From 1f9ef7b8d13aace9f899dbabe36b135874f99ab1 Mon Sep 17 00:00:00 2001
From: Ilya Dmitrichenko <errordeveloper@gmail.com>
Date: Thu, 4 Jul 2024 12:19:31 +0100
Subject: [PATCH] WIP

---
 attest/vcs_test.go | 43 +++++++++++++++++++++++++++++++++++++++----
 1 file changed, 39 insertions(+), 4 deletions(-)

diff --git a/attest/vcs_test.go b/attest/vcs_test.go
index 8ad8667..ccadbb7 100644
--- a/attest/vcs_test.go
+++ b/attest/vcs_test.go
@@ -10,12 +10,14 @@ import (
 
 	gogit "github.com/go-git/go-git/v5"
 	"github.com/go-git/go-git/v5/plumbing"
+	"github.com/google/go-containerregistry/pkg/name"
 
 	. "github.com/onsi/gomega"
 
 	. "github.com/errordeveloper/tape/attest"
 	"github.com/errordeveloper/tape/manifest/imagescanner"
 	"github.com/errordeveloper/tape/manifest/loader"
+	"github.com/errordeveloper/tape/oci"
 )
 
 type vcsTestCase struct {
@@ -24,6 +26,7 @@ type vcsTestCase struct {
 	CheckoutHash string
 	Branch       string
 	LoadPath     string
+	ExpectTags   []string
 }
 
 func (tc vcsTestCase) Name() string {
@@ -40,12 +43,21 @@ func TestVCS(t *testing.T) {
 			URL:         "https://github.com/stefanprodan/podinfo",
 			CheckoutTag: "6.7.0", // => 0b1481aa8ed0a6c34af84f779824a74200d5c1d6
 			LoadPath:    "kustomize",
+			ExpectTags:  []string{"6.7.0"},
 		},
 		{
 			URL:          "https://github.com/stefanprodan/podinfo",
 			CheckoutHash: "0b1481aa8ed0a6c34af84f779824a74200d5c1d6", // => 6.7.0
 			Branch:       "master",
 			LoadPath:     "kustomize",
+			ExpectTags:   []string{"6.7.0"},
+		},
+		{
+			URL:          "https://github.com/stefanprodan/podinfo",
+			CheckoutHash: "ba6f4ffd7cba98ea2ef52bee7c1bead8e1d6a7d3", // pre-6.7.0
+			Branch:       "master",
+			LoadPath:     "kustomize",
+			ExpectTags:   nil,
 		},
 	}
 
@@ -62,7 +74,8 @@ func makeVCSTest(repos *repos, tc vcsTestCase) func(t *testing.T) {
 	return func(t *testing.T) {
 		g := NewWithT(t)
 
-		checkoutPath, err := repos.clone(context.Background(), tc)
+		ctx := context.Background()
+		checkoutPath, err := repos.clone(ctx, tc)
 		g.Expect(err).NotTo(HaveOccurred())
 
 		loadPath := filepath.Join(checkoutPath, tc.LoadPath)
@@ -77,14 +90,37 @@ func makeVCSTest(repos *repos, tc vcsTestCase) func(t *testing.T) {
 		scanner := imagescanner.NewDefaultImageScanner()
 		scanner.WithProvinanceAttestor(attreg)
 
+		g.Expect(loader.Paths()).To(HaveLen(4))
+
+		g.Expect(scanner.Scan(loader.RelPaths())).To(Succeed())
+
+		collection, err := attreg.MakePathCheckSummarySummaryCollection()
+		g.Expect(err).NotTo(HaveOccurred())
+		g.Expect(collection).ToNot(BeNil())
+		g.Expect(collection.Providers).To(ConsistOf("git"))
+		g.Expect(collection.EntryGroups).To(HaveLen(1))
+		g.Expect(collection.EntryGroups[0]).To(HaveLen(5))
+
 		vcsSummary := attreg.BaseDirSummary()
 		g.Expect(vcsSummary).ToNot(BeNil())
 		summaryJSON, err := json.Marshal(vcsSummary.Full())
 		g.Expect(err).NotTo(HaveOccurred())
 		t.Logf("VCS info for %q: %s", tc.LoadPath, summaryJSON)
 
+		g.Expect(attreg.AssociateCoreStatements()).To(Succeed())
+
 		statements := attreg.GetStatements()
-		g.Expect(statements).To(HaveLen(99))
+		g.Expect(statements).To(HaveLen(1))
+		g.Expect(statements[0].GetSubject()).To(HaveLen(4))
+
+		// TODO: validate schema
+
+		image, err := name.NewRepository("podinfo")
+		g.Expect(err).NotTo(HaveOccurred())
+
+		semVerTags := oci.SemVerTagsFromAttestations(ctx, image.Tag("test.123456"), statements...)
+
+		g.Expect(semVerTags).To(HaveLen(len(tc.ExpectTags)))
 	}
 }
 
@@ -100,7 +136,7 @@ func (r *repos) init() error {
 		return err
 	}
 	r.workDir = workDir
-	tempDir, err := os.MkdirTemp(workDir, ".vcs-test-*")
+	tempDir, err := os.MkdirTemp("", ".vcs-test-*")
 	if err != nil {
 		return err
 	}
@@ -164,7 +200,6 @@ func (r *repos) clone(ctx context.Context, tc vcsTestCase) (string, error) {
 		}
 		opts := &gogit.CheckoutOptions{
 			Hash: plumbing.NewHash(tc.CheckoutHash),
-			//Branch: plumbing.ReferenceName(tc.Branch),
 		}
 
 		if err := workTree.Checkout(opts); err != nil {