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https://github.com/go-gitea/gitea
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a323a82ec4
Replace #32001. To prevent the context cache from being misused for long-term work (which would result in using invalid cache without awareness), the context cache is designed to exist for a maximum of 10 seconds. This leads to many false reports, especially in the case of slow SQL. This PR increases it to 5 minutes to reduce false reports. 5 minutes is not a very safe value, as a lot of changes may have occurred within that time frame. However, as far as I know, there has not been a case of misuse of context cache discovered so far, so I think 5 minutes should be OK. Please note that after this PR, if warning logs are found again, it should get attention, at that time it can be almost 100% certain that it is a misuse.
78 lines
1.9 KiB
Go
78 lines
1.9 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package cache
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import (
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"context"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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func TestWithCacheContext(t *testing.T) {
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ctx := WithCacheContext(context.Background())
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v := GetContextData(ctx, "empty_field", "my_config1")
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assert.Nil(t, v)
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const field = "system_setting"
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v = GetContextData(ctx, field, "my_config1")
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assert.Nil(t, v)
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SetContextData(ctx, field, "my_config1", 1)
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v = GetContextData(ctx, field, "my_config1")
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assert.NotNil(t, v)
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assert.EqualValues(t, 1, v.(int))
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RemoveContextData(ctx, field, "my_config1")
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RemoveContextData(ctx, field, "my_config2") // remove a non-exist key
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v = GetContextData(ctx, field, "my_config1")
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assert.Nil(t, v)
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vInt, err := GetWithContextCache(ctx, field, "my_config1", func() (int, error) {
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return 1, nil
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})
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assert.NoError(t, err)
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assert.EqualValues(t, 1, vInt)
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v = GetContextData(ctx, field, "my_config1")
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assert.EqualValues(t, 1, v)
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now := timeNow
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defer func() {
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timeNow = now
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}()
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timeNow = func() time.Time {
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return now().Add(5 * time.Minute)
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}
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v = GetContextData(ctx, field, "my_config1")
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assert.Nil(t, v)
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}
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func TestWithNoCacheContext(t *testing.T) {
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ctx := context.Background()
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const field = "system_setting"
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v := GetContextData(ctx, field, "my_config1")
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assert.Nil(t, v)
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SetContextData(ctx, field, "my_config1", 1)
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v = GetContextData(ctx, field, "my_config1")
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assert.Nil(t, v) // still no cache
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ctx = WithCacheContext(ctx)
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v = GetContextData(ctx, field, "my_config1")
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assert.Nil(t, v)
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SetContextData(ctx, field, "my_config1", 1)
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v = GetContextData(ctx, field, "my_config1")
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assert.NotNil(t, v)
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ctx = WithNoCacheContext(ctx)
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v = GetContextData(ctx, field, "my_config1")
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assert.Nil(t, v)
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SetContextData(ctx, field, "my_config1", 1)
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v = GetContextData(ctx, field, "my_config1")
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assert.Nil(t, v) // still no cache
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}
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