luet/pkg/tree/recipes_test.go
Ettore Di Giacinto a5ceafca26
Add Tree parser with bolt
Also add Tree builder (Recipe) which can recompose trees.
2019-10-31 12:38:59 +01:00

126 lines
3.7 KiB
Go

// Recipe is a builder imeplementation.
// It reads a Tree and spit it in human readable form (YAML), called recipe,
// It also loads a tree (recipe) from a YAML (to a db, e.g. BoltDB), allowing to query it
// with the solver, using the package object.
package tree_test
import (
"io/ioutil"
"os"
pkg "github.com/mudler/luet/pkg/package"
"github.com/mudler/luet/pkg/solver"
gentoo "github.com/mudler/luet/pkg/tree/builder/gentoo"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/mudler/luet/pkg/tree"
)
type FakeParser struct {
}
var _ = Describe("Recipe", func() {
Context("Tree generation and storing", func() {
It("parses and writes a tree", func() {
tmpdir, err := ioutil.TempDir("", "tree")
Expect(err).ToNot(HaveOccurred())
defer os.RemoveAll(tmpdir) // clean up
gb := gentoo.NewGentooBuilder(&gentoo.SimpleEbuildParser{})
tree, err := gb.Generate("../../tests/fixtures/overlay")
Expect(err).ToNot(HaveOccurred())
defer func() {
Expect(tree.GetPackageSet().Clean()).ToNot(HaveOccurred())
}()
Expect(len(tree.GetPackageSet().GetPackages())).To(Equal(10))
generalRecipe := NewGeneralRecipe()
generalRecipe.WithTree(tree)
err = generalRecipe.Save(tmpdir)
Expect(err).ToNot(HaveOccurred())
})
})
Context("Reloading trees", func() {
It("writes and reads back the same tree", func() {
tmpdir, err := ioutil.TempDir("", "tree")
Expect(err).ToNot(HaveOccurred())
defer os.RemoveAll(tmpdir) // clean up
gb := gentoo.NewGentooBuilder(&gentoo.SimpleEbuildParser{})
tree, err := gb.Generate("../../tests/fixtures/overlay")
Expect(err).ToNot(HaveOccurred())
defer func() {
Expect(tree.GetPackageSet().Clean()).ToNot(HaveOccurred())
}()
Expect(len(tree.GetPackageSet().GetPackages())).To(Equal(10))
generalRecipe := NewGeneralRecipe()
generalRecipe.WithTree(tree)
err = generalRecipe.Save(tmpdir)
Expect(err).ToNot(HaveOccurred())
generalRecipe.WithTree(nil)
Expect(generalRecipe.Tree()).To(BeNil())
err = generalRecipe.Load(tmpdir)
Expect(err).ToNot(HaveOccurred())
Expect(generalRecipe.Tree()).ToNot(BeNil()) // It should be populated back at this point
Expect(len(generalRecipe.Tree().GetPackageSet().GetPackages())).To(Equal(10))
for _, pid := range tree.GetPackageSet().GetPackages() {
p, err := tree.GetPackageSet().GetPackage(pid)
Expect(err).ToNot(HaveOccurred())
Expect(p.GetName()).To(ContainSubstring("pinentry"))
Expect(p.GetVersion()).To(ContainSubstring("1."))
}
})
})
Context("Simple solving with the fixture tree", func() {
It("writes and reads back the same tree", func() {
tmpdir, err := ioutil.TempDir("", "tree")
Expect(err).ToNot(HaveOccurred())
defer os.RemoveAll(tmpdir) // clean up
gb := gentoo.NewGentooBuilder(&gentoo.SimpleEbuildParser{})
tree, err := gb.Generate("../../tests/fixtures/overlay")
Expect(err).ToNot(HaveOccurred())
defer func() {
Expect(tree.GetPackageSet().Clean()).ToNot(HaveOccurred())
}()
Expect(len(tree.GetPackageSet().GetPackages())).To(Equal(10))
pack, err := tree.FindPackage(&pkg.DefaultPackage{Name: "pinentry", Version: "1.0.0-r2"})
Expect(err).ToNot(HaveOccurred())
world, err := tree.World()
Expect(err).ToNot(HaveOccurred())
s := solver.NewSolver([]pkg.Package{}, world)
solution, err := s.Install([]pkg.Package{pack})
Expect(err).ToNot(HaveOccurred())
Expect(len(solution)).To(Equal(3))
// for _, assertion := range solution {
// fmt.Println(assertion.Package, assertion.Value)
// for _, req := range assertion.Package.GetRequires() {
// fmt.Println("\t-> ", req)
// }
// for _, con := range assertion.Package.GetConflicts() {
// fmt.Println("\t!! ", con)
// }
// }
})
})
})