mirror of
https://github.com/mudler/luet.git
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99 lines
2.5 KiB
Go
99 lines
2.5 KiB
Go
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// Copyright © 2021 Ettore Di Giacinto <mudler@gentoo.org>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, see <http://www.gnu.org/licenses/>.
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package image_test
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import (
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"path/filepath"
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. "github.com/mudler/luet/pkg/api/core/image"
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"github.com/mudler/luet/pkg/api/core/types"
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"github.com/mudler/luet/pkg/helpers/file"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("Cache", func() {
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ctx := types.NewContext()
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Context("used as k/v store", func() {
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cache := &Cache{}
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var dir string
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BeforeEach(func() {
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ctx = types.NewContext()
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var err error
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dir, err = ctx.Config.System.TempDir("foo")
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Expect(err).ToNot(HaveOccurred())
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cache = NewCache(dir, 10*1024*1024, 1) // 10MB Cache when upgrading to files. Max volatile memory of 1 row.
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})
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AfterEach(func() {
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cache.Clean()
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})
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It("does handle automatically memory upgrade", func() {
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cache.Set("foo", "bar")
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v, found := cache.Get("foo")
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Expect(found).To(BeTrue())
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Expect(v).To(Equal("bar"))
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Expect(file.Exists(filepath.Join(dir, "foo"))).To(BeFalse())
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cache.Set("baz", "bar")
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Expect(file.Exists(filepath.Join(dir, "foo"))).To(BeTrue())
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Expect(file.Exists(filepath.Join(dir, "baz"))).To(BeTrue())
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v, found = cache.Get("foo")
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Expect(found).To(BeTrue())
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Expect(v).To(Equal("bar"))
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Expect(cache.Count()).To(Equal(2))
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})
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It("does CRUD", func() {
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cache.Set("foo", "bar")
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v, found := cache.Get("foo")
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Expect(found).To(BeTrue())
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Expect(v).To(Equal("bar"))
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hit := false
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cache.All(func(c CacheResult) {
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hit = true
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Expect(c.Key()).To(Equal("foo"))
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Expect(c.Value()).To(Equal("bar"))
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})
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Expect(hit).To(BeTrue())
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})
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It("Unmarshals values", func() {
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type testStruct struct {
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Test string
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}
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cache.SetValue("foo", &testStruct{Test: "baz"})
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n := &testStruct{}
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cache.All(func(cr CacheResult) {
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err := cr.Unmarshal(n)
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Expect(err).ToNot(HaveOccurred())
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})
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Expect(n.Test).To(Equal("baz"))
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})
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})
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})
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