openwebui-cli/tests/test_chat_streaming_basic.py
2025-12-01 04:24:51 +01:00

488 lines
19 KiB
Python

"""Tests for basic chat streaming functionality."""
import json
from unittest.mock import MagicMock, Mock, patch
import pytest
from typer.testing import CliRunner
from openwebui_cli.main import app
runner = CliRunner()
class MockStreamResponse:
"""Mock streaming response for testing."""
def __init__(self, lines, status_code=200):
self.lines = lines
self.status_code = status_code
def __enter__(self):
return self
def __exit__(self, *args):
pass
def iter_lines(self):
"""Yield lines one by one."""
for line in self.lines:
yield line
@pytest.fixture
def mock_config(tmp_path, monkeypatch):
"""Mock configuration for testing."""
config_dir = tmp_path / "openwebui"
config_path = config_dir / "config.yaml"
monkeypatch.setattr("openwebui_cli.config.get_config_dir", lambda: config_dir)
monkeypatch.setattr("openwebui_cli.config.get_config_path", lambda: config_path)
# Create default config
from openwebui_cli.config import Config, save_config
config = Config()
save_config(config)
return config_path
@pytest.fixture
def mock_keyring(monkeypatch):
"""Mock keyring for testing."""
token_store = {}
def get_password(service, key):
return token_store.get(f"{service}:{key}")
def set_password(service, key, password):
token_store[f"{service}:{key}"] = password
monkeypatch.setattr("keyring.get_password", get_password)
monkeypatch.setattr("keyring.set_password", set_password)
class TestStreamingBasic:
"""Test basic streaming functionality."""
def test_streaming_single_chunk(self, mock_config, mock_keyring):
"""Test streaming with a single chunk."""
streaming_lines = [
'data: {"choices": [{"delta": {"content": "Hello"}}]}',
"data: [DONE]",
]
with patch("openwebui_cli.commands.chat.create_client") as mock_client:
mock_stream = MockStreamResponse(streaming_lines)
mock_http_client = MagicMock()
mock_http_client.__enter__.return_value = mock_http_client
mock_http_client.__exit__.return_value = None
mock_http_client.stream.return_value = mock_stream
mock_client.return_value = mock_http_client
result = runner.invoke(
app,
["chat", "send", "-m", "test-model", "-p", "Hello"],
)
assert result.exit_code == 0
assert "Hello" in result.stdout
def test_streaming_multiple_chunks(self, mock_config, mock_keyring):
"""Test streaming with multiple chunks accumulating content."""
streaming_lines = [
'data: {"choices": [{"delta": {"content": "Hello"}}]}',
'data: {"choices": [{"delta": {"content": " "}}]}',
'data: {"choices": [{"delta": {"content": "world"}}]}',
"data: [DONE]",
]
with patch("openwebui_cli.commands.chat.create_client") as mock_client:
mock_stream = MockStreamResponse(streaming_lines)
mock_http_client = MagicMock()
mock_http_client.__enter__.return_value = mock_http_client
mock_http_client.__exit__.return_value = None
mock_http_client.stream.return_value = mock_stream
mock_client.return_value = mock_http_client
result = runner.invoke(
app,
["chat", "send", "-m", "test-model", "-p", "Hello"],
)
assert result.exit_code == 0
# All chunks should appear in output
assert "Hello" in result.stdout
assert "world" in result.stdout
def test_streaming_with_empty_deltas(self, mock_config, mock_keyring):
"""Test streaming handles empty delta content gracefully."""
streaming_lines = [
'data: {"choices": [{"delta": {"content": "Start"}}]}',
'data: {"choices": [{"delta": {}}]}', # Empty delta
'data: {"choices": [{"delta": {"content": "End"}}]}',
"data: [DONE]",
]
with patch("openwebui_cli.commands.chat.create_client") as mock_client:
mock_stream = MockStreamResponse(streaming_lines)
mock_http_client = MagicMock()
mock_http_client.__enter__.return_value = mock_http_client
mock_http_client.__exit__.return_value = None
mock_http_client.stream.return_value = mock_stream
mock_client.return_value = mock_http_client
result = runner.invoke(
app,
["chat", "send", "-m", "test-model", "-p", "Test"],
)
assert result.exit_code == 0
assert "Start" in result.stdout
assert "End" in result.stdout
def test_streaming_with_special_characters(self, mock_config, mock_keyring):
"""Test streaming preserves special characters and unicode."""
