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simple_app_test.go
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simple_app_test.go
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package integration
import (
"fmt"
"io"
"net/http"
"os"
"path/filepath"
"strings"
"testing"
"github.com/paketo-buildpacks/occam"
"github.com/sclevine/spec"
. "github.com/onsi/gomega"
. "github.com/paketo-buildpacks/occam/matchers"
)
func testSimple(t *testing.T, context spec.G, it spec.S) {
var (
Expect = NewWithT(t).Expect
Eventually = NewWithT(t).Eventually
pack occam.Pack
docker occam.Docker
)
it.Before(func() {
pack = occam.NewPack()
docker = occam.NewDocker()
})
context("when the buildpack is run with pack build", func() {
var (
image occam.Image
container occam.Container
name string
source string
sbomDir string
)
it.Before(func() {
var err error
name, err = occam.RandomName()
Expect(err).NotTo(HaveOccurred())
sbomDir, err = os.MkdirTemp("", "sbom")
Expect(err).NotTo(HaveOccurred())
Expect(os.Chmod(sbomDir, os.ModePerm)).To(Succeed())
})
it.After(func() {
Expect(docker.Image.Remove.Execute(image.ID)).To(Succeed())
Expect(docker.Volume.Remove.Execute(occam.CacheVolumeNames(name))).To(Succeed())
Expect(os.RemoveAll(source)).To(Succeed())
Expect(os.RemoveAll(sbomDir)).To(Succeed())
})
context("simple app", func() {
var (
container1 occam.Container
container2 occam.Container
)
it.After(func() {
Expect(docker.Container.Remove.Execute(container1.ID)).To(Succeed())
Expect(docker.Container.Remove.Execute(container2.ID)).To(Succeed())
})
it("builds, logs and runs correctly", func() {
var err error
source, err = occam.Source(filepath.Join("testdata", "simple_app"))
Expect(err).ToNot(HaveOccurred())
var logs fmt.Stringer
image, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
WithEnv(map[string]string{
"BP_LOG_LEVEL": "DEBUG",
}).
WithSBOMOutputDir(sbomDir).
Execute(name, source)
Expect(err).ToNot(HaveOccurred(), logs.String)
Expect(logs).To(ContainLines(
fmt.Sprintf("%s 1.2.3", settings.Buildpack.Name),
" Resolving Node Engine version",
" Candidate version sources (in priority order):",
" <unknown> -> \"\"",
"",
MatchRegexp(` Selected Node Engine version \(using <unknown>\): \d+\.\d+\.\d+`),
"",
" Executing build process",
MatchRegexp(` Installing Node Engine \d+\.\d+\.\d+`),
MatchRegexp(` Completed in \d+\.\d+`),
"",
fmt.Sprintf(" Generating SBOM for directory /layers/%s/node", strings.ReplaceAll(settings.Buildpack.ID, "/", "_")),
MatchRegexp(` Completed in \d+(\.?\d+)*`),
"",
" Writing SBOM in the following format(s):",
" application/vnd.cyclonedx+json",
" application/spdx+json",
" application/vnd.syft+json",
"",
" Configuring build environment",
` NODE_ENV -> "production"`,
fmt.Sprintf(` NODE_HOME -> "/layers/%s/node"`, strings.ReplaceAll(settings.Buildpack.ID, "/", "_")),
` NODE_VERBOSE -> "false"`,
"",
" Configuring launch environment",
` NODE_ENV -> "production"`,
fmt.Sprintf(` NODE_HOME -> "/layers/%s/node"`, strings.ReplaceAll(settings.Buildpack.ID, "/", "_")),
` NODE_VERBOSE -> "false"`,
"",
" Writing exec.d/0-optimize-memory",
" Calculates available memory based on container limits at launch time.",
" Made available in the MEMORY_AVAILABLE environment variable.",
))
// Ensure node is installed correctly
container1, err = docker.Container.Run.
WithCommand("echo NODE_ENV=$NODE_ENV && node server.js").
WithPublish("8080").
Execute(image.ID)
Expect(err).NotTo(HaveOccurred())
Eventually(container1).Should(BeAvailable())
response, err := http.Get(fmt.Sprintf("http://localhost:%s", container1.HostPort("8080")))
Expect(err).NotTo(HaveOccurred())
Expect(response.StatusCode).To(Equal(http.StatusOK))
content, err := io.ReadAll(response.Body)
Expect(err).NotTo(HaveOccurred())
Expect(string(content)).To(ContainSubstring("hello world"))
Eventually(func() string {
cLogs, err := docker.Container.Logs.Execute(container1.ID)
Expect(err).NotTo(HaveOccurred())
return cLogs.String()
}).Should(
ContainSubstring("NODE_ENV=production"),
)
// check that legacy SBOM is included via metadata
container2, err = docker.Container.Run.
WithCommand("cat /layers/config/metadata.toml").
