feat: add crewai test feature (#984)

* feat: add crewai test feature

* fix: remove unused import

* feat: update docstirng

* fix: tests

tests/cli/cli_test.py

@@ -3,7 +3,7 @@ from unittest import mock
 import pytest
 from click.testing import CliRunner
 
-from crewai.cli.cli import train, version, reset_memories
+from crewai.cli.cli import reset_memories, test, train, version
 
 
 @pytest.fixture
@@ -133,3 +133,33 @@ def test_version_command_with_tools(runner):
         "crewai tools version:" in result.output
         or "crewai tools not installed" in result.output
     )
+
+
+@mock.patch("crewai.cli.cli.test_crew")
+def test_test_default_iterations(test_crew, runner):
+    result = runner.invoke(test)
+
+    test_crew.assert_called_once_with(3, "gpt-4o-mini")
+    assert result.exit_code == 0
+    assert "Testing the crew for 3 iterations with model gpt-4o-mini" in result.output
+
+
+@mock.patch("crewai.cli.cli.test_crew")
+def test_test_custom_iterations(test_crew, runner):
+    result = runner.invoke(test, ["--n_iterations", "5", "--model", "gpt-4o"])
+
+    test_crew.assert_called_once_with(5, "gpt-4o")
+    assert result.exit_code == 0
+    assert "Testing the crew for 5 iterations with model gpt-4o" in result.output
+
+
+@mock.patch("crewai.cli.cli.test_crew")
+def test_test_invalid_string_iterations(test_crew, runner):
+    result = runner.invoke(test, ["--n_iterations", "invalid"])
+
+    test_crew.assert_not_called()
+    assert result.exit_code == 2
+    assert (
+        "Usage: test [OPTIONS]\nTry 'test --help' for help.\n\nError: Invalid value for '-n' / '--n_iterations': 'invalid' is not a valid integer.\n"
+        in result.output
+    )

tests/cli/test_crew_test.py

@@ -0,0 +1,97 @@
+import subprocess
+from unittest import mock
+
+import pytest
+
+from crewai.cli import test_crew
+
+
+@pytest.mark.parametrize(
+    "n_iterations,model",
+    [
+        (1, "gpt-4o"),
+        (5, "gpt-3.5-turbo"),
+        (10, "gpt-4"),
+    ],
+)
+@mock.patch("crewai.cli.test_crew.subprocess.run")
+def test_crew_success(mock_subprocess_run, n_iterations, model):
+    """Test the crew function for successful execution."""
+    mock_subprocess_run.return_value = subprocess.CompletedProcess(
+        args=f"poetry run test {n_iterations} {model}", returncode=0
+    )
+    result = test_crew.test_crew(n_iterations, model)
+
+    mock_subprocess_run.assert_called_once_with(
+        ["poetry", "run", "test", str(n_iterations), model],
+        capture_output=False,
+        text=True,
+        check=True,
+    )
+    assert result is None
+
+
+@mock.patch("crewai.cli.test_crew.click")
+def test_test_crew_zero_iterations(click):
+    test_crew.test_crew(0, "gpt-4o")
+    click.echo.assert_called_once_with(
+        "An unexpected error occurred: The number of iterations must be a positive integer.",
+        err=True,
+    )
+
+
+@mock.patch("crewai.cli.test_crew.click")
+def test_test_crew_negative_iterations(click):
+    test_crew.test_crew(-2, "gpt-4o")
+    click.echo.assert_called_once_with(
+        "An unexpected error occurred: The number of iterations must be a positive integer.",
+        err=True,
+    )
+
+
+@mock.patch("crewai.cli.test_crew.click")
+@mock.patch("crewai.cli.test_crew.subprocess.run")
+def test_test_crew_called_process_error(mock_subprocess_run, click):
+    n_iterations = 5
+    mock_subprocess_run.side_effect = subprocess.CalledProcessError(
+        returncode=1,
+        cmd=["poetry", "run", "test", str(n_iterations), "gpt-4o"],
+        output="Error",
+        stderr="Some error occurred",
+    )
+    test_crew.test_crew(n_iterations, "gpt-4o")
+
+    mock_subprocess_run.assert_called_once_with(
+        ["poetry", "run", "test", "5", "gpt-4o"],
+        capture_output=False,
+        text=True,
+        check=True,
+    )
+    click.echo.assert_has_calls(
+        [
+            mock.call.echo(
+                "An error occurred while testing the crew: Command '['poetry', 'run', 'test', '5', 'gpt-4o']' returned non-zero exit status 1.",
+                err=True,
+            ),
+            mock.call.echo("Error", err=True),
+        ]
+    )
+
+
+@mock.patch("crewai.cli.test_crew.click")
+@mock.patch("crewai.cli.test_crew.subprocess.run")
+def test_test_crew_unexpected_exception(mock_subprocess_run, click):
+    # Arrange
+    n_iterations = 5
+    mock_subprocess_run.side_effect = Exception("Unexpected error")
+    test_crew.test_crew(n_iterations, "gpt-4o")
+
+    mock_subprocess_run.assert_called_once_with(
+        ["poetry", "run", "test", "5", "gpt-4o"],
+        capture_output=False,
+        text=True,
+        check=True,
+    )
+    click.echo.assert_called_once_with(
+        "An unexpected error occurred: Unexpected error", err=True
+    )