Update test style

tests/great_ai/test_async_starters.py

@@ -0,0 +1,62 @@
+from asyncio import sleep
+
+import pytest
+
+from great_ai import (
+    ArgumentValidationError,
+    GreatAI,
+    WrongDecoratorOrderError,
+    parameter,
+)
+
+
+@pytest.mark.asyncio
+async def test_create_trivial_cases() -> None:
+    @GreatAI.create
+    async def hello_world_1(name: str) -> str:
+        await sleep(0.5)
+        return f"Hello {name}!"
+
+    assert (await hello_world_1("andras").output) == "Hello andras!"
+
+    @GreatAI.create
+    async def hello_world_2(name: str) -> str:
+        await sleep(0.5)
+        return f"Hello {name}!"
+
+    assert (await hello_world_2("andras").output) == "Hello andras!"
+
+    @GreatAI.create()
+    async def hello_world_3(name: str) -> str:
+        await sleep(0.5)
+        return f"Hello {name}!"
+
+    assert (await hello_world_3("andras").output) == "Hello andras!"
+
+    @GreatAI.create()
+    async def hello_world_4(name):
+        await sleep(0.5)
+        return f"Hello {name}!"
+
+    assert (await hello_world_4("andras").output) == "Hello andras!"
+
+
+@pytest.mark.asyncio
+async def test_with_parameter() -> None:
+    @GreatAI.create
+    @parameter("name", validator=lambda v: len(v) > 5)
+    async def hello_world(name: str) -> str:
+        await sleep(0.5)
+        return f"Hello {name}!"
+
+    assert (await hello_world("andras").output) == "Hello andras!"
+
+    with pytest.raises(ArgumentValidationError):
+        await hello_world("short")
+
+    with pytest.raises(WrongDecoratorOrderError):
+
+        @parameter("name", validator=lambda v: len(v) > 5)
+        @GreatAI.create
+        def hello_world(name: str) -> str:
+            return f"Hello {name}!"