Snapshot Testing Python Packages

syrupy

:pancakes: The most popular pytest snapshot plugin

inline-snapshot

inline-snapshot boosts efficiency when writing tests by generating code with the expected values and simplifies snapshot tests with pytest.

pytest-snapshot

A plugin for snapshot testing with pytest.

pytest-accept

A pytest plugin for automatically updating doctest outputs

booktest

Lumoa Booktest for review driven quality assurance

prysk

Functional tests for command line applications

mcp-rig

Deterministic, CI-ready testing for MCP servers: YAML suites, state checks, snapshots, and JUnit — for local stdio and remote HTTP servers.

narrativetrace

Execution transparency for AI-written code: business-logic tracing that reads as a narrative. Redacted, diffable, approval-testable traces for humans and AI agents. NarrativeTrace for Python.

pytest-ditto-pandas

Snapshot regression testing for DataFrames in pytest, with minimal ceremony, pluggable recorders, and local or remote storage backends.

pytest-ditto-pyarrow

Snapshot regression testing for DataFrames in pytest, with minimal ceremony, pluggable recorders, and local or remote storage backends.

narrativetrace-clarity

Execution transparency for AI-written code: business-logic tracing that reads as a narrative. Redacted, diffable, approval-testable traces for humans and AI agents. NarrativeTrace for Python.

narrativetrace-diagrams

Execution transparency for AI-written code: business-logic tracing that reads as a narrative. Redacted, diffable, approval-testable traces for humans and AI agents. NarrativeTrace for Python.

narrativetrace-glossary

Execution transparency for AI-written code: business-logic tracing that reads as a narrative. Redacted, diffable, approval-testable traces for humans and AI agents. NarrativeTrace for Python.

narrativetrace-asgi

Execution transparency for AI-written code: business-logic tracing that reads as a narrative. Redacted, diffable, approval-testable traces for humans and AI agents. NarrativeTrace for Python.

narrativetrace-pytest

Execution transparency for AI-written code: business-logic tracing that reads as a narrative. Redacted, diffable, approval-testable traces for humans and AI agents. NarrativeTrace for Python.

narrativetrace-otel

Execution transparency for AI-written code: business-logic tracing that reads as a narrative. Redacted, diffable, approval-testable traces for humans and AI agents. NarrativeTrace for Python.

narrativetrace-structlog

Execution transparency for AI-written code: business-logic tracing that reads as a narrative. Redacted, diffable, approval-testable traces for humans and AI agents. NarrativeTrace for Python.

headless-kivy

Headless renderer and test helper for Kivy framework

pytest-ditto-pickle

Snapshot regression testing for DataFrames in pytest, with minimal ceremony, pluggable recorders, and local or remote storage backends.

narrativetrace-tooling

Execution transparency for AI-written code: business-logic tracing that reads as a narrative. Redacted, diffable, approval-testable traces for humans and AI agents. NarrativeTrace for Python.

pytest-ditto-polars

Snapshot regression testing for DataFrames in pytest, with minimal ceremony, pluggable recorders, and local or remote storage backends.

narrativetrace-skills

Execution transparency for AI-written code: business-logic tracing that reads as a narrative. Redacted, diffable, approval-testable traces for humans and AI agents. NarrativeTrace for Python.

headless-kivy-pi

Headless renderer and test helper for Kivy framework

pytest-verify

a snapshot testing plugin for pytest that ensures your test outputs remain consistent across runs.