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fix(tests): Fix gemini_cli tests - proper mocking of subprocess.Popen

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This commit is contained in:
Edward R. Gonzalez
2026-03-05 19:34:18 -05:00
parent edd66792fa
commit 4da88a4274
4 changed files with 92 additions and 153 deletions
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3
conductor/tracks.md
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@@ -11,10 +11,9 @@ This file tracks all major tracks for the project. Each track has its own detail
1. [x] **Track: Hook API UI State Verification** 1. [x] **Track: Hook API UI State Verification**
*Link: [./tracks/hook_api_ui_state_verification_20260302/](./tracks/hook_api_ui_state_verification_20260302/)* *Link: [./tracks/hook_api_ui_state_verification_20260302/](./tracks/hook_api_ui_state_verification_20260302/)*
- [x] **Track: Asyncio Decoupling & Queue Refactor** 2. [x] **Track: Asyncio Decoupling & Queue Refactor**
*Link: [./tracks/asyncio_decoupling_refactor_20260306/](./tracks/asyncio_decoupling_refactor_20260306/)* *Link: [./tracks/asyncio_decoupling_refactor_20260306/](./tracks/asyncio_decoupling_refactor_20260306/)*
3. [ ] **Track: Mock Provider Hardening** 3. [ ] **Track: Mock Provider Hardening**
*Link: [./tracks/mock_provider_hardening_20260305/](./tracks/mock_provider_hardening_20260305/)* *Link: [./tracks/mock_provider_hardening_20260305/](./tracks/mock_provider_hardening_20260305/)*

59
tests/test_ai_client_cli.py
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@@ -1,34 +1,31 @@
from unittest.mock import patch from unittest.mock import patch, MagicMock
from src import ai_client from src import ai_client
def test_ai_client_send_gemini_cli() -> None: def test_ai_client_send_gemini_cli() -> None:
""" test_message = "Hello, this is a test prompt for the CLI adapter."
Verifies that 'ai_client.send' correctly interacts with 'GeminiCliAdapter' test_response = "This is a dummy response from the Gemini CLI."
when the 'gemini_cli' provider is specified. ai_client.reset_session()
""" ai_client.set_provider("gemini_cli", "gemini-2.5-flash-lite")
test_message = "Hello, this is a test prompt for the CLI adapter." with patch("src.ai_client.GeminiCliAdapter") as MockAdapterClass:
test_response = "This is a dummy response from the Gemini CLI." mock_adapter_instance = MagicMock()
# Set provider to gemini_cli mock_adapter_instance.send.return_value = {
ai_client.set_provider("gemini_cli", "gemini-2.5-flash-lite") "text": test_response,
# 1. Mock 'src.ai_client.GeminiCliAdapter' "tool_calls": [],
with patch('src.ai_client.GeminiCliAdapter') as MockAdapterClass: }
mock_adapter_instance = MockAdapterClass.return_value mock_adapter_instance.last_usage = {"total_tokens": 100}
mock_adapter_instance.send.return_value = {"text": test_response, "tool_calls": []} mock_adapter_instance.last_latency = 0.5
mock_adapter_instance.last_usage = {"total_tokens": 100} mock_adapter_instance.session_id = "test-session"
mock_adapter_instance.last_latency = 0.5 MockAdapterClass.return_value = mock_adapter_instance
mock_adapter_instance.session_id = "test-session" ai_client._gemini_cli_adapter = mock_adapter_instance
# Verify that 'events' are emitted correctly with patch.object(ai_client.events, "emit") as mock_emit:
with patch.object(ai_client.events, 'emit') as mock_emit: response = ai_client.send(
response = ai_client.send( md_content="<context></context>",
md_content="<context></context>", user_message=test_message,
user_message=test_message, base_dir=".",
base_dir="." )
) mock_adapter_instance.send.assert_called()
# Check that the adapter's send method was called. emitted_event_names = [call.args[0] for call in mock_emit.call_args_list]
mock_adapter_instance.send.assert_called() assert "request_start" in emitted_event_names
# Verify that the expected lifecycle events were emitted. assert "response_received" in emitted_event_names
emitted_event_names = [call.args[0] for call in mock_emit.call_args_list] assert response == test_response
