tv

package

v0.0.0-...-d191b88 Latest Latest Go to latest Published: Feb 1, 2020 License: BSD-3-Clause, MIT Imports: 10 Imported by: 0

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Repository

github.com/mmcloughlin/trunnel

Links

Open Source Insights

Documentation ¶

Overview ¶

Package tv generates test vectors for trunnel types.

Index ¶

func WriteCorpus(c *Corpus, dir string) error
type Constraints
- func NewConstraints() Constraints
type Corpus
- func Generate(f *ast.File, opts ...Option) (*Corpus, error)
- func GenerateFiles(fs []*ast.File, opts ...Option) (*Corpus, error)
type Option
- func WithRandom(r random.Interface) Option
- func WithSelector(s Selector) Option
type Selector
- func RandomSampleSelector(n int) Selector
type SelectorFunc
- func (f SelectorFunc) SelectVectors(vs []Vector) []Vector
type Suite
type Vector
- func NewVector(b []byte) Vector

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func WriteCorpus ¶

func WriteCorpus(c *Corpus, dir string) error

WriteCorpus writes the corpus of vectors in a standard structure under dir.

Types ¶

type Constraints ¶

type Constraints map[string]map[string]int64

Constraints records fixed values for struct/context fields.

func NewConstraints ¶

func NewConstraints() Constraints

NewConstraints builds an empty set of constraints.

func (Constraints) ClearLocal ¶

func (c Constraints) ClearLocal()

ClearLocal deletes all constraints in the local scope.

func (Constraints) ClearScope ¶

func (c Constraints) ClearScope(s string)

ClearScope deletes all constraints in scope s.

func (Constraints) Clone ¶

func (c Constraints) Clone() Constraints

Clone returns a deep copy of c.

func (Constraints) CloneGlobal ¶

func (c Constraints) CloneGlobal() Constraints

CloneGlobal clones all constraints apart from the local ones. It is a convenience for Clone followed by ClearLocal.

func (Constraints) Lookup ¶

func (c Constraints) Lookup(s, k string) (int64, bool)

Lookup returns the value of the constraint on s.k.

func (Constraints) LookupLocal ¶

func (c Constraints) LookupLocal(k string) (int64, bool)

LookupLocal is a convenience for looking up in the local scope "".

func (Constraints) LookupOrCreate ¶

func (c Constraints) LookupOrCreate(s, k string, v int64) int64

LookupOrCreate looks up s.k and returns the value if it exists. Otherwise the constraint is set to v and returned.

func (Constraints) LookupOrCreateRef ¶

func (c Constraints) LookupOrCreateRef(r *ast.IDRef, v int64) int64

LookupOrCreateRef is a convenience for LookupOrCreate with an AST IDRef.

func (Constraints) LookupRef ¶

func (c Constraints) LookupRef(r *ast.IDRef) (int64, bool)

LookupRef is a convenience for looking up an AST IDRef.

func (Constraints) Merge ¶

func (c Constraints) Merge(other Constraints) (Constraints, error)

Merge builds a new set of constraints by merging c and other. Errors on conflict.

func (Constraints) Set ¶

func (c Constraints) Set(s, k string, v int64) error

Set sets the value of s.k.

func (Constraints) SetRef ¶

func (c Constraints) SetRef(r *ast.IDRef, v int64) error

SetRef is a convenience for setting the value of an AST IDRef.

func (Constraints) Update ¶

func (c Constraints) Update(d Constraints) error

Update applies all constraints in d to c.

type Corpus ¶

type Corpus struct {
	Suites []Suite
}

Corpus is a collection of test vectors for multiple types.

func Generate ¶

func Generate(f *ast.File, opts ...Option) (*Corpus, error)

Generate generates a set of test vectors for the types defined in f.

func GenerateFiles ¶

func GenerateFiles(fs []*ast.File, opts ...Option) (*Corpus, error)

GenerateFiles generates test vectors for the types in the given files.

func (*Corpus) AddSuite ¶

func (c *Corpus) AddSuite(s Suite)

AddSuite appends a suite to the corpus.

func (*Corpus) AddVectors ¶

func (c *Corpus) AddVectors(n string, vs []Vector)

AddVectors adds vectors to the corpus for type n. Convenience wrapper around AddSuite.

func (Corpus) Vectors ¶

func (c Corpus) Vectors(n string) []Vector

Vectors looks up test vectors for the given type. Returns nil if none found.

type Option ¶

type Option func(*generator)

Option is an option to control test vector generation.

func WithRandom ¶

func WithRandom(r random.Interface) Option

WithRandom sets the random source for test vector generation.

func WithSelector ¶

func WithSelector(s Selector) Option

WithSelector sets the method for cutting down the number of vectors we have.

type Selector ¶

type Selector interface {
	SelectVectors([]Vector) []Vector
}

Selector selects which vectors to keep from a given list.

var Exhaustive Selector = SelectorFunc(func(vs []Vector) []Vector { return vs })

Exhaustive selects all vectors.

func RandomSampleSelector ¶

func RandomSampleSelector(n int) Selector

RandomSampleSelector selects a random sample of up to n vectors.

type SelectorFunc ¶

type SelectorFunc func([]Vector) []Vector

SelectorFunc implements Selector interface with a plain function.

func (SelectorFunc) SelectVectors ¶

func (f SelectorFunc) SelectVectors(vs []Vector) []Vector

SelectVectors calls f.

type Suite ¶

type Suite struct {
	Type    string
	Vectors []Vector
}

Suite contains test vectors for one type.

type Vector ¶

type Vector struct {
	Data        []byte
	Constraints Constraints
}

Vector is a test vector.

func NewVector ¶

func NewVector(b []byte) Vector

NewVector builds a test vector with empty constraints.

Source Files ¶

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