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build_test.go
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build_test.go
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package miniconda_test
import (
"bytes"
"errors"
"os"
"path/filepath"
"testing"
"github.com/paketo-buildpacks/miniconda"
"github.com/paketo-buildpacks/miniconda/fakes"
"github.com/paketo-buildpacks/packit/v2"
"github.com/paketo-buildpacks/packit/v2/chronos"
//nolint Ignore SA1019, informed usage of deprecated package
"github.com/paketo-buildpacks/packit/v2/paketosbom"
"github.com/paketo-buildpacks/packit/v2/postal"
"github.com/paketo-buildpacks/packit/v2/sbom"
"github.com/paketo-buildpacks/packit/v2/scribe"
"github.com/sclevine/spec"
. "github.com/onsi/gomega"
)
func testBuild(t *testing.T, context spec.G, it spec.S) {
var (
Expect = NewWithT(t).Expect
layersDir string
cnbDir string
buffer *bytes.Buffer
dependencyManager *fakes.DependencyManager
runner *fakes.Runner
sbomGenerator *fakes.SBOMGenerator
build packit.BuildFunc
buildContext packit.BuildContext
)
it.Before(func() {
var err error
layersDir, err = os.MkdirTemp("", "layers")
Expect(err).NotTo(HaveOccurred())
cnbDir, err = os.MkdirTemp("", "cnb")
Expect(err).NotTo(HaveOccurred())
dependencyManager = &fakes.DependencyManager{}
dependencyManager.ResolveCall.Returns.Dependency = postal.Dependency{
ID: "miniconda3",
Name: "miniconda3-dependency-name",
Checksum: "miniconda3-dependency-sha",
Stacks: []string{"some-stack"},
URI: "miniconda3-dependency-uri",
Version: "miniconda3-dependency-version",
}
// Legacy SBOM
dependencyManager.GenerateBillOfMaterialsCall.Returns.BOMEntrySlice = []packit.BOMEntry{
{
Name: "miniconda3",
Metadata: paketosbom.BOMMetadata{
Checksum: paketosbom.BOMChecksum{
Algorithm: paketosbom.SHA256,
Hash: "miniconda3-dependency-sha",
},
URI: "miniconda3-dependency-uri",
Version: "miniconda3-dependency-version",
},
},
}
runner = &fakes.Runner{}
// Syft SBOM
sbomGenerator = &fakes.SBOMGenerator{}
sbomGenerator.GenerateFromDependencyCall.Returns.SBOM = sbom.SBOM{}
buffer = bytes.NewBuffer(nil)
logEmitter := scribe.NewEmitter(buffer)
build = miniconda.Build(
dependencyManager,
runner,
sbomGenerator,
logEmitter,
chronos.DefaultClock,
)
buildContext = packit.BuildContext{
BuildpackInfo: packit.BuildpackInfo{
Name: "Some Buildpack",
Version: "some-version",
SBOMFormats: []string{sbom.CycloneDXFormat, sbom.SPDXFormat},
},
CNBPath: cnbDir,
Plan: packit.BuildpackPlan{
Entries: []packit.BuildpackPlanEntry{
{Name: "conda"},
},
},
Platform: packit.Platform{Path: "some-platform-path"},
Layers: packit.Layers{Path: layersDir},
Stack: "some-stack",
}
})
it.After(func() {
Expect(os.RemoveAll(layersDir)).To(Succeed())
Expect(os.RemoveAll(cnbDir)).To(Succeed())
})
it("returns a result that installs conda", func() {
result, err := build(buildContext)
Expect(err).NotTo(HaveOccurred())
Expect(result.Layers).To(HaveLen(1))
layer := result.Layers[0]
Expect(layer.Name).To(Equal("conda"))
Expect(layer.Path).To(Equal(filepath.Join(layersDir, "conda")))
Expect(layer.SharedEnv).To(BeEmpty())
Expect(layer.BuildEnv).To(BeEmpty())
Expect(layer.LaunchEnv).To(BeEmpty())
Expect(layer.ProcessLaunchEnv).To(BeEmpty())
Expect(layer.Build).To(BeFalse())
Expect(layer.Launch).To(BeFalse())
Expect(layer.Cache).To(BeFalse())
Expect(layer.Metadata).To(HaveLen(1))
Expect(layer.Metadata["dependency-sha"]).To(Equal("miniconda3-dependency-sha"))
Expect(layer.SBOM.Formats()).To(HaveLen(2))
var actualExtensions []string
for _, format := range layer.SBOM.Formats() {
actualExtensions = append(actualExtensions, format.Extension)
}
Expect(actualExtensions).To(ConsistOf("cdx.json", "spdx.json"))
Expect(dependencyManager.ResolveCall.Receives.Path).To(Equal(filepath.Join(cnbDir, "buildpack.toml")))
Expect(dependencyManager.ResolveCall.Receives.Id).To(Equal("miniconda3"))
Expect(dependencyManager.ResolveCall.Receives.Version).To(Equal("*"))
Expect(dependencyManager.ResolveCall.Receives.Stack).To(Equal("some-stack"))
Expect(dependencyManager.GenerateBillOfMaterialsCall.Receives.Dependencies).To(Equal([]postal.Dependency{
{
ID: "miniconda3",
Name: "miniconda3-dependency-name",
Checksum: "miniconda3-dependency-sha",
Stacks: []string{"some-stack"},
URI: "miniconda3-dependency-uri",
Version: "miniconda3-dependency-version",
},
}))
Expect(dependencyManager.DeliverCall.Receives.Dependency).To(Equal(
postal.Dependency{
ID: "miniconda3",
Name: "miniconda3-dependency-name",
Checksum: "miniconda3-dependency-sha",
