75 lines
2.0 KiB
Go
75 lines
2.0 KiB
Go
package main
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import (
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"os"
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"path/filepath"
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"reflect"
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"testing"
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)
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func catalogue(t *testing.T, manifests map[string]string) string {
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t.Helper()
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root := t.TempDir()
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for name, body := range manifests {
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dir := filepath.Join(root, "modules", name)
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if err := os.MkdirAll(dir, 0o755); err != nil {
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t.Fatal(err)
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}
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if err := os.WriteFile(filepath.Join(dir, "module.json"), []byte(body), 0o644); err != nil {
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t.Fatal(err)
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}
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}
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return root
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}
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const buildah = `{"module":"buildah","provides":[{"name":"rootless-image-build","reach":"machine"}]}`
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func TestOnlyBuildahProvidesTheRootlessImageBuild(t *testing.T) {
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root := catalogue(t, map[string]string{"buildah": buildah, "go": `{"module":"go","provides":[{"name":"go-toolchain"}]}`})
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got, err := Check(root)
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if err != nil {
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t.Fatal(err)
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}
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if len(got) != 0 {
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t.Errorf("found %v, want none", got)
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}
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}
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func TestDockerAndAnySecondProviderAreRefused(t *testing.T) {
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root := catalogue(t, map[string]string{
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"buildah": buildah,
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"docker": `{"module":"docker","provides":[{"name":"rootless-image-build"}]}`,
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"other": `{"module":"other","provides":[{"name":"x"},{"name":"rootless-image-build"}]}`,
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})
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got, err := Check(root)
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if err != nil {
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t.Fatal(err)
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}
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want := []Finding{{Module: "docker"}, {Module: "other"}}
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if !reflect.DeepEqual(got, want) {
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t.Errorf("found %v, want %v", got, want)
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}
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}
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func TestBuildahMustProvideIt(t *testing.T) {
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root := catalogue(t, map[string]string{"buildah": `{"module":"buildah"}`})
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got, err := Check(root)
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if err != nil {
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t.Fatal(err)
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}
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if want := []Finding{{Module: "buildah"}}; !reflect.DeepEqual(got, want) {
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t.Errorf("found %v, want %v", got, want)
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}
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}
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// The catalogue as it stands: this is the check itself, run here too.
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func TestTheCatalogueGivesTheProvisionToBuildahAlone(t *testing.T) {
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got, err := Check("../..")
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if err != nil {
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t.Fatal(err)
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}
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if len(got) != 0 {
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t.Errorf("the catalogue's providers of rootless-image-build are wrong: %v", got)
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}
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}
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