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layer_test.go
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/*
* Copyright 2018-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package libpak_test
import (
"fmt"
"net/http"
"os"
"path/filepath"
"testing"
"time"
"github.com/buildpacks/libcnb"
. "github.com/onsi/gomega"
"github.com/onsi/gomega/ghttp"
"github.com/sclevine/spec"
"github.com/paketo-buildpacks/libpak"
"github.com/paketo-buildpacks/libpak/bard"
)
func testLayer(t *testing.T, context spec.G, it spec.S) {
var (
Expect = NewWithT(t).Expect
layersDir string
layer libcnb.Layer
)
it.Before(func() {
layersDir = t.TempDir()
layer.Path = filepath.Join(layersDir, "test-layer")
layer.Exec.Path = layer.Path
layer.Metadata = map[string]interface{}{}
layer.Profile = libcnb.Profile{}
})
it.After(func() {
Expect(os.RemoveAll(layersDir)).To(Succeed())
})
context("LayerContributor", func() {
var (
lc libpak.LayerContributor
)
it.Before(func() {
lc.ExpectedMetadata = map[string]interface{}{
"alpha": "test-alpha",
"bravo": map[string]interface{}{
"bravo-1": "test-bravo-1",
"bravo-2": "test-bravo-2",
},
}
})
it("calls function with no existing metadata", func() {
var called bool
_, err := lc.Contribute(layer, func() (libcnb.Layer, error) {
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeTrue())
})
it("calls function with non-matching metadata", func() {
layer.Metadata["alpha"] = "test-alpha"
var called bool
_, err := lc.Contribute(layer, func() (libcnb.Layer, error) {
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeTrue())
})
context("reloads layers not restored", func() {
var called bool
it.Before(func() {
layer.Metadata = map[string]interface{}{
"alpha": "test-alpha",
"bravo": map[string]interface{}{
"bravo-1": "test-bravo-1",
"bravo-2": "test-bravo-2",
},
}
})
it("calls function with matching metadata but no layer directory on cache layer", func() {
Expect(os.WriteFile(fmt.Sprintf("%s.toml", layer.Path), []byte{}, 0644)).To(Succeed())
Expect(os.RemoveAll(layer.Path)).To(Succeed())
lc.ExpectedTypes.Cache = true
_, err := lc.Contribute(layer, func() (libcnb.Layer, error) {
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeTrue())
})
it("calls function with matching metadata but no layer directory on build layer", func() {
Expect(os.WriteFile(fmt.Sprintf("%s.toml", layer.Path), []byte{}, 0644)).To(Succeed())
Expect(os.RemoveAll(layer.Path)).To(Succeed())
lc.ExpectedTypes.Build = true
_, err := lc.Contribute(layer, func() (libcnb.Layer, error) {
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeTrue())
})
it("calls function with matching metadata but an empty layer directory on build layer", func() {
Expect(os.WriteFile(fmt.Sprintf("%s.toml", layer.Path), []byte{}, 0644)).To(Succeed())
Expect(os.MkdirAll(layer.Path, 0755)).To(Succeed())
lc.ExpectedTypes.Build = true
_, err := lc.Contribute(layer, func() (libcnb.Layer, error) {
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeTrue())
})
it("does not call function with matching metadata when layer directory exists and has a file in it", func() {
Expect(os.WriteFile(fmt.Sprintf("%s.toml", layer.Path), []byte{}, 0644)).To(Succeed())
Expect(os.MkdirAll(layer.Path, 0755)).To(Succeed())
Expect(os.WriteFile(filepath.Join(layer.Path, "foo"), []byte{}, 0644)).To(Succeed())
lc.ExpectedTypes.Build = true
_, err := lc.Contribute(layer, func() (libcnb.Layer, error) {
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeFalse())
})
it("does not call function with matching metadata when layer TOML missing", func() {
Expect(os.MkdirAll(layer.Path, 0755)).To(Succeed())
layer.Build = true