streaming_lines = [
'data: {"choices": [{"delta": {"content": "Hello 世界"}}]}',
'data: {"choices": [{"delta": {"content": " \\n\\t"}}]}',
'data: {"choices": [{"delta": {"content": "emoji: 🎉"}}]}',
"data: [DONE]",
]
with patch("openwebui_cli.commands.chat.create_client") as mock_client:
mock_stream = MockStreamResponse(streaming_lines)
mock_http_client = MagicMock()
mock_http_client.__enter__.return_value = mock_http_client
mock_http_client.__exit__.return_value = None
mock_http_client.stream.return_value = mock_stream
mock_client.return_value = mock_http_client
result = runner.invoke(
app,
["chat", "send", "-m", "test-model", "-p", "Test"],
)
assert result.exit_code == 0
assert "世界" in result.stdout
assert "emoji:" in result.stdout
def test_streaming_malformed_json_skipped(self, mock_config, mock_keyring):
"""Test streaming skips malformed JSON chunks gracefully."""
streaming_lines = [
'data: {"choices": [{"delta": {"content": "Valid"}}]}',
'data: {invalid json here}', # Malformed JSON
'data: {"choices": [{"delta": {"content": " content"}}]}',
"data: [DONE]",
]
with patch("openwebui_cli.commands.chat.create_client") as mock_client:
mock_stream = MockStreamResponse(streaming_lines)
mock_http_client = MagicMock()
mock_http_client.__enter__.return_value = mock_http_client
mock_http_client.__exit__.return_value = None
mock_http_client.stream.return_value = mock_stream
mock_client.return_value = mock_http_client
result = runner.invoke(
app,
["chat", "send", "-m", "test-model", "-p", "Test"],
)
# Should succeed despite malformed chunk
assert result.exit_code == 0
assert "Valid" in result.stdout
assert "content" in result.stdout
def test_streaming_final_newline(self, mock_config, mock_keyring):
"""Test streaming prints final newline after stream ends."""
streaming_lines = [
'data: {"choices": [{"delta": {"content": "Content"}}]}',
"data: [DONE]",
]
with patch("openwebui_cli.commands.chat.create_client") as mock_client:
mock_stream = MockStreamResponse(streaming_lines)
mock_http_client = MagicMock()
mock_http_client.__enter__.return_value = mock_http_client
mock_http_client.__exit__.return_value = None
mock_http_client.stream.return_value = mock_stream
mock_client.return_value = mock_http_client
result = runner.invoke(
app,
["chat", "send", "-m", "test-model", "-p", "Test"],
)
assert result.exit_code == 0
# Output should have the content followed by newline
assert result.stdout.rstrip() == "Content"
def test_streaming_done_marker_stops_processing(self, mock_config, mock_keyring):
"""Test [DONE] marker stops stream processing."""
streaming_lines = [
'data: {"choices": [{"delta": {"content": "First"}}]}',
"data: [DONE]",
'data: {"choices": [{"delta": {"content": "Never"}}]}', # Should not appear
]
with patch("openwebui_cli.commands.chat.create_client") as mock_client:
mock_stream = MockStreamResponse(streaming_lines)
mock_http_client = MagicMock()
mock_http_client.__enter__.return_value = mock_http_client
mock_http_client.__exit__.return_value = None
mock_http_client.stream.return_value = mock_stream
mock_client.return_value = mock_http_client
result = runner.invoke(
app,
["chat", "send", "-m", "test-model", "-p", "Test"],
)
assert result.exit_code == 0
assert "First" in result.stdout
assert "Never" not in result.stdout
class TestStreamingJson:
"""Test streaming with JSON output flag."""
def test_streaming_json_basic(self, mock_config, mock_keyring):
"""Test streaming with --json flag outputs JSON at end."""
