Hspec
Hspec: A strong Haskell choice for BDD-style examples and property-based testing. Ranked #26 of 32 in Unit Testing Frameworks by our editors (6.5/10); pricing: Free plan; best for haskell teams wanting BDD and properties.
At a glance
- Editor score6.5 / 10
- PricingFree plan
- Best forHaskell teams wanting BDD and properties
- Free planYes
- Paid fromFree
- Supported languagesHaskell
- Facts checked21 Sep 2026
Where it wins
- Behavior-oriented DSL with describe, context, and it
- QuickCheck integration plus HUnit interoperability
- Parallel execution, discovery, and pattern-based test selection
Where it doesn't
- Supports Haskell rather than multi-language test suites
- Its strongest fit is behavior- and property-oriented testing
- Teams outside the Haskell ecosystem need another framework
Our verdict on Hspec
Hspec is an open-source unit testing framework for Haskell developers who want behavior-oriented specifications and property-based testing in compiled or interpreted Haskell projects. Its DSL organizes examples with describe, context, and it, giving teams a structured way to express expected behavior. Expectation combinators cover equality, predicates, and exceptions, while setup and teardown hooks support lifecycle work around individual test items. Hspec is a focused fit for Haskell teams that value readable specifications alongside conventional unit tests.
The framework’s main depth is its combination of example-based and property-based workflows. QuickCheck integration lets Haskell developers include properties in the same testing approach, while HUnit interoperability supports existing HUnit tests. The published feature set also includes automatic discovery of test files, individual test selection through pattern matching, and parallel execution across multiple CPUs. Together, these capabilities support projects that need both expressive test organization and practical ways to select or scale test runs.
Hspec is distributed as an MIT-licensed Haskell package, making it a strong option for teams seeking an open-source framework with a narrow language focus. Choose it when your project is in Haskell and your testing style benefits from BDD structure, expectations, hooks, and QuickCheck properties. Its scope is less suitable for organizations standardizing one testing framework across several programming languages or teams that do not work within the Haskell ecosystem. For Haskell projects already using QuickCheck, SmallCheck, or HUnit, the interoperability options make Hspec a particularly coherent fit.
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Hspec pricing
Hspec fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Supported languages | Haskell |
| Built-in mocks | Not verified |
| Parameterized cases | Not verified |
| Parallel execution | Yes |
| Snapshot testing | Not verified |
| Property-based checks | Yes |
| Deployment | Self-hosted |
| Support | Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 3 integrations: QuickCheck, SmallCheck, HUnit |
| Pricing | Free plan |
| Website | hspec.github.io |
| Facts checked | 21 Sep 2026 |
Hspec integrations
Hspec lists 3 integrations on its own site.
- QuickCheck
- SmallCheck
- HUnit
Alternatives to Hspec
- pytestA free, full-featured Python testing framework with fixtures, plugins, and parametrization.9.4
- GoogleTestA strong free choice for C++ teams that need mocks, parameterized tests, and parallel options.9.2
- JUnitAn open-source Java and JVM framework with broad tooling support and flexible test models.9.1
Also Ranked In
Hspec is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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