Stacks: []string{"some-stack"},
URI: "miniconda3-dependency-uri",
Version: "miniconda3-dependency-version",
}))
Expect(dependencyManager.DeliverCall.Receives.CnbPath).To(Equal(cnbDir))
Expect(dependencyManager.DeliverCall.Receives.DestinationPath).To(Equal(filepath.Join(layersDir, "miniconda-script-temp-layer")))
Expect(dependencyManager.DeliverCall.Receives.PlatformPath).To(Equal("some-platform-path"))
Expect(runner.RunCall.Receives.RunPath).To(Equal(filepath.Join(layersDir, "miniconda-script-temp-layer", "miniconda3-dependency-name")))
Expect(runner.RunCall.Receives.LayerPath).To(Equal(filepath.Join(layersDir, "conda")))
Expect(sbomGenerator.GenerateFromDependencyCall.Receives.Dir).To(Equal(filepath.Join(layersDir, "conda")))
Expect(buffer.String()).To(ContainSubstring("Some Buildpack some-version"))
Expect(buffer.String()).To(ContainSubstring("Executing build process"))
Expect(buffer.String()).To(ContainSubstring("Installing Miniconda"))
})
context("when the conda layer is required at build and launch", func() {
it.Before(func() {
buildContext.Plan.Entries[0].Metadata = make(map[string]interface{})
buildContext.Plan.Entries[0].Metadata["launch"] = true
buildContext.Plan.Entries[0].Metadata["build"] = true
})
it("returns a layer with build and launch set true and the BOM is set for build and launch", func() {
result, err := build(buildContext)
Expect(err).NotTo(HaveOccurred())
Expect(result.Layers).To(HaveLen(1))
layer := result.Layers[0]
Expect(layer.Name).To(Equal("conda"))
Expect(layer.Build).To(BeTrue())
Expect(layer.Launch).To(BeTrue())
Expect(layer.Cache).To(BeTrue())
Expect(result.Build.BOM).To(Equal(
[]packit.BOMEntry{
{
Name: "miniconda3",
Metadata: paketosbom.BOMMetadata{
Checksum: paketosbom.BOMChecksum{
Algorithm: paketosbom.SHA256,
Hash: "miniconda3-dependency-sha",
},
URI: "miniconda3-dependency-uri",
Version: "miniconda3-dependency-version",
},
},
},
))
Expect(result.Launch.BOM).To(Equal(
[]packit.BOMEntry{
{
Name: "miniconda3",
Metadata: paketosbom.BOMMetadata{
Checksum: paketosbom.BOMChecksum{
Algorithm: paketosbom.SHA256,
Hash: "miniconda3-dependency-sha",
},
URI: "miniconda3-dependency-uri",
Version: "miniconda3-dependency-version",
},
},
},
))
})
})
context("failure cases", func() {
context("when the dependency manager resolution fails", func() {
it.Before(func() {
dependencyManager.ResolveCall.Returns.Error = errors.New("resolve call failed")
})
it("returns an error", func() {
_, err := build(buildContext)
Expect(err).To(MatchError("resolve call failed"))
})
})
context("when the layer dir cannot be accessed", func() {
it.Before(func() {
Expect(os.Chmod(layersDir, 0000)).To(Succeed())
})
it.After(func() {
Expect(os.Chmod(layersDir, os.ModePerm)).To(Succeed())
})
it("returns an error", func() {
_, err := build(buildContext)
Expect(err).To(MatchError(ContainSubstring("permission denied")))
})
})
context("when the layer dir cannot be reset", func() {
it.Before(func() {
Expect(os.MkdirAll(filepath.Join(layersDir, "conda", "bin"), os.ModePerm)).To(Succeed())
Expect(os.Chmod(filepath.Join(layersDir, "conda"), 0500)).To(Succeed())
})
it.After(func() {
Expect(os.Chmod(filepath.Join(layersDir, "conda"), os.ModePerm)).To(Succeed())
})
it("returns an error", func() {
_, err := build(buildContext)
Expect(err).To(MatchError(ContainSubstring("permission denied")))
})
})
context("when the dependency manager delivery fails", func() {
it.Before(func() {
dependencyManager.DeliverCall.Returns.Error = errors.New("deliver call failed")
})
it("returns an error", func() {
_, err := build(buildContext)
Expect(err).To(MatchError("deliver call failed"))
})
})
context("when the dependency manager resolution fails", func() {
it.Before(func() {
runner.RunCall.Returns.Error = errors.New("run call failed")
})
it("returns an error", func() {
_, err := build(buildContext)
Expect(err).To(MatchError("run call failed"))
})
})
context("when generating the SBOM returns an error", func() {
it.Before(func() {
buildContext.BuildpackInfo.SBOMFormats = []string{"random-format"}
})
it("returns an error", func() {
_, err := build(buildContext)
Expect(err).To(MatchError(`unsupported SBOM format: 'random-format'`))
})
})
context("when formatting the SBOM returns an error", func() {
it.Before(func() {
sbomGenerator.GenerateFromDependencyCall.Returns.Error = errors.New("failed to generate SBOM")
})
it("returns an error", func() {
_, err := build(buildContext)
Expect(err).To(MatchError(ContainSubstring("failed to generate SBOM")))
})
})
})
}