_, err := lc.Contribute(layer, func() (libcnb.Layer, error) {
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeFalse())
})
})
it("does not call function with matching metadata", func() {
layer.Metadata = map[string]interface{}{
"alpha": "test-alpha",
"bravo": map[string]interface{}{
"bravo-1": "test-bravo-1",
"bravo-2": "test-bravo-2",
},
}
var called bool
_, err := lc.Contribute(layer, func() (libcnb.Layer, error) {
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeFalse())
})
it("returns function error", func() {
_, err := lc.Contribute(layer, func() (libcnb.Layer, error) {
return libcnb.Layer{}, fmt.Errorf("test-error")
})
Expect(err).To(MatchError("test-error"))
})
it("adds expected metadata to layer", func() {
layer, err := lc.Contribute(layer, func() (libcnb.Layer, error) {
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(layer.Metadata).To(Equal(map[string]interface{}{
"alpha": "test-alpha",
"bravo": map[string]interface{}{
"bravo-1": "test-bravo-1",
"bravo-2": "test-bravo-2",
},
}))
})
it("sets build layer flag", func() {
lc.ExpectedTypes.Build = true
layer, err := lc.Contribute(layer, func() (libcnb.Layer, error) {
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(layer.LayerTypes.Build).To(BeTrue())
})
it("sets cache layer flag", func() {
lc.ExpectedTypes.Cache = true
layer, err := lc.Contribute(layer, func() (libcnb.Layer, error) {
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(layer.LayerTypes.Cache).To(BeTrue())
})
it("sets launch layer flag", func() {
lc.ExpectedTypes.Launch = true
layer, err := lc.Contribute(layer, func() (libcnb.Layer, error) {
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(layer.LayerTypes.Launch).To(BeTrue())
})
it("sets layer flags regardless of caching behavior (required for 0.6 API)", func() {
lc.ExpectedTypes.Launch = true
lc.ExpectedTypes.Cache = true
lc.ExpectedTypes.Build = true
layer.Metadata = map[string]interface{}{
"alpha": "test-alpha",
"bravo": map[string]interface{}{
"bravo-1": "test-bravo-1",
"bravo-2": "test-bravo-2",
},
}
var called bool
layer, err := lc.Contribute(layer, func() (libcnb.Layer, error) {
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeFalse())
Expect(layer.LayerTypes.Launch).To(BeTrue())
Expect(layer.LayerTypes.Cache).To(BeTrue())
Expect(layer.LayerTypes.Build).To(BeTrue())
})
})
context("NewDependencyLayer", func() {
var dep libpak.BuildpackDependency
it.Before(func() {
dep = libpak.BuildpackDependency{
ID: "test-id",
Name: "test-name",
Version: "1.1.1",
URI: "test-uri",
SHA256: "576dd8416de5619ea001d9662291d62444d1292a38e96956bc4651c01f14bca1",
Stacks: []string{"test-stack"},
Licenses: []libpak.BuildpackDependencyLicense{
{
Type: "test-type",
URI: "test-uri",
},
},
}
})
it("returns a BOM entry for the layer", func() {
_, entry := libpak.NewDependencyLayer(dep, libpak.DependencyCache{}, libcnb.LayerTypes{})
Expect(entry.Name).To(Equal("test-id"))
Expect(entry.Metadata["name"]).To(Equal("test-name"))
Expect(entry.Metadata["version"]).To(Equal("1.1.1"))
Expect(entry.Metadata["uri"]).To(Equal("test-uri"))
Expect(entry.Metadata["sha256"]).To(Equal("576dd8416de5619ea001d9662291d62444d1292a38e96956bc4651c01f14bca1"))
Expect(entry.Metadata["licenses"]).To(Equal([]libpak.BuildpackDependencyLicense{
{
Type: "test-type",
URI: "test-uri",
},
}))
})
context("launch layer type", func() {
it("only sets launch on the entry", func() {
_, entry := libpak.NewDependencyLayer(dep, libpak.DependencyCache{}, libcnb.LayerTypes{
Launch: true,
})
Expect(entry.Launch).To(BeTrue())
Expect(entry.Build).To(BeFalse())
})
})
context("launch and build layer type", func() {
it("sets launch and build on the entry", func() {
