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Release/v1.2 (#457)
* Bump setup.py versions for 1.1 * PoC MCP server (#419) * Very initial MCP server PoC for TrustGraph * Put service on port 8000 * Add MCP container and packages to buildout * Update docs for API/CLI changes in 1.0 (#421) * Update some API basics for the 0.23/1.0 API change * Add MCP container push (#425) * Add command args to the MCP server (#426) * Host and port parameters * Added websocket arg * More docs * MCP client support (#427) - MCP client service - Tool request/response schema - API gateway support for mcp-tool - Message translation for tool request & response - Make mcp-tool using configuration service for information about where the MCP services are. * Feature/react call mcp (#428) Key Features - MCP Tool Integration: Added core MCP tool support with ToolClientSpec and ToolClient classes - API Enhancement: New mcp_tool method for flow-specific tool invocation - CLI Tooling: New tg-invoke-mcp-tool command for testing MCP integration - React Agent Enhancement: Fixed and improved multi-tool invocation capabilities - Tool Management: Enhanced CLI for tool configuration and management Changes - Added MCP tool invocation to API with flow-specific integration - Implemented ToolClientSpec and ToolClient for tool call handling - Updated agent-manager-react to invoke MCP tools with configurable types - Enhanced CLI with new commands and improved help text - Added comprehensive documentation for new CLI commands - Improved tool configuration management Testing - Added tg-invoke-mcp-tool CLI command for isolated MCP integration testing - Enhanced agent capability to invoke multiple tools simultaneously * Test suite executed from CI pipeline (#433) * Test strategy & test cases * Unit tests * Integration tests * Extending test coverage (#434) * Contract tests * Testing embeedings * Agent unit tests * Knowledge pipeline tests * Turn on contract tests * Increase storage test coverage (#435) * Fixing storage and adding tests * PR pipeline only runs quick tests * Empty configuration is returned as empty list, previously was not in response (#436) * Update config util to take files as well as command-line text (#437) * Updated CLI invocation and config model for tools and mcp (#438) * Updated CLI invocation and config model for tools and mcp * CLI anomalies * Tweaked the MCP tool implementation for new model * Update agent implementation to match the new model * Fix agent tools, now all tested * Fixed integration tests * Fix MCP delete tool params * Update Python deps to 1.2 * Update to enable knowledge extraction using the agent framework (#439) * Implement KG extraction agent (kg-extract-agent) * Using ReAct framework (agent-manager-react) * ReAct manager had an issue when emitting JSON, which conflicts which ReAct manager's own JSON messages, so refactored ReAct manager to use traditional ReAct messages, non-JSON structure. * Minor refactor to take the prompt template client out of prompt-template so it can be more readily used by other modules. kg-extract-agent uses this framework. * Migrate from setup.py to pyproject.toml (#440) * Converted setup.py to pyproject.toml * Modern package infrastructure as recommended by py docs * Install missing build deps (#441) * Install missing build deps (#442) * Implement logging strategy (#444) * Logging strategy and convert all prints() to logging invocations * Fix/startup failure (#445) * Fix loggin startup problems * Fix logging startup problems (#446) * Fix logging startup problems (#447) * Fixed Mistral OCR to use current API (#448) * Fixed Mistral OCR to use current API * Added PDF decoder tests * Fix Mistral OCR ident to be standard pdf-decoder (#450) * Fix Mistral OCR ident to be standard pdf-decoder * Correct test * Schema structure refactor (#451) * Write schema refactor spec * Implemented schema refactor spec * Structure data mvp (#452) * Structured data tech spec * Architecture principles * New schemas * Updated schemas and specs * Object extractor * Add .coveragerc * New tests * Cassandra object storage * Trying to object extraction working, issues exist * Validate librarian collection (#453) * Fix token chunker, broken API invocation (#454) * Fix token chunker, broken API invocation (#455) * Knowledge load utility CLI (#456) * Knowledge loader * More tests
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229
tests/unit/test_decoding/test_pdf_decoder.py
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tests/unit/test_decoding/test_pdf_decoder.py
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"""
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Unit tests for trustgraph.decoding.pdf.pdf_decoder
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"""
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import pytest
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import base64
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import tempfile
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from unittest.mock import AsyncMock, MagicMock, patch, call
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from unittest import IsolatedAsyncioTestCase
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from trustgraph.decoding.pdf.pdf_decoder import Processor
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from trustgraph.schema import Document, TextDocument, Metadata
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class TestPdfDecoderProcessor(IsolatedAsyncioTestCase):
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"""Test PDF decoder processor functionality"""
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@patch('trustgraph.base.flow_processor.FlowProcessor.__init__')
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async def test_processor_initialization(self, mock_flow_init):
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"""Test PDF decoder processor initialization"""
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# Arrange
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mock_flow_init.return_value = None
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config = {
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'id': 'test-pdf-decoder',
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'taskgroup': AsyncMock()
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}
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# Act
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with patch.object(Processor, 'register_specification') as mock_register:
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processor = Processor(**config)
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# Assert
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mock_flow_init.assert_called_once()
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# Verify register_specification was called twice (consumer and producer)
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assert mock_register.call_count == 2
