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fix cached layer tests
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@thirdeyenick
thirdeyenick committed Nov 28, 2023
1 parent ab8d38f commit 68ba4a8
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Showing 2 changed files with 169 additions and 77 deletions.
130 changes: 74 additions & 56 deletions build_test.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -384,40 +384,48 @@ composer-lock-sha = "sha-from-composer-lock"
Expect(os.RemoveAll(filepath.Join(layersDir, composer.ComposerPackagesLayerName))).To(Succeed())
})

it("reuses the cached version of the composer packages", func() {
result, err := build(packit.BuildContext{
BuildpackInfo: buildpackInfo,
WorkingDir: workingDir,
Layers: packit.Layers{Path: layersDir},
Plan: buildpackPlan,
context("with BP_RUN_COMPOSER_INSTALL set to false", func() {
it.Before(func() {
Expect(os.Setenv("BP_RUN_COMPOSER_INSTALL", "false")).To(Succeed())
})
it.After(func() {
Expect(os.Unsetenv("BP_RUN_COMPOSER_INSTALL")).To(Succeed())
})
Expect(err).NotTo(HaveOccurred())

Expect(buffer).NotTo(ContainSubstring("Running 'composer install options from fake'"))
it("reuses the cached version of the composer packages", func() {
result, err := build(packit.BuildContext{
BuildpackInfo: buildpackInfo,
WorkingDir: workingDir,
Layers: packit.Layers{Path: layersDir},
Plan: buildpackPlan,
})
Expect(err).NotTo(HaveOccurred())

Expect(calculator.SumCall.Receives.Paths).To(Equal([]string{filepath.Join(workingDir, "composer.lock")}))
layers := result.Layers
Expect(layers).To(HaveLen(1))
Expect(buffer).NotTo(ContainSubstring("Running 'composer install options from fake'"))

packagesLayer := layers[0]
Expect(packagesLayer.Name).To(Equal(composer.ComposerPackagesLayerName))
Expect(packagesLayer.Path).To(Equal(filepath.Join(layersDir, composer.ComposerPackagesLayerName)))
Expect(calculator.SumCall.Receives.Paths).To(Equal([]string{filepath.Join(workingDir, "composer.lock")}))
layers := result.Layers
Expect(layers).To(HaveLen(1))

Expect(packagesLayer.Build).To(BeTrue())
Expect(packagesLayer.Launch).To(BeTrue())
Expect(packagesLayer.Cache).To(BeTrue())
packagesLayer := layers[0]
Expect(packagesLayer.Name).To(Equal(composer.ComposerPackagesLayerName))
Expect(packagesLayer.Path).To(Equal(filepath.Join(layersDir, composer.ComposerPackagesLayerName)))

Expect(packagesLayer.Metadata["composer-lock-sha"]).To(Equal("sha-from-composer-lock"))
Expect(packagesLayer.Metadata["stack"]).To(Equal(""))
Expect(packagesLayer.Build).To(BeTrue())
Expect(packagesLayer.Launch).To(BeTrue())
Expect(packagesLayer.Cache).To(BeTrue())

Expect(packagesLayer.SBOM.Formats()).To(HaveLen(2))
cdx := packagesLayer.SBOM.Formats()[0]
spdx := packagesLayer.SBOM.Formats()[1]
Expect(packagesLayer.Metadata["composer-lock-sha"]).To(Equal("sha-from-composer-lock"))
Expect(packagesLayer.Metadata["stack"]).To(Equal(""))

Expect(cdx.Extension).To(Equal("cdx.json"))
content, err := io.ReadAll(cdx.Content)
Expect(err).NotTo(HaveOccurred())
Expect(string(content)).To(MatchJSON(`{
Expect(packagesLayer.SBOM.Formats()).To(HaveLen(2))
cdx := packagesLayer.SBOM.Formats()[0]
spdx := packagesLayer.SBOM.Formats()[1]

Expect(cdx.Extension).To(Equal("cdx.json"))
content, err := io.ReadAll(cdx.Content)
Expect(err).NotTo(HaveOccurred())
Expect(string(content)).To(MatchJSON(`{
"bomFormat": "CycloneDX",
"components": [],
"metadata": {
Expand All @@ -433,10 +441,10 @@ composer-lock-sha = "sha-from-composer-lock"
"version": 1
}`))