_, entry := libpak.NewDependencyLayer(dep, libpak.DependencyCache{}, libcnb.LayerTypes{
Launch: true,
Build: true,
})
Expect(entry.Launch).To(BeTrue())
Expect(entry.Build).To(BeTrue())
})
})
context("launch and cache layer type", func() {
it("sets launch and build on the entry", func() {
_, entry := libpak.NewDependencyLayer(dep, libpak.DependencyCache{}, libcnb.LayerTypes{
Launch: true,
Cache: true,
})
Expect(entry.Launch).To(BeTrue())
Expect(entry.Build).To(BeTrue())
})
})
context("build layer type", func() {
it("sets build on the entry", func() {
_, entry := libpak.NewDependencyLayer(dep, libpak.DependencyCache{}, libcnb.LayerTypes{
Build: true,
})
Expect(entry.Launch).To(BeFalse())
Expect(entry.Build).To(BeTrue())
})
})
context("cache layer type", func() {
it("sets build on the entry", func() {
_, entry := libpak.NewDependencyLayer(dep, libpak.DependencyCache{}, libcnb.LayerTypes{
Cache: true,
})
Expect(entry.Launch).To(BeFalse())
Expect(entry.Build).To(BeTrue())
})
})
context("no layer types", func() {
it("sets build on the entry", func() {
_, entry := libpak.NewDependencyLayer(dep, libpak.DependencyCache{}, libcnb.LayerTypes{})
Expect(entry.Launch).To(BeFalse())
Expect(entry.Build).To(BeTrue())
})
})
})
context("DependencyLayerContributor", func() {
var (
dependency libpak.BuildpackDependency
dlc libpak.DependencyLayerContributor
server *ghttp.Server
)
it.Before(func() {
RegisterTestingT(t)
server = ghttp.NewServer()
deprecationDate, err := time.Parse(time.RFC3339, "2021-04-01T00:00:00Z")
Expect(err).ToNot(HaveOccurred())
dependency = libpak.BuildpackDependency{
ID: "test-id",
Name: "test-name",
Version: "1.1.1",
URI: fmt.Sprintf("%s/test-path", server.URL()),
SHA256: "576dd8416de5619ea001d9662291d62444d1292a38e96956bc4651c01f14bca1",
Stacks: []string{"test-stack"},
Licenses: []libpak.BuildpackDependencyLicense{
{
Type: "test-type",
URI: "test-uri",
},
},
CPEs: []string{"cpe:2.3:a:some:jre:11.0.2:*:*:*:*:*:*:*"},
PURL: "pkg:generic/[email protected]?arch=amd64",
DeprecationDate: deprecationDate,
}
layer.Metadata = map[string]interface{}{}
dlc.ExpectedMetadata = dependency
dlc.Dependency = dependency
dlc.DependencyCache.CachePath = layer.Path
dlc.DependencyCache.DownloadPath = layer.Path
})
it.After(func() {
server.Close()
})
it("calls function with no existing metadata", func() {
server.AppendHandlers(ghttp.RespondWith(http.StatusOK, "test-fixture"))
var called bool
_, err := dlc.Contribute(layer, func(artifact *os.File) (libcnb.Layer, error) {
defer artifact.Close()
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeTrue())
})
it("modifies request", func() {
server.AppendHandlers(ghttp.CombineHandlers(
ghttp.VerifyHeaderKV("Test-Key", "test-value"),
ghttp.RespondWith(http.StatusOK, "test-fixture"),
))
dlc.RequestModifierFuncs = append(dlc.RequestModifierFuncs, func(request *http.Request) (*http.Request, error) {
request.Header.Add("Test-Key", "test-value")
return request, nil
})
_, err := dlc.Contribute(layer, func(artifact *os.File) (libcnb.Layer, error) {
defer artifact.Close()
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
})
it("calls function with non-matching metadata", func() {
layer.Metadata["alpha"] = "test-alpha"
server.AppendHandlers(ghttp.RespondWith(http.StatusOK, "test-fixture"))
var called bool
_, err := dlc.Contribute(layer, func(artifact *os.File) (libcnb.Layer, error) {
defer artifact.Close()
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeTrue())
})
it("does not call function with matching metadata", func() {
layer.Metadata = map[string]interface{}{
"id": dependency.ID,
"name": dependency.Name,
"version": dependency.Version,
"uri": dependency.URI,
