mirror of
https://github.com/mudler/luet.git
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4d9297e3da
'COPY *' has a different behavior than 'COPY .' - when regexes are involved, COPY behave differently, by unpacking directory content to the root. Enhance unit test to cover the scenario as well
269 lines
9.6 KiB
Go
269 lines
9.6 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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package compiler_test
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"github.com/mudler/luet/pkg/compiler"
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. "github.com/mudler/luet/pkg/compiler/backend"
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"github.com/mudler/luet/pkg/solver"
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. "github.com/mudler/luet/pkg/compiler"
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helpers "github.com/mudler/luet/pkg/helpers"
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pkg "github.com/mudler/luet/pkg/package"
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"github.com/mudler/luet/pkg/tree"
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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("Artifact", func() {
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Context("Simple package build definition", func() {
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It("Generates a verified delta", func() {
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generalRecipe := tree.NewGeneralRecipe(pkg.NewInMemoryDatabase(false))
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err := generalRecipe.Load("../../tests/fixtures/buildtree")
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Expect(err).ToNot(HaveOccurred())
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Expect(len(generalRecipe.GetDatabase().GetPackages())).To(Equal(1))
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compiler := NewLuetCompiler(nil, generalRecipe.GetDatabase(), NewDefaultCompilerOptions(), solver.Options{Type: solver.SingleCoreSimple})
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spec, err := compiler.FromPackage(&pkg.DefaultPackage{Name: "enman", Category: "app-admin", Version: "1.4.0"})
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Expect(err).ToNot(HaveOccurred())
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lspec, ok := spec.(*LuetCompilationSpec)
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Expect(ok).To(BeTrue())
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Expect(lspec.Steps).To(Equal([]string{"echo foo > /test", "echo bar > /test2"}))
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Expect(lspec.Image).To(Equal("luet/base"))
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Expect(lspec.Seed).To(Equal("alpine"))
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tmpdir, err := ioutil.TempDir(os.TempDir(), "tree")
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Expect(err).ToNot(HaveOccurred())
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defer os.RemoveAll(tmpdir) // clean up
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tmpdir2, err := ioutil.TempDir(os.TempDir(), "tree2")
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Expect(err).ToNot(HaveOccurred())
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defer os.RemoveAll(tmpdir2) // clean up
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unpacked, err := ioutil.TempDir(os.TempDir(), "unpacked")
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Expect(err).ToNot(HaveOccurred())
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defer os.RemoveAll(unpacked) // clean up
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rootfs, err := ioutil.TempDir(os.TempDir(), "rootfs")
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Expect(err).ToNot(HaveOccurred())
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defer os.RemoveAll(rootfs) // clean up
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err = lspec.WriteBuildImageDefinition(filepath.Join(tmpdir, "Dockerfile"))
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Expect(err).ToNot(HaveOccurred())
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dockerfile, err := helpers.Read(filepath.Join(tmpdir, "Dockerfile"))
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Expect(err).ToNot(HaveOccurred())
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Expect(dockerfile).To(Equal(`
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FROM alpine
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COPY . /luetbuild
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WORKDIR /luetbuild
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ENV PACKAGE_NAME=enman
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ENV PACKAGE_VERSION=1.4.0
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ENV PACKAGE_CATEGORY=app-admin`))
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b := NewSimpleDockerBackend()
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opts := CompilerBackendOptions{
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ImageName: "luet/base",
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SourcePath: tmpdir,
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DockerFileName: "Dockerfile",
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Destination: filepath.Join(tmpdir2, "output1.tar"),
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}
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Expect(b.BuildImage(opts)).ToNot(HaveOccurred())
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Expect(b.ExportImage(opts)).ToNot(HaveOccurred())
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Expect(helpers.Exists(filepath.Join(tmpdir2, "output1.tar"))).To(BeTrue())
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Expect(b.BuildImage(opts)).ToNot(HaveOccurred())
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err = lspec.WriteStepImageDefinition(lspec.Image, filepath.Join(tmpdir, "LuetDockerfile"))
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Expect(err).ToNot(HaveOccurred())
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dockerfile, err = helpers.Read(filepath.Join(tmpdir, "LuetDockerfile"))
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Expect(err).ToNot(HaveOccurred())
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Expect(dockerfile).To(Equal(`