Expect(spdx.Extension).To(Equal("spdx.json"))
content, err = io.ReadAll(spdx.Content)
Expect(err).NotTo(HaveOccurred())
Expect(string(content)).To(MatchJSON(`{
Expect(spdx.Extension).To(Equal("spdx.json"))
content, err = io.ReadAll(spdx.Content)
Expect(err).NotTo(HaveOccurred())
Expect(string(content)).To(MatchJSON(`{
"SPDXID": "SPDXRef-DOCUMENT",
"creationInfo": {
"created": "0001-01-01T00:00:00Z",
Expand All @@ -459,7 +467,8 @@ composer-lock-sha = "sha-from-composer-lock"
"spdxVersion": "SPDX-2.2"
}`))

Expect(filepath.Join(workingDir, "vendor", "file.txt")).To(BeAnExistingFile())
Expect(filepath.Join(workingDir, "vendor", "file.txt")).To(BeAnExistingFile())
})
})

context("when trying to reuse a layer but the stack changes", func() {
Expand Down Expand Up @@ -498,33 +507,42 @@ composer-lock-sha = "sha-from-composer-lock"
Expect(os.WriteFile(filepath.Join(workingDir, "vendor", "pre-existing-file.text"), []byte(""), os.ModePerm)).To(Succeed())
})

it("replaces workspace vendor directory with cached vendor directory", func() {
result, err := build(packit.BuildContext{
BuildpackInfo: buildpackInfo,
WorkingDir: workingDir,
Layers: packit.Layers{Path: layersDir},
Plan: buildpackPlan,
context("with BP_RUN_COMPOSER_INSTALL set to false", func() {
it.Before(func() {
Expect(os.Setenv("BP_RUN_COMPOSER_INSTALL", "false")).To(Succeed())
})
it.After(func() {
Expect(os.Unsetenv("BP_RUN_COMPOSER_INSTALL")).To(Succeed())
})
Expect(err).NotTo(HaveOccurred())
Expect(buffer).NotTo(ContainSubstring("Running 'composer install options from fake'"))

Expect(calculator.SumCall.Receives.Paths).To(Equal([]string{filepath.Join(workingDir, "composer.lock")}))
layers := result.Layers
Expect(layers).To(HaveLen(1))

packagesLayer := layers[0]
Expect(packagesLayer.Name).To(Equal(composer.ComposerPackagesLayerName))
Expect(packagesLayer.Path).To(Equal(filepath.Join(layersDir, composer.ComposerPackagesLayerName)))

Expect(packagesLayer.Build).To(BeTrue())
Expect(packagesLayer.Launch).To(BeTrue())
Expect(packagesLayer.Cache).To(BeTrue())

Expect(packagesLayer.Metadata["composer-lock-sha"]).To(Equal("sha-from-composer-lock"))
Expect(packagesLayer.Metadata["stack"]).To(Equal(""))

Expect(filepath.Join(workingDir, "vendor", "file.txt")).To(BeAnExistingFile())
Expect(filepath.Join(workingDir, "vendor", "pre-existing-file.text")).NotTo(BeAnExistingFile())
it("replaces workspace vendor directory with cached vendor directory", func() {
result, err := build(packit.BuildContext{
BuildpackInfo: buildpackInfo,
WorkingDir: workingDir,
Layers: packit.Layers{Path: layersDir},
Plan: buildpackPlan,
})
Expect(err).NotTo(HaveOccurred())
Expect(buffer).NotTo(ContainSubstring("Running 'composer install options from fake'"))

Expect(calculator.SumCall.Receives.Paths).To(Equal([]string{filepath.Join(workingDir, "composer.lock")}))
layers := result.Layers
Expect(layers).To(HaveLen(1))

packagesLayer := layers[0]
Expect(packagesLayer.Name).To(Equal(composer.ComposerPackagesLayerName))
Expect(packagesLayer.Path).To(Equal(filepath.Join(layersDir, composer.ComposerPackagesLayerName)))

Expect(packagesLayer.Build).To(BeTrue())
Expect(packagesLayer.Launch).To(BeTrue())
Expect(packagesLayer.Cache).To(BeTrue())

Expect(packagesLayer.Metadata["composer-lock-sha"]).To(Equal("sha-from-composer-lock"))
Expect(packagesLayer.Metadata["stack"]).To(Equal(""))