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# Check consumer spec
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consumer_call = mock_register.call_args_list[0]
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consumer_spec = consumer_call[0][0]
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assert consumer_spec.name == "input"
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assert consumer_spec.schema == Document
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assert consumer_spec.handler == processor.on_message
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# Check producer spec
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producer_call = mock_register.call_args_list[1]
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producer_spec = producer_call[0][0]
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assert producer_spec.name == "output"
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assert producer_spec.schema == TextDocument
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@patch('trustgraph.decoding.pdf.pdf_decoder.PyPDFLoader')
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@patch('trustgraph.base.flow_processor.FlowProcessor.__init__')
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async def test_on_message_success(self, mock_flow_init, mock_pdf_loader_class):
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"""Test successful PDF processing"""
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# Arrange
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mock_flow_init.return_value = None
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# Mock PDF content
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pdf_content = b"fake pdf content"
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pdf_base64 = base64.b64encode(pdf_content).decode('utf-8')
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# Mock PyPDFLoader
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mock_loader = MagicMock()
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mock_page1 = MagicMock(page_content="Page 1 content")
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mock_page2 = MagicMock(page_content="Page 2 content")
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mock_loader.load.return_value = [mock_page1, mock_page2]
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mock_pdf_loader_class.return_value = mock_loader
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# Mock message
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mock_metadata = Metadata(id="test-doc")
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mock_document = Document(metadata=mock_metadata, data=pdf_base64)
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mock_msg = MagicMock()
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mock_msg.value.return_value = mock_document
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# Mock flow - needs to be a callable that returns an object with send method
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mock_output_flow = AsyncMock()
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mock_flow = MagicMock(return_value=mock_output_flow)
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config = {
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'id': 'test-pdf-decoder',
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'taskgroup': AsyncMock()
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}
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with patch.object(Processor, 'register_specification'):
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processor = Processor(**config)
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# Act
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await processor.on_message(mock_msg, None, mock_flow)
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# Assert
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# Verify PyPDFLoader was called
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mock_pdf_loader_class.assert_called_once()
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mock_loader.load.assert_called_once()
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# Verify output was sent for each page
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assert mock_output_flow.send.call_count == 2
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# Check first page output
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first_call = mock_output_flow.send.call_args_list[0]
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first_output = first_call[0][0]
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assert isinstance(first_output, TextDocument)
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assert first_output.metadata == mock_metadata
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assert first_output.text == b"Page 1 content"
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# Check second page output
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second_call = mock_output_flow.send.call_args_list[1]
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second_output = second_call[0][0]
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assert isinstance(second_output, TextDocument)
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assert second_output.metadata == mock_metadata
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assert second_output.text == b"Page 2 content"
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@patch('trustgraph.decoding.pdf.pdf_decoder.PyPDFLoader')
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@patch('trustgraph.base.flow_processor.FlowProcessor.__init__')
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async def test_on_message_empty_pdf(self, mock_flow_init, mock_pdf_loader_class):
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"""Test handling of empty PDF"""
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# Arrange
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mock_flow_init.return_value = None
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# Mock PDF content
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pdf_content = b"fake pdf content"
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pdf_base64 = base64.b64encode(pdf_content).decode('utf-8')
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# Mock PyPDFLoader with no pages
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mock_loader = MagicMock()
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mock_loader.load.return_value = []
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mock_pdf_loader_class.return_value = mock_loader
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# Mock message
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mock_metadata = Metadata(id="test-doc")
