object: Add tests

1 files changed, 31 insertions, 0 deletions

diff --git a/object/commit_serialize_test.go b/object/commit_serialize_test.go
new file mode 100644
index 00000000..3f6eb4aa
--- /dev/null
+++ b/object/commit_serialize_test.go
@@ -0,0 +1,31 @@
+package object_test
+
+import (
+	"testing"
+
+	"codeberg.org/lindenii/furgit/internal/testgit"
+	"codeberg.org/lindenii/furgit/object"
+	"codeberg.org/lindenii/furgit/oid"
+)
+
+func TestCommitSerialize(t *testing.T) {
+	testgit.ForEachAlgorithm(t, func(t *testing.T, algo oid.Algorithm) {
+		repo := testgit.NewBareRepo(t, algo)
+		_, _, commitID := repo.MakeCommit(t, "subject\n\nbody")
+
+		rawBody := repo.CatFile(t, "commit", commitID)
+		commit, err := object.ParseCommit(rawBody, algo)
+		if err != nil {
+			t.Fatalf("ParseCommit: %v", err)
+		}
+
+		rawObj, err := commit.Serialize()
+		if err != nil {
+			t.Fatalf("Serialize: %v", err)
+		}
+		gotID := algo.Sum(rawObj)
+		if gotID != commitID {
+			t.Fatalf("commit id mismatch: got %s want %s", gotID, commitID)
+		}
+	})
+}