Expect(filepath.Join(workingDir, "vendor", "file.txt")).To(BeAnExistingFile())
Expect(filepath.Join(workingDir, "vendor", "pre-existing-file.text")).NotTo(BeAnExistingFile())
})
})
})
})
Expand Down
116 changes: 95 additions & 21 deletions integration/reuse_layer_rebuild_test.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@ func testReusingLayerRebuild(t *testing.T, context spec.G, it spec.S) {
logs fmt.Stringer
firstImage occam.Image
secondImage occam.Image
thirdImage occam.Image
)

source, err = occam.Source(filepath.Join("testdata", "default_app"))
Expand All @@ -77,21 +78,56 @@ func testReusingLayerRebuild(t *testing.T, context spec.G, it spec.S) {

Expect(logs.String()).To(ContainSubstring("Running 'composer install --no-progress --no-dev'"))

// Second pack build
secondImage, logs, err = build.Execute(name, source)
Expect(err).NotTo(HaveOccurred())
// Second pack build with BP_RUN_COMPOSER_INSTALL set to false
context("with BP_RUN_COMPOSER_INSTALL set to false", func() {
it.Before(func() {
Expect(os.Setenv("BP_RUN_COMPOSER_INSTALL", "false")).To(Succeed())
})
it.After(func() {
Expect(os.Unsetenv("BP_RUN_COMPOSER_INSTALL")).To(Succeed())
})
secondImage, logs, err = build.Execute(name, source)
Expect(err).NotTo(HaveOccurred())

imageIDs[secondImage.ID] = struct{}{}
imageIDs[secondImage.ID] = struct{}{}

Expect(secondImage.Buildpacks).To(HaveLen(7))
Expect(secondImage.Buildpacks).To(HaveLen(7))

Expect(secondImage.Buildpacks[2].Key).To(Equal(buildpackInfo.Buildpack.ID))
Expect(secondImage.Buildpacks[2].Layers).To(HaveKey("composer-packages"))
Expect(secondImage.Buildpacks[2].Key).To(Equal(buildpackInfo.Buildpack.ID))
Expect(secondImage.Buildpacks[2].Layers).To(HaveKey("composer-packages"))

Expect(logs.String()).NotTo(ContainSubstring("Running 'composer install --no-progress --no-dev'"))
Expect(logs.String()).To(ContainSubstring(fmt.Sprintf("Reusing cached layer /layers/%s/composer-packages", strings.ReplaceAll(buildpackInfo.Buildpack.ID, "/", "_"))))
it("it does not run composer install again", func() {
Expect(logs.String()).NotTo(ContainSubstring("Running 'composer install --no-progress --no-dev'"))
})
Expect(logs.String()).To(ContainSubstring(fmt.Sprintf("Reusing cached layer /layers/%s/composer-packages", strings.ReplaceAll(buildpackInfo.Buildpack.ID, "/", "_"))))
Expect(secondImage.Buildpacks[2].Layers["composer-packages"].SHA).To(Equal(firstImage.Buildpacks[2].Layers["composer-packages"].SHA))
})

// Third pack build with BP_RUN_COMPOSER_INSTALL set to true
context("with BP_RUN_COMPOSER_INSTALL set to true", func() {
it.Before(func() {
Expect(os.Setenv("BP_RUN_COMPOSER_INSTALL", "true")).To(Succeed())
})
it.After(func() {
Expect(os.Unsetenv("BP_RUN_COMPOSER_INSTALL")).To(Succeed())
})
thirdImage, logs, err = build.Execute(name, source)
Expect(err).NotTo(HaveOccurred())

imageIDs[thirdImage.ID] = struct{}{}

Expect(thirdImage.Buildpacks).To(HaveLen(7))

Expect(secondImage.Buildpacks[2].Layers["composer-packages"].SHA).To(Equal(firstImage.Buildpacks[2].Layers["composer-packages"].SHA))
Expect(thirdImage.Buildpacks[2].Key).To(Equal(buildpackInfo.Buildpack.ID))
Expect(thirdImage.Buildpacks[2].Layers).To(HaveKey("composer-packages"))

it("it does run composer install again", func() {
Expect(logs.String()).To(ContainSubstring("Running 'composer install --no-progress --no-dev'"))
})
Expect(logs.String()).To(ContainSubstring(fmt.Sprintf("Reusing cached layer /layers/%s/composer-packages", strings.ReplaceAll(buildpackInfo.Buildpack.ID, "/", "_"))))

Expect(thirdImage.Buildpacks[2].Layers["composer-packages"].SHA).To(Equal(firstImage.Buildpacks[2].Layers["composer-packages"].SHA))
})
})
})

