*: Add more tests

1 files changed, 41 insertions, 0 deletions

diff --git a/object/commit_parse_test.go b/object/commit_parse_test.go
index f01052ac..a29ab1fa 100644
--- a/object/commit_parse_test.go
+++ b/object/commit_parse_test.go
@@ -2,6 +2,7 @@ package object_test
 
 import (
 	"bytes"
+	"fmt"
 	"testing"
 
 	"codeberg.org/lindenii/furgit/internal/testgit"
@@ -37,3 +38,43 @@ func TestCommitParseFromGit(t *testing.T) {
 		}
 	})
 }
+
+func TestCommitParseMultipleParents(t *testing.T) {
+	t.Parallel()
+	testgit.ForEachAlgorithm(t, func(t *testing.T, algo objectid.Algorithm) { //nolint:thelper
+		testRepo := testgit.NewRepo(t, testgit.RepoOptions{ObjectFormat: algo, Bare: true})
+
+		_, treeID := testRepo.MakeSingleFileTree(t, "file.txt", []byte("merge-content\n"))
+		parent1 := testRepo.CommitTree(t, treeID, "parent-one")
+		parent2 := testRepo.CommitTree(t, treeID, "parent-two", parent1)
+
+		rawCommit := fmt.Sprintf(
+			"tree %s\nparent %s\nparent %s\nauthor Test Author <test@example.org> 1234567890 +0000\ncommitter Test Committer <committer@example.org> 1234567890 +0000\n\nMerge commit\n",
+			treeID,
+			parent1,
+			parent2,
+		)
+		mergeID := testRepo.HashObject(t, "commit", []byte(rawCommit))
+		rawBody := testRepo.CatFile(t, "commit", mergeID)
+
+		commit, err := object.ParseCommit(rawBody, algo)
+		if err != nil {
+			t.Fatalf("ParseCommit(merge): %v", err)
+		}
+		if commit.Tree != treeID {
+			t.Fatalf("merge tree = %s, want %s", commit.Tree, treeID)
+		}
+		if len(commit.Parents) != 2 {
+			t.Fatalf("merge parent count = %d, want 2", len(commit.Parents))
+		}
+		if commit.Parents[0] != parent1 {
+			t.Fatalf("merge parent[0] = %s, want %s", commit.Parents[0], parent1)
+		}
+		if commit.Parents[1] != parent2 {
+			t.Fatalf("merge parent[1] = %s, want %s", commit.Parents[1], parent2)
+		}
+		if !bytes.Equal(commit.Message, []byte("Merge commit\n")) {
+			t.Fatalf("merge message = %q, want %q", commit.Message, "Merge commit\n")
+		}
+	})
+}