Add some cli tests

pyproject.toml

@@ -56,7 +56,6 @@ test = [
 twitch-dl = "twitchdl.cli:cli"
 
 [tool.pyright]
-include = ["twitchdl"]
 typeCheckingMode = "strict"
 pythonVersion = "3.8"
 

tests/test_cli.py

@@ -0,0 +1,69 @@
+import json
+
+import pytest
+from click.testing import CliRunner, Result
+
+from twitchdl import cli
+
+
+@pytest.fixture(scope="session")
+def runner():
+    return CliRunner(mix_stderr=False)
+
+
+def assert_ok(result: Result):
+    if result.exit_code != 0:
+        raise AssertionError(
+            f"Command failed with exit code {result.exit_code}\nStderr: {result.stderr}"
+        )
+
+
+def test_info_video(runner: CliRunner):
+    result = runner.invoke(cli.info, ["2090131595"])
+    assert_ok(result)
+
+    assert "Frost Fatales 2024 Day 1" in result.stdout
+    assert "frozenflygone playing Tomb Raider" in result.stdout
+
+
+def test_info_video_json(runner: CliRunner):
+    result = runner.invoke(cli.info, ["2090131595", "--json"])
+    assert_ok(result)
+
+    video = json.loads(result.stdout)
+    assert video["title"] == "Frost Fatales 2024 Day 1"
+    assert video["game"] == {"id": "2770", "name": "Tomb Raider"}
+    assert video["creator"] == {"login": "frozenflygone", "displayName": "frozenflygone"}
+
+
+def test_info_clip(runner: CliRunner):
+    result = runner.invoke(cli.info, ["PoisedTalentedPuddingChefFrank"])
+    assert_ok(result)
+
+    assert "AGDQ Crashes during Bioshock run" in result.stdout
+    assert "GamesDoneQuick playing BioShock" in result.stdout
+
+
+def test_info_clip_json(runner: CliRunner):
+    result = runner.invoke(cli.info, ["PoisedTalentedPuddingChefFrank", "--json"])
+    assert_ok(result)
+
+    clip = json.loads(result.stdout)
+    assert clip["slug"] == "PoisedTalentedPuddingChefFrank"
+    assert clip["title"] == "AGDQ Crashes during Bioshock run"
+    assert clip["game"] == {"id": "15866", "name": "BioShock"}
+    assert clip["broadcaster"] == {"displayName": "GamesDoneQuick", "login": "gamesdonequick"}
+
+
+def test_info_not_found(runner: CliRunner):
+    result = runner.invoke(cli.info, ["banana"])
+    assert result.exit_code == 1
+    assert "Clip banana not found" in result.stderr
+
+    result = runner.invoke(cli.info, ["12345"])
+    assert result.exit_code == 1
+    assert "Video 12345 not found" in result.stderr
+
+    result = runner.invoke(cli.info, [""])
+    assert result.exit_code == 1
+    assert "Invalid input" in result.stderr