google/go-cmp
Go Cmp
go-cmp este o bibliotecă de comparare a valorilor pentru Go, concepută pentru utilizarea în suitele de testare. Funcționează ca un instrument recursiv de diferențiere a datelor și de aserțiune care determină dacă două structuri de date complexe sunt egal semantic, în loc să se bazeze pe egalitatea strictă la nivel de biți.
Biblioteca oferă un framework pentru definirea logicii de comparare specializate, permițând utilizatorilor să înregistreze override-uri de egalitate personalizate pentru tipuri specifice. Include mecanisme pentru a gestiona modul în care câmpurile neexportate sunt tratate în timpul traversării pentru a preveni erorile de runtime în timpul verificărilor de egalitate profundă.
Sistemul utilizează traversarea valorilor bazată pe reflexie pentru a identifica neconcordanțele specifice între valorile așteptate și cele reale, producând diferențe detaliate atunci când valorile nu se potrivesc. Suportă dispatch-ul egalității specific tipului și comportamentul de comparare configurabil.
Features
- Recursive Semantic Equality - Determines if two complex data structures are semantically equal by recursively comparing their components.
- Reflection-Based Comparison - Uses Go reflection to recursively walk through complex data structures for deep equality checks.
- Equality Logic Frameworks - Provides a configurable framework for implementing specialized comparison logic and handling unexported fields.
- Unexported Field Access Control - Manages reflection access to unexported fields to prevent runtime panics during deep equality checks.
- Comparison Logic Overrides - Provides a framework for registering custom functions to replace default equality logic for specific types.
- Custom Equality Definitions - Allows the definition of custom comparison functions to handle special cases like floating-point tolerances.
- Recursive Data Diffing - Traverses Go types recursively to identify and produce detailed mismatches between expected and actual values.
- Semantic Value Comparison - Determines if two values are semantically equal by recursively comparing primitive types or applying specialized logic.
- Go Testing Frameworks - Serves as a specialized assertion tool for Go that generates detailed diffs between expected and actual values.
- Private Field Comparison Controls - Provides capabilities to manage whether unexported fields are included in value comparisons during testing.
- Unexported Field Handling - Manages how private struct fields are treated during comparison to prevent panics in Go test suites.
- Value Comparison Libraries - Compares complex Go data structures in tests using semantic equality instead of strict bitwise equality.
- Object Equality Implementations - Supports defining specific equality methods on types to control how their equality is calculated.
- Special Type Equality Handlers - Routes comparison logic to special handlers based on the concrete type of the values.
- Functional Options - Implements the functional options pattern to configure complex comparison settings via variadic functions.
- Custom Assertions - Enables specialized equality rules for types to handle business logic or floating point precision during verification.
- Unit Testing - Facilitates the verification of complex data structures within Go unit tests.
- Testing and QA - Package for comparing Go values in tests.
- Testing and Quality Assurance - Package for deep comparison of Go values.
- Framework-uri de testare - Package for comparing Go values in tests.