"sha256": dependency.SHA256,
"stacks": []interface{}{dependency.Stacks[0]},
"licenses": []map[string]interface{}{
{
"type": dependency.Licenses[0].Type,
"uri": dependency.Licenses[0].URI,
},
},
"cpes": []interface{}{"cpe:2.3:a:some:jre:11.0.2:*:*:*:*:*:*:*"},
"purl": "pkg:generic/[email protected]?arch=amd64",
"deprecation_date": dependency.DeprecationDate,
}
var called bool
_, err := dlc.Contribute(layer, func(artifact *os.File) (libcnb.Layer, error) {
defer artifact.Close()
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeFalse())
})
it("does not call function with non-matching deprecation_date format", func() {
dependency = libpak.BuildpackDependency{
ID: "test-id",
Name: "test-name",
Version: "1.1.1",
URI: fmt.Sprintf("%s/test-path", server.URL()),
SHA256: "576dd8416de5619ea001d9662291d62444d1292a38e96956bc4651c01f14bca1",
Stacks: []string{"test-stack"},
Licenses: []libpak.BuildpackDependencyLicense{
{
Type: "test-type",
URI: "test-uri",
},
},
CPEs: []string{"cpe:2.3:a:some:jre:11.0.2:*:*:*:*:*:*:*"},
PURL: "pkg:generic/[email protected]?arch=amd64",
DeprecationDate: dependency.DeprecationDate, // parsed as '2021-04-01 00:00:00 +0000 UTC'
}
dlc.ExpectedMetadata = map[string]interface{}{"dependency": dependency}
layer.Metadata = map[string]interface{}{"dependency": map[string]interface{}{
"id": dependency.ID,
"name": dependency.Name,
"version": dependency.Version,
"uri": dependency.URI,
"sha256": dependency.SHA256,
"stacks": []interface{}{dependency.Stacks[0]},
"licenses": []map[string]interface{}{
{
"type": dependency.Licenses[0].Type,
"uri": dependency.Licenses[0].URI,
},
},
"cpes": []interface{}{"cpe:2.3:a:some:jre:11.0.2:*:*:*:*:*:*:*"},
"purl": "pkg:generic/[email protected]?arch=amd64",
"deprecation_date": "2021-04-01T00:00:00Z", // does not match without truncation
}}
var called bool
_, err := dlc.Contribute(layer, func(artifact *os.File) (libcnb.Layer, error) {
defer artifact.Close()
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeFalse())
})
it("gracefully handles a deprecationDate in time.Time format in actual layer metadata", func() {
// reusing It: does not call function with non-matching deprecation_date format
// but this time with a deprecationDate formatted as time.Time in the actual layer metadata
actualDeprecationDate, _ := time.Parse(time.RFC3339, "2021-04-01T00:00:00Z")
dependency = libpak.BuildpackDependency{
ID: "test-id",
Name: "test-name",
Version: "1.1.1",
URI: fmt.Sprintf("%s/test-path", server.URL()),
SHA256: "576dd8416de5619ea001d9662291d62444d1292a38e96956bc4651c01f14bca1",
Stacks: []string{"test-stack"},
Licenses: []libpak.BuildpackDependencyLicense{
{
Type: "test-type",
URI: "test-uri",
},
},
CPEs: []string{"cpe:2.3:a:some:jre:11.0.2:*:*:*:*:*:*:*"},
PURL: "pkg:generic/[email protected]?arch=amd64",
DeprecationDate: dependency.DeprecationDate, // parsed as '2021-04-01 00:00:00 +0000 UTC'
}
dlc.ExpectedMetadata = map[string]interface{}{"dependency": dependency}
layer.Metadata = map[string]interface{}{"dependency": map[string]interface{}{
"id": dependency.ID,
"name": dependency.Name,
"version": dependency.Version,
"uri": dependency.URI,
"sha256": dependency.SHA256,
"stacks": []interface{}{dependency.Stacks[0]},
"licenses": []map[string]interface{}{
{
"type": dependency.Licenses[0].Type,
"uri": dependency.Licenses[0].URI,
},
},
"cpes": []interface{}{"cpe:2.3:a:some:jre:11.0.2:*:*:*:*:*:*:*"},
"purl": "pkg:generic/[email protected]?arch=amd64",
"deprecation_date": actualDeprecationDate, // does not match without truncation
}}
var called bool
_, err := dlc.Contribute(layer, func(artifact *os.File) (libcnb.Layer, error) {
defer artifact.Close()
