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100 lines
3.5 KiB
Go
100 lines
3.5 KiB
Go
// Copyright © 2019 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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// Recipe is a builder imeplementation.
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// It reads a Tree and spit it in human readable form (YAML), called recipe,
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// It also loads a tree (recipe) from a YAML (to a db, e.g. BoltDB), allowing to query it
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// with the solver, using the package object.
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package tree_test
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import (
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"io/ioutil"
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"os"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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pkg "github.com/mudler/luet/pkg/package"
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"github.com/mudler/luet/pkg/solver"
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. "github.com/mudler/luet/pkg/tree"
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)
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var _ = Describe("Tree", func() {
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Context("Simple solving with the fixture tree", func() {
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It("writes and reads back the same tree", func() {
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for index := 0; index < 300; index++ { // Just to make sure we don't have false positives
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db := pkg.NewInMemoryDatabase(false)
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generalRecipe := NewCompilerRecipe(db)
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tmpdir, err := ioutil.TempDir("", "package")
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Expect(err).ToNot(HaveOccurred())
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defer os.RemoveAll(tmpdir) // clean up
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err = generalRecipe.Load("../../tests/fixtures/buildableseed")
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Expect(err).ToNot(HaveOccurred())
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Expect(len(generalRecipe.GetDatabase().World())).To(Equal(4))
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D, err := generalRecipe.GetDatabase().FindPackage(&pkg.DefaultPackage{Name: "d", Category: "test", Version: "1.0"})
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Expect(err).ToNot(HaveOccurred())
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Expect(D.GetRequires()[0].GetName()).To(Equal("c"))
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CfromD, err := generalRecipe.GetDatabase().FindPackage(D.GetRequires()[0])
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Expect(err).ToNot(HaveOccurred())
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Expect(len(CfromD.GetRequires()) != 0).To(BeTrue())
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Expect(CfromD.GetRequires()[0].GetName()).To(Equal("b"))
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s := solver.NewSolver(pkg.NewInMemoryDatabase(false), generalRecipe.GetDatabase(), db)
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pack, err := generalRecipe.GetDatabase().FindPackage(&pkg.DefaultPackage{Name: "d", Category: "test", Version: "1.0"})
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Expect(err).ToNot(HaveOccurred())
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solution, err := s.Install([]pkg.Package{pack})
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Expect(err).ToNot(HaveOccurred())
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solution = solution.Order(pack.GetFingerPrint())
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Expect(solution[0].Package.GetName()).To(Equal("a"))
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Expect(solution[0].Value).To(BeFalse())
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Expect(solution[1].Package.GetName()).To(Equal("b"))
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Expect(solution[1].Value).To(BeTrue())
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Expect(solution[2].Package.GetName()).To(Equal("c"))
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Expect(solution[2].Value).To(BeTrue())
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Expect(solution[3].Package.GetName()).To(Equal("d"))
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Expect(solution[3].Value).To(BeTrue())
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Expect(len(solution)).To(Equal(4))
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newsolution := solution.Drop(&pkg.DefaultPackage{Name: "d", Category: "test", Version: "1.0"})
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Expect(len(newsolution)).To(Equal(3))
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Expect(newsolution[0].Package.GetName()).To(Equal("a"))
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Expect(newsolution[0].Value).To(BeFalse())
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Expect(newsolution[1].Package.GetName()).To(Equal("b"))
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Expect(newsolution[1].Value).To(BeTrue())
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Expect(newsolution[2].Package.GetName()).To(Equal("c"))
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Expect(newsolution[2].Value).To(BeTrue())
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}
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})
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})
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})
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