Add script for generating instance repository (#130)

* Add script to generate the testing instance repo

* Add some documentations on testing

* Fix documentation

CONTRIBUTING.rst

@@ -69,11 +69,24 @@ from your development version:
 How to test the project
 -----------------------
 
-TBD
+You can manually test the generated integration with different tools implemented in Github workflows.
 
-At least you should ensure the integration generated is working in Home Assistant
+This template repository is linked to a generated `instance repository`_ for testing purpose.
+You can generate this instance by using the following command:
+
+.. parsed-literal::
+
+   $ ./scripts/gen_instance
+
+You will be able to use the GitHub workflow if you push the generated repository on GitHub.
+You can run pre-commit or pytest suite manually
+and you can ensure the integration generated is working in Home Assistant
 when launched by Visual Studio Code in a devcontainer.
 
+Plese refere to generated project ``CONTRIBUTING.rst`` file for detailed instructions on testing.
+
+.. _instance repository: https://github.com/oncleben31/cookiecutter-homeassistant-custom-component-instance
+
 How to submit changes
 ---------------------
 

scripts/gen_instance

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+# Generate instance project from template for testing on GitHub.
+
+# Stop on errors
+set -e
+
+cd "$(dirname "$0")/../.."
+
+cookiecutter -f cookiecutter-homeassistant-custom-component --config-file cookiecutter-homeassistant-custom-component/scripts/instance_settings.yaml --no-input

scripts/instance_settings.yaml

@@ -0,0 +1,8 @@
+default_context:
+  class_name_prefix: CcHaCci
+  domain_name: cc_ha_cci
+  friendly_name: Cookiecutter Home Assistant Custom Component Instance
+  github_user: oncleben31
+  project_name: cookiecutter-homeassistant-custom-component-instance
+  test_suite: yes
+  version: 0.0.0