Add unit tests (#133)

* Add initial test & add pipeline

* Add very basic YAML config tests

* Add coverage reporting

* Add some webserver & template loading tests

* Add test cases for the helpers

* Implement initial OIDC server tests

* Test codestore & discovery checker

* Test basics of the config flow

* Add test for the HA auth provider

* Cleaned up tests & test injection

tests/test_hass_yaml_init.py

@@ -0,0 +1,93 @@
+"""Tests for the YAML config setup of OIDC"""
+
+import pytest
+
+from homeassistant.core import HomeAssistant
+from homeassistant.setup import async_setup_component
+
+from custom_components.auth_oidc import DOMAIN
+from custom_components.auth_oidc.config.const import ADDITIONAL_SCOPES
+
+
+async def setup(hass: HomeAssistant, config: dict, expect_success: bool) -> bool:
+    """Set up the auth_oidc component."""
+    result = await async_setup_component(hass, DOMAIN, {DOMAIN: config})
+
+    if expect_success:
+        assert result
+        assert DOMAIN in hass.data
+
+
+@pytest.mark.asyncio
+async def test_setup_success_yaml(hass: HomeAssistant):
+    """Test successful setup of a YAML configuration."""
+    await setup(
+        hass,
+        {
+            "client_id": "dummy",
+            "discovery_url": "https://example.com/.well-known/openid-configuration",
+        },
+        True,
+    )
+
+
+@pytest.mark.asyncio
+async def test_setup_success_yaml_with_optional(hass: HomeAssistant):
+    """Test successful setup of a YAML configuration with optional parameters."""
+    await setup(
+        hass,
+        {
+            "client_id": "dummy",
+            "discovery_url": "https://example.com/.well-known/openid-configuration",
+            ADDITIONAL_SCOPES: "email phone",
+        },
+        True,
+    )
+
+
+@pytest.mark.asyncio
+async def test_setup_failure_empty_yaml(hass: HomeAssistant, caplog):
+    """Test failure setup of an empty YAML configuration."""
+    await setup(hass, {}, False)
+
+    assert "required key 'client_id' not provided" in caplog.text
+    assert "required key 'discovery_url' not provided" in caplog.text
+    assert (
+        "Setup failed for custom integration 'auth_oidc': Invalid config."
+        in caplog.text
+    )
+
+
+@pytest.mark.asyncio
+async def test_setup_failure_partial_empty_yaml_discovery(hass: HomeAssistant, caplog):
+    """Test failure setup of an partial YAML configuration."""
+    await setup(
+        hass,
+        {"discovery_url": "https://example.com/.well-known/openid-configuration"},
+        False,
+    )
+
+    assert "required key 'client_id' not provided" in caplog.text
+    assert "required key 'discovery_url' not provided" not in caplog.text
+    assert (
+        "Setup failed for custom integration 'auth_oidc': Invalid config."
+        in caplog.text
+    )
+
+
+@pytest.mark.asyncio
+async def test_setup_failure_partial_empty_yaml_client(hass: HomeAssistant, caplog):
+    """Test failure setup of an partial YAML configuration."""
+
+    await setup(
+        hass,
+        {"client_id": "test"},
+        False,
+    )
+
+    assert "required key 'client_id' not provided" not in caplog.text
+    assert "required key 'discovery_url' not provided" in caplog.text
+    assert (
+        "Setup failed for custom integration 'auth_oidc': Invalid config."
+        in caplog.text
+    )