cache_test.go lines 2758–2810

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

	app := fiber.New()
	app.Use(New(Config{
		KeyGenerator: func(c fiber.Ctx) string {
			return c.Path() + "|vary-separated"
		},
	}))

	var count int
	app.Get("/", func(c fiber.Ctx) error {
		count++
		c.Set(fiber.HeaderVary, fiber.HeaderAcceptLanguage)
		return c.SendString(c.Get(fiber.HeaderAcceptLanguage) + strconv.Itoa(count))
	})

	reqEN := httptest.NewRequest(fiber.MethodGet, "/", http.NoBody)
	reqEN.Header.Set(fiber.HeaderAcceptLanguage, "en")
	resp, err := app.Test(reqEN)
	require.NoError(t, err)
	require.Equal(t, cacheMiss, resp.Header.Get("X-Cache"))
	body, err := io.ReadAll(resp.Body)
	require.NoError(t, err)
	require.Equal(t, "en1", string(body))

	reqFR := httptest.NewRequest(fiber.MethodGet, "/", http.NoBody)
	reqFR.Header.Set(fiber.HeaderAcceptLanguage, "fr")
	resp, err = app.Test(reqFR)
	require.NoError(t, err)
	require.Equal(t, cacheMiss, resp.Header.Get("X-Cache"))
	body, err = io.ReadAll(resp.Body)
	require.NoError(t, err)
	require.Equal(t, "fr2", string(body))

	reqENRepeat := httptest.NewRequest(fiber.MethodGet, "/", http.NoBody)
	reqENRepeat.Header.Set(fiber.HeaderAcceptLanguage, "en")
	resp, err = app.Test(reqENRepeat)
	require.NoError(t, err)
	require.Equal(t, cacheHit, resp.Header.Get("X-Cache"))
	body, err = io.ReadAll(resp.Body)
	require.NoError(t, err)
	require.Equal(t, "en1", string(body))

	reqFRRepeat := httptest.NewRequest(fiber.MethodGet, "/", http.NoBody)
	reqFRRepeat.Header.Set(fiber.HeaderAcceptLanguage, "fr")
	resp, err = app.Test(reqFRRepeat)
	require.NoError(t, err)
	require.Equal(t, cacheHit, resp.Header.Get("X-Cache"))
	body, err = io.ReadAll(resp.Body)
	require.NoError(t, err)
	require.Equal(t, "fr2", string(body))
}