mirror of
https://github.com/hanzoai/tasks.git
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David ReissandGitHub
c155049eac
## What changed? Just move some code around. ## Why? Separate concerns.
84 lines
3.5 KiB
Go
84 lines
3.5 KiB
Go
// The MIT License
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//
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// Copyright (c) 2024 Temporal Technologies Inc. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package matching
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import (
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"go.temporal.io/server/common/clock"
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)
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// addTasks is a helper which adds numberOfTasks to a taskTracker
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func trackTasksHelper(tr *taskTracker, numberOfTasks int) {
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for i := 0; i < numberOfTasks; i++ {
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// adding a bunch of tasks
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tr.incrementTaskCount()
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}
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}
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func TestAddTasksRate(t *testing.T) {
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// define a fake clock and it's time for testing
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timeSource := clock.NewEventTimeSource()
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currentTime := time.Now()
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timeSource.Update(currentTime)
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tr := newTaskTracker(timeSource)
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// mini windows will have the following format : (start time, end time)
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// (0 - 4), (5 - 9), (10 - 14), (15 - 19), (20 - 24), (25 - 29), (30 - 34), ...
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// rate should be zero when no time is passed
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require.Equal(t, float32(0), tr.rate()) // time: 0
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trackTasksHelper(tr, 100)
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require.Equal(t, float32(0), tr.rate()) // still zero because no time is passed
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// tasks should be placed in the first mini-window
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timeSource.Advance(1 * time.Second) // time: 1 second
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require.InEpsilon(t, float32(100), tr.rate(), 0.001) // 100 tasks added in 1 second = 100 / 1 = 100
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// tasks should be placed in the second mini-window with 6 total seconds elapsed
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timeSource.Advance(5 * time.Second)
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trackTasksHelper(tr, 200) // time: 6 second
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require.InEpsilon(t, float32(50), tr.rate(), 0.001) // (100 + 200) tasks added in 6 seconds = 300/6 = 50
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timeSource.Advance(24 * time.Second) // time: 30 second
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trackTasksHelper(tr, 300)
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require.InEpsilon(t, float32(20), tr.rate(), 0.001) // (100 + 200 + 300) tasks added in (30 + 0 (current window)) seconds = 600/30 = 20
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// this should clear out the first mini-window of 100 tasks
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timeSource.Advance(5 * time.Second) // time: 35 second
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trackTasksHelper(tr, 10)
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require.InEpsilon(t, float32(17), tr.rate(), 0.001) // (10 + 200 + 300) tasks added in (30 + 0 (current window)) seconds = 510/30 = 17
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// this should clear out the second and third mini-windows
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timeSource.Advance(15 * time.Second) // time: 50 second
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trackTasksHelper(tr, 10)
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require.InEpsilon(t, float32(10.666667), tr.rate(), 0.001) // (10 + 10 + 300) tasks added in (30 + 0 (current window)) seconds = 320/30 = 10.66
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// a minute passes and no tasks are added
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timeSource.Advance(60 * time.Second)
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require.Equal(t, float32(0), tr.rate()) // 0 tasks have been added in the last 30 seconds
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}
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