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runtime_version_resolver_test.go
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runtime_version_resolver_test.go
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package dotnetcoreruntime_test
import (
"bytes"
"os"
"path/filepath"
"testing"
dotnetcoreruntime "github.com/paketo-buildpacks/dotnet-core-runtime"
"github.com/paketo-buildpacks/packit/v2"
"github.com/paketo-buildpacks/packit/v2/postal"
"github.com/paketo-buildpacks/packit/v2/scribe"
"github.com/sclevine/spec"
. "github.com/onsi/gomega"
)
func testRuntimeVersionResolver(t *testing.T, context spec.G, it spec.S) {
var (
Expect = NewWithT(t).Expect
buffer *bytes.Buffer
logEmitter scribe.Emitter
cnbDir string
buildpackToml string
versionResolver dotnetcoreruntime.RuntimeVersionResolver
entry packit.BuildpackPlanEntry
)
it.Before(func() {
var err error
buffer = bytes.NewBuffer(nil)
logEmitter = scribe.NewEmitter(buffer)
versionResolver = dotnetcoreruntime.NewRuntimeVersionResolver(logEmitter)
cnbDir, err = os.MkdirTemp("", "cnb")
buildpackToml = filepath.Join(cnbDir, "buildpack.toml")
Expect(err).NotTo(HaveOccurred())
err = os.WriteFile(buildpackToml, []byte(`api = "0.2"
[buildpack]
id = "org.some-org.some-buildpack"
name = "Some Buildpack"
version = "some-version"
[metadata]
[metadata.default-versions]
dotnet-runtime = "1.2.0"
[[metadata.dependencies]]
id = "dotnet-runtime"
sha256 = "some-sha"
stacks = ["some-stack"]
uri = "some-uri"
version = "1.2.2"
[[metadata.dependencies]]
id = "dotnet-runtime"
sha256 = "some-sha"
stacks = ["some-stack"]
uri = "some-uri"
version = "2.2.3"
[[metadata.dependencies]]
id = "dotnet-runtime"
sha256 = "some-sha"
stacks = ["some-stack"]
uri = "some-uri"
version = "2.2.4"
`), 0600)
Expect(err).NotTo(HaveOccurred())
entry = packit.BuildpackPlanEntry{
Name: "dotnet-runtime",
Metadata: map[string]interface{}{
"version-source": "UNKNOWN",
"launch": true,
},
}
})
it.After(func() {
Expect(os.RemoveAll(cnbDir)).To(Succeed())
})
context("the version source is empty", func() {
it.Before(func() {
delete(entry.Metadata, "version-source")
entry.Metadata["version"] = "1.2.0"
})
it("returns the default version", func() {
dependency, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).NotTo(HaveOccurred())
Expect(dependency).To(Equal(postal.Dependency{
ID: "dotnet-runtime",
Version: "1.2.2",
URI: "some-uri",
SHA256: "some-sha",
Stacks: []string{"some-stack"},
}))
})
})
context("the version source is runtimeconfig.json", func() {
it.Before(func() {
entry.Metadata["version-source"] = "runtimeconfig.json"
})
context("the buildpack.toml has the exact version", func() {
it.Before(func() {
entry.Metadata["version"] = "2.2.3"
})
it("returns a dependency with that version", func() {
dependency, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).NotTo(HaveOccurred())
Expect(dependency).To(Equal(postal.Dependency{
ID: "dotnet-runtime",
Version: "2.2.3",
URI: "some-uri",
SHA256: "some-sha",
Stacks: []string{"some-stack"},
}))
})
})
context("the buildpack.toml only has a major minor version match", func() {
it.Before(func() {
entry.Metadata["version"] = "2.2.0"
})
it("returns a compatible version", func() {
dependency, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).NotTo(HaveOccurred())
Expect(dependency).To(Equal(postal.Dependency{
ID: "dotnet-runtime",
Version: "2.2.4",
URI: "some-uri",
SHA256: "some-sha",
Stacks: []string{"some-stack"},
}))
})
})
context("the buildpack.toml only has a major minor version match with BP_DOTNET_ROLL_FORWARD=Disable", func() {
it.Before(func() {
entry.Metadata["version"] = "2.2.0"
Expect(os.Setenv("BP_DOTNET_ROLL_FORWARD", "Disable")).To(Succeed())
})
it.After(func() {
Expect(os.Unsetenv("BP_DOTNET_ROLL_FORWARD")).To(Succeed())
})
it("returns a compatible version", func() {
_, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).To(MatchError(ContainSubstring(`failed to satisfy "dotnet-runtime" dependency for stack "some-stack" with version constraint "2.2.0": no compatible versions. Supported versions are: [1.2.2, 2.2.3, 2.2.4]. This may be due to BP_DOTNET_ROLL_FORWARD=Disable`)))
})
})
context("the buildpack.toml only has a major version match", func() {
it.Before(func() {
entry.Metadata["version"] = "2.1.7"
})
it("returns a compatible version", func() {
dependency, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).NotTo(HaveOccurred())
Expect(dependency).To(Equal(postal.Dependency{
ID: "dotnet-runtime",
Version: "2.2.4",
URI: "some-uri",
SHA256: "some-sha",
Stacks: []string{"some-stack"},
}))
})
})
context("the buildpack.toml does not have a version match", func() {
context("the requested version is a major version higher", func() {
it.Before(func() {
entry.Metadata["version"] = "3.0.0"
})
it("returns an error", func() {
_, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).To(MatchError(ContainSubstring(`failed to satisfy "dotnet-runtime" dependency for stack "some-stack" with version constraint "3.0.0": no compatible versions. Supported versions are: [1.2.2, 2.2.3, 2.2.4]`)))
Expect(err).NotTo(MatchError(ContainSubstring(`. This may be due to BP_DOTNET_ROLL_FORWARD=Disable`)))
})
})
context("the requested version is a minor version higher", func() {
it.Before(func() {
entry.Metadata["version"] = "2.3.0"
})
it("returns an error", func() {
_, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).To(MatchError(ContainSubstring(`failed to satisfy "dotnet-runtime" dependency for stack "some-stack" with version constraint "2.3.0": no compatible versions. Supported versions are: [1.2.2, 2.2.3, 2.2.4]`)))
})
})
context("the requested version is a patch version higher", func() {
it.Before(func() {
entry.Metadata["version"] = "2.2.5"
})
it("returns an error", func() {
_, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).To(MatchError(ContainSubstring(`failed to satisfy "dotnet-runtime" dependency for stack "some-stack" with version constraint "2.2.5": no compatible versions. Supported versions are: [1.2.2, 2.2.3, 2.2.4]`)))
})
})
})
context("the buildpack.toml does not have a dependency with a matching ID", func() {
it.Before(func() {
entry.Metadata["version"] = "2.2.3"
entry.Name = "random-ID"
})
it("returns an error", func() {
_, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).To(MatchError(ContainSubstring(`failed to satisfy "random-ID" dependency for stack "some-stack" with version constraint "2.2.3": no compatible versions. Supported versions are: []`)))
})
})
context("the buildpack.toml does not have a dependency with a matching stack", func() {
it.Before(func() {
entry.Metadata["version"] = "2.2.3"
})
it("returns an error", func() {
_, err := versionResolver.Resolve(buildpackToml, entry, "random-stack")
Expect(err).To(MatchError(ContainSubstring(`failed to satisfy "dotnet-runtime" dependency for stack "random-stack" with version constraint "2.2.3": no compatible versions. Supported versions are: []`)))
})
})
context("the version has a wildcard patch", func() {
it.Before(func() {
entry.Metadata["version"] = "2.1.*"
})
it("allows patch and minor version rollforward", func() {
dependency, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).NotTo(HaveOccurred())
Expect(dependency).To(Equal(postal.Dependency{
ID: "dotnet-runtime",
Version: "2.2.4",
URI: "some-uri",
SHA256: "some-sha",
Stacks: []string{"some-stack"},
}))
})
})
context("the version is empty", func() {
it("returns the default version", func() {
dependency, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).NotTo(HaveOccurred())
Expect(dependency).To(Equal(postal.Dependency{
ID: "dotnet-runtime",
Version: "1.2.2",
URI: "some-uri",
SHA256: "some-sha",
Stacks: []string{"some-stack"},
}))
})
})
context("the version is default", func() {
