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// Copyright 2024 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package dynacache
import (
"path/filepath"
"testing"
qt "github.com/frankban/quicktest"
"github.com/gohugoio/hugo/common/loggers"
"github.com/gohugoio/hugo/identity"
"github.com/gohugoio/hugo/resources/resource"
)
var (
_ resource.StaleInfo = (*testItem)(nil)
_ identity.Identity = (*testItem)(nil)
)
type testItem struct {
name string
isStale bool
}
func (t testItem) IsStale() bool {
return t.isStale
}
func (t testItem) IdentifierBase() string {
return t.name
}
func TestCache(t *testing.T) {
t.Parallel()
c := qt.New(t)
cache := New(Options{
Log: loggers.NewDefault(),
})
c.Cleanup(func() {
cache.Stop()
})
opts := OptionsPartition{Weight: 30}
c.Assert(cache, qt.Not(qt.IsNil))
p1 := GetOrCreatePartition[string, testItem](cache, "/aaaa/bbbb", opts)
c.Assert(p1, qt.Not(qt.IsNil))
p2 := GetOrCreatePartition[string, testItem](cache, "/aaaa/bbbb", opts)
c.Assert(func() { GetOrCreatePartition[string, testItem](cache, "foo bar", opts) }, qt.PanicMatches, ".*invalid partition name.*")
c.Assert(func() { GetOrCreatePartition[string, testItem](cache, "/aaaa/cccc", OptionsPartition{Weight: 1234}) }, qt.PanicMatches, ".*invalid Weight.*")
c.Assert(p2, qt.Equals, p1)
p3 := GetOrCreatePartition[string, testItem](cache, "/aaaa/cccc", opts)
c.Assert(p3, qt.Not(qt.IsNil))
c.Assert(p3, qt.Not(qt.Equals), p1)
c.Assert(func() { New(Options{}) }, qt.PanicMatches, ".*nil Log.*")
}
func TestCalculateMaxSizePerPartition(t *testing.T) {
t.Parallel()
c := qt.New(t)
c.Assert(calculateMaxSizePerPartition(1000, 500, 5), qt.Equals, 200)
c.Assert(calculateMaxSizePerPartition(1000, 250, 5), qt.Equals, 400)
c.Assert(func() { calculateMaxSizePerPartition(1000, 250, 0) }, qt.PanicMatches, ".*must be > 0.*")
c.Assert(func() { calculateMaxSizePerPartition(1000, 0, 1) }, qt.PanicMatches, ".*must be > 0.*")
}
func TestCleanKey(t *testing.T) {
c := qt.New(t)
c.Assert(CleanKey("a/b/c"), qt.Equals, "/a/b/c")
c.Assert(CleanKey("/a/b/c"), qt.Equals, "/a/b/c")
c.Assert(CleanKey("a/b/c/"), qt.Equals, "/a/b/c")
c.Assert(CleanKey(filepath.FromSlash("/a/b/c/")), qt.Equals, "/a/b/c")
}
func newTestCache(t *testing.T) *Cache {
cache := New(
Options{
Log: loggers.NewDefault(),
},
)
p1 := GetOrCreatePartition[string, testItem](cache, "/aaaa/bbbb", OptionsPartition{Weight: 30, ClearWhen: ClearOnRebuild})
p2 := GetOrCreatePartition[string, testItem](cache, "/aaaa/cccc", OptionsPartition{Weight: 30, ClearWhen: ClearOnChange})
p1.GetOrCreate("clearOnRebuild", func(string) (testItem, error) {
return testItem{}, nil
})
p2.GetOrCreate("clearBecauseStale", func(string) (testItem, error) {
return testItem{
isStale: true,
}, nil
})
p2.GetOrCreate("clearBecauseIdentityChanged", func(string) (testItem, error) {
return testItem{
name: "changed",
}, nil
})
p2.GetOrCreate("clearNever", func(string) (testItem, error) {
return testItem{
isStale: false,
}, nil
})
t.Cleanup(func() {
cache.Stop()
})
return cache
}
func TestClear(t *testing.T) {
t.Parallel()
c := qt.New(t)
predicateAll := func(string) bool {
return true
}
cache := newTestCache(t)
c.Assert(cache.Keys(predicateAll), qt.HasLen, 4)
cache.ClearOnRebuild()
// Stale items are always cleared.
c.Assert(cache.Keys(predicateAll), qt.HasLen, 2)
cache = newTestCache(t)
cache.ClearOnRebuild(identity.StringIdentity("changed"))
c.Assert(cache.Keys(nil), qt.HasLen, 1)
cache = newTestCache(t)
cache.ClearMatching(nil, func(k, v any) bool {
return k.(string) == "clearOnRebuild"
})
c.Assert(cache.Keys(predicateAll), qt.HasLen, 3)
cache.adjustCurrentMaxSize()
}
func TestAdjustCurrentMaxSize(t *testing.T) {
t.Parallel()
c := qt.New(t)
cache := newTestCache(t)
alloc := cache.stats.memstatsCurrent.Alloc
cache.adjustCurrentMaxSize()
c.Assert(cache.stats.memstatsCurrent.Alloc, qt.Not(qt.Equals), alloc)
}
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