Add erb support

tests/test_cli.py

@@ -132,3 +132,57 @@ def test_cli_folder_single_output_file_when_one_format(tmp_path):
     assert defaults_path.is_file()
     assert template_path.is_file()
     assert "to_json" in template_path.read_text(encoding="utf-8")
+
+
+def test_cli_erb_outputs_puppet_hiera_and_erb_template(tmp_path):
+    cfg = tmp_path / "app.ini"
+    cfg.write_text("[main]\nport = 8080\n", encoding="utf-8")
+    data_out = tmp_path / "common.yaml"
+    template_out = tmp_path / "app.ini.erb"
+
+    exit_code = cli._main(
+        [
+            str(cfg),
+            "-r",
+            "php",
+            "--template-engine",
+            "erb",
+            "--defaults-output",
+            str(data_out),
+            "--template-output",
+            str(template_out),
+        ]
+    )
+
+    assert exit_code == 0
+    assert "php::main_port: '8080'" in data_out.read_text(encoding="utf-8")
+    assert "port = <%= @main_port %>" in template_out.read_text(encoding="utf-8")
+
+
+def test_cli_erb_can_use_separate_puppet_class_namespace(tmp_path):
+    cfg = tmp_path / "app.ini"
+    cfg.write_text("[main]\nport = 8080\n", encoding="utf-8")
+    data_out = tmp_path / "node.yaml"
+    template_out = tmp_path / "app.ini.erb"
+
+    exit_code = cli._main(
+        [
+            str(cfg),
+            "-r",
+            "php_etc_app_ini",
+            "--template-engine",
+            "erb",
+            "--puppet-class",
+            "php",
+            "--defaults-output",
+            str(data_out),
+            "--template-output",
+            str(template_out),
+        ]
+    )
+
+    assert exit_code == 0
+    data = data_out.read_text(encoding="utf-8")
+    template = template_out.read_text(encoding="utf-8")
+    assert "php::php_etc_app_ini_main_port: '8080'" in data
+    assert "port = <%= @php_etc_app_ini_main_port %>" in template