TestPanicWithBrokenPipe() — gin Function Reference

Source Code

recovery_test.go lines 98–129

func TestPanicWithBrokenPipe(t *testing.T) {
	const expectCode = 204

	expectErrnos := []syscall.Errno{
		syscall.EPIPE,
		syscall.ECONNRESET,
	}

	for _, errno := range expectErrnos {
		t.Run("Recovery from "+errno.Error(), func(t *testing.T) {
			var buf strings.Builder

			router := New()
			router.Use(RecoveryWithWriter(&buf))
			router.GET("/recovery", func(c *Context) {
				// Start writing response
				c.Header("X-Test", "Value")
				c.Status(expectCode)

				// Oops. Client connection closed
				e := &net.OpError{Err: &os.SyscallError{Err: errno}}
				panic(e)
			})
			// RUN
			w := PerformRequest(router, http.MethodGet, "/recovery")
			// TEST
			assert.Equal(t, expectCode, w.Code)
			assert.Contains(t, strings.ToLower(buf.String()), errno.Error())
			assert.NotContains(t, strings.ToLower(buf.String()), "[Recovery]")
		})
	}
}