# Generated by CodiumAI

import pytest

class TestCodeUnderTest:

    # Posthog instance is created successfully
    def test_posthog_instance_created_successfully(self):
        from unittest.mock import MagicMock
    
        # Mock the Posthog class
        posthog_mock = MagicMock()
    
        # Create an instance of the Posthog class
        posthog_instance = posthog_mock(
            project_api_key="phc_Gz6XxldNZIkzW7QnSTGr5HZ28OAYPIfpE7X5A3vUsfO",
            host="https://app.posthog.com",
        )
    
        # Assert that the Posthog instance was created successfully
        assert isinstance(posthog_instance, posthog_mock)

    # Project API key and host are correctly set
    def test_project_api_key_and_host_correctly_set(self):
        from unittest.mock import MagicMock
    
        # Mock the Posthog class
        posthog_mock = MagicMock()
    
        # Create an instance of the Posthog class
        posthog_instance = posthog_mock(
            project_api_key="phc_Gz6XxldNZIkzW7QnSTGr5HZ28OAYPIfpE7X5A3vUsfO",
            host="https://app.posthog.com",
        )
    
        # Assert that the project API key and host are correctly set
        assert posthog_instance.project_api_key == "phc_Gz6XxldNZIkzW7QnSTGr5HZ28OAYPIfpE7X5A3vUsfO"
        assert posthog_instance.host == "https://app.posthog.com"

    # Invalid project API key raises an error
    def test_invalid_project_api_key_raises_error(self):
        from unittest.mock import MagicMock
    
        # Mock the Posthog class
        posthog_mock = MagicMock()
    
        # Create an instance of the Posthog class with an invalid project API key
        with pytest.raises(Exception):
            posthog_instance = posthog_mock(
                project_api_key="invalid_api_key",
                host="https://app.posthog.com",
            )

    # Invalid host raises an error
    def test_invalid_host_raises_error(self):
        from unittest.mock import MagicMock
    
        # Mock the Posthog class
        posthog_mock = MagicMock()
    
        # Create an instance of the Posthog class with an invalid host
        with pytest.raises(Exception):
            posthog_instance = posthog_mock(
                project_api_key="phc_Gz6XxldNZIkzW7QnSTGr5HZ28OAYPIfpE7X5A3vUsfO",
                host="invalid_host",
            )

    # Posthog instance can be created with different project API keys and hosts
    def test_posthog_instance_created_with_different_api_keys_and_hosts(self):
        from unittest.mock import MagicMock
    
        # Mock the Posthog class
        posthog_mock = MagicMock()
    
        # Create an instance of the Posthog class with different project API keys and hosts
        posthog_instance_1 = posthog_mock(
            project_api_key="phc_Gz6XxldNZIkzW7QnSTGr5HZ28OAYPIfpE7X5A3vUsfO",
            host="https://app.posthog.com",
        )
        posthog_instance_2 = posthog_mock(
            project_api_key="phc_1234567890",
            host="https://example.com",
        )
    
        # Assert that the Posthog instances were created successfully
        assert isinstance(posthog_instance_1, posthog_mock)
        assert isinstance(posthog_instance_2, posthog_mock)

    # Posthog instance can be created without specifying a project API key or host
    def test_posthog_instance_created_without_api_key_or_host(self):
        from unittest.mock import MagicMock
    
        # Mock the Posthog class
        posthog_mock = MagicMock()
    
        # Create an instance of the Posthog class without specifying a project API key or host
        posthog_instance = posthog_mock()
    
        # Assert that the Posthog instance was created successfully
        assert isinstance(posthog_instance, posthog_mock)