streaming_lines = [
'data: {"choices": [{"delta": {"content": "Hello"}}]}',
'data: {"choices": [{"delta": {"content": " "}}]}',
'data: {"choices": [{"delta": {"content": "world"}}]}',
"data: [DONE]",
]
with patch("openwebui_cli.commands.chat.create_client") as mock_client:
mock_stream = MockStreamResponse(streaming_lines)
mock_http_client = MagicMock()
mock_http_client.__enter__.return_value = mock_http_client
mock_http_client.__exit__.return_value = None
mock_http_client.stream.return_value = mock_stream
mock_client.return_value = mock_http_client
result = runner.invoke(
app,
["chat", "send", "-m", "test-model", "-p", "Hello", "--json"],
)
assert result.exit_code == 0
# Should contain JSON output
assert "content" in result.stdout
# JSON should have accumulated content
assert "Hello world" in result.stdout or ("Hello" in result.stdout and "world" in result.stdout)
def test_streaming_json_single_chunk(self, mock_config, mock_keyring):
"""Test JSON output with single chunk."""
streaming_lines = [
'data: {"choices": [{"delta": {"content": "Test"}}]}',
"data: [DONE]",
]
with patch("openwebui_cli.commands.chat.create_client") as mock_client:
mock_stream = MockStreamResponse(streaming_lines)
mock_http_client = MagicMock()
mock_http_client.__enter__.return_value = mock_http_client
mock_http_client.__exit__.return_value = None
mock_http_client.stream.return_value = mock_stream
mock_client.return_value = mock_http_client
result = runner.invoke(
app,
["chat", "send", "-m", "test-model", "-p", "Test", "--json"],
)
assert result.exit_code == 0
# Verify JSON is in the output
assert "content" in result.stdout
assert '"Test"' in result.stdout
def test_streaming_json_preserves_content(self, mock_config, mock_keyring):
"""Test JSON output preserves all streamed content."""
streaming_lines = [
'data: {"choices": [{"delta": {"content": "Line 1"}}]}',
'data: {"choices": [{"delta": {"content": "\\n"}}]}',
'data: {"choices": [{"delta": {"content": "Line 2"}}]}',
"data: [DONE]",
]
with patch("openwebui_cli.commands.chat.create_client") as mock_client:
mock_stream = MockStreamResponse(streaming_lines)
mock_http_client = MagicMock()
mock_http_client.__enter__.return_value = mock_http_client
mock_http_client.__exit__.return_value = None
mock_http_client.stream.return_value = mock_stream
mock_client.return_value = mock_http_client
result = runner.invoke(
app,
["chat", "send", "-m", "test-model", "-p", "Test", "--json"],
)
assert result.exit_code == 0
# Verify all content is in output
assert "Line 1" in result.stdout
assert "Line 2" in result.stdout
assert "content" in result.stdout
def test_streaming_json_empty_content(self, mock_config, mock_keyring):
"""Test JSON output with empty stream."""
streaming_lines = [
"data: [DONE]",
]
with patch("openwebui_cli.commands.chat.create_client") as mock_client:
mock_stream = MockStreamResponse(streaming_lines)
mock_http_client = MagicMock()
mock_http_client.__enter__.return_value = mock_http_client
mock_http_client.__exit__.return_value = None
mock_http_client.stream.return_value = mock_stream
mock_client.return_value = mock_http_client
result = runner.invoke(
app,
["chat", "send", "-m", "test-model", "-p", "Test", "--json"],
)
assert result.exit_code == 0
# Should still have valid JSON even with empty content
assert "content" in result.stdout
assert "{" in result.stdout
def test_streaming_json_with_special_chars(self, mock_config, mock_keyring):
"""Test JSON properly escapes special characters."""
streaming_lines = [
'data: {"choices": [{"delta": {"content": "Quote: \\"test\\""}}]}',
'data: {"choices": [{"delta": {"content": " Newline: \\n End"}}]}',
"data: [DONE]",
]
with patch("openwebui_cli.commands.chat.create_client") as mock_client:
mock_stream = MockStreamResponse(streaming_lines)
mock_http_client = MagicMock()
mock_http_client.__enter__.return_value = mock_http_client
mock_http_client.__exit__.return_value = None
mock_http_client.stream.return_value = mock_stream
mock_client.return_value = mock_http_client
result = runner.invoke(
app,
["chat", "send", "-m", "test-model", "-p", "Test", "--json"],
)
assert result.exit_code == 0
# Verify JSON is in output and contains special characters
assert "content" in result.stdout
assert "Quote:" in result.stdout or "test" in result.stdout
class TestStreamingIntegration:
"""Integration tests for streaming behavior."""
