test(stabilization): Align tier4_interceptor tests with Popen and integrate vlogger

conductor/tracks/python_style_refactor_20260227/plan.md

@@ -45,10 +45,11 @@
     - **Requirement:** Implement "Before vs After" state tables in `logs/test/unique_signature/<script_name>.txt`.
 - [x] Task: Conductor - Fix `ai_style_formatter.py` test expectations for ultra-compact style.
     - **Requirement:** Log table-based comparison of code states in `logs/test/unique_signature/test_ai_style_formatter.txt`.
-- [ ] Task: Conductor - Align `tier4_interceptor.py` tests with current PowerShell output formatting.
+- [x] Task: Conductor - Align `tier4_interceptor.py` tests with current PowerShell output formatting.
     - **Requirement:** Log expected vs actual PowerShell output mappings in `logs/test/unique_signature/test_tier4_interceptor.txt`.
 - [ ] Task: Conductor - Investigate and stabilize `live_gui` test environment collection/startup.
     - **Requirement:** Log comprehensive environment telemetry (Before/After/Delta) in `logs/test/unique_signature/live_gui_diag.txt`.
 - [ ] Task: Conductor - User Manual Verification 'Phase 6: Test Suite Stabilization'
 
 
+

tests/test_tier4_interceptor.py

@@ -3,47 +3,61 @@ from unittest.mock import MagicMock, patch
 import subprocess
 from shell_runner import run_powershell
 
-def test_run_powershell_qa_callback_on_failure() -> None:
+def test_run_powershell_qa_callback_on_failure(vlogger) -> None:
  """
     Test that qa_callback is called when a powershell command fails (non-zero exit code).
     The result of the callback should be appended to the output.
     """
  script = "Write-Error 'something went wrong'; exit 1"
  base_dir = "."
- # Mocking subprocess.run to simulate failure
- mock_result = MagicMock()
- mock_result.stdout = ""
- mock_result.stderr = "something went wrong"
- mock_result.returncode = 1
+ 
+ vlogger.log_state("Script", "N/A", script)
+ 
+ # Mocking subprocess.Popen
+ mock_process = MagicMock()
+ mock_process.communicate.return_value = ("", "something went wrong")
+ mock_process.returncode = 1
+ 
  qa_callback = MagicMock(return_value="QA ANALYSIS: This looks like a syntax error.")
- with patch("subprocess.run", return_value=mock_result), \
+ 
+ with patch("subprocess.Popen", return_value=mock_process), \
       patch("shutil.which", return_value="powershell.exe"):
- # We expect run_powershell to accept qa_callback
   output = run_powershell(script, base_dir, qa_callback=qa_callback)
+  
+  vlogger.log_state("Captured Stderr", "N/A", "something went wrong")
+  vlogger.log_state("QA Result", "N/A", "QA ANALYSIS: This looks like a syntax error.")
+  
   # Verify callback was called with stderr
   qa_callback.assert_called_once_with("something went wrong")
   # Verify output contains the callback result
   assert "QA ANALYSIS: This looks like a syntax error." in output
   assert "STDERR:\nsomething went wrong" in output
   assert "EXIT CODE: 1" in output
+  vlogger.finalize("QA Callback on Failure", "PASS", "Interceptor triggered and result appended.")
 
-def test_run_powershell_qa_callback_on_stderr_only() -> None:
+def test_run_powershell_qa_callback_on_stderr_only(vlogger) -> None:
  """
     Test that qa_callback is called when a command has stderr even if exit code is 0.
     """
  script = "Write-Error 'non-fatal error'"
  base_dir = "."
- mock_result = MagicMock()
- mock_result.stdout = "Success"
- mock_result.stderr = "non-fatal error"
- mock_result.returncode = 0
+ 
+ mock_process = MagicMock()
+ mock_process.communicate.return_value = ("Success", "non-fatal error")
+ mock_process.returncode = 0
+ 
  qa_callback = MagicMock(return_value="QA ANALYSIS: Ignorable warning.")
- with patch("subprocess.run", return_value=mock_result), \
+ 
+ with patch("subprocess.Popen", return_value=mock_process), \
       patch("shutil.which", return_value="powershell.exe"):
   output = run_powershell(script, base_dir, qa_callback=qa_callback)
+  
+  vlogger.log_state("Stderr", "N/A", "non-fatal error")
+  
   qa_callback.assert_called_once_with("non-fatal error")
   assert "QA ANALYSIS: Ignorable warning." in output
   assert "STDOUT:\nSuccess" in output
+  vlogger.finalize("QA Callback on Stderr Only", "PASS", "Interceptor triggered for non-fatal stderr.")
 
