Adding a test for this bug

Author: gabsow

test.py

@@ -212,8 +212,54 @@ def test_bundle_from_manifest():
 def test_bundle_from_menifest2():
     _test_bundle_from_manifest(MENIFEST2_FILE, MENIFEST2_FILE_PATH)
 
+def test_cli_unpack():
+    """Test CLI unpack command correctly extracts binary files."""
+    import tempfile
+    
+    # Use existing test bundle if available, otherwise skip
+    bundle_path = os.path.join(os.getcwd(), "test_assets", 
+                              "redisgears_python.Linux-ubuntu18.04-x86_64.1.2.5.zip")
+    
+    if not os.path.exists(bundle_path):
+        print("⚠️  CLI unpack test skipped: test bundle not found")
+        return
+    
+    # Create temporary directory for extraction
+    with tempfile.TemporaryDirectory() as temp_dir:
+        original_cwd = os.getcwd()
+        
+        try:
+            # Change to temp directory for extraction
+            os.chdir(temp_dir)
+            
+            # Test CLI unpack command
+            runner = CliRunner()
+            result = runner.invoke(ramp.unpack, [bundle_path])
+            
+            # Verify command succeeded
+            assert result.exit_code == 0, (
+                f"CLI unpack failed with exit code {result.exit_code}\n"
+                f"Output: {result.output}\n"
+                f"Exception: {result.exception}"
+            )
+            
+            # Check that binary file was extracted correctly
+            extracted_files = os.listdir('.')
+            so_files = [f for f in extracted_files if f.endswith('.so')]
+            assert len(so_files) > 0, f"No .so binary file extracted. Files: {extracted_files}"
+            
+            # Verify binary file is valid ELF
+            so_file = so_files[0]
+            with open(so_file, 'rb') as f:
+                header = f.read(4)
+                assert header == b'\x7fELF', f"Binary file corrupted: expected ELF header, got {header.hex()}"
+            
+        finally:
+            os.chdir(original_cwd)
+
 if __name__ == '__main__':
     test_defaults()
     test_bundle_from_manifest()
     test_bundle_from_cmd()
+    test_cli_unpack()
     print("PASS")

test_cli_unpack.py

@@ -0,0 +1,114 @@
+#!/usr/bin/env python3
+"""
+CLI unpack command tests - ensures CLI unpack functionality works correctly.
+This test would have caught the binary file mode bug in GitHub issue #113.
+"""
+
+import os
+import tempfile
+import shutil
+from click.testing import CliRunner
+from RAMP import ramp
+
+
+def test_cli_unpack_binary_files():
+    """Test CLI unpack command correctly extracts binary files."""
+    
+    # Use the existing test bundle
+    bundle_path = os.path.join(os.getcwd(), "test_assets", 
+                              "redisgears_python.Linux-ubuntu18.04-x86_64.1.2.5.zip")
+    
+    if not os.path.exists(bundle_path):
+        print(f"⚠️  Test bundle not found: {bundle_path}")
+        print("   Skipping CLI unpack test")
+        return True  # Skip test if bundle not available
+    
+    # Create temporary directory for extraction
+    with tempfile.TemporaryDirectory() as temp_dir:
+        original_cwd = os.getcwd()
+        
+        try:
+            # Change to temp directory for extraction
+            os.chdir(temp_dir)
+            
+            # Test CLI unpack command
+            runner = CliRunner()
+            result = runner.invoke(ramp.unpack, [bundle_path])
+            
+            # Verify command succeeded
+            assert result.exit_code == 0, (
+                f"CLI unpack failed with exit code {result.exit_code}\n"
+                f"Output: {result.output}\n"
+                f"Exception: {result.exception}"
+            )
+            
+            # Check that files were extracted
+            extracted_files = os.listdir('.')
+            json_files = [f for f in extracted_files if f.endswith('.json')]
+            so_files = [f for f in extracted_files if f.endswith('.so')]
+            
+            assert len(json_files) > 0, f"No JSON metadata file extracted. Files: {extracted_files}"
+            assert len(so_files) > 0, f"No .so binary file extracted. Files: {extracted_files}"
+            
+            # Verify binary file is valid and not corrupted
+            so_file = so_files[0]
+            file_size = os.path.getsize(so_file)
+            assert file_size > 0, f"Binary file {so_file} is empty"
+            assert file_size > 1000, f"Binary file {so_file} too small ({file_size} bytes), likely corrupted"
+            
+            # Check that it's actually a valid binary file (ELF format for Linux modules)
+            with open(so_file, 'rb') as f:
+                header = f.read(4)
+                assert header == b'\x7fELF', (
+                    f"Binary file {so_file} corrupted. Expected ELF header (7f454c46), "
+                    f"got: {header.hex() if header else 'empty'}"
+                )
+            
+            # Verify JSON metadata file is valid
+            json_file = json_files[0]
+            json_size = os.path.getsize(json_file)
+            assert json_size > 0, f"JSON file {json_file} is empty"
+            
+            # Verify JSON is parseable
+            import json
+            with open(json_file, 'r') as f:
+                metadata = json.load(f)
+                assert isinstance(metadata, dict), "Metadata is not a valid JSON object"
+                assert 'module_name' in metadata, "Metadata missing module_name"
+                assert 'module_file' in metadata, "Metadata missing module_file"
+            
+            print("✅ CLI unpack test passed!")
+            return True
+            
+        except Exception as e:
+            print(f"❌ CLI unpack test failed: {e}")
+            raise
+        finally:
+            os.chdir(original_cwd)
+
+
+def test_cli_unpack_nonexistent_file():
+    """Test CLI unpack command handles missing files gracefully."""
+    
+    runner = CliRunner()
+    result = runner.invoke(ramp.unpack, ['nonexistent_bundle.zip'])
+    
+    # Should fail gracefully, not crash
+    assert result.exit_code != 0, "Expected failure for nonexistent file"
+    assert result.exception is not None or "not found" in result.output.lower()
+    
+    print("✅ CLI unpack error handling test passed!")
+    return True
+
+
+if __name__ == '__main__':
+    print("🧪 Running CLI Unpack Tests")
+    print("=" * 35)
+    
+    try:
+        test_cli_unpack_binary_files()
+        test_cli_unpack_nonexistent_file()
+        print("\n🎉 All CLI unpack tests passed!")
+    except Exception as e:
+        print(f"\n❌ CLI unpack tests failed: {e}")
+        raise

tox.ini

@@ -17,3 +17,4 @@ commands:
     wget -q https://s3.amazonaws.com/redismodules/redisgraph/redisgraph.Linux-x86_64.{[main]graph_version}.zip -O redisgraph.zip
     unzip redisgraph.zip -d test_module
     coverage run test.py
+    python test_cli_unpack.py