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mock_document = Document(metadata=mock_metadata, data=pdf_base64)
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mock_msg = MagicMock()
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mock_msg.value.return_value = mock_document
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# Mock flow - needs to be a callable that returns an object with send method
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mock_output_flow = AsyncMock()
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mock_flow = MagicMock(return_value=mock_output_flow)
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config = {
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'id': 'test-pdf-decoder',
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'taskgroup': AsyncMock()
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}
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with patch.object(Processor, 'register_specification'):
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processor = Processor(**config)
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# Act
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await processor.on_message(mock_msg, None, mock_flow)
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# Assert
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# Verify PyPDFLoader was called
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mock_pdf_loader_class.assert_called_once()
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mock_loader.load.assert_called_once()
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# Verify no output was sent
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mock_output_flow.send.assert_not_called()
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@patch('trustgraph.decoding.pdf.pdf_decoder.PyPDFLoader')
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@patch('trustgraph.base.flow_processor.FlowProcessor.__init__')
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async def test_on_message_unicode_content(self, mock_flow_init, mock_pdf_loader_class):
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"""Test handling of unicode content in PDF"""
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# Arrange
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mock_flow_init.return_value = None
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# Mock PDF content
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pdf_content = b"fake pdf content"
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pdf_base64 = base64.b64encode(pdf_content).decode('utf-8')
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# Mock PyPDFLoader with unicode content
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mock_loader = MagicMock()
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mock_page = MagicMock(page_content="Page with unicode: 你好世界 🌍")
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mock_loader.load.return_value = [mock_page]
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mock_pdf_loader_class.return_value = mock_loader
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# Mock message
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mock_metadata = Metadata(id="test-doc")
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mock_document = Document(metadata=mock_metadata, data=pdf_base64)
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mock_msg = MagicMock()
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mock_msg.value.return_value = mock_document
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# Mock flow - needs to be a callable that returns an object with send method
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mock_output_flow = AsyncMock()
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mock_flow = MagicMock(return_value=mock_output_flow)
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config = {
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'id': 'test-pdf-decoder',
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'taskgroup': AsyncMock()
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}
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with patch.object(Processor, 'register_specification'):
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processor = Processor(**config)
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# Act
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await processor.on_message(mock_msg, None, mock_flow)
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# Assert
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# Verify output was sent
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mock_output_flow.send.assert_called_once()
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# Check output
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call_args = mock_output_flow.send.call_args[0][0]
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assert isinstance(call_args, TextDocument)
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assert call_args.text == "Page with unicode: 你好世界 🌍".encode('utf-8')
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@patch('trustgraph.base.flow_processor.FlowProcessor.add_args')
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def test_add_args(self, mock_parent_add_args):
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"""Test add_args calls parent method"""
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# Arrange
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mock_parser = MagicMock()
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# Act
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Processor.add_args(mock_parser)
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# Assert
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mock_parent_add_args.assert_called_once_with(mock_parser)
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@patch('trustgraph.decoding.pdf.pdf_decoder.Processor.launch')
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def test_run(self, mock_launch):
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"""Test run function"""
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# Act
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from trustgraph.decoding.pdf.pdf_decoder import run
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run()
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# Assert
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mock_launch.assert_called_once_with("pdf-decoder",
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"\nSimple decoder, accepts PDF documents on input, outputs pages from the\nPDF document as text as separate output objects.\n")
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if __name__ == '__main__':
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pytest.main([__file__])
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