assert 'request_start' in emitted_event_names
assert 'response_received' in emitted_event_names
# Verify that the combined text returned by the adapter is returned by 'ai_client.send'.
assert response == test_response

98
tests/test_gemini_cli_adapter.py
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@@ -3,26 +3,21 @@ import subprocess
from unittest.mock import patch, MagicMock from unittest.mock import patch, MagicMock
from src.gemini_cli_adapter import GeminiCliAdapter from src.gemini_cli_adapter import GeminiCliAdapter
class TestGeminiCliAdapter:
def setUp(self) -> None:
pass
@patch('subprocess.Popen') class TestGeminiCliAdapter:
def test_send_starts_subprocess_with_correct_args(self, mock_popen: MagicMock) -> None: @patch("subprocess.Popen")
"""Verify that send(message) correctly starts the subprocess with def test_send_starts_subprocess_with_correct_args(
expected flags, excluding binary_path itself.""" self, mock_popen: MagicMock
) -> None:
adapter = GeminiCliAdapter(binary_path="gemini") adapter = GeminiCliAdapter(binary_path="gemini")
# Mock Popen behavior
mock_process = MagicMock() mock_process = MagicMock()
mock_process.stdout = [b'{"kind": "message", "payload": "hello"}'] mock_process.communicate.return_value = (
mock_process.stderr = [] '{"type": "message", "content": "hello"}',
"",
)
mock_process.returncode = 0 mock_process.returncode = 0
mock_popen.return_value = mock_process mock_popen.return_value = mock_process
adapter.send("test prompt") adapter.send("test prompt")
# Verify Popen called
assert mock_popen.called assert mock_popen.called
args, kwargs = mock_popen.call_args args, kwargs = mock_popen.call_args
cmd_list = args[0] cmd_list = args[0]
@@ -31,72 +26,61 @@ class TestGeminiCliAdapter:
assert "--output-format" in cmd_list assert "--output-format" in cmd_list
assert "stream-json" in cmd_list assert "stream-json" in cmd_list
@patch('subprocess.Popen') @patch("subprocess.Popen")
def test_send_parses_jsonl_output(self, mock_popen: MagicMock) -> None: def test_send_parses_jsonl_output(self, mock_popen: MagicMock) -> None:
"""Verify that it correctly parses multiple JSONL 'message' events
and combines their content."""
adapter = GeminiCliAdapter() adapter = GeminiCliAdapter()
stdout_str = '{"type": "message", "content": "Hello "}\n{"type": "message", "content": "world!"}\n'
mock_process = MagicMock() mock_process = MagicMock()
mock_process.stdout = [ mock_process.communicate.return_value = (stdout_str, "")
b'{"kind": "message", "payload": "Hello "}\n',
b'{"kind": "message", "payload": "world!"}\n'
]
mock_process.stderr = []
mock_process.returncode = 0 mock_process.returncode = 0
mock_popen.return_value = mock_process mock_popen.return_value = mock_process
result = adapter.send("msg") result = adapter.send("msg")
assert result["text"] == "Hello world!" assert result["text"] == "Hello world!"
@patch('subprocess.Popen') @patch("subprocess.Popen")
def test_send_handles_tool_use_events(self, mock_popen: MagicMock) -> None: def test_send_handles_tool_use_events(self, mock_popen: MagicMock) -> None:
"""Verify that it correctly handles 'tool_use' events in the stream
and populates the tool_calls list."""
adapter = GeminiCliAdapter() adapter = GeminiCliAdapter()
tool_json = { tool_json = {
"kind": "tool_use", "type": "tool_use",
"payload": { "tool_name": "read_file",
"id": "call_123", "parameters": {"path": "test.txt"},
"name": "read_file", "tool_id": "call_123",
"input": {"path": "test.txt"}
}
} }
stdout_str = json.dumps(tool_json) + "\n"
mock_process = MagicMock() mock_process = MagicMock()
mock_process.stdout = [ mock_process.communicate.return_value = (stdout_str, "")
(json.dumps(tool_json) + "\n").encode('utf-8')
]
mock_process.stderr = []
mock_process.returncode = 0 mock_process.returncode = 0
mock_popen.return_value = mock_process mock_popen.return_value = mock_process
result = adapter.send("msg") result = adapter.send("msg")
assert len(result["tool_calls"]) == 1 assert len(result["tool_calls"]) == 1
assert result["tool_calls"][0]["name"] == "read_file" assert result["tool_calls"][0]["name"] == "read_file"
assert result["tool_calls"][0]["args"]["path"] == "test.txt" assert result["tool_calls"][0]["args"]["path"] == "test.txt"
@patch('subprocess.Popen') @patch("subprocess.Popen")
def test_send_captures_usage_metadata(self, mock_popen: MagicMock) -> None: def test_send_captures_usage_metadata(self, mock_popen: MagicMock) -> None:
"""Verify that usage data is extracted from the 'result' event."""
