object: Add tests

1 files changed, 38 insertions, 0 deletions

diff --git a/object/commit_parse_test.go b/object/commit_parse_test.go
new file mode 100644
index 00000000..8d1f192d
--- /dev/null
+++ b/object/commit_parse_test.go
@@ -0,0 +1,38 @@
+package object_test
+
+import (
+	"bytes"
+	"testing"
+
+	"codeberg.org/lindenii/furgit/internal/testgit"
+	"codeberg.org/lindenii/furgit/object"
+	"codeberg.org/lindenii/furgit/oid"
+)
+
+func TestCommitParseFromGit(t *testing.T) {
+	testgit.ForEachAlgorithm(t, func(t *testing.T, algo oid.Algorithm) {
+		repo := testgit.NewBareRepo(t, algo)
+		_, treeID, 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)
+		}
+		if commit.Tree != treeID {
+			t.Fatalf("tree id mismatch: got %s want %s", commit.Tree, treeID)
+		}
+		if len(commit.Parents) != 0 {
+			t.Fatalf("parent count = %d, want 0", len(commit.Parents))
+		}
+		if !bytes.Equal(commit.Author.Name, []byte("Test Author")) {
+			t.Fatalf("author name = %q, want %q", commit.Author.Name, "Test Author")
+		}
+		if !bytes.Equal(commit.Committer.Name, []byte("Test Committer")) {
+			t.Fatalf("committer name = %q, want %q", commit.Committer.Name, "Test Committer")
+		}
+		if !bytes.Contains(commit.Message, []byte("subject")) {
+			t.Fatalf("commit message missing subject: %q", commit.Message)
+		}
+	})
+}