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeFalse())
})
it("does not panic on unsupported deprecationDate format in layer metadata", func() {
// Unexpected type (not string or time.Time)
actualDeprecationDate := 1234
dependency = libpak.BuildpackDependency{
ID: "test-id",
DeprecationDate: dependency.DeprecationDate, // parsed as '2021-04-01 00:00:00 +0000 UTC'
}
dlc.ExpectedMetadata = map[string]interface{}{"dependency": dependency}
layer.Metadata = map[string]interface{}{"dependency": map[string]interface{}{
"id": dependency.ID,
"deprecation_date": actualDeprecationDate, // does not match without truncation
}}
var called bool
_, err := dlc.Contribute(layer, func(artifact *os.File) (libcnb.Layer, error) {
defer artifact.Close()
called = true
return layer, nil
})
Expect(err).To(MatchError(ContainSubstring("unexpected type int for deprecation_date")))
Expect(called).To(BeFalse())
})
it("does not contribute when deprecation_date is found on metadata map root", func() {
dependency = libpak.BuildpackDependency{
ID: "test-id",
Name: "test-name",
Version: "1.1.1",
URI: fmt.Sprintf("%s/test-path", server.URL()),
SHA256: "576dd8416de5619ea001d9662291d62444d1292a38e96956bc4651c01f14bca1",
Stacks: []string{"test-stack"},
Licenses: []libpak.BuildpackDependencyLicense{
{
Type: "test-type",
URI: "test-uri",
},
},
CPEs: []string{"cpe:2.3:a:some:jre:11.0.2:*:*:*:*:*:*:*"},
PURL: "pkg:generic/[email protected]?arch=amd64",
}
dlc.ExpectedMetadata = dependency
layer.Metadata = map[string]interface{}{
"id": dependency.ID,
"name": dependency.Name,
"version": dependency.Version,
"uri": dependency.URI,
"sha256": dependency.SHA256,
"stacks": []interface{}{dependency.Stacks[0]},
"licenses": []map[string]interface{}{
{
"type": dependency.Licenses[0].Type,
"uri": dependency.Licenses[0].URI,
},
},
"cpes": []interface{}{"cpe:2.3:a:some:jre:11.0.2:*:*:*:*:*:*:*"},
"purl": "pkg:generic/[email protected]?arch=amd64",
"deprecation_date": "0001-01-01T00:00:00Z",
}
var called bool
_, err := dlc.Contribute(layer, func(artifact *os.File) (libcnb.Layer, error) {
defer artifact.Close()
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeFalse())
})
it("does not call function with missing deprecation_date", func() {
dependency = libpak.BuildpackDependency{
ID: "test-id",
Name: "test-name",
Version: "1.1.1",
URI: fmt.Sprintf("%s/test-path", server.URL()),
SHA256: "576dd8416de5619ea001d9662291d62444d1292a38e96956bc4651c01f14bca1",
Stacks: []string{"test-stack"},
Licenses: []libpak.BuildpackDependencyLicense{
{
Type: "test-type",
URI: "test-uri",
},
},
CPEs: []string{"cpe:2.3:a:some:jre:11.0.2:*:*:*:*:*:*:*"},
PURL: "pkg:generic/[email protected]?arch=amd64",
}
dlc.ExpectedMetadata = map[string]interface{}{"dependency": dependency}
layer.Metadata = map[string]interface{}{"dependency": map[string]interface{}{
"id": dependency.ID,
"name": dependency.Name,
"version": dependency.Version,
"uri": dependency.URI,
"sha256": dependency.SHA256,
"stacks": []interface{}{dependency.Stacks[0]},
"licenses": []map[string]interface{}{
{
"type": dependency.Licenses[0].Type,
"uri": dependency.Licenses[0].URI,
},
},
"cpes": []interface{}{"cpe:2.3:a:some:jre:11.0.2:*:*:*:*:*:*:*"},
"purl": "pkg:generic/[email protected]?arch=amd64",
"deprecation_date": "0001-01-01T00:00:00Z",
}}
var called bool
_, err := dlc.Contribute(layer, func(artifact *os.File) (libcnb.Layer, error) {
defer artifact.Close()
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeFalse())
})
it("returns function error", func() {
server.AppendHandlers(ghttp.RespondWith(http.StatusOK, "test-fixture"))
_, err := dlc.Contribute(layer, func(artifact *os.File) (libcnb.Layer, error) {
