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from unittest.mock import patch
import pytest
from mycli.packages.special.llm import (
USAGE,
FinishIteration,
handle_llm,
is_llm_command,
sql_using_llm,
)
# Override executor fixture to avoid real DB connections during llm tests
@pytest.fixture
def executor():
"""Dummy executor fixture"""
return None
@patch("mycli.packages.special.llm.llm")
def test_llm_command_without_args(mock_llm, executor):
r"""
Invoking \llm without any arguments should print the usage and raise FinishIteration.
"""
assert mock_llm is not None
test_text = r"\llm"
with pytest.raises(FinishIteration) as exc_info:
handle_llm(test_text, executor)
# Should return usage message when no args provided
assert exc_info.value.args[0] == [(None, None, None, USAGE)]
@patch("mycli.packages.special.llm.llm")
@patch("mycli.packages.special.llm.run_external_cmd")
def test_llm_command_with_c_flag(mock_run_cmd, mock_llm, executor):
# Suppose the LLM returns some text without fenced SQL
mock_run_cmd.return_value = (0, "Hello, no SQL today.")
test_text = r"\llm -c 'Something?'"
with pytest.raises(FinishIteration) as exc_info:
handle_llm(test_text, executor)
# Expect raw output when no SQL fence found
assert exc_info.value.args[0] == [(None, None, None, "Hello, no SQL today.")]
@patch("mycli.packages.special.llm.llm")
@patch("mycli.packages.special.llm.run_external_cmd")
def test_llm_command_with_c_flag_and_fenced_sql(mock_run_cmd, mock_llm, executor):
# Return text containing a fenced SQL block
sql_text = "SELECT * FROM users;"
fenced = f"Here you go:\n```sql\n{sql_text}\n```"
mock_run_cmd.return_value = (0, fenced)
test_text = r"\llm -c 'Rewrite SQL'"
result, sql, duration = handle_llm(test_text, executor)
# Without verbose, result is empty, sql extracted
assert sql == sql_text
assert result == ""
assert isinstance(duration, float)
@patch("mycli.packages.special.llm.llm")
@patch("mycli.packages.special.llm.run_external_cmd")
def test_llm_command_known_subcommand(mock_run_cmd, mock_llm, executor):
# 'models' is a known subcommand
test_text = r"\llm models"
with pytest.raises(FinishIteration) as exc_info:
handle_llm(test_text, executor)
mock_run_cmd.assert_called_once_with("llm", "models", restart_cli=False)
assert exc_info.value.args[0] is None
@patch("mycli.packages.special.llm.llm")
@patch("mycli.packages.special.llm.run_external_cmd")
def test_llm_command_with_help_flag(mock_run_cmd, mock_llm, executor):
test_text = r"\llm --help"
with pytest.raises(FinishIteration) as exc_info:
handle_llm(test_text, executor)
mock_run_cmd.assert_called_once_with("llm", "--help", restart_cli=False)
assert exc_info.value.args[0] is None
@patch("mycli.packages.special.llm.llm")
@patch("mycli.packages.special.llm.run_external_cmd")
def test_llm_command_with_install_flag(mock_run_cmd, mock_llm, executor):
test_text = r"\llm install openai"
with pytest.raises(FinishIteration) as exc_info:
handle_llm(test_text, executor)
mock_run_cmd.assert_called_once_with("llm", "install", "openai", restart_cli=True)
assert exc_info.value.args[0] is None
@patch("mycli.packages.special.llm.llm")
@patch("mycli.packages.special.llm.ensure_mycli_template")
@patch("mycli.packages.special.llm.sql_using_llm")
def test_llm_command_with_prompt(mock_sql_using_llm, mock_ensure_template, mock_llm, executor):
r"""
\llm prompt 'question' should use template and call sql_using_llm
"""
mock_sql_using_llm.return_value = ("CTX", "SELECT 1;")
test_text = r"\llm prompt 'Test?'"
context, sql, duration = handle_llm(test_text, executor)
mock_ensure_template.assert_called_once()
mock_sql_using_llm.assert_called()
assert context == "CTX"
assert sql == "SELECT 1;"
assert isinstance(duration, float)
@patch("mycli.packages.special.llm.llm")
@patch("mycli.packages.special.llm.ensure_mycli_template")
@patch("mycli.packages.special.llm.sql_using_llm")
def test_llm_command_question_with_context(mock_sql_using_llm, mock_ensure_template, mock_llm, executor):
r"""
\llm 'question' treats as prompt and returns SQL
"""
mock_sql_using_llm.return_value = ("CTX2", "SELECT 2;")
test_text = r"\llm 'Top 10?'"
context, sql, duration = handle_llm(test_text, executor)
mock_ensure_template.assert_called_once()
mock_sql_using_llm.assert_called()
assert context == "CTX2"
assert sql == "SELECT 2;"
assert isinstance(duration, float)
@patch("mycli.packages.special.llm.llm")
@patch("mycli.packages.special.llm.ensure_mycli_template")
@patch("mycli.packages.special.llm.sql_using_llm")
def test_llm_command_question_verbose(mock_sql_using_llm, mock_ensure_template, mock_llm, executor):
r"""
\llm+ returns verbose context and SQL
"""
mock_sql_using_llm.return_value = ("NO_CTX", "SELECT 42;")
test_text = r"\llm- 'Succinct?'"
context, sql, duration = handle_llm(test_text, executor)
assert context == ""
assert sql == "SELECT 42;"
assert isinstance(duration, float)
def test_is_llm_command():
# Valid llm command variants
for cmd in ["\\llm", "\\ai"]:
assert is_llm_command(cmd + " 'x'")
# Invalid commands
assert not is_llm_command("select * from table;")
def test_sql_using_llm_no_connection():
# Should error if no database cursor provided
with pytest.raises(RuntimeError) as exc_info:
sql_using_llm(None, question="test")
assert "Connect to a database" in str(exc_info.value)
# Test sql_using_llm with dummy cursor and fenced SQL output
@patch("mycli.packages.special.llm.run_external_cmd")
def test_sql_using_llm_success(mock_run_cmd):
# Dummy cursor simulating database schema and sample data
class DummyCursor:
def __init__(self):
self._last = []
def execute(self, query):
if "information_schema.columns" in query:
self._last = [("table1(col1 int,col2 text)",), ("table2(colA varchar(20))",)]
elif query.strip().upper().startswith("SHOW TABLES"):
self._last = [("table1",), ("table2",)]
elif query.strip().upper().startswith("SELECT * FROM"):
self.description = [("col1", None), ("col2", None)]
self._row = (1, "abc")
def fetchall(self):
return getattr(self, "_last", [])
def fetchone(self):
return getattr(self, "_row", None)
dummy_cur = DummyCursor()
# Simulate llm CLI returning a fenced SQL result
sql_text = "SELECT 1, 'abc';"
fenced = f"Note\n```sql\n{sql_text}\n```"
mock_run_cmd.return_value = (0, fenced)
result, sql = sql_using_llm(dummy_cur, question="dummy")
assert result == fenced
assert sql == sql_text
# Test handle_llm supports alias prefixes without args
@pytest.mark.parametrize("prefix", [r"\\llm", r".llm", r"\\ai", r".ai"])
def test_handle_llm_aliases_without_args(prefix, executor, monkeypatch):
# Ensure llm is available
from mycli.packages.special import llm as llm_module
monkeypatch.setattr(llm_module, "llm", object())
with pytest.raises(FinishIteration) as exc_info:
handle_llm(prefix, executor)
assert exc_info.value.args[0] == [(None, None, None, USAGE)]
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