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ContractCase

On the record

Broker integration
ContractCase supports the Pact Broker, while its contracts are not rendered in the Pact Broker UI; the documentation also describes Pactflow as a SaaS broker option.github.com · read 8 Oct 2026
Broker integrations
ContractCase supports the Pact contract broker and identifies Pactflow as a SaaS broker option.case.contract-testing.io · read 8 Oct 2026
Broker limitation
The documentation says the Pact broker cannot render ContractCase contracts in its UI.github.com · read 8 Oct 2026
Broker use
The documentation says a broker records contract files, verification status, and deployment environment information, and is needed for deployment confidence.case.contract-testing.io · read 8 Oct 2026
Contract definition
Contracts are defined on the side of the communication boundary that consumes information and later verified on the side that provides it.case.contract-testing.io · read 8 Oct 2026
Contract lifecycle
Its workflow covers defining contracts, verifying them against providers, and checking compatibility at deployment time.case.contract-testing.io · read 8 Oct 2026
Contract merging limit
ContractCase does not currently support merging contracts, so each contract must be defined in one test file.github.com · read 8 Oct 2026
Contract types
The project says it supports contracts for HTTP clients, HTTP servers, function callers, and function implementations.github.com · read 8 Oct 2026
Contract workflow
It defines contracts against a mock provider, then verifies those contracts against the real provider.case.contract-testing.io · read 8 Oct 2026
Deploy checks
The CLI can check whether a service is safe to deploy based on verification results and the target environment.case.contract-testing.io · read 8 Oct 2026
Downloads
The official site links to npm and Maven Central as download locations.case.contract-testing.io · read 8 Oct 2026
Example-based interactions
A contract consists of interactions defined by example, and each interaction runs independently during contract definition.case.contract-testing.io · read 8 Oct 2026
Extensibility
Plugins can add matcher types, mock types, and DSL declarations; plugins are written in JavaScript or TypeScript compiled to JavaScript.case.contract-testing.io · read 8 Oct 2026
Notable limitation
ContractCase does not currently support merging contracts, so each contract must be defined in one test file.github.com · read 8 Oct 2026
Package availability
The project links to npm and Maven Central for downloads.case.contract-testing.io · read 8 Oct 2026
Plugin language
Plugins must be written in JavaScript or TypeScript compiled to JavaScript.case.contract-testing.io · read 8 Oct 2026
Purpose
ContractCase is a consumer-driven contract testing framework for checking whether services can communicate as expected.case.contract-testing.io · read 8 Oct 2026
Release status
The project states that versions before 1.0.0 are beta and that breaking changes may occur in minor releases.case.contract-testing.io · read 8 Oct 2026

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