Rewrite reddit tests to pytest style tests (#41006)

* ✅ rewrite reddit tests to pytest tests

* ✅ add missing blocking

tests/components/reddit/test_sensor.py

@@ -1,6 +1,5 @@
 """The tests for the Reddit platform."""
 import copy
-import unittest
 
 from homeassistant.components.reddit.sensor import (
     ATTR_BODY,
@@ -22,10 +21,9 @@
     CONF_PASSWORD,
     CONF_USERNAME,
 )
-from homeassistant.setup import setup_component
+from homeassistant.setup import async_setup_component
 
 from tests.async_mock import patch
-from tests.common import get_test_home_assistant
 
 VALID_CONFIG = {
     "sensor": {
@@ -151,46 +149,36 @@ def _return_data(self, limit):
         return data["results"][:limit]
 
 
-class TestRedditSetup(unittest.TestCase):
-    """Test the Reddit platform."""
+@patch("praw.Reddit", new=MockPraw)
+async def test_setup_with_valid_config(hass):
+    """Test the platform setup with Reddit configuration."""
+    assert await async_setup_component(hass, "sensor", VALID_CONFIG)
+    await hass.async_block_till_done()
 
-    def setUp(self):
-        """Initialize values for this testcase class."""
-        self.hass = get_test_home_assistant()
-        self.addCleanup(self.tear_down_cleanup)
+    state = hass.states.get("sensor.reddit_worldnews")
+    assert int(state.state) == MOCK_RESULTS_LENGTH
 
-    def tear_down_cleanup(self):
-        """Stop everything that was started."""
-        self.hass.stop()
+    state = hass.states.get("sensor.reddit_news")
+    assert int(state.state) == MOCK_RESULTS_LENGTH
 
-    @patch("praw.Reddit", new=MockPraw)
-    def test_setup_with_valid_config(self):
-        """Test the platform setup with Reddit configuration."""
-        setup_component(self.hass, "sensor", VALID_CONFIG)
-        self.hass.block_till_done()
+    assert state.attributes[ATTR_SUBREDDIT] == "news"
 
-        state = self.hass.states.get("sensor.reddit_worldnews")
-        assert int(state.state) == MOCK_RESULTS_LENGTH
-
-        state = self.hass.states.get("sensor.reddit_news")
-        assert int(state.state) == MOCK_RESULTS_LENGTH
-
-        assert state.attributes[ATTR_SUBREDDIT] == "news"
+    assert state.attributes[ATTR_POSTS][0] == {
+        ATTR_ID: 0,
+        ATTR_URL: "http://example.com/1",
+        ATTR_TITLE: "example1",
+        ATTR_SCORE: "1",
+        ATTR_COMMENTS_NUMBER: "1",
+        ATTR_CREATED: "",
+        ATTR_BODY: "example1 selftext",
+    }
 
-        assert state.attributes[ATTR_POSTS][0] == {
-            ATTR_ID: 0,
-            ATTR_URL: "http://example.com/1",
-            ATTR_TITLE: "example1",
-            ATTR_SCORE: "1",
-            ATTR_COMMENTS_NUMBER: "1",
-            ATTR_CREATED: "",
-            ATTR_BODY: "example1 selftext",
-        }
+    assert state.attributes[CONF_SORT_BY] == "hot"
 
-        assert state.attributes[CONF_SORT_BY] == "hot"
 
-    @patch("praw.Reddit", new=MockPraw)
-    def test_setup_with_invalid_config(self):
-        """Test the platform setup with invalid Reddit configuration."""
-        setup_component(self.hass, "sensor", INVALID_SORT_BY_CONFIG)
-        assert not self.hass.states.get("sensor.reddit_worldnews")
+@patch("praw.Reddit", new=MockPraw)
+async def test_setup_with_invalid_config(hass):
+    """Test the platform setup with invalid Reddit configuration."""
+    assert await async_setup_component(hass, "sensor", INVALID_SORT_BY_CONFIG)
+    await hass.async_block_till_done()
+    assert not hass.states.get("sensor.reddit_worldnews")