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binwiederhier-ntfy/util/limit_test.go
2022-01-02 23:56:12 +01:00

85 lines
2 KiB
Go

package util
import (
"bytes"
"testing"
)
func TestLimiter_Add(t *testing.T) {
l := NewLimiter(10)
if err := l.Add(5); err != nil {
t.Fatal(err)
}
if err := l.Add(5); err != nil {
t.Fatal(err)
}
if err := l.Add(5); err != ErrLimitReached {
t.Fatalf("expected ErrLimitReached, got %#v", err)
}
}
func TestLimiter_AddSet(t *testing.T) {
l := NewLimiter(10)
l.Add(5)
if l.Value() != 5 {
t.Fatalf("expected value to be %d, got %d", 5, l.Value())
}
l.Set(7)
if l.Value() != 7 {
t.Fatalf("expected value to be %d, got %d", 7, l.Value())
}
}
func TestLimitWriter_WriteNoLimiter(t *testing.T) {
var buf bytes.Buffer
lw := NewLimitWriter(&buf)
if _, err := lw.Write(make([]byte, 10)); err != nil {
t.Fatal(err)
}
if _, err := lw.Write(make([]byte, 1)); err != nil {
t.Fatal(err)
}
if buf.Len() != 11 {
t.Fatalf("expected buffer length to be %d, got %d", 11, buf.Len())
}
}
func TestLimitWriter_WriteOneLimiter(t *testing.T) {
var buf bytes.Buffer
l := NewLimiter(10)
lw := NewLimitWriter(&buf, l)
if _, err := lw.Write(make([]byte, 10)); err != nil {
t.Fatal(err)
}
if _, err := lw.Write(make([]byte, 1)); err != ErrLimitReached {
t.Fatalf("expected ErrLimitReached, got %#v", err)
}
if buf.Len() != 10 {
t.Fatalf("expected buffer length to be %d, got %d", 10, buf.Len())
}
if l.Value() != 10 {
t.Fatalf("expected limiter value to be %d, got %d", 10, l.Value())
}
}
func TestLimitWriter_WriteTwoLimiters(t *testing.T) {
var buf bytes.Buffer
l1 := NewLimiter(11)
l2 := NewLimiter(9)
lw := NewLimitWriter(&buf, l1, l2)
if _, err := lw.Write(make([]byte, 8)); err != nil {
t.Fatal(err)
}
if _, err := lw.Write(make([]byte, 2)); err != ErrLimitReached {
t.Fatalf("expected ErrLimitReached, got %#v", err)
}
if buf.Len() != 8 {
t.Fatalf("expected buffer length to be %d, got %d", 8, buf.Len())
}
if l1.Value() != 8 {
t.Fatalf("expected limiter 1 value to be %d, got %d", 8, l1.Value())
}
if l2.Value() != 8 {
t.Fatalf("expected limiter 2 value to be %d, got %d", 8, l2.Value())
}
}