Execute(image.ID)
Expect(err).NotTo(HaveOccurred())
Eventually(func() string {
cLogs, err := docker.Container.Logs.Execute(container2.ID)
Expect(err).NotTo(HaveOccurred())
return cLogs.String()
}).Should(And(
ContainSubstring("[[bom]]"),
ContainSubstring(`name = "Node Engine`),
ContainSubstring("[bom.metadata]"),
))
// check that all required SBOM files are present
Expect(filepath.Join(sbomDir, "sbom", "launch", strings.ReplaceAll(settings.Buildpack.ID, "/", "_"), "node", "sbom.cdx.json")).To(BeARegularFile())
Expect(filepath.Join(sbomDir, "sbom", "launch", strings.ReplaceAll(settings.Buildpack.ID, "/", "_"), "node", "sbom.spdx.json")).To(BeARegularFile())
Expect(filepath.Join(sbomDir, "sbom", "launch", strings.ReplaceAll(settings.Buildpack.ID, "/", "_"), "node", "sbom.syft.json")).To(BeARegularFile())
// check an SBOM file to make sure it has an entry for node
contents, err := os.ReadFile(filepath.Join(sbomDir, "sbom", "launch", strings.ReplaceAll(settings.Buildpack.ID, "/", "_"), "node", "sbom.cdx.json"))
Expect(err).NotTo(HaveOccurred())
Expect(string(contents)).To(ContainSubstring(`"name": "Node Engine"`))
})
})
context("NODE_ENV, NODE_VERBOSE are set by user", func() {
it.After(func() {
Expect(docker.Container.Remove.Execute(container.ID)).To(Succeed())
})
it("uses user-set value in build and buildpack-set value in launch phase", func() {
var err error
source, err = occam.Source(filepath.Join("testdata", "simple_app"))
Expect(err).ToNot(HaveOccurred())
var logs fmt.Stringer
image, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithEnv(map[string]string{"NODE_ENV": "development", "NODE_VERBOSE": "true"}).
WithBuildpacks(
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
Execute(name, source)
Expect(err).ToNot(HaveOccurred(), logs.String)
Expect(logs).To(ContainLines(
" Configuring build environment",
` NODE_ENV -> "production"`,
fmt.Sprintf(` NODE_HOME -> "/layers/%s/node"`, strings.ReplaceAll(settings.Buildpack.ID, "/", "_")),
` NODE_VERBOSE -> "false"`,
"",
" Configuring launch environment",
` NODE_ENV -> "production"`,
fmt.Sprintf(` NODE_HOME -> "/layers/%s/node"`, strings.ReplaceAll(settings.Buildpack.ID, "/", "_")),
` NODE_VERBOSE -> "false"`,
))
container, err = docker.Container.Run.
WithCommand("echo ENV=$NODE_ENV && echo VERBOSE=$NODE_VERBOSE && node server.js").
WithPublish("8080").
Execute(image.ID)
Expect(err).NotTo(HaveOccurred())
Eventually(container).Should(BeAvailable())
response, err := http.Get(fmt.Sprintf("http://localhost:%s", container.HostPort("8080")))
Expect(err).NotTo(HaveOccurred())
Expect(response.StatusCode).To(Equal(http.StatusOK))
content, err := io.ReadAll(response.Body)
Expect(err).NotTo(HaveOccurred())
Expect(string(content)).To(ContainSubstring("hello world"))
Eventually(func() string {
cLogs, err := docker.Container.Logs.Execute(container.ID)
Expect(err).NotTo(HaveOccurred())
return cLogs.String()
}).Should(
And(
ContainSubstring("ENV=production"),
ContainSubstring("VERBOSE=false"),
),
)
})
})
context("simple app with .node-version", func() {
it.After(func() {
Expect(docker.Container.Remove.Execute(container.ID)).To(Succeed())
})
it("builds, logs and runs correctly", func() {
var err error
source, err = occam.Source(filepath.Join("testdata", "node_version_app"))
Expect(err).ToNot(HaveOccurred())
var logs fmt.Stringer
image, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
Execute(name, source)
Expect(err).ToNot(HaveOccurred(), logs.String)
Expect(logs).To(ContainLines(
fmt.Sprintf("%s 1.2.3", settings.Buildpack.Name),
" Resolving Node Engine version",
" Candidate version sources (in priority order):",
" .node-version -> \"12.*\"",
" <unknown> -> \"\"",
"",
MatchRegexp(` Selected Node Engine version \(using \.node-version\): 12\.\d+\.\d+`),
"",
" Executing build process",
MatchRegexp(` Installing Node Engine 12\.\d+\.\d+`),
MatchRegexp(` Completed in \d+\.\d+`),
"",
fmt.Sprintf(" Generating SBOM for directory /layers/%s/node", strings.ReplaceAll(settings.Buildpack.ID, "/", "_")),
MatchRegexp(` Completed in \d+(\.?\d+)*`),
"",
" Configuring build environment",
` NODE_ENV -> "production"`,
fmt.Sprintf(` NODE_HOME -> "/layers/%s/node"`, strings.ReplaceAll(settings.Buildpack.ID, "/", "_")),
` NODE_VERBOSE -> "false"`,
"",
" Configuring launch environment",
` NODE_ENV -> "production"`,
fmt.Sprintf(` NODE_HOME -> "/layers/%s/node"`, strings.ReplaceAll(settings.Buildpack.ID, "/", "_")),
` NODE_VERBOSE -> "false"`,
"",
" Writing exec.d/0-optimize-memory",
" Calculates available memory based on container limits at launch time.",
" Made available in the MEMORY_AVAILABLE environment variable.",
))
container, err = docker.Container.Run.