defer artifact.Close()
return libcnb.Layer{}, fmt.Errorf("test-error")
})
Expect(err).To(MatchError("test-error"))
})
it("adds expected metadata to layer", func() {
server.AppendHandlers(ghttp.RespondWith(http.StatusOK, "test-fixture"))
layer, err := dlc.Contribute(layer, func(artifact *os.File) (libcnb.Layer, error) {
defer artifact.Close()
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(layer.Metadata).To(Equal(map[string]interface{}{
"id": dependency.ID,
"name": dependency.Name,
"version": dependency.Version,
"uri": dependency.URI,
"sha256": dependency.SHA256,
"stacks": []interface{}{dependency.Stacks[0]},
"licenses": []map[string]interface{}{
{
"type": dependency.Licenses[0].Type,
"uri": dependency.Licenses[0].URI,
},
},
"cpes": []interface{}{"cpe:2.3:a:some:jre:11.0.2:*:*:*:*:*:*:*"},
"purl": "pkg:generic/[email protected]?arch=amd64",
"deprecation_date": dependency.DeprecationDate,
}))
})
it("sets layer flags regardless of caching behavior (required for 0.6 API)", func() {
layer.Metadata = map[string]interface{}{
"id": dependency.ID,
"name": dependency.Name,
"version": dependency.Version,
"uri": dependency.URI,
"sha256": dependency.SHA256,
"stacks": []interface{}{dependency.Stacks[0]},
"licenses": []map[string]interface{}{
{
"type": dependency.Licenses[0].Type,
"uri": dependency.Licenses[0].URI,
},
},
"cpes": []interface{}{"cpe:2.3:a:some:jre:11.0.2:*:*:*:*:*:*:*"},
"purl": "pkg:generic/[email protected]?arch=amd64",
"deprecation_date": dependency.DeprecationDate,
}
dlc.ExpectedTypes.Launch = true
dlc.ExpectedTypes.Cache = true
dlc.ExpectedTypes.Build = true
var called bool
layer, err := dlc.Contribute(layer, func(artifact *os.File) (libcnb.Layer, error) {
defer artifact.Close()
called = true
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
Expect(called).To(BeFalse())
Expect(layer.LayerTypes.Launch).To(BeTrue())
Expect(layer.LayerTypes.Cache).To(BeTrue())
Expect(layer.LayerTypes.Build).To(BeTrue())
})
it("adds expected Syft SBOM file", func() {
server.AppendHandlers(ghttp.RespondWith(http.StatusOK, "test-fixture"))
layer, err := dlc.Contribute(layer, func(artifact *os.File) (libcnb.Layer, error) {
defer artifact.Close()
return layer, nil
})
Expect(err).NotTo(HaveOccurred())
outputFile := layer.SBOMPath(libcnb.SyftJSON)
Expect(outputFile).To(BeARegularFile())
data, err := os.ReadFile(outputFile)
Expect(err).ToNot(HaveOccurred())
Expect(string(data)).To(ContainSubstring(`"Artifacts":[`))
Expect(string(data)).To(ContainSubstring(`"FoundBy":"libpak",`))
Expect(string(data)).To(ContainSubstring(`"PURL":"pkg:generic/[email protected]?arch=amd64"`))
Expect(string(data)).To(ContainSubstring(`"Schema":{`))
Expect(string(data)).To(ContainSubstring(`"Descriptor":{`))
Expect(string(data)).To(ContainSubstring(`"Source":{`))
})
})
context("NewHelperLayer", func() {
it("returns a BOM entry with version equal to buildpack version", func() {
_, entry := libpak.NewHelperLayer(libcnb.Buildpack{
API: "0.6",
Info: libcnb.BuildpackInfo{
Version: "test-version",
},
}, "test-name-1", "test-name-2")
Expect(entry).To(Equal(
libcnb.BOMEntry{
Name: filepath.Base("helper"),
Metadata: map[string]interface{}{
"layer": "helper",
"names": []string{"test-name-1", "test-name-2"},
"version": "test-version",
},
Launch: true,
Build: false,
},
))
})
it("returns a BOM entry on API 0.7 too", func() {
_, entry := libpak.NewHelperLayer(libcnb.Buildpack{
API: "0.7",
Info: libcnb.BuildpackInfo{
Version: "test-version",
},
}, "test-name-1", "test-name-2")
Expect(entry).To(Equal(libcnb.BOMEntry{
Name: filepath.Base("helper"),
Metadata: map[string]interface{}{
"layer": "helper",
