| 30 | } |
| 31 | |
| 32 | func TestNoopBufferWhenNotReleasableMessage(t *testing.T) { |
| 33 | codec := &cortexCodec{ |
| 34 | noOpBufferPool: &wrappedBufferPool{inner: mem.NopBufferPool{}}, |
| 35 | defaultBufferPool: &wrappedBufferPool{inner: mem.DefaultBufferPool()}, |
| 36 | } |
| 37 | |
| 38 | tc := map[string]struct { |
| 39 | noopBufferGets int |
| 40 | defaultBufferGets int |
| 41 | m any |
| 42 | }{ |
| 43 | "releasable": { |
| 44 | noopBufferGets: 0, |
| 45 | defaultBufferGets: 1, |
| 46 | m: &WriteRequest{ |
| 47 | Metadata: []*MetricMetadata{ |
| 48 | { |
| 49 | Unit: strings.Repeat("a", 10000), |
| 50 | }, |
| 51 | }, |
| 52 | }, |
| 53 | }, |
| 54 | "not releasable": { |
| 55 | noopBufferGets: 1, |
| 56 | defaultBufferGets: 0, |
| 57 | m: &MetricMetadata{ |
| 58 | Unit: strings.Repeat("a", 10000), |
| 59 | }, |
| 60 | }, |
| 61 | } |
| 62 | |
| 63 | for name, tc := range tc { |
| 64 | t.Run(name, func(t *testing.T) { |
| 65 | data, err := codec.Marshal(tc.m) |
| 66 | require.NoError(t, err) |
| 67 | |
| 68 | // lets split the buffer into 2 so we force get another buffer from the pool |
| 69 | r := data.Reader() |
| 70 | size := r.Remaining() |
| 71 | b1 := make([]byte, size/2) |
| 72 | b2 := make([]byte, (size/2)+1) |
| 73 | buffer1 := mem.NewBuffer(&b1, mem.NopBufferPool{}) |
| 74 | buffer2 := mem.NewBuffer(&b2, mem.NopBufferPool{}) |
| 75 | |
| 76 | _, err = r.Read(b1) |
| 77 | require.NoError(t, err) |
| 78 | _, err = r.Read(b2) |
| 79 | require.NoError(t, err) |
| 80 | |
| 81 | codec.noOpBufferPool.(*wrappedBufferPool).Reset() |
| 82 | codec.defaultBufferPool.(*wrappedBufferPool).Reset() |
| 83 | require.NoError(t, codec.Unmarshal(mem.BufferSlice{buffer1, buffer2}, tc.m)) |
| 84 | require.Equal(t, tc.noopBufferGets, codec.noOpBufferPool.(*wrappedBufferPool).getCount) |
| 85 | require.Equal(t, tc.defaultBufferGets, codec.defaultBufferPool.(*wrappedBufferPool).getCount) |
| 86 | }) |
| 87 | } |
| 88 | } |