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feat(stripe-mock): Add subscription_metadata and charge_metadata config #53596

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Merged
arthurdedeus merged 2 commits into from
Apr 8, 2026
+12 −4
Merged

feat(stripe-mock): Add subscription_metadata and charge_metadata config #53596

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feat(stripe-mock): Add subscription_metadata and charge_metadata config
arthurdedeus Apr 7, 2026
377c748
Merge branch 'master' into test/support-per-object-metadata
arthurdedeus Apr 7, 2026
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2 changes: 2 additions & 0 deletions services/stripe-mock/src/stripe_mock/config.py
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Original file line number Diff line number Diff line change
Expand Up @@ -88,6 +88,8 @@ class MockConfig(BaseModel):
seed: int = 42

customer_metadata: dict[str, str] = {}
subscription_metadata: dict[str, str] = {}
charge_metadata: dict[str, str] = {}

customer_types: dict[str, int] = {
"loyalists_monthly": 12,
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9 changes: 6 additions & 3 deletions services/stripe-mock/src/stripe_mock/data/scenarios.py
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Expand Up @@ -145,11 +145,12 @@ def add_customer_lifecycle(
if start_date > self.data_end:
return

merged_metadata = {**self.cfg.customer_metadata, **(persona_metadata or {})}
customer_metadata = {**self.cfg.customer_metadata, **(persona_metadata or {})}
subscription_metadata = {**self.cfg.subscription_metadata, **(persona_metadata or {})}

cust_idx = _next_id("cus")
customer = make_customer(
cust_idx, start_date, name=name, email=email, currency=currency, metadata=merged_metadata
cust_idx, start_date, name=name, email=email, currency=currency, metadata=customer_metadata
)
self.customers.append(customer)

Expand All @@ -175,7 +176,7 @@ def add_customer_lifecycle(
currency=currency,
interval=interval,
product_id=product_id,
metadata=merged_metadata,
metadata=subscription_metadata,
)
if trial_days > 0:
from datetime import timedelta
Expand Down Expand Up @@ -284,13 +285,15 @@ def add_customer_lifecycle(
sub["latest_invoice"] = invoice["id"]

ch_idx = _next_id("ch")
charge_metadata = {**self.cfg.charge_metadata, **(persona_metadata or {})}
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P2 charge_metadata computed inside loop

Unlike customer_metadata and subscription_metadata (which are built once before the loop on lines 148–149), charge_metadata is recomputed on every monthly iteration even though neither self.cfg.charge_metadata nor persona_metadata changes during the loop. For consistency, hoist it alongside the other two metadata variables before the loop starts:

Suggested change
charge_metadata = {**self.cfg.charge_metadata, **(persona_metadata or {})}
charge_metadata = {**self.cfg.charge_metadata, **(persona_metadata or {})}

(Add this line after line 149, and remove it from inside the loop.)

Prompt To Fix With AI 
This is a comment left during a code review.
Path: services/stripe-mock/src/stripe_mock/data/scenarios.py
Line: 288

Comment:
**`charge_metadata` computed inside loop**

Unlike `customer_metadata` and `subscription_metadata` (which are built once before the loop on lines 148–149), `charge_metadata` is recomputed on every monthly iteration even though neither `self.cfg.charge_metadata` nor `persona_metadata` changes during the loop. For consistency, hoist it alongside the other two metadata variables before the loop starts:

```suggestion
            charge_metadata = {**self.cfg.charge_metadata, **(persona_metadata or {})}
```

(Add this line after line 149, and remove it from inside the loop.)

How can I resolve this? If you propose a fix, please make it concise.

charge = make_charge(
ch_idx,
invoice_date,
amount=invoice_amount,
currency=currency,
customer_id=customer["id"],
invoice_id=invoice["id"],
metadata=charge_metadata,
)
self.charges.append(charge)

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5 changes: 4 additions & 1 deletion services/stripe-mock/stripe-mock.config.yaml
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Expand Up @@ -9,10 +9,13 @@
# end_date: "2026-03-01"
# seed: 42

# --- Customer metadata (injected into every customer.metadata field) ---
# --- Metadata (injected into the metadata field of each object type) ---
# customer_metadata:
# source: "stripe-mock"
# environment: "development"
# subscription_metadata:
# posthog_person_distinct_id: "your_distinct_id"
# charge_metadata: {}

# --- Customer persona distribution (count per type) ---
# customer_types:
Expand Down
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