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Bug Condition Exploration Test - Static Analysis of Gradio API Usage
**Validates: Requirements 2.1, 2.2**
CRITICAL: This test analyzes the source code to confirm the bug exists.
This test verifies that the bug condition exists by analyzing app.py source code:
- app.py uses gr.Image() and gr.Textbox() (Gradio 3.x/4.x API)
- requirements.txt specifies Gradio 2.9.4
- Gradio 2.9.4 requires gr.inputs.Image() and gr.outputs.Textbox()
Expected outcome on UNFIXED code:
- Test FAILS, documenting the incompatible API usage
Expected outcome on FIXED code:
- Test PASSES (app.py uses correct gr.inputs.* and gr.outputs.* API)
"""
import os
import re
def test_requirements_has_gradio_2_9_4():
"""Verify requirements.txt specifies Gradio 2.9.4"""
print("\n[Test 1] Checking requirements.txt for Gradio version...")
req_path = "requirements.txt"
assert os.path.exists(req_path), f"requirements.txt not found"
with open(req_path, 'r') as f:
content = f.read()
gradio_line = [line for line in content.split('\n') if 'gradio' in line.lower()]
print(f" Found: {gradio_line}")
assert any('2.9.4' in line for line in gradio_line), \
"requirements.txt should specify Gradio 2.9.4"
print(" ✓ Gradio 2.9.4 confirmed in requirements.txt")
return True
def test_app_py_uses_incompatible_api():
"""
Bug Condition Test: Verify app.py uses Gradio 3.x/4.x API
This test analyzes app.py source code to find incompatible API usage.
On unfixed code: FAILS (finds gr.Image and gr.Textbox)
On fixed code: PASSES (finds gr.inputs.Image and gr.outputs.Textbox)
"""
print("\n[Test 2] Analyzing app.py for Gradio API usage...")
app_path = "app.py"
assert os.path.exists(app_path), "app.py not found"
with open(app_path, 'r') as f:
content = f.read()
lines = content.split('\n')
# Search for Gradio component usage
issues = []
# Pattern 1: gr.Image( - Gradio 3.x/4.x API (WRONG for 2.9.4)
image_pattern = r'gr\.Image\s*\('
image_matches = [(i+1, line.strip()) for i, line in enumerate(lines)
if re.search(image_pattern, line)]
# Pattern 2: gr.Textbox( - Gradio 3.x/4.x API (WRONG for 2.9.4)
textbox_pattern = r'gr\.Textbox\s*\('
textbox_matches = [(i+1, line.strip()) for i, line in enumerate(lines)
if re.search(textbox_pattern, line)]
# Pattern 3: gr.inputs.Image( - Gradio 2.9.4 API (CORRECT)
inputs_image_pattern = r'gr\.inputs\.Image\s*\('
inputs_image_matches = [(i+1, line.strip()) for i, line in enumerate(lines)
if re.search(inputs_image_pattern, line)]
# Pattern 4: gr.outputs.Textbox( - Gradio 2.9.4 API (CORRECT)
outputs_textbox_pattern = r'gr\.outputs\.Textbox\s*\('
outputs_textbox_matches = [(i+1, line.strip()) for i, line in enumerate(lines)
if re.search(outputs_textbox_pattern, line)]
print("\n Analysis Results:")
print(f" - gr.Image() usage (wrong for 2.9.4): {len(image_matches)} occurrence(s)")
if image_matches:
for line_num, line_content in image_matches:
print(f" Line {line_num}: {line_content}")
issues.append(f"Line {line_num} uses gr.Image() which doesn't exist in Gradio 2.9.4")
print(f" - gr.Textbox() usage (wrong for 2.9.4): {len(textbox_matches)} occurrence(s)")
if textbox_matches:
for line_num, line_content in textbox_matches:
print(f" Line {line_num}: {line_content}")
issues.append(f"Line {line_num} uses gr.Textbox() which doesn't exist in Gradio 2.9.4")
print(f" - gr.inputs.Image() usage (correct for 2.9.4): {len(inputs_image_matches)} occurrence(s)")
if inputs_image_matches:
for line_num, line_content in inputs_image_matches:
print(f" Line {line_num}: {line_content}")
print(f" - gr.outputs.Textbox() usage (correct for 2.9.4): {len(outputs_textbox_matches)} occurrence(s)")
if outputs_textbox_matches:
for line_num, line_content in outputs_textbox_matches:
print(f" Line {line_num}: {line_content}")
# Determine if code is fixed or unfixed
has_wrong_api = len(image_matches) > 0 or len(textbox_matches) > 0
