RA.Aid/tests/ra_aid/proc/test_interactive.py

144 lines
5.2 KiB
Python

"""Tests for the interactive subprocess module."""
import os
import sys
import pytest
import tempfile
from ra_aid.proc.interactive import run_interactive_command
def test_basic_command():
"""Test running a basic command."""
output, retcode = run_interactive_command(["echo", "hello world"])
assert b"hello world" in output
assert retcode == 0
def test_shell_pipeline():
"""Test running a shell pipeline command."""
output, retcode = run_interactive_command(["/bin/bash", "-c", "echo 'hello world' | grep 'world'"])
assert b"world" in output
assert retcode == 0
def test_stderr_capture():
"""Test that stderr is properly captured in combined output."""
# Use a command that definitely writes to stderr
output, retcode = run_interactive_command(["/bin/bash", "-c", "ls /nonexistent/path"])
assert b"No such file or directory" in output
assert retcode != 0 # ls returns 0 upon success
def test_command_not_found():
"""Test handling of non-existent commands."""
with pytest.raises(FileNotFoundError):
run_interactive_command(["nonexistentcommand"])
def test_empty_command():
"""Test handling of empty commands."""
with pytest.raises(ValueError):
run_interactive_command([])
def test_interactive_command():
"""Test running an interactive command.
This test verifies that output appears in real-time using process substitution.
We use a command that prints to both stdout and stderr to verify capture."""
output, retcode = run_interactive_command(["/bin/bash", "-c", "echo stdout; echo stderr >&2"])
assert b"stdout" in output
assert b"stderr" in output
assert retcode == 0
def test_large_output():
"""Test handling of commands that produce large output."""
# Generate a large output with predictable content
cmd = "for i in {1..10000}; do echo \"Line $i of test output\"; done"
output, retcode = run_interactive_command(["/bin/bash", "-c", cmd])
# Clean up specific artifacts (e.g., ^D)
output_cleaned = output.lstrip(b'^D') # Remove the leading ^D if present
# Split and filter lines
lines = [line.strip() for line in output_cleaned.splitlines() if b"Script" not in line and line.strip()]
# Verify we got all 10000 lines
assert len(lines) == 10000, f"Expected 10000 lines, but got {len(lines)}"
# Verify content of some lines
assert lines[0] == b"Line 1 of test output", f"Unexpected line: {lines[0]}"
assert lines[999] == b"Line 1000 of test output", f"Unexpected line: {lines[999]}"
assert lines[-1] == b"Line 10000 of test output", f"Unexpected line: {lines[-1]}"
# Verify return code
assert retcode == 0, f"Unexpected return code: {retcode}"
def test_unicode_handling():
"""Test handling of unicode characters."""
test_string = "Hello "
output, retcode = run_interactive_command(["/bin/bash", "-c", f"echo '{test_string}'"])
assert test_string.encode() in output
assert retcode == 0
def test_multiple_commands():
"""Test running multiple commands in sequence."""
output, retcode = run_interactive_command(["/bin/bash", "-c", "echo 'first'; echo 'second'"])
assert b"first" in output
assert b"second" in output
assert retcode == 0
def test_cat_medium_file():
"""Test that cat command properly captures output for medium-length files."""
# Create a temporary file with known content
with tempfile.NamedTemporaryFile(mode='w', delete=False) as f:
for i in range(500):
f.write(f"This is test line {i}\n")
temp_path = f.name
try:
output, retcode = run_interactive_command(["/bin/bash", "-c", f"cat {temp_path}"])
# Split by newlines and filter out script header/footer lines
lines = [line for line in output.splitlines() if b"Script" not in line and line.strip()]
assert len(lines) == 500
assert retcode == 0
# Verify content integrity by checking first and last lines
assert b"This is test line 0" in lines[0]
assert b"This is test line 499" in lines[-1]
finally:
os.unlink(temp_path)
def test_realtime_output():
"""Test that output appears in real-time and is captured correctly."""
# Create a command that sleeps briefly between outputs
cmd = "echo 'first'; sleep 0.1; echo 'second'; sleep 0.1; echo 'third'"
output, retcode = run_interactive_command(["/bin/bash", "-c", cmd])
# Filter out script header/footer lines
lines = [line for line in output.splitlines() if b"Script" not in line and line.strip()]
assert b"first" in lines[0]
assert b"second" in lines[1]
assert b"third" in lines[2]
assert retcode == 0
def test_tty_available():
"""Test that commands have access to a TTY."""
# Run the tty command
output, retcode = run_interactive_command(["/bin/bash", "-c", "tty"])
# Clean up specific artifacts (e.g., ^D)
output_cleaned = output.lstrip(b'^D') # Remove leading ^D if present
# Debug: Print cleaned output
print(f"Cleaned TTY Output: {output_cleaned}")
# Check if the output contains a valid TTY path
assert b"/dev/pts/" in output_cleaned or b"/dev/ttys" in output_cleaned, f"Unexpected TTY output: {output_cleaned}"
assert retcode == 0