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FROM luet/base
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COPY . /luetbuild
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WORKDIR /luetbuild
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ENV PACKAGE_NAME=enman
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ENV PACKAGE_VERSION=1.4.0
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ENV PACKAGE_CATEGORY=app-admin
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RUN echo foo > /test
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RUN echo bar > /test2`))
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opts2 := CompilerBackendOptions{
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ImageName: "test",
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SourcePath: tmpdir,
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DockerFileName: "LuetDockerfile",
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Destination: filepath.Join(tmpdir, "output2.tar"),
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}
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Expect(b.BuildImage(opts2)).ToNot(HaveOccurred())
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Expect(b.ExportImage(opts2)).ToNot(HaveOccurred())
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Expect(helpers.Exists(filepath.Join(tmpdir, "output2.tar"))).To(BeTrue())
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diffs, err := b.Changes(opts, opts2)
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Expect(err).ToNot(HaveOccurred())
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artifacts := []ArtifactNode{{
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Name: "/luetbuild/LuetDockerfile",
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Size: 175,
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}}
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if os.Getenv("DOCKER_BUILDKIT") == "1" {
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artifacts = append(artifacts, ArtifactNode{Name: "/etc/resolv.conf", Size: 0})
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}
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artifacts = append(artifacts, ArtifactNode{Name: "/test", Size: 4})
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artifacts = append(artifacts, ArtifactNode{Name: "/test2", Size: 4})
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Expect(diffs).To(Equal(
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[]ArtifactLayer{{
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FromImage: "luet/base",
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ToImage: "test",
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Diffs: ArtifactDiffs{
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Additions: artifacts,
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},
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}}))
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err = b.ExtractRootfs(CompilerBackendOptions{ImageName: "test", Destination: rootfs}, false)
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Expect(err).ToNot(HaveOccurred())
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artifact, err := ExtractArtifactFromDelta(rootfs, filepath.Join(tmpdir, "package.tar"), diffs, 2, false, []string{}, []string{}, None)
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Expect(err).ToNot(HaveOccurred())
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Expect(helpers.Exists(filepath.Join(tmpdir, "package.tar"))).To(BeTrue())
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err = helpers.Untar(artifact.GetPath(), unpacked, false)
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Expect(err).ToNot(HaveOccurred())
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Expect(helpers.Exists(filepath.Join(unpacked, "test"))).To(BeTrue())
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Expect(helpers.Exists(filepath.Join(unpacked, "test2"))).To(BeTrue())
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content1, err := helpers.Read(filepath.Join(unpacked, "test"))
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Expect(err).ToNot(HaveOccurred())
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Expect(content1).To(Equal("foo\n"))
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content2, err := helpers.Read(filepath.Join(unpacked, "test2"))
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Expect(err).ToNot(HaveOccurred())
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Expect(content2).To(Equal("bar\n"))
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err = artifact.Hash()
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Expect(err).ToNot(HaveOccurred())
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err = artifact.Verify()
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Expect(err).ToNot(HaveOccurred())
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Expect(helpers.CopyFile(filepath.Join(tmpdir, "output2.tar"), filepath.Join(tmpdir, "package.tar"))).ToNot(HaveOccurred())
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err = artifact.Verify()
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Expect(err).To(HaveOccurred())
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})
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It("Generates packages images", func() {
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b := NewSimpleDockerBackend()
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imageprefix := "foo/"
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testString := []byte(`funky test data`)
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tmpdir, err := ioutil.TempDir(os.TempDir(), "artifact")
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Expect(err).ToNot(HaveOccurred())
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defer os.RemoveAll(tmpdir) // clean up
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tmpWork, err := ioutil.TempDir(os.TempDir(), "artifact2")
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Expect(err).ToNot(HaveOccurred())
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defer os.RemoveAll(tmpWork) // clean up
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Expect(os.MkdirAll(filepath.Join(tmpdir, "foo", "bar"), os.ModePerm)).ToNot(HaveOccurred())
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err = ioutil.WriteFile(filepath.Join(tmpdir, "test"), testString, 0644)
