Remotion Video Generator

# chuk-motion/src/chuk_motion/components/overlays/TextOverlay/test_text_overlay.py """ Tests for TextOverlay template generation. """ from tests.components.conftest import ( assert_has_interface, assert_has_timing_props, assert_valid_typescript, ) class TestTextOverlayBasic: """Basic TextOverlay generation tests.""" def test_basic_generation(self, component_builder, theme_name): """Test basic TextOverlay generation with all props.""" tsx = component_builder.build_component( "TextOverlay", {"text": "Test Text", "start_time": 0.0, "duration": 3.0}, theme_name ) assert tsx is not None assert "TextOverlay" in tsx assert_valid_typescript(tsx) assert_has_interface(tsx, "TextOverlay") assert_has_timing_props(tsx) def test_minimal_props(self, component_builder, theme_name): """Test TextOverlay with minimal props.""" tsx = component_builder.build_component("TextOverlay", {}, theme_name) assert tsx is not None class TestTextOverlayBuilderMethod: """Tests for TextOverlay builder method.""" def test_add_to_composition_basic(self): """Test add_to_composition creates ComponentInstance.""" from chuk_motion.components.overlays.TextOverlay.builder import add_to_composition from chuk_motion.generator.composition_builder import CompositionBuilder builder = CompositionBuilder() result = add_to_composition(builder, text="Hello World", start_time=0.0) assert result is builder assert len(builder.components) == 1 assert builder.components[0].component_type == "TextOverlay" assert builder.components[0].props["text"] == "Hello World" def test_add_to_composition_all_props(self): """Test all props are set correctly.""" from chuk_motion.components.overlays.TextOverlay.builder import add_to_composition from chuk_motion.generator.composition_builder import CompositionBuilder builder = CompositionBuilder() add_to_composition( builder, text="Hello World", start_time=1.0, style="bold", animation="fade_in", duration=3.0, position="center", ) props = builder.components[0].props assert props["text"] == "Hello World" assert props["style"] == "bold" assert props["animation"] == "fade_in" assert props["position"] == "center" def test_add_to_composition_timing(self): """Test add_to_composition handles timing correctly.""" from chuk_motion.components.overlays.TextOverlay.builder import add_to_composition from chuk_motion.generator.composition_builder import CompositionBuilder builder = CompositionBuilder(fps=30) add_to_composition(builder, text="Test", start_time=2.0, duration=3.0) component = builder.components[0] assert component.start_frame == 60 assert component.duration_frames == 90 class TestTextOverlayToolRegistration: """Tests for TextOverlay MCP tool.""" def test_register_tool(self): """Test tool registration.""" from unittest.mock import Mock from chuk_motion.components.overlays.TextOverlay.tool import register_tool mcp = Mock() project_manager = Mock() register_tool(mcp, project_manager) assert mcp.tool.called or hasattr(mcp, "tool") def test_tool_execution(self): """Test tool execution creates component.""" import asyncio import json from unittest.mock import Mock from chuk_motion.components.overlays.TextOverlay.tool import register_tool from chuk_motion.generator.timeline import Timeline mcp = Mock() project_manager = Mock() timeline = Timeline(fps=30) project_manager.current_timeline = timeline register_tool(mcp, project_manager) tool_func = mcp.tool.call_args[0][0] result = asyncio.run(tool_func(text="Test", duration=3.0)) # Check component was added assert len(timeline.get_all_components()) >= 1 result_data = json.loads(result) assert result_data["component"] == "TextOverlay" def test_tool_execution_no_project(self): """Test tool execution when no project exists.""" import asyncio import json from unittest.mock import Mock from chuk_motion.components.overlays.TextOverlay.tool import register_tool mcp = Mock() project_manager = Mock() project_manager.current_timeline = None # No project register_tool(mcp, project_manager) tool_func = mcp.tool.call_args[0][0] result = asyncio.run(tool_func(text="Test", duration=3.0)) result_data = json.loads(result) assert "error" in result_data assert "No active project" in result_data["error"] def test_tool_execution_error_handling(self): """Test tool execution handles exceptions.""" import asyncio import json from unittest.mock import Mock, patch from chuk_motion.components.overlays.TextOverlay.tool import register_tool from chuk_motion.generator.timeline import Timeline mcp = Mock() project_manager = Mock() timeline = Timeline(fps=30) project_manager.current_timeline = timeline register_tool(mcp, project_manager) tool_func = mcp.tool.call_args[0][0] # Mock add_component to raise exception with patch.object(timeline, "add_component", side_effect=Exception("Test error")): result = asyncio.run(tool_func(text="Test", duration=3.0)) result_data = json.loads(result) assert "error" in result_data assert "Test error" in result_data["error"]