it.Before(func() {
entry.Metadata["version"] = "default"
})
it("returns the default version", func() {
dependency, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).NotTo(HaveOccurred())
Expect(dependency).To(Equal(postal.Dependency{
ID: "dotnet-runtime",
Version: "1.2.2",
URI: "some-uri",
SHA256: "some-sha",
Stacks: []string{"some-stack"},
}))
})
})
})
context("the version source is buildpack.yml", func() {
it.Before(func() {
entry.Metadata["version-source"] = "buildpack.yml"
})
context("the buildpack.toml only has a major minor version match", func() {
it.Before(func() {
entry.Metadata["version"] = "2.2.0"
})
it("returns an error", func() {
_, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).To(MatchError(ContainSubstring(`failed to satisfy "dotnet-runtime" dependency for stack "some-stack" with version constraint "2.2.0": no compatible versions. Supported versions are: [1.2.2, 2.2.3, 2.2.4]`)))
})
})
context("the version contains a `*`", func() {
it.Before(func() {
entry.Metadata["version"] = "2.2.*"
})
it("attempts to turn the given versions into the only constraint", func() {
dependency, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).NotTo(HaveOccurred())
Expect(dependency).To(Equal(postal.Dependency{
ID: "dotnet-runtime",
Version: "2.2.4",
URI: "some-uri",
SHA256: "some-sha",
Stacks: []string{"some-stack"},
}))
})
})
})
context("the version source is BP_DOTNET_FRAMEWORK_VERSION", func() {
it.Before(func() {
entry.Metadata["version-source"] = "BP_DOTNET_FRAMEWORK_VERSION"
})
context("the buildpack.toml only has a major minor version match", func() {
it.Before(func() {
entry.Metadata["version"] = "2.2.0"
})
it("returns an error", func() {
_, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).To(MatchError(ContainSubstring(`failed to satisfy "dotnet-runtime" dependency for stack "some-stack" with version constraint "2.2.0": no compatible versions. Supported versions are: [1.2.2, 2.2.3, 2.2.4]`)))
})
})
context("the version contains a `*`", func() {
it.Before(func() {
entry.Metadata["version"] = "2.2.*"
})
it("attempts to turn the given versions into the only constraint", func() {
dependency, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).NotTo(HaveOccurred())
Expect(dependency).To(Equal(postal.Dependency{
ID: "dotnet-runtime",
Version: "2.2.4",
URI: "some-uri",
SHA256: "some-sha",
Stacks: []string{"some-stack"},
}))
})
})
})
context("failure cases", func() {
context("the buildpack.toml cannot be parsed", func() {
it.Before(func() {
Expect(os.WriteFile(buildpackToml, []byte(`%%%`), 0600)).To(Succeed())
entry.Metadata["version"] = "2.2.3"
})
it("returns an error", func() {
_, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).To(MatchError(ContainSubstring("expected '.' or '=', but got '%' instead")))
})
})
context("the version is not semver compatible", func() {
it.Before(func() {
entry.Metadata["version"] = "invalid-version"
})
it("returns an error", func() {
_, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).To(MatchError(ContainSubstring("improper constraint")))
})
})
context("a buildpack.toml version is not semver compatible", func() {
it.Before(func() {
err := os.WriteFile(buildpackToml, []byte(`api = "0.2"
[buildpack]
id = "org.some-org.some-buildpack"
name = "Some Buildpack"
version = "some-version"
[metadata]
[[metadata.dependencies]]
id = "dotnet-runtime"
sha256 = "some-sha"
stacks = ["some-stack"]
uri = "some-uri"
version = "invalid-version"
[[metadata.dependencies]]
id = "dotnet-runtime"
sha256 = "some-sha"
stacks = ["some-stack"]
uri = "some-uri"
version = "2.2.4"
`), 0600)
Expect(err).NotTo(HaveOccurred())
entry.Metadata["version"] = "1.2.0"
})
it("returns an error", func() {
_, err := versionResolver.Resolve(buildpackToml, entry, "some-stack")
Expect(err).To(MatchError(ContainSubstring("Invalid Semantic Version")))
})
})
})
}