From 7ff8352af98c1cd54c6ccefb9c61fc7aa6932527 Mon Sep 17 00:00:00 2001
From: sha1n <sha1n@users.noreply.github.com>
Date: Sat, 17 Jan 2026 00:19:56 +0200
Subject: [PATCH] feat: add Row() getter to MatrixCellID

---
 matrix.go       |  5 +++++
 matrix_test.go  |  1 +
 spinner_test.go | 17 +++++++++++++++++
 3 files changed, 23 insertions(+)

diff --git a/matrix.go b/matrix.go
index d78bb07..7fe724b 100644
--- a/matrix.go
+++ b/matrix.go
@@ -45,6 +45,11 @@ type MatrixCellID struct {
 	row int
 }
 
+// Row returns the row index associated with this ID
+func (id MatrixCellID) Row() int {
+	return id.row
+}
+
 // MatrixRow an accessor to a line in a Matrix structure
 // Line feed and return characters are trimmed from written strings to prevent breaking the layout of the matrix.
 type MatrixRow interface {
diff --git a/matrix_test.go b/matrix_test.go
index f58a041..d387d4b 100644
--- a/matrix_test.go
+++ b/matrix_test.go
@@ -96,6 +96,7 @@ func TestMatrixGetRowByID(t *testing.T) {
 
 	assert.NoError(t, err)
 	assert.Equal(t, aRow, fetchedRow)
+	assert.Equal(t, 1, fetchedRow.ID().Row())
 }
 
 func TestMatrixGetRowByIdWithInvalidRange(t *testing.T) {
diff --git a/spinner_test.go b/spinner_test.go
index 9878fd2..4dd1579 100644
--- a/spinner_test.go
+++ b/spinner_test.go
@@ -47,6 +47,23 @@ func TestSpinnerCancellation(t *testing.T) {
 	assertStoppedEventually(t, probedWriter, spin.(*spinner))
 }
 
+func TestSpinnerBuilder(t *testing.T) {
+	expectedTitle := test.RandomString()
+	expectedInterval := time.Millisecond * 123
+	emulatedStdout := new(bytes.Buffer)
+
+	spin := NewSpinnerBuilder().
+		WithWriter(emulatedStdout).
+		WithTitle(expectedTitle).
+		WithInterval(expectedInterval).
+		Build()
+
+	s := spin.(*spinner)
+	assert.Equal(t, emulatedStdout, s.writer)
+	assert.Equal(t, expectedTitle, s.title)
+	assert.Equal(t, expectedInterval, s.interval)
+}
+
 func TestSpinnerTitles(t *testing.T) {
 	t.Run("InitialTitle", func(t *testing.T) {
 		expectedTitle := test.RandomString()