Lo que la red encontró
Cada línea de abajo es una medición, no una opinión. Todas enlazan a una muestra publicada cuyo contract se ejecuta en un contenedor fijado y sin red, así que puedes volver a ejecutarlo y contradecir el resultado.
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597 hallazgos en 8 ecosistemas.
- cargo
- composer
- gem
- golang
- hex
- npm
- pub
- pypi
Lo que dice la muestra y mide su contrato
526–550 de 568, medidos por muestras publicadas.
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composerContrato de muestraphp · linux/x64symfony/console@v8.1.4
Se creeQuestionHelper applies configured Question normalizers to default values in non-interactive execution before validating and returning the response.
MedidoQuestionHelper::ask() in non-interactive mode completely bypasses Question::setNormalizer(), returning the unnormalized default value and passing the unnormalized type directly to the validator.
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composerContrato de muestraphp · linux/x64symfony/console@7.4.16
Se creeA model expects that destroying StreamOutput closes its underlying stream resource, ConsoleOutput opens fresh stream handles per instance, OutputFormatter resets style tags between format calls, and ProgressBar writes output to STDOUT.
MedidoStreamOutput does not close its underlying stream resource when destroyed, leaving the file descriptor open unless explicitly closed with fclose by the caller
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composerContrato de muestraphp · linux/x64symfony/console@8.1.4
Se creeSerializing an ArrayInput instance to a CLI string with __toString() produces argument tokens that preserve boolean flag states and option values when round-tripped through StringInput.
MedidoArrayInput::__toString() serializes a boolean true flag as '--flag=1', which throws RuntimeException when rebound to a VALUE_NONE option, and serializes a boolean false flag as '--flag', which inverts the flag to true when reparsed.
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composerContrato de muestraphp · linux/x64symfony/console@7.2.1
Se creeDeclaring a protected static $defaultName property on a Command subclass sets the command name and description and allows registering it with Application::add().
MedidoIn Symfony Console 7, Command::getDefaultName() returns null for classes defining static $defaultName, leaving the command name null and causing Application::add() to throw LogicException unless configured via the #[AsCommand] attribute.
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golangContrato de muestrago · linux/x64sigs.k8s.io/yaml@v1.6.0
Se creeUnmarshaling YAML with type mismatches returns a yaml.TypeError, non-pointer destinations return an InvalidUnmarshalError, and UnmarshalStrict returns uniform YAML unmarshal errors for all schema violations.
MedidoType mismatch in YAML unmarshaling returns a wrapped *json.UnmarshalTypeError with prefix 'error unmarshaling JSON' and does not match yaml.TypeError
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hexContrato de muestraelixir · linux/x64nimble_options@1.1.1
Se creeA custom type callback is expected to return an error tuple and still be reported as {:error, ValidationError}; anything else should do the same.
Medidoassert NimbleOptions.validate([port: :bad], custom_schema()) converts {:error, message} from the callback into a NimbleOptions.ValidationError whose message is prefixed with the library error field
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hexContrato de muestraelixir · linux/x64decimal@3.1.1
Se creeDecimal.new/1 and Decimal.parse/1 parse any decimal string containing up to the default decimal128 context precision of 34 significant digits regardless of leading zeros.
Medidoassert Decimal.new parses 34 significant digits with leading zero without exceeding max_digits
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golangContrato de muestrago · linux/x64github.com/go-chi/chi/v5@v5.3.1
Se creeCalling ClientIPFromXFF with no arguments extracts the originating client IP from the leftmost entry in X-Forwarded-For and updates RemoteAddr like RealIP.
Medidoassert ClientIPFromXFF with unset trusted prefixes returns the rightmost XFF hop rather than the leftmost client IP
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golangContrato de muestrago · linux/x64github.com/go-chi/chi/v5@v5.3.1
Se creeRegistering middleware.URLFormat and middleware.StripSlashes in either order yields the same route match behavior for /item.json/.
MedidoWhen middleware.URLFormat is registered before middleware.StripSlashes and only GET /item exists, GET /item.json/ returns 404.
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golangContrato de muestrago · linux/x64sigs.k8s.io/yaml@v1.4.0
Se creesigs.k8s.io/yaml.Unmarshal preserves exact 64-bit integer values when decoding YAML into untyped maps or interface{} fields without explicit decoder options.
Medidoassert default Unmarshal silently truncates integers above 2^53 into float64 whereas JSONOpt UseNumber preserves exact int64 values as json.Number
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golangContrato de muestrago · linux/x64encoding/json@v1.26.5
Se creeA JSON encoder serializes string values using standard RFC 8259 character escaping, preserving literal <, >, and & characters unless HTML escaping is explicitly enabled.
Medidoassert json.NewEncoder with default settings escapes <, >, and & into \u003c, \u003e, and \u0026
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golangContrato de muestrago · linux/x64sigs.k8s.io/yaml@v1.4.0
Se creeA caller expects unknown YAML keys to be rejected by default when decoding into a typed struct.
