84 lines
2.1 KiB
Go
84 lines
2.1 KiB
Go
package pool
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import (
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"bytes"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/trufflesecurity/trufflehog/v3/pkg/buffers/buffer"
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)
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func TestNewBufferPool(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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opts []Opts
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expectedBuffSize uint32
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}{
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{name: "Default pool size", expectedBuffSize: defaultBufferSize},
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{
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name: "Custom pool size",
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opts: []Opts{func(p *Pool) { p.bufferSize = 8 * 1024 }}, // 8KB
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expectedBuffSize: 8 * 1024,
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},
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}
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for _, tc := range tests {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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t.Parallel()
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pool := NewBufferPool(tc.opts...)
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assert.Equal(t, tc.expectedBuffSize, pool.bufferSize)
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})
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}
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}
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func TestBufferPoolGetPut(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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preparePool func(p *Pool) *buffer.Buffer // Prepare the pool and return an initial buffer to put if needed
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expectedCapBefore int // Expected capacity before putting it back
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expectedCapAfter int // Expected capacity after retrieving it again
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}{
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{
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name: "Get new buffer and put back without modification",
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preparePool: func(_ *Pool) *buffer.Buffer {
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return nil // No initial buffer to put
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},
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expectedCapBefore: int(defaultBufferSize),
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expectedCapAfter: int(defaultBufferSize),
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},
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{
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name: "Put oversized buffer, expect shrink",
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preparePool: func(p *Pool) *buffer.Buffer {
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buf := &buffer.Buffer{Buffer: bytes.NewBuffer(make([]byte, 0, 3*defaultBufferSize))}
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return buf
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},
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expectedCapBefore: int(defaultBufferSize),
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expectedCapAfter: int(defaultBufferSize), // Should shrink back to default
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},
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}
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for _, tc := range tests {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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t.Parallel()
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pool := NewBufferPool()
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initialBuf := tc.preparePool(pool)
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if initialBuf != nil {
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pool.Put(initialBuf)
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}
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buf := pool.Get()
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assert.Equal(t, tc.expectedCapBefore, buf.Cap())
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pool.Put(buf)
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bufAfter := pool.Get()
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assert.Equal(t, tc.expectedCapAfter, bufAfter.Cap())
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})
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}
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}
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