"names": []string{"test-name-1", "test-name-2"},
"version": "test-version",
},
Launch: true,
Build: false,
}))
})
})
context("HelperLayerContributor", func() {
var (
buildpack libcnb.Buildpack
hlc libpak.HelperLayerContributor
)
it.Before(func() {
buildpack.Info = libcnb.BuildpackInfo{
ID: "test-id",
Name: "test-name",
Version: "test-version",
Homepage: "test-homepage",
}
buildpack.Path = t.TempDir()
file := filepath.Join(buildpack.Path, "bin")
Expect(os.MkdirAll(file, 0755)).To(Succeed())
file = filepath.Join(file, "helper")
Expect(os.WriteFile(file, []byte{}, 0755)).To(Succeed())
hlc = libpak.HelperLayerContributor{
Path: file,
BuildpackInfo: buildpack.Info,
Logger: bard.Logger{},
Names: []string{"test-name-1", "test-name-2"},
}
})
it.After(func() {
Expect(os.RemoveAll(buildpack.Path)).To(Succeed())
})
it("calls function with no existing metadata", func() {
_, err := hlc.Contribute(layer)
Expect(err).NotTo(HaveOccurred())
Expect(filepath.Join(layer.Exec.FilePath("test-name-1"))).To(BeAnExistingFile())
})
it("calls function with non-matching metadata", func() {
layer.Metadata["alpha"] = "other-alpha"
_, err := hlc.Contribute(layer)
Expect(err).NotTo(HaveOccurred())
file := filepath.Join(layer.Exec.FilePath("test-name-1"))
Expect(file).To(BeAnExistingFile())
Expect(os.Readlink(file)).To(Equal(filepath.Join(layer.Path, "helper")))
file = filepath.Join(layer.Exec.FilePath("test-name-2"))
Expect(file).To(BeAnExistingFile())
Expect(os.Readlink(file)).To(Equal(filepath.Join(layer.Path, "helper")))
})
it("does not call function with matching metadata", func() {
buildpackInfo := map[string]interface{}{
"id": buildpack.Info.ID,
"name": buildpack.Info.Name,
"version": buildpack.Info.Version,
"homepage": buildpack.Info.Homepage,
"clear-env": buildpack.Info.ClearEnvironment,
"description": "",
}
layer.Metadata["buildpackInfo"] = buildpackInfo
layer.Metadata["helperNames"] = []interface{}{hlc.Names[0], hlc.Names[1]}
_, err := hlc.Contribute(layer)
Expect(err).NotTo(HaveOccurred())
Expect(filepath.Join(layer.Exec.FilePath("test-name-1"))).NotTo(BeAnExistingFile())
Expect(filepath.Join(layer.Exec.FilePath("test-name-2"))).NotTo(BeAnExistingFile())
})
it("adds expected metadata to layer", func() {
layer, err := hlc.Contribute(layer)
Expect(err).NotTo(HaveOccurred())
buildpackInfo := map[string]interface{}{
"id": buildpack.Info.ID,
"name": buildpack.Info.Name,
"version": buildpack.Info.Version,
"homepage": buildpack.Info.Homepage,
"clear-env": buildpack.Info.ClearEnvironment,
"description": "",
}
Expect(layer.Metadata).To(Equal(map[string]interface{}{"buildpackInfo": buildpackInfo, "helperNames": []interface{}{hlc.Names[0], hlc.Names[1]}}))
})
it("sets layer flags regardless of caching behavior (required for 0.6 API)", func() {
buildpackInfo := map[string]interface{}{
"id": buildpack.Info.ID,
"name": buildpack.Info.Name,
"version": buildpack.Info.Version,
"homepage": buildpack.Info.Homepage,
"clear-env": buildpack.Info.ClearEnvironment,
"description": "",
}
layer.Metadata["buildpackInfo"] = buildpackInfo
layer.Metadata["helperNames"] = []interface{}{hlc.Names[0], hlc.Names[1]}
// Launch is the only one set & always true
layer, err := hlc.Contribute(layer)
Expect(err).NotTo(HaveOccurred())
Expect(filepath.Join(layer.Exec.FilePath("test-name-1"))).NotTo(BeAnExistingFile())
Expect(filepath.Join(layer.Exec.FilePath("test-name-2"))).NotTo(BeAnExistingFile())
Expect(layer.LayerTypes.Launch).To(BeTrue())
Expect(layer.LayerTypes.Cache).To(BeFalse())
Expect(layer.LayerTypes.Build).To(BeFalse())
})
it("adds expected Syft SBOM file", func() {
layer.Metadata = map[string]interface{}{}
_, err := hlc.Contribute(layer)