Expand Down Expand Up @@ -155,6 +191,7 @@ func testReusingLayerRebuild(t *testing.T, context spec.G, it spec.S) {
logs fmt.Stringer
firstImage occam.Image
secondImage occam.Image
thirdImage occam.Image
)

source, err = occam.Source(filepath.Join("testdata", "with_vendored_packages"))
Expand All @@ -179,22 +216,59 @@ func testReusingLayerRebuild(t *testing.T, context spec.G, it spec.S) {

Expect(logs.String()).To(ContainSubstring("Running 'composer install --no-progress --no-dev'"))

// Second pack build
secondImage, logs, err = build.Execute(name, source)
Expect(err).NotTo(HaveOccurred())
// Second pack build with BP_RUN_COMPOSER_INSTALL set to false
context("with BP_RUN_COMPOSER_INSTALL set to false", func() {
it.Before(func() {
Expect(os.Setenv("BP_RUN_COMPOSER_INSTALL", "false")).To(Succeed())
})
it.After(func() {
Expect(os.Unsetenv("BP_RUN_COMPOSER_INSTALL")).To(Succeed())
})
secondImage, logs, err = build.Execute(name, source)
Expect(err).NotTo(HaveOccurred())

imageIDs[secondImage.ID] = struct{}{}
imageIDs[secondImage.ID] = struct{}{}

Expect(secondImage.Buildpacks).To(HaveLen(7))
Expect(secondImage.Buildpacks).To(HaveLen(7))

Expect(secondImage.Buildpacks[2].Key).To(Equal(buildpackInfo.Buildpack.ID))
Expect(secondImage.Buildpacks[2].Layers).To(HaveKey("composer-packages"))
Expect(secondImage.Buildpacks[2].Key).To(Equal(buildpackInfo.Buildpack.ID))
Expect(secondImage.Buildpacks[2].Layers).To(HaveKey("composer-packages"))

it("does not run composer install again", func() {
Expect(logs.String()).NotTo(ContainSubstring("Running 'composer install --no-progress --no-dev'"))
})
Expect(logs.String()).To(ContainSubstring("Detected existing vendored packages, replacing with cached vendored packages"))
Expect(logs.String()).To(ContainSubstring(fmt.Sprintf("Reusing cached layer /layers/%s/composer-packages", strings.ReplaceAll(buildpackInfo.Buildpack.ID, "/", "_"))))

Expect(logs.String()).NotTo(ContainSubstring("Running 'composer install --no-progress --no-dev'"))
Expect(logs.String()).To(ContainSubstring("Detected existing vendored packages, replacing with cached vendored packages"))
Expect(logs.String()).To(ContainSubstring(fmt.Sprintf("Reusing cached layer /layers/%s/composer-packages", strings.ReplaceAll(buildpackInfo.Buildpack.ID, "/", "_"))))
Expect(secondImage.Buildpacks[2].Layers["composer-packages"].SHA).To(Equal(firstImage.Buildpacks[2].Layers["composer-packages"].SHA))
})

// Third pack build with BP_RUN_COMPOSER_INSTALL set to true
context("with BP_RUN_COMPOSER_INSTALL set to true", func() {
it.Before(func() {
Expect(os.Setenv("BP_RUN_COMPOSER_INSTALL", "true")).To(Succeed())
})
it.After(func() {
Expect(os.Unsetenv("BP_RUN_COMPOSER_INSTALL")).To(Succeed())
})
thirdImage, logs, err = build.Execute(name, source)
Expect(err).NotTo(HaveOccurred())

imageIDs[thirdImage.ID] = struct{}{}

Expect(thirdImage.Buildpacks).To(HaveLen(7))

Expect(thirdImage.Buildpacks[2].Key).To(Equal(buildpackInfo.Buildpack.ID))
Expect(thirdImage.Buildpacks[2].Layers).To(HaveKey("composer-packages"))

it("does run composer install again", func() {
Expect(logs.String()).To(ContainSubstring("Running 'composer install --no-progress --no-dev'"))
})
Expect(logs.String()).To(ContainSubstring("Detected existing vendored packages, replacing with cached vendored packages"))
Expect(logs.String()).To(ContainSubstring(fmt.Sprintf("Reusing cached layer /layers/%s/composer-packages", strings.ReplaceAll(buildpackInfo.Buildpack.ID, "/", "_"))))

Expect(secondImage.Buildpacks[2].Layers["composer-packages"].SHA).To(Equal(firstImage.Buildpacks[2].Layers["composer-packages"].SHA))
Expect(thirdImage.Buildpacks[2].Layers["composer-packages"].SHA).To(Equal(firstImage.Buildpacks[2].Layers["composer-packages"].SHA))
})
})
})
}

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