Test_Ctx_Is() — fiber Function Reference

Architecture documentation for the Test_Ctx_Is() function in ctx_test.go from the fiber codebase.

Function go FiberCore Routing

Entity Profile

FiberCore→ Routing→ Test_Ctx_Is() — fiber Function Reference

Dependency Diagram

graph TD
  d0fa1c50_afa8_6223_46ae_e3d1627857b0["Test_Ctx_Is()"]
  7b3d4933_5ae3_f84d_ff6d_0cb34e268026["ctx_test.go"]
  d0fa1c50_afa8_6223_46ae_e3d1627857b0 -->|defined in| 7b3d4933_5ae3_f84d_ff6d_0cb34e268026
  style d0fa1c50_afa8_6223_46ae_e3d1627857b0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

ctx_test.go lines 3147–3189

func Test_Ctx_Is(t *testing.T) {
	t.Parallel()
	app := New()
	c := app.AcquireCtx(&fasthttp.RequestCtx{})

	c.Request().Header.Set(HeaderContentType, MIMETextHTML+"; boundary=something")
	require.True(t, c.Is(".html"))
	require.True(t, c.Is("html"))
	require.False(t, c.Is("json"))
	require.False(t, c.Is(".json"))
	require.False(t, c.Is(""))
	require.False(t, c.Is(".foooo"))

	c.Request().Header.Set(HeaderContentType, MIMEApplicationJSONCharsetUTF8)
	require.False(t, c.Is("html"))
	require.True(t, c.Is("json"))
	require.True(t, c.Is(".json"))

	c.Request().Header.Set(HeaderContentType, " application/json;charset=UTF-8")
	require.False(t, c.Is("html"))
	require.True(t, c.Is("json"))
	require.True(t, c.Is(".json"))

	c.Request().Header.Set(HeaderContentType, MIMEApplicationXMLCharsetUTF8)
	require.False(t, c.Is("html"))
	require.True(t, c.Is("xml"))
	require.True(t, c.Is(".xml"))

	c.Request().Header.Set(HeaderContentType, MIMETextPlain)
	require.False(t, c.Is("html"))
	require.True(t, c.Is("txt"))
	require.True(t, c.Is(".txt"))

	// case-insensitive and trimmed
	c.Request().Header.Set(HeaderContentType, "APPLICATION/JSON; charset=utf-8")
	require.True(t, c.Is("json"))
	require.True(t, c.Is(".json"))

	// mismatched subtype should not match
	c.Request().Header.Set(HeaderContentType, "application/json+xml")
	require.False(t, c.Is("json"))
	require.False(t, c.Is(".json"))
}