Remotion Video Generator

"""Tests for Mosaic template generation.""" from tests.components.conftest import ( assert_has_interface, assert_has_timing_props, assert_has_visibility_check, assert_valid_typescript, ) class TestMosaicBasic: """Basic Mosaic generation tests.""" def test_basic_generation(self, component_builder, theme_name): """Test basic Mosaic generation.""" tsx = component_builder.build_component("Mosaic", {}, theme_name) assert tsx is not None assert "Mosaic" in tsx assert_valid_typescript(tsx) assert_has_interface(tsx, "Mosaic") assert_has_timing_props(tsx) assert_has_visibility_check(tsx) class TestMosaicBuilderMethod: """Tests for Mosaic builder method.""" def test_add_to_composition_basic(self): """Test add_to_composition creates ComponentInstance.""" from chuk_motion.components.layouts.Mosaic.builder import add_to_composition from chuk_motion.generator.composition_builder import CompositionBuilder builder = CompositionBuilder() result = add_to_composition(builder, start_time=0.0) assert result is builder assert len(builder.components) == 1 assert builder.components[0].component_type == "Mosaic" def test_add_to_composition_all_props(self): """Test all props are set correctly.""" from chuk_motion.components.layouts.Mosaic.builder import add_to_composition from chuk_motion.generator.composition_builder import CompositionBuilder builder = CompositionBuilder() test_clips = [{"id": "clip1"}, {"id": "clip2"}] add_to_composition( builder, start_time=1.0, clips=test_clips, style="grid", gap=15.0, padding=50.0, duration=10.0, ) props = builder.components[0].props assert props["clips"] == test_clips assert props["style"] == "grid" assert props["gap"] == 15.0 assert props["padding"] == 50.0 def test_add_to_composition_timing(self): """Test add_to_composition handles timing correctly.""" from chuk_motion.components.layouts.Mosaic.builder import add_to_composition from chuk_motion.generator.composition_builder import CompositionBuilder builder = CompositionBuilder(fps=30) add_to_composition(builder, start_time=2.0, duration=5.0) component = builder.components[0] assert component.start_frame == 60 assert component.duration_frames == 150 class TestMosaicToolRegistration: """Tests for Mosaic MCP tool registration.""" def test_register_tool(self): """Test tool registration.""" from unittest.mock import Mock from chuk_motion.components.layouts.Mosaic.tool import register_tool mcp_mock = Mock() pm_mock = Mock() register_tool(mcp_mock, pm_mock) mcp_mock.tool.assert_called_once() def test_tool_execution(self): """Test tool execution.""" import asyncio import json from unittest.mock import Mock from chuk_motion.components.layouts.Mosaic.tool import register_tool # Mock ProjectManager with current_timeline pm_mock = Mock() timeline_mock = Mock() component_mock = Mock() component_mock.start_frame = 0 timeline_mock.add_component = Mock(return_value=component_mock) timeline_mock.frames_to_seconds = Mock(return_value=0.0) pm_mock.current_timeline = timeline_mock mcp_mock = Mock() register_tool(mcp_mock, pm_mock) tool_func = mcp_mock.tool.call_args[0][0] result = asyncio.run(tool_func()) result_data = json.loads(result) assert result_data["component"] == "Mosaic" # Verify component was added timeline_mock.add_component.assert_called_once() def test_tool_execution_no_project(self): """Test tool execution without active project.""" import asyncio import json from unittest.mock import Mock from chuk_motion.components.layouts.Mosaic.tool import register_tool # Mock ProjectManager with no current_timeline pm_mock = Mock() pm_mock.current_timeline = None mcp_mock = Mock() register_tool(mcp_mock, pm_mock) tool_func = mcp_mock.tool.call_args[0][0] result = asyncio.run(tool_func()) result_data = json.loads(result) assert "error" in result_data def test_tool_execution_error_handling(self): """Test tool handles errors gracefully.""" import asyncio import json from unittest.mock import Mock from chuk_motion.components.layouts.Mosaic.tool import register_tool # Mock ProjectManager with timeline that raises an error pm_mock = Mock() timeline_mock = Mock() timeline_mock.add_component = Mock(side_effect=Exception("Test error")) pm_mock.current_timeline = timeline_mock mcp_mock = Mock() register_tool(mcp_mock, pm_mock) tool_func = mcp_mock.tool.call_args[0][0] result = asyncio.run(tool_func()) result_data = json.loads(result) assert "error" in result_data def test_tool_json_parsing_error(self): """Test tool handles JSON parsing errors.""" import asyncio import json from unittest.mock import Mock from chuk_motion.components.layouts.Mosaic.tool import register_tool # Mock ProjectManager with current_timeline pm_mock = Mock() timeline_mock = Mock() pm_mock.current_timeline = timeline_mock mcp_mock = Mock() register_tool(mcp_mock, pm_mock) tool_func = mcp_mock.tool.call_args[0][0] # Test with invalid JSON result = asyncio.run(tool_func(clips="invalid json {")) result_data = json.loads(result) assert "error" in result_data assert "Invalid" in result_data["error"] def test_tool_execution_clips_not_list(self): """Test tool execution when clips is not a list.""" import asyncio import json from unittest.mock import Mock from chuk_motion.components.layouts.Mosaic.tool import register_tool # Mock ProjectManager with current_timeline pm_mock = Mock() timeline_mock = Mock() component_mock = Mock() component_mock.start_frame = 0 timeline_mock.add_component = Mock(return_value=component_mock) timeline_mock.frames_to_seconds = Mock(return_value=0.0) pm_mock.current_timeline = timeline_mock mcp_mock = Mock() register_tool(mcp_mock, pm_mock) tool_func = mcp_mock.tool.call_args[0][0] # Test with clips as a dict, not a list clips_json = json.dumps({"not": "a list"}) result = asyncio.run(tool_func(clips=clips_json)) result_data = json.loads(result) assert result_data["component"] == "Mosaic" timeline_mock.add_component.assert_called_once() def test_tool_execution_clips_with_none_items(self): """Test tool execution when some clip items parse to None.""" import asyncio import json from unittest.mock import Mock from chuk_motion.components.layouts.Mosaic.tool import register_tool # Mock ProjectManager with current_timeline pm_mock = Mock() timeline_mock = Mock() component_mock = Mock() component_mock.start_frame = 0 timeline_mock.add_component = Mock(return_value=component_mock) timeline_mock.frames_to_seconds = Mock(return_value=0.0) pm_mock.current_timeline = timeline_mock mcp_mock = Mock() register_tool(mcp_mock, pm_mock) tool_func = mcp_mock.tool.call_args[0][0] # Test with clips that include items without 'type' (will parse to non-ComponentInstance) clips_json = json.dumps( [ {"type": "CodeBlock", "config": {"code": "Valid"}}, {"config": {"code": "Invalid - no type"}}, # This won't become a ComponentInstance None, # This will also not become a ComponentInstance ] ) result = asyncio.run(tool_func(clips=clips_json)) result_data = json.loads(result) assert result_data["component"] == "Mosaic" timeline_mock.add_component.assert_called_once()