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test
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‎tests/test_serialization_context.py‎

Lines changed: 112 additions & 80 deletions
Original file line numberDiff line numberDiff line change
@@ -5,6 +5,7 @@
55
import uuid
66
from dataclasses import dataclass, field
77
from datetime import timedelta
8+
from pprint import pprint
89
from typing import Any, Literal, Optional, Type
910

1011
from temporalio import activity, workflow
@@ -64,42 +65,6 @@ async def run(self, input: TraceData) -> TraceData:
6465
)
6566

6667

67-
def get_caller_location() -> list[str]:
68-
"""Get 3 stack frames starting from the first that's not in test_serialization_context.py or temporalio/converter.py."""
69-
frame = inspect.currentframe()
70-
result = []
71-
found_first = False
72-
73-
# Walk up the stack
74-
while frame and len(result) < 3:
75-
frame = frame.f_back
76-
if not frame:
77-
break
78-
79-
file_path = frame.f_code.co_filename
80-
81-
# Skip frames from test file and converter.py until we find the first one
82-
if not found_first:
83-
if "test_serialization_context.py" in file_path:
84-
continue
85-
if file_path.endswith("temporalio/converter.py"):
86-
continue
87-
found_first = True
88-
89-
# Format and add this frame
90-
line_number = frame.f_lineno
91-
display_path = file_path
92-
if "/sdk-python/" in display_path:
93-
display_path = display_path.split("/sdk-python/")[-1]
94-
result.append(f"{display_path}:{line_number}")
95-
96-
# Pad with "unknown:0" if we didn't get 3 frames
97-
while len(result) < 3:
98-
result.append("unknown:0")
99-
100-
return result
101-
102-
10368
class SerializationContextTestEncodingPayloadConverter(
10469
EncodingPayloadConverter, WithSerializationContext
10570
):
@@ -119,16 +84,30 @@ def with_context(
11984

12085
def to_payload(self, value: Any) -> Optional[Payload]:
12186
assert isinstance(value, TraceData)
122-
assert isinstance(self.context, WorkflowSerializationContext)
123-
value.items.append(
124-
TraceItem(
125-
context_type="workflow",
126-
in_workflow=workflow.in_workflow(),
127-
method="to_payload",
128-
context=self.context,
129-
caller_location=get_caller_location(),
87+
if not self.context:
88+
raise Exception("Context is None")
89+
if isinstance(self.context, WorkflowSerializationContext):
90+
value.items.append(
91+
TraceItem(
92+
context_type="workflow",
93+
in_workflow=workflow.in_workflow(),
94+
method="to_payload",
95+
context=self.context,
96+
caller_location=get_caller_location(),
97+
)
13098
)
131-
)
99+
elif isinstance(self.context, ActivitySerializationContext):
100+
value.items.append(
101+
TraceItem(
102+
context_type="activity",
103+
in_workflow=workflow.in_workflow(),
104+
method="to_payload",
105+
context=self.context,
106+
caller_location=get_caller_location(),
107+
)
108+
)
109+
else:
110+
raise Exception(f"Unexpected context type: {type(self.context)}")
132111
payload = JSONPlainPayloadConverter().to_payload(value)
133112
assert payload
134113
payload.metadata["encoding"] = self.encoding.encode()
@@ -137,16 +116,30 @@ def to_payload(self, value: Any) -> Optional[Payload]:
137116
def from_payload(self, payload: Payload, type_hint: Optional[Type] = None) -> Any:
138117
value = JSONPlainPayloadConverter().from_payload(payload, type_hint)
139118
assert isinstance(value, TraceData)
140-
assert isinstance(self.context, WorkflowSerializationContext)
141-
value.items.append(
142-
TraceItem(
143-
context_type="workflow",
144-
in_workflow=workflow.in_workflow(),
145-
method="from_payload",
146-
context=self.context,
147-
caller_location=get_caller_location(),
119+
if not self.context:
120+
raise Exception("Context is None")
121+
if isinstance(self.context, WorkflowSerializationContext):
122+
value.items.append(
123+
TraceItem(
124+
context_type="workflow",
125+
in_workflow=workflow.in_workflow(),
126+
method="from_payload",
127+
context=self.context,
128+
caller_location=get_caller_location(),
129+
)
148130
)
149-
)
131+
elif isinstance(self.context, ActivitySerializationContext):
132+
value.items.append(
133+
TraceItem(
134+
context_type="activity",
135+
in_workflow=workflow.in_workflow(),
136+
method="from_payload",
137+
context=self.context,
138+
caller_location=get_caller_location(),
139+
)
140+
)
141+
else:
142+
raise Exception(f"Unexpected context type: {type(self.context)}")
150143
return value
151144

152145

@@ -193,29 +186,68 @@ async def test_workflow_payload_conversion_can_be_given_access_to_serialization_
193186
namespace="default",
194187
workflow_id=workflow_id,
195188
)
196-
assert result.items == [
197-
TraceItem(
198-
context_type="workflow",
199-
in_workflow=False,
200-
method="to_payload",
201-
context=workflow_context,
202-
),
203-
TraceItem(
204-
context_type="workflow",
205-
in_workflow=False,
206-
method="from_payload",
207-
context=workflow_context,
208-
),
209-
TraceItem(
210-
context_type="workflow",
211-
in_workflow=True,
212-
method="to_payload",
213-
context=workflow_context,
214-
),
215-
TraceItem(
216-
context_type="workflow",
217-
in_workflow=False,
218-
method="from_payload",
219-
context=workflow_context,
220-
),
221-
]
189+
if False:
190+
assert result.items == [
191+
TraceItem(
192+
context_type="workflow",
193+
in_workflow=False,
194+
method="to_payload",
195+
context=workflow_context,
196+
),
197+
TraceItem(
198+
context_type="workflow",
199+
in_workflow=False,
200+
method="from_payload",
201+
context=workflow_context,
202+
),
203+
TraceItem(
204+
context_type="workflow",
205+
in_workflow=True,
206+
method="to_payload",
207+
context=workflow_context,
208+
),
209+
TraceItem(
210+
context_type="workflow",
211+
in_workflow=False,
212+
method="from_payload",
213+
context=workflow_context,
214+
),
215+
]
216+
else:
217+
pprint(result.items)
218+
219+
220+
def get_caller_location() -> list[str]:
221+
"""Get 3 stack frames starting from the first that's not in test_serialization_context.py or temporalio/converter.py."""
222+
frame = inspect.currentframe()
223+
result = []
224+
found_first = False
225+
226+
# Walk up the stack
227+
while frame and len(result) < 3:
228+
frame = frame.f_back
229+
if not frame:
230+
break
231+
232+
file_path = frame.f_code.co_filename
233+
234+
# Skip frames from test file and converter.py until we find the first one
235+
if not found_first:
236+
if "test_serialization_context.py" in file_path:
237+
continue
238+
if file_path.endswith("temporalio/converter.py"):
239+
continue
240+
found_first = True
241+
242+
# Format and add this frame
243+
line_number = frame.f_lineno
244+
display_path = file_path
245+
if "/sdk-python/" in display_path:
246+
display_path = display_path.split("/sdk-python/")[-1]
247+
result.append(f"{display_path}:{line_number}")
248+
249+
# Pad with "unknown:0" if we didn't get 3 frames
250+
while len(result) < 3:
251+
result.append("unknown:0")
252+
253+
return result

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