WithCommand("echo NODE_ENV=$NODE_ENV && node server.js").
WithPublish("8080").
Execute(image.ID)
Expect(err).NotTo(HaveOccurred())
Eventually(container).Should(BeAvailable())
response, err := http.Get(fmt.Sprintf("http://localhost:%s", container.HostPort("8080")))
Expect(err).NotTo(HaveOccurred())
Expect(response.StatusCode).To(Equal(http.StatusOK))
content, err := io.ReadAll(response.Body)
Expect(err).NotTo(HaveOccurred())
Expect(string(content)).To(ContainSubstring("hello world"))
Eventually(func() string {
cLogs, err := docker.Container.Logs.Execute(container.ID)
Expect(err).NotTo(HaveOccurred())
return cLogs.String()
}).Should(
ContainSubstring("NODE_ENV=production"),
)
})
})
context("simple app with .nvmrc", func() {
it.After(func() {
Expect(docker.Container.Remove.Execute(container.ID)).To(Succeed())
})
it("builds, logs and runs correctly", func() {
var err error
source, err = occam.Source(filepath.Join("testdata", "nvmrc_app"))
Expect(err).ToNot(HaveOccurred())
var logs fmt.Stringer
image, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.NodeEngine.Online,
settings.Buildpacks.BuildPlan.Online,
).
Execute(name, source)
Expect(err).ToNot(HaveOccurred(), logs.String)
Expect(logs).To(ContainLines(
fmt.Sprintf("%s 1.2.3", settings.Buildpack.Name),
" Resolving Node Engine version",
" Candidate version sources (in priority order):",
" .nvmrc -> \"12.*\"",
" <unknown> -> \"\"",
"",
MatchRegexp(` Selected Node Engine version \(using \.nvmrc\): 12\.\d+\.\d+`),
"",
" Executing build process",
MatchRegexp(` Installing Node Engine 12\.\d+\.\d+`),
MatchRegexp(` Completed in \d+\.\d+`),
"",
fmt.Sprintf(" Generating SBOM for directory /layers/%s/node", strings.ReplaceAll(settings.Buildpack.ID, "/", "_")),
MatchRegexp(` Completed in \d+(\.?\d+)*`),
"",
" Configuring build environment",
` NODE_ENV -> "production"`,
fmt.Sprintf(` NODE_HOME -> "/layers/%s/node"`, strings.ReplaceAll(settings.Buildpack.ID, "/", "_")),
` NODE_VERBOSE -> "false"`,
"",
" Configuring launch environment",
` NODE_ENV -> "production"`,
fmt.Sprintf(` NODE_HOME -> "/layers/%s/node"`, strings.ReplaceAll(settings.Buildpack.ID, "/", "_")),
` NODE_VERBOSE -> "false"`,
"",
" Writing exec.d/0-optimize-memory",
" Calculates available memory based on container limits at launch time.",
" Made available in the MEMORY_AVAILABLE environment variable.",
))
container, err = docker.Container.Run.
WithCommand("echo NODE_ENV=$NODE_ENV && node server.js").
WithPublish("8080").
Execute(image.ID)
Expect(err).NotTo(HaveOccurred())
Eventually(container).Should(BeAvailable())
response, err := http.Get(fmt.Sprintf("http://localhost:%s", container.HostPort("8080")))
Expect(err).NotTo(HaveOccurred())
Expect(response.StatusCode).To(Equal(http.StatusOK))
content, err := io.ReadAll(response.Body)
Expect(err).NotTo(HaveOccurred())
Expect(string(content)).To(ContainSubstring("hello world"))
Eventually(func() string {
cLogs, err := docker.Container.Logs.Execute(container.ID)
Expect(err).NotTo(HaveOccurred())
return cLogs.String()
}).Should(
ContainSubstring("NODE_ENV=production"),
)
})
})
context("when the node version specfied in the app is EOL'd", func() {
it("logs thats the dependency is deprecated", func() {
var err error
source, err = occam.Source(filepath.Join("testdata", "simple_app"))
Expect(err).NotTo(HaveOccurred())
var logs fmt.Stringer
image, logs, err = pack.WithNoColor().Build.
WithPullPolicy("never").
WithBuildpacks(
settings.Buildpacks.NodeEngine.Deprecated,
settings.Buildpacks.BuildPlan.Online,
).
Execute(name, source)
Expect(err).ToNot(HaveOccurred(), logs.String)
Expect(logs).To(ContainLines(
MatchRegexp(` Version \d+\.\d+\.\d+ of Node Engine is deprecated.`),
" Migrate your application to a supported version of Node Engine.",
))
})
})
})
}