validation

package
v4.3.0+incompatible Latest Latest
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 Go to latest Published: Aug 27, 2019 License: Apache-2.0 Imports: 7 Imported by: 15

Documentation

Index

Examples

Constants

View Source 
const (
	KeyDefault          = "default"
	KeyExamples         = "examples"
	KeyDescription      = "description"
	KeyTitle            = "title"
	KeyType             = "type"
	KeyConst            = "const"
	KeyEnum             = "enum"
	KeyMultipleOf       = "multipleOf"
	KeyMaximum          = "maximum"
	KeyMinimum          = "minimum"
	KeyExclusiveMaximum = "exclusiveMaximum"
	KeyExclusiveMinimum = "exclusiveMinimum"
	KeyMaxLength        = "maxLength"
	KeyMinLength        = "minLength"
	KeyPattern          = "pattern"
	KeyMaxItems         = "maxItems"
	KeyMinItems         = "minItems"
	KeyMaxProperties    = "maxProperties"
	KeyMinProperties    = "minProperties"
	KeyRequired         = "required"
	KeyPropertyNames    = "propertyNames"
)
View Source 
const CurrentField = ""

CurrentField is a constant to supply as a fieldPath for when there is a problem with the current field itself.

Variables

This section is empty.

Functions

This section is empty.

Types

type ConstraintBuilder 

type ConstraintBuilder map[string]interface{}

A builder for JSON Schema compliant constraint lists

func NewConstraintBuilder 

func NewConstraintBuilder() ConstraintBuilder
NewConstraintBuilder creates a builder for JSON Schema compliant constraint

lists. See http://json-schema.org/latest/json-schema-validation.html for types of validation available.

func (ConstraintBuilder) Build 

func (cb ConstraintBuilder) Build() map[string]interface{}

func (ConstraintBuilder) Const 

func (cb ConstraintBuilder) Const(value interface{}) ConstraintBuilder

Const adds a constraint that the field must equal this value.

func (ConstraintBuilder) Description 

func (cb ConstraintBuilder) Description(desc string) ConstraintBuilder

Description adds a human-readable description

func (ConstraintBuilder) Enum 

func (cb ConstraintBuilder) Enum(value ...interface{}) ConstraintBuilder

Enum adds a constraint that the field must be one of these values.

func (ConstraintBuilder) Examples 

func (cb ConstraintBuilder) Examples(ex ...interface{}) ConstraintBuilder

Examples adds one or more examples

func (ConstraintBuilder) ExclusiveMaximum 

func (cb ConstraintBuilder) ExclusiveMaximum(value int) ConstraintBuilder

ExclusiveMaximum adds a constraint that the field must