has_correct_api = len(inputs_image_matches) > 0 or len(outputs_textbox_matches) > 0
if has_wrong_api and not has_correct_api:
print("\n ✗ BUG CONFIRMED: app.py uses Gradio 3.x/4.x API")
print(" Expected AttributeError when running with Gradio 2.9.4")
print("\n Bug Details:")
for issue in issues:
print(f" - {issue}")
print("\n Fix Required:")
print(" - Replace gr.Image() with gr.inputs.Image()")
print(" - Replace gr.Textbox() with gr.outputs.Textbox()")
return False
elif has_correct_api and not has_wrong_api:
print("\n ✓ FIXED: app.py uses correct Gradio 2.9.4 API")
print(" Interface should launch successfully")
return True
elif has_wrong_api and has_correct_api:
print("\n ⚠ MIXED: app.py has both old and new API usage")
print(" This might indicate partial fix or transitional state")
return False
else:
print("\n ⚠ UNCLEAR: No Gradio interface components found")
print(" app.py might not use Gradio interface at all")
return False
def test_demo_launch_configuration():
"""Verify demo.launch() has HF Spaces configuration"""
print("\n[Test 3] Checking demo.launch() configuration...")
app_path = "app.py"
with open(app_path, 'r') as f:
content = f.read()
# Search for demo.launch() calls
launch_pattern = r'demo\.launch\((.*?)\)'
matches = re.findall(launch_pattern, content, re.DOTALL)
print(f" Found {len(matches)} demo.launch() call(s)")
if matches:
for i, match in enumerate(matches):
print(f"\n Call {i+1}: demo.launch({match})")
has_server_name = 'server_name' in match
has_server_port = 'server_port' in match
print(f" - Has server_name: {has_server_name}")
print(f" - Has server_port: {has_server_port}")
if not has_server_name or not has_server_port:
print(f" ✗ Missing HF Spaces configuration")
print(f" Should have: server_name='0.0.0.0', server_port=7860")
return False
else:
print(f" ✓ Has HF Spaces configuration")
else:
print(" ⚠ No demo.launch() calls found")
return False
return True
def main():
print("="*70)
print("Bug Condition Exploration Test - Static Code Analysis")
print("="*70)
results = {}
try:
# Test 1: Verify Gradio version in requirements
results['gradio_version'] = test_requirements_has_gradio_2_9_4()
except AssertionError as e:
print(f" ✗ FAILED: {e}")
results['gradio_version'] = False
try:
# Test 2: THE BUG CONDITION TEST (should fail on unfixed code)
results['api_compatibility'] = test_app_py_uses_incompatible_api()
except Exception as e:
print(f" ✗ ERROR: {e}")
results['api_compatibility'] = False
try:
# Test 3: Check launch configuration
results['launch_config'] = test_demo_launch_configuration()
except Exception as e:
print(f" ✗ ERROR: {e}")
results['launch_config'] = False
# Summary
print("\n" + "="*70)
print("SUMMARY")
print("="*70)
print(f"\n✓ Gradio 2.9.4 in requirements.txt: {results['gradio_version']}")
print(f"{'✗' if not results['api_compatibility'] else '✓'} API Compatibility: {results['api_compatibility']}")
print(f"{'✗' if not results['launch_config'] else '✓'} Launch Configuration: {results['launch_config']}")
if not results['api_compatibility']:
print("\n" + "="*70)
print("BUG CONDITION CONFIRMED")
print("="*70)
print("\nThe bug exists: app.py uses Gradio 3.x/4.x API with Gradio 2.9.4")
print("When executed, this will cause: AttributeError: module 'gradio' has no attribute 'Image'")
print("\nFix needed:")
print(" 1. Replace gr.Image() with gr.inputs.Image()")
print(" 2. Replace gr.Textbox() with gr.outputs.Textbox()")
print(" 3. Add server_name and server_port to demo.launch()")
return 1
elif all(results.values()):
print("\n" + "="*70)
print("ALL TESTS PASSED - Bug is FIXED")
print("="*70)
return 0
else:
print("\n" + "="*70)
print("PARTIAL FIX DETECTED")
print("="*70)
return 1
if __name__ == "__main__":
import sys
sys.exit(main())
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