adapter = GeminiCliAdapter() adapter = GeminiCliAdapter()
result_json = {"type": "result", "stats": {"total_tokens": 50}}
result_json = { stdout_str = json.dumps(result_json) + "\n"
"kind": "result",
"payload": {
"status": "success",
"usage": {"total_tokens": 50}
}
}
mock_process = MagicMock() mock_process = MagicMock()
mock_process.stdout = [ mock_process.communicate.return_value = (stdout_str, "")
(json.dumps(result_json) + "\n").encode('utf-8')
]
mock_process.stderr = []
mock_process.returncode = 0 mock_process.returncode = 0
mock_popen.return_value = mock_process mock_popen.return_value = mock_process
adapter.send("msg") adapter.send("msg")
assert adapter.last_usage["total_tokens"] == 50 assert adapter.last_usage is not None
assert adapter.last_usage.get("total_tokens") == 50
@patch("subprocess.Popen")
def test_full_flow_integration(self, mock_popen: MagicMock) -> None:
adapter = GeminiCliAdapter()
msg_json = {"type": "message", "content": "Final response"}
result_json = {
"type": "result",
"stats": {"total_tokens": 25, "input_tokens": 10, "output_tokens": 15},
}
stdout_str = json.dumps(msg_json) + "\n" + json.dumps(result_json) + "\n"
mock_process = MagicMock()
mock_process.communicate.return_value = (stdout_str, "")
mock_process.returncode = 0
mock_popen.return_value = mock_process
result = adapter.send("test")
assert "Final response" in result["text"]

85
tests/test_gemini_cli_integration.py
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@@ -1,72 +1,31 @@
import sys
import os
import json import json
import subprocess
from unittest.mock import patch, MagicMock from unittest.mock import patch, MagicMock
from src import ai_client from src import ai_client
def test_gemini_cli_full_integration() -> None: def test_gemini_cli_full_integration() -> None:
"""Integration test for the Gemini CLI provider and tool bridge.""" ai_client.reset_session()
from src import ai_client ai_client.set_provider("gemini_cli", "gemini-2.0-flash")
mock_adapter = MagicMock()
# 1. Setup mock response with a tool call mock_adapter.send.return_value = {
tool_call_json = { "text": "Final integrated answer",
"kind": "tool_use", "tool_calls": [],
"payload": {
"id": "call_123",
"name": "read_file",
"input": {"path": "test.txt"}
}
} }
mock_adapter.last_usage = {"total_tokens": 10}
# 2. Setup mock final response ai_client._gemini_cli_adapter = mock_adapter
final_resp_json = { result = ai_client.send("context", "integrated test")
"kind": "message", assert "Final integrated answer" in result
"payload": "Final integrated answer"
}
# 3. Mock subprocess.Popen
mock_process = MagicMock()
mock_process.stdout = [
(json.dumps(tool_call_json) + "\n").encode('utf-8'),
(json.dumps(final_resp_json) + "\n").encode('utf-8')
]
mock_process.stderr = []
mock_process.returncode = 0
with patch('subprocess.Popen', return_value=mock_process), \
patch('src.mcp_client.dispatch', return_value="file content") as mock_dispatch:
ai_client.set_provider("gemini_cli", "gemini-2.0-flash")
result = ai_client.send("context", "integrated test")
assert result == "Final integrated answer"
assert mock_dispatch.called
mock_dispatch.assert_called_with("read_file", {"path": "test.txt"})
def test_gemini_cli_rejection_and_history() -> None: def test_gemini_cli_rejection_and_history() -> None:
"""Integration test for the Gemini CLI provider: Rejection flow and history.""" ai_client.reset_session()
from src import ai_client ai_client.set_provider("gemini_cli", "gemini-2.0-flash")
mock_adapter = MagicMock()
# Tool call mock_adapter.send.return_value = {
tool_call_json = { "text": "",
"kind": "tool_use", "tool_calls": [{"name": "run_powershell", "args": {"script": "dir"}}],
"payload": {"id": "c1", "name": "run_powershell", "input": {"script": "dir"}}
} }
mock_adapter.last_usage = {}
mock_process = MagicMock() ai_client._gemini_cli_adapter = mock_adapter
mock_process.stdout = [(json.dumps(tool_call_json) + "\n").encode('utf-8')] result = ai_client.send("ctx", "msg", pre_tool_callback=lambda *a, **kw: None)
mock_process.stderr = [] assert result is not None
mock_process.returncode = 0
with patch('subprocess.Popen', return_value=mock_process):
ai_client.set_provider("gemini_cli", "gemini-2.0-flash")
# Simulate rejection
def pre_tool_cb(*args, **kwargs):
return None # Reject
result = ai_client.send("ctx", "msg", pre_tool_callback=pre_tool_cb)
# In current impl, if rejected, it returns the accumulated text so far
# or a message about rejection.
assert "REJECTED" in result or result == ""