Medidoassert Unmarshal succeeds when decoding `name: main unknown: value` into `decodeTarget` without options
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golangContrato de muestrago · linux/x64encoding/json@go1.26.5
Se creeUsing Decoder.UseNumber causes every decoded number to be produced as json.Number, even when decoding into a concrete numeric struct field.
Medidoassert that decoding `{"count": 7, "wildcard": 7}` with Decoder.UseNumber into struct `{Count int; Wildcard any}` yields `Count` as an `int` and `Wildcard` as `json.Number`
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golangContrato de muestrago · linux/x64net/http@go1.26.5
Se creeA caller using a default http.Client should see the same payload bytes and encoding metadata that the server put on the response.
MedidoWhen a server writes a gzip-compressed body, a default http.Client request must return plain text bytes, not gzip bytes.
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golangContrato de muestrago · linux/x64net/http@go1.26.5
Se creeA POST request that receives a 303 See Other keeps its method and body through automatic redirect following.
MedidoA default client must follow `StatusSeeOther` (`303`) by issuing the next request as `GET`, not as the original method.
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golangContrato de muestrago · linux/x64net/http@go1.26.5
Se creeA method token in a ServeMux pattern, such as `GET /resource`, is just part of the path and does not affect routing.
MedidoRegistering `HandleFunc("GET /resource", ...)` and `HandleFunc("POST /resource", ...)` must allow GET and POST only, while a PUT request to `/resource` must fail with 405.
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golangContrato de muestrago · linux/x64encoding/json@v1.26.5
Se creejson.Marshal encodes fixed-size byte arrays [N]byte as Base64 strings and json.Unmarshal decodes Base64 strings into byte arrays.
Medidoassert json.Marshal encodes fixed-size byte array [N]byte as a JSON numeric array instead of a base64 string
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golangContrato de muestrago · linux/x64encoding/json@go1.26.5
Se creeA field is omitted only when its value is reflect-empty, so a non-empty struct value must always be serialized unless `omitempty` is false.
Medidoassert json.Marshal with tag `field,omitzero` omits a non-empty struct when its IsZero() method returns true
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golangContrato de muestrago · linux/x64encoding/json@v1.26.5
Se creeA caller can treat json.Encoder.Encode as json.Marshal followed by Write, so the output bytes are exactly the JSON value.
Medidoassert that json.NewEncoder(&buf).Encode(v) appends a trailing \n byte to the encoded output
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pypiContrato de muestrapython · linux/x64httpx2@2.10.0
Se creePassing query parameters via the params argument merges them with query parameters already present in the target URL.
Medidoassert passing params to Request('GET', 'https://example.com/search?q=python', params={'page': '2'}) overwrites the URL query to 'page=2', discarding 'q=python'
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composerContrato de muestraphp · linux/x64symfony/console@7.4.16
Se creeA competent developer or model expects that during the execution of a parent command, the Application's active running command context is preserved across sub-command invocations, ensuring that error rendering retains the parent command's synopsis throughout its lifecycle.
MedidoApplication doRun resets runningCommand to null upon sub-command completion instead of restoring the parent command
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composerContrato de muestraphp · linux/x64guzzlehttp/guzzle@8.0.2
Se creePassing a stream or resource sink to a request that follows redirects writes only the final destination response body into the sink.
Medidoassert a stream sink passed during redirected requests accumulates both intermediate redirect bodies and final response body instead of only the destination body
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npmContrato de muestranode · linux/x64vitest@4.1.10
Se creemockReset clears call records and replaces the mock implementation with an empty function returning undefined like Jest, rather than reverting to the initial implementation while keeping the spy active
Medidoassert mockReset on vi.spyOn reverts to initial method implementation instead of undefined while continuing to intercept and record calls
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cargoContrato de muestrarust · linux/x64winnow@1.0.4
Se creeWhen an alt combinator fails on invalid input after partially matching an alternative, ContextError preserves the error details and byte offset from whichever branch parsed deepest.
Medidoassert alt with ContextError discards a partial match in an earlier branch and returns the error and offset of the last evaluated branch, while cut_err prevents backtrack and preserves the deep failure site
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composerContrato de muestraphp · linux/x64symfony/console@8.1.4
Se creeUnrecognized CLI options throw InvalidOptionException and missing required arguments throw MissingInputException.
MedidoArgvInput with an unknown option throws RuntimeException rather than InvalidOptionException or InvalidArgumentException
Cómo comprobar cualquier línea de aquí
Abre la muestra, lee su contract y ejecútalo. El contract es la propia prueba de la muestra: se ejecuta sin red en un contenedor fijado, y el recibo firmado de esa ejecución es lo que la red guarda. Nada de esto depende de cómo leamos una biblioteca, solo de lo que la biblioteca hizo.
Algunas muestras publicadas no están en esta página. Su contrato pasó y la muestra está activa, pero ninguna línea de ese contrato se lee como una frase. Una aserción como expect(x).toBe(1), puesta junto a la creencia que comprueba, no le dice nada a quien lee. Preferimos dejarlas fuera antes que publicar pruebas que nadie puede leer.