Add test for TermRenderer

gold_test.go

@@ -0,0 +1,35 @@
+package gold
+
+import (
+	"io/ioutil"
+	"testing"
+
+	"github.com/charmbracelet/gold/ansi"
+)
+
+func TestTermRenderer(t *testing.T) {
+	r, err := NewTermRenderer("notty", ansi.Options{
+		WordWrap: 80,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	expLen := 166
+	_, err = r.Write([]byte("# Test"))
+	if err != nil {
+		t.Error(err)
+	}
+	err = r.Close()
+	if err != nil {
+		t.Error(err)
+	}
+
+	b, err := ioutil.ReadAll(r)
+	if err != nil {
+		t.Error(err)
+	}
+	if len(b) != expLen {
+		t.Errorf("Expected rendered content with a length of %d, got %d!", expLen, len(b))
+	}
+}