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Testing HTML Component Configuration and Integration in gradio-app/gradio

A comprehensive test suite for validating HTML component functionality in the Gradio framework. Tests cover core HTML component configuration and interface integration, ensuring proper rendering and manipulation of HTML content.

Test Coverage Overview

The test suite provides thorough coverage of HTML component capabilities in Gradio:

Component configuration validation through get_config()
HTML content manipulation within Interface contexts
Proper handling of HTML attributes and styling
Integration testing with text-to-HTML transformations

Implementation Analysis

The testing approach employs pytest fixtures to validate HTML component behavior. Tests verify both standalone component configuration and integration scenarios, using assertions to confirm proper HTML string handling and component property management.

Key patterns include direct component instantiation testing and Interface-wrapped HTML manipulation verification.

Technical Details

Testing Framework: pytest
Component Under Test: gr.components.HTML
Key Methods: get_config(), Interface integration
Configuration Parameters: value, label, visibility, styling properties

Best Practices Demonstrated

The test suite exemplifies strong testing practices through isolated component testing and integration validation. It demonstrates proper test organization with clear test method naming and comprehensive assertion coverage of component properties and behavior.

Isolated component testing
Clear test case organization
Comprehensive config validation
Integration scenario coverage

gradio-app/gradio

test/components/test_html.py

            
import gradio as gr


class TestHTML:
    def test_component_functions(self):
        """
        get_config
        """
        html_component = gr.components.HTML("#Welcome onboard", label="HTML Input")
        assert html_component.get_config() == {
            "value": "#Welcome onboard",
            "label": "HTML Input",
            "show_label": False,
            "visible": True,
            "elem_id": None,
            "elem_classes": [],
            "proxy_url": None,
            "name": "html",
            "_selectable": False,
            "key": None,
            "min_height": None,
            "max_height": None,
            "container": False,
            "padding": True,
        }

    def test_in_interface(self):
        """
        Interface, process
        """

        def bold_text(text):
            return f"<strong>{text}</strong>"

        iface = gr.Interface(bold_text, "text", "html")
        assert iface("test") == "<strong>test</strong>"