 def test_run_powershell_no_qa_callback_on_success() -> None:
  """
@@ -51,12 +65,13 @@ def test_run_powershell_no_qa_callback_on_success() -> None:
     """
  script = "Write-Output 'All good'"
  base_dir = "."
- mock_result = MagicMock()
- mock_result.stdout = "All good"
- mock_result.stderr = ""
- mock_result.returncode = 0
+ 
+ mock_process = MagicMock()
+ mock_process.communicate.return_value = ("All good", "")
+ mock_process.returncode = 0
+ 
  qa_callback = MagicMock()
- with patch("subprocess.run", return_value=mock_result), \
+ with patch("subprocess.Popen", return_value=mock_process), \
       patch("shutil.which", return_value="powershell.exe"):
   output = run_powershell(script, base_dir, qa_callback=qa_callback)
   qa_callback.assert_not_called()
@@ -70,18 +85,19 @@ def test_run_powershell_optional_qa_callback() -> None:
     """
  script = "Write-Error 'error'"
  base_dir = "."
- mock_result = MagicMock()
- mock_result.stdout = ""
- mock_result.stderr = "error"
- mock_result.returncode = 1
- with patch("subprocess.run", return_value=mock_result), \
+ 
+ mock_process = MagicMock()
+ mock_process.communicate.return_value = ("", "error")
+ mock_process.returncode = 1
+ 
+ with patch("subprocess.Popen", return_value=mock_process), \
       patch("shutil.which", return_value="powershell.exe"):
   # Should not raise TypeError even if qa_callback is not provided
   output = run_powershell(script, base_dir)
   assert "STDERR:\nerror" in output
   assert "EXIT CODE: 1" in output
 
-def test_end_to_end_tier4_integration() -> None:
+def test_end_to_end_tier4_integration(vlogger) -> None:
  """
     Verifies that shell_runner.run_powershell correctly uses ai_client.run_tier4_analysis.
     """
@@ -89,17 +105,23 @@ def test_end_to_end_tier4_integration() -> None:
  script = "Invoke-Item non_existent_file"
  base_dir = "."
  stderr_content = "Invoke-Item : Cannot find path 'C:\\non_existent_file' because it does not exist."
- mock_result = MagicMock()
- mock_result.stdout = ""
- mock_result.stderr = stderr_content
- mock_result.returncode = 1
+ 
+ mock_process = MagicMock()
+ mock_process.communicate.return_value = ("", stderr_content)
+ mock_process.returncode = 1
+ 
  expected_analysis = "Path does not exist. Verify the file path and ensure the file is present before invoking."
- with patch("subprocess.run", return_value=mock_result), \
+ 
+ with patch("subprocess.Popen", return_value=mock_process), \
       patch("shutil.which", return_value="powershell.exe"), \
       patch("ai_client.run_tier4_analysis", return_value=expected_analysis) as mock_analysis:
+  
+  vlogger.log_state("Stderr Content", "N/A", stderr_content)
+  
   output = run_powershell(script, base_dir, qa_callback=ai_client.run_tier4_analysis)
   mock_analysis.assert_called_once_with(stderr_content)
   assert f"QA ANALYSIS:\n{expected_analysis}" in output
+  vlogger.finalize("End-to-End Tier 4 Integration", "PASS", "ai_client.run_tier4_analysis correctly called and results merged.")
 
 def test_ai_client_passes_qa_callback() -> None:
  """