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Expect(err).ToNot(HaveOccurred())
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err = ioutil.WriteFile(filepath.Join(tmpdir, "foo", "bar", "test"), testString, 0644)
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Expect(err).ToNot(HaveOccurred())
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artifact := NewPackageArtifact(filepath.Join(tmpWork, "fake.tar"))
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artifact.SetCompileSpec(&LuetCompilationSpec{Package: &pkg.DefaultPackage{Name: "foo", Version: "1.0"}})
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err = artifact.Compress(tmpdir, 1)
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Expect(err).ToNot(HaveOccurred())
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resultingImage := imageprefix + "foo--1.0"
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opts, err := artifact.GenerateFinalImage(resultingImage, b, false)
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Expect(err).ToNot(HaveOccurred())
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Expect(opts.ImageName).To(Equal(resultingImage))
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Expect(b.ImageExists(resultingImage)).To(BeTrue())
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result, err := ioutil.TempDir(os.TempDir(), "result")
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Expect(err).ToNot(HaveOccurred())
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defer os.RemoveAll(result) // clean up
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err = b.ExtractRootfs(CompilerBackendOptions{ImageName: resultingImage, Destination: result}, false)
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Expect(err).ToNot(HaveOccurred())
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content, err := ioutil.ReadFile(filepath.Join(result, "test"))
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Expect(err).ToNot(HaveOccurred())
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Expect(content).To(Equal(testString))
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content, err = ioutil.ReadFile(filepath.Join(result, "foo", "bar", "test"))
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Expect(err).ToNot(HaveOccurred())
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Expect(content).To(Equal(testString))
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})
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It("Generates empty packages images", func() {
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b := NewSimpleDockerBackend()
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imageprefix := "foo/"
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tmpdir, err := ioutil.TempDir(os.TempDir(), "artifact")
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Expect(err).ToNot(HaveOccurred())
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defer os.RemoveAll(tmpdir) // clean up
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tmpWork, err := ioutil.TempDir(os.TempDir(), "artifact2")
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Expect(err).ToNot(HaveOccurred())
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defer os.RemoveAll(tmpWork) // clean up
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artifact := NewPackageArtifact(filepath.Join(tmpWork, "fake.tar"))
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artifact.SetCompileSpec(&LuetCompilationSpec{Package: &pkg.DefaultPackage{Name: "foo", Version: "1.0"}})
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err = artifact.Compress(tmpdir, 1)
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Expect(err).ToNot(HaveOccurred())
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resultingImage := imageprefix + "foo--1.0"
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opts, err := artifact.GenerateFinalImage(resultingImage, b, false)
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Expect(err).ToNot(HaveOccurred())
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Expect(opts.ImageName).To(Equal(resultingImage))
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Expect(b.ImageExists(resultingImage)).To(BeTrue())
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result, err := ioutil.TempDir(os.TempDir(), "result")
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Expect(err).ToNot(HaveOccurred())
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defer os.RemoveAll(result) // clean up
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err = b.ExtractRootfs(CompilerBackendOptions{ImageName: resultingImage, Destination: result}, false)
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Expect(err).ToNot(HaveOccurred())
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Expect(helpers.DirectoryIsEmpty(result)).To(BeFalse())
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content, err := ioutil.ReadFile(filepath.Join(result, ".virtual"))
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Expect(err).ToNot(HaveOccurred())
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Expect(string(content)).To(Equal(""))
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})
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It("Retrieves uncompressed name", func() {
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a := NewPackageArtifact("foo.tar.gz")
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a.SetCompressionType(compiler.GZip)
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Expect(a.GetUncompressedName()).To(Equal("foo.tar"))
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a = NewPackageArtifact("foo.tar.zst")
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a.SetCompressionType(compiler.Zstandard)
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Expect(a.GetUncompressedName()).To(Equal("foo.tar"))
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a = NewPackageArtifact("foo.tar")
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a.SetCompressionType(compiler.None)
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Expect(a.GetUncompressedName()).To(Equal("foo.tar"))
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})
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})
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})
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