mirror of
https://github.com/open-policy-agent/opa.git
synced 2026-08-12 19:32:48 -06:00
Torin Sandall
1db3023d45
Previously paths and queries were modelled with the same attribute. This was going to cause headaches down the road for decision log consumers that need to be able to deal with both kinds of policy invocations. As part of these changes, the decision logging test in the server has been refactored to make it a bit more maintainable. Signed-off-by: Torin Sandall <torinsandall@gmail.com>
90 lines
1.8 KiB
Go
90 lines
1.8 KiB
Go
// Copyright 2017 The OPA Authors. All rights reserved.
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// Use of this source code is governed by an Apache2
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// license that can be found in the LICENSE file.
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package server
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import (
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"fmt"
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"math/rand"
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"testing"
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"time"
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)
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func TestBufferAutoErase(t *testing.T) {
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buf := NewBoundedBuffer(30)
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for i := 0; i < 100; i++ {
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buf.Push(&Info{Path: fmt.Sprint(i)})
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}
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var i uint64 = 70
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buf.Iter(func(in *Info) {
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if int(i-70) > 30 {
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t.Fatal("Ran off the end of the buffer")
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}
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if in.Path != fmt.Sprint(i) {
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t.Fatalf("Expected query to be %d, got %s", i, in.Path)
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}
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i++
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})
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}
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func TestBufferRandom(t *testing.T) {
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rand.Seed(time.Now().Unix())
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for i := 0; i < 13; i++ {
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testBufferRandomSize(t, int((1 << uint(i))))
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}
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}
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var (
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threshold int = 1e3
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ops int = 1e5
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)
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func testBufferRandomSize(t *testing.T, cap int) {
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var head, cur uint64
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var size int
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var pushes, iters uint
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buf := NewBoundedBuffer(cap)
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for i := 0; i < ops; i++ {
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switch r := rand.Intn(threshold + 1); {
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case r < threshold:
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pushes++
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buf.Push(&Info{Path: fmt.Sprint(cur)})
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cur++
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if size == cap {
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head++
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} else {
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size++
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}
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default:
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// Rarely, test that the iteration is working correctly.
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// Testing often leads to N^2 runtime for the tests, which is too
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// slow, so we only iter with very low probability.
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//
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// Occurs with probability 1/(threshold+1).
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iters++
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j := head
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buf.Iter(func(i *Info) {
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if int(j-head) > size {
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t.Fatal("Ran off the end of the buffer")
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}
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if i.Path != fmt.Sprint(j) {
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t.Fatalf("Expected query to be %d, got %s", j, i.Path)
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}
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j++
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})
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}
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}
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t.Logf("\nPushes: %d (%f%%)\nIters: %d (%f%%)",
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pushes, 100*float64(pushes)/float64(ops),
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iters, 100*float64(iters)/float64(ops),
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)
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}
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