Remotion Video Generator

"""Tests for BeforeAfterSlider template generation.""" from tests.components.conftest import ( assert_has_interface, assert_has_timing_props, assert_has_visibility_check, assert_valid_typescript, ) class TestBeforeAfterSliderBasic: """Basic BeforeAfterSlider generation tests.""" def test_basic_generation(self, component_builder, theme_name): """Test basic BeforeAfterSlider generation.""" tsx = component_builder.build_component("BeforeAfterSlider", {}, theme_name) assert tsx is not None assert "BeforeAfterSlider" in tsx assert_valid_typescript(tsx) assert_has_interface(tsx, "BeforeAfterSlider") assert_has_timing_props(tsx) assert_has_visibility_check(tsx) class TestBeforeAfterSliderBuilderMethod: """Tests for BeforeAfterSlider builder method.""" def test_add_to_composition_basic(self): """Test add_to_composition creates ComponentInstance.""" from chuk_motion.components.layouts.BeforeAfterSlider.builder import ( add_to_composition, ) from chuk_motion.generator.composition_builder import CompositionBuilder builder = CompositionBuilder() result = add_to_composition( builder, start_time=0.0, duration=5.0, before_image="before.jpg", after_image="after.jpg", ) assert result is builder assert len(builder.components) == 1 assert builder.components[0].component_type == "BeforeAfterSlider" def test_add_to_composition_all_props(self): """Test all props are set correctly.""" from chuk_motion.components.layouts.BeforeAfterSlider.builder import ( add_to_composition, ) from chuk_motion.generator.composition_builder import CompositionBuilder builder = CompositionBuilder() add_to_composition( builder, start_time=1.0, duration=10.0, before_image="before.jpg", after_image="after.jpg", before_label="Old", after_label="New", orientation="vertical", slider_position=75.0, animate_slider=False, slider_start_position=10.0, slider_end_position=90.0, show_labels=False, label_position="bottom", handle_style="circle", width=1400, height=900, position="top-left", border_radius=20, ) props = builder.components[0].props assert props["beforeImage"] == "before.jpg" assert props["afterImage"] == "after.jpg" assert props["beforeLabel"] == "Old" assert props["afterLabel"] == "New" assert props["orientation"] == "vertical" assert props["sliderPosition"] == 75.0 assert props["animateSlider"] is False assert props["sliderStartPosition"] == 10.0 assert props["sliderEndPosition"] == 90.0 assert props["showLabels"] is False assert props["labelPosition"] == "bottom" assert props["handleStyle"] == "circle" assert props["width"] == 1400 assert props["height"] == 900 assert props["position"] == "top-left" assert props["borderRadius"] == 20 def test_add_to_composition_timing(self): """Test add_to_composition handles timing correctly.""" from chuk_motion.components.layouts.BeforeAfterSlider.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, before_image="before.jpg", after_image="after.jpg", ) component = builder.components[0] assert component.start_frame == 60 # 2.0 * 30fps assert component.duration_frames == 150 # 5.0 * 30fps class TestBeforeAfterSliderToolRegistration: """Tests for BeforeAfterSlider MCP tool registration.""" def test_register_tool(self): """Test tool registration.""" from unittest.mock import Mock from chuk_motion.components.layouts.BeforeAfterSlider.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 from unittest.mock import Mock from chuk_motion.components.layouts.BeforeAfterSlider.tool import register_tool # Mock ProjectManager and Project pm_mock = Mock() project_mock = Mock() project_mock.add_component_to_track = Mock() pm_mock.get_active_project = Mock(return_value=project_mock) mcp_mock = Mock() register_tool(mcp_mock, pm_mock) tool_func = mcp_mock.tool.call_args[0][0] # Execute with all parameters result = asyncio.run( tool_func( startFrame=0, durationInFrames=150, beforeImage="before.jpg", afterImage="after.jpg", beforeLabel="Before", afterLabel="After", orientation="horizontal", sliderPosition=50.0, animateSlider=True, sliderStartPosition=0.0, sliderEndPosition=100.0, showLabels=True, labelPosition="overlay", handleStyle="default", width=1200, height=800, position="center", borderRadius=12, ) ) # Parse JSON response import json response = json.loads(result) # Check LayoutComponentResponse structure assert response["component"] == "BeforeAfterSlider" assert "layout" in response assert "start_time" in response assert "duration" in response # Verify component was added project_mock.add_component_to_track.assert_called_once() def test_tool_execution_no_project(self): """Test tool execution without active project.""" import asyncio import tempfile from unittest.mock import Mock from chuk_motion.components.layouts.BeforeAfterSlider.tool import register_tool from chuk_motion.utils.project_manager import ProjectManager with tempfile.TemporaryDirectory() as tmpdir: pm = ProjectManager(tmpdir) # Don't create or set active project mcp_mock = Mock() register_tool(mcp_mock, pm) tool_func = mcp_mock.tool.call_args[0][0] # Should return an error response when no project is set result = asyncio.run( tool_func( startFrame=0, durationInFrames=150, beforeImage="before.jpg", afterImage="after.jpg", ) ) import json response = json.loads(result) assert "error" in response 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.BeforeAfterSlider.tool import register_tool # Mock ProjectManager with valid project but mock add_component_to_track to raise error pm_mock = Mock() project_mock = Mock() project_mock.add_component_to_track.side_effect = Exception("Component creation failed") pm_mock.get_active_project = Mock(return_value=project_mock) mcp_mock = Mock() register_tool(mcp_mock, pm_mock) tool_func = mcp_mock.tool.call_args[0][0] # Call tool which should catch the exception result = asyncio.run( tool_func( startFrame=0, durationInFrames=150, beforeImage="before.jpg", afterImage="after.jpg", ) ) # Should return error response response = json.loads(result) assert "error" in response assert "Component creation failed" in response["error"]