Unit test generated by RoostGPT

.roost/runreport.json

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+}

adk/a2a/converters/event_converter/test_convert_a2a_task_to_event.py

@@ -0,0 +1,123 @@
+# ROOST_METHOD_HASH=convert_a2a_task_to_event_40cb3ce258
+# ROOST_METHOD_SIG_HASH=convert_a2a_task_to_event_124ed678ea
+
+"""Tests for `src.google.adk.a2a.converters.event_converter.convert_a2a_task_to_event`.
+
+Auto-generated by roost-pytest. Re-generate when the source
+changes; see the run report for generation details.
+"""
+# Source: src/google/adk/a2a/converters/event_converter.py:201-265
+# Scenarios:
+#   - [happy_path] happy_path_extract_from_artifacts: Verify that the function extracts the message from the last artifact when artifacts are present.
+#   - [happy_path] happy_path_extract_from_history: Verify that the function falls back to history when artifacts and status message are missing.
+#   - [happy_path] happy_path_no_message_minimal_event: Verify that a minimal Event is returned when no message content can be found in the task.
+#   - [edge_case] edge_case_with_context: Verify that invocation_id and branch are correctly propagated from the InvocationContext.
+#   - [error_path] error_path_none_input: Verify that a ValueError is raised if the input task is None.
+#   - [error_path] error_path_conversion_exception: Verify that a RuntimeError is raised if the underlying message conversion fails.
+
+import pytest
+from unittest.mock import MagicMock, patch
+from a2a.types import Task, Message, Role, TextPart, Part as A2APart
+from google.adk.agents.invocation_context import InvocationContext
+from google.adk.events.event import Event
+from google.adk.a2a.converters.event_converter import convert_a2a_task_to_event
+from google.adk.a2a.converters.part_converter import convert_a2a_part_to_genai_part
+
+@pytest.mark.generated
+@pytest.mark.happy_path
+def test_happy_path_extract_from_artifacts():
+    """Verify that the function extracts the message from the last artifact when artifacts are present."""
+    mock_task = MagicMock(spec=Task)
+    mock_artifact = MagicMock()
+    # Use TextPart here; Message will wrap it in A2APart
+    mock_artifact.parts = [TextPart(text='part1')]
+    mock_task.artifacts = [mock_artifact]
+    mock_task.status = None
+    mock_task.history = []
+
+    with patch('google.adk.a2a.converters.event_converter.convert_a2a_message_to_event') as mock_conv:
+        mock_conv.return_value = Event(invocation_id='123', author='a2a agent')
+        result = convert_a2a_task_to_event(mock_task)
+
+        mock_conv.assert_called_once()
+        call_args = mock_conv.call_args[0]
+        assert isinstance(call_args[0], Message)
+        # Message.parts will contain A2APart objects wrapping the TextPart
+        assert call_args[0].parts == [A2APart(root=TextPart(text='part1'))]
+        assert call_args[0].role == Role.agent
+        assert result == mock_conv.return_value
+
+@pytest.mark.generated
+@pytest.mark.happy_path
+def test_happy_path_extract_from_history():
+    """Verify that the function falls back to history when artifacts and status message are missing."""
+    mock_task = MagicMock(spec=Task)
+    mock_task.artifacts = []
+    mock_task.status = None
+    hist_message = Message(message_id='m1', role=Role.agent, parts=[TextPart(text='hist_part')])
+    mock_task.history = [hist_message]
+
+    with patch('google.adk.a2a.converters.event_converter.convert_a2a_message_to_event') as mock_conv:
+        mock_conv.return_value = Event(invocation_id='123', author='a2a agent')
+        result = convert_a2a_task_to_event(mock_task)
+
+        mock_conv.assert_called_once_with(
+            hist_message, None, None, part_converter=convert_a2a_part_to_genai_part
+        )
+        assert result == mock_conv.return_value
+
+@pytest.mark.generated
+@pytest.mark.happy_path
+def test_happy_path_no_message_minimal_event():
+    """Verify that a minimal Event is returned when no message content can be found in the task."""
+    mock_task = MagicMock(spec=Task)
+    mock_task.artifacts = []
+    mock_task.status = None
+    mock_task.history = []
+
+    result = convert_a2a_task_to_event(mock_task, author='custom-author')
+
+    assert isinstance(result, Event)
+    assert result.author == 'custom-author'
+    assert result.content is None
+    assert len(result.invocation_id) > 0
+
+@pytest.mark.generated
+@pytest.mark.edge_case
+def test_edge_case_with_context():
+    """Verify that invocation_id and branch are correctly propagated from the InvocationContext."""
+    mock_task = MagicMock(spec=Task)
+    mock_task.artifacts = []
+    mock_task.status = None
+    mock_task.history = []
+    ctx = MagicMock(spec=InvocationContext)
+    ctx.invocation_id = 'inv-456'
+    ctx.branch = 'main.sub'
+
+    result = convert_a2a_task_to_event(mock_task, invocation_context=ctx)
+
+    assert result.invocation_id == 'inv-456'
+    assert result.branch == 'main.sub'
+
+@pytest.mark.generated
+@pytest.mark.error_path
+def test_error_path_none_input():
+    """Verify that a ValueError is raised if the input task is None."""
+    with pytest.raises(ValueError, match="A2A task cannot be None"):
+        convert_a2a_task_to_event(None)
+
+@pytest.mark.generated
+@pytest.mark.error_path
+def test_error_path_conversion_exception():
+    """Verify that a RuntimeError is raised if the underlying message conversion fails."""
+    mock_task = MagicMock(spec=Task)
+    mock_artifact = MagicMock()
+    mock_artifact.parts = [TextPart(text='p')]
+    mock_task.artifacts = [mock_artifact]
+    mock_task.status = None
+    mock_task.history = []
+
+    with patch('google.adk.a2a.converters.event_converter.convert_a2a_message_to_event', 
+               side_effect=Exception('inner error')):
+        with pytest.raises(RuntimeError, match="Failed to convert task message: inner error"):
+            convert_a2a_task_to_event(mock_task)

conftest.py

@@ -0,0 +1,27 @@
+"""roost-pytest test-suite configuration.
+
+This file is auto-generated. It registers the custom markers used by
+generated tests so pytest doesn't warn ``PytestUnknownMarkWarning``.
+Add your own fixtures/hooks below the marker block as you would in
+any pytest project.
+"""
+
+from __future__ import annotations
+
+import pytest
+
+
+_GENERATED_MARKERS = {
+    'generated': 'test was auto-generated by roost-pytest',
+    'happy_path': 'exercises the primary success path',
+    'edge_case': 'exercises an edge / boundary condition',
+    'error_path': 'exercises an exception or failure path',
+    'security': 'exercises a security-sensitive behaviour',
+    'property': 'property / invariant test (often parametrised)',
+    'regression': 'guards against a previously fixed bug',
+}
+
+
+def pytest_configure(config: pytest.Config) -> None:
+    for name, description in _GENERATED_MARKERS.items():
+        config.addinivalue_line("markers", f"{name}: {description}")

pyproject.toml

@@ -136,6 +136,8 @@ test = [
   "rouge-score>=0.1.2",
   "tabulate>=0.9.0",
   # go/keep-sorted end
+  "a2a",
+  "google"
 ]
 
 docs = [