def test_streaming_without_json_flag_no_json_output(self, mock_config, mock_keyring):
"""Test that without --json flag, only text is printed."""
streaming_lines = [
'data: {"choices": [{"delta": {"content": "Hello"}}]}',
"data: [DONE]",
]
with patch("openwebui_cli.commands.chat.create_client") as mock_client:
mock_stream = MockStreamResponse(streaming_lines)
mock_http_client = MagicMock()
mock_http_client.__enter__.return_value = mock_http_client
mock_http_client.__exit__.return_value = None
mock_http_client.stream.return_value = mock_stream
mock_client.return_value = mock_http_client
result = runner.invoke(
app,
["chat", "send", "-m", "test-model", "-p", "Hello"],
)
assert result.exit_code == 0
# Should have content but NOT JSON object
assert "Hello" in result.stdout
assert "{" not in result.stdout or "content" not in result.stdout
def test_streaming_accumulates_before_json_output(self, mock_config, mock_keyring):
"""Test that JSON output contains full accumulated content."""
streaming_lines = [
'data: {"choices": [{"delta": {"content": "A"}}]}',
'data: {"choices": [{"delta": {"content": "B"}}]}',
'data: {"choices": [{"delta": {"content": "C"}}]}',
"data: [DONE]",
]
with patch("openwebui_cli.commands.chat.create_client") as mock_client:
mock_stream = MockStreamResponse(streaming_lines)
mock_http_client = MagicMock()
mock_http_client.__enter__.return_value = mock_http_client
mock_http_client.__exit__.return_value = None
mock_http_client.stream.return_value = mock_stream
mock_client.return_value = mock_http_client
result = runner.invoke(
app,
["chat", "send", "-m", "test-model", "-p", "Test", "--json"],
)
assert result.exit_code == 0
# Verify all chunks are accumulated and in output
assert "A" in result.stdout
assert "B" in result.stdout
assert "C" in result.stdout
assert "content" in result.stdout
def test_streaming_response_status_200(self, mock_config, mock_keyring):
"""Test streaming handles 200 status code."""
streaming_lines = [
'data: {"choices": [{"delta": {"content": "OK"}}]}',
"data: [DONE]",
]
with patch("openwebui_cli.commands.chat.create_client") as mock_client:
mock_stream = MockStreamResponse(streaming_lines, status_code=200)
mock_http_client = MagicMock()
mock_http_client.__enter__.return_value = mock_http_client
mock_http_client.__exit__.return_value = None
mock_http_client.stream.return_value = mock_stream
mock_client.return_value = mock_http_client
result = runner.invoke(
app,
["chat", "send", "-m", "test-model", "-p", "Test"],
)
assert result.exit_code == 0
assert "OK" in result.stdout
def test_streaming_long_content(self, mock_config, mock_keyring):
"""Test streaming handles large accumulated content."""
# Generate 100 chunks
streaming_lines = [
f'data: {{"choices": [{{"delta": {{"content": "chunk{i} "}}}}]}}'
for i in range(100)
]
streaming_lines.append("data: [DONE]")
with patch("openwebui_cli.commands.chat.create_client") as mock_client:
mock_stream = MockStreamResponse(streaming_lines)
mock_http_client = MagicMock()
mock_http_client.__enter__.return_value = mock_http_client
mock_http_client.__exit__.return_value = None
mock_http_client.stream.return_value = mock_stream
mock_client.return_value = mock_http_client
result = runner.invoke(
app,
["chat", "send", "-m", "test-model", "-p", "Test", "--json"],
)
assert result.exit_code == 0
# Verify first and last chunks are in output
assert "chunk0" in result.stdout
assert "chunk99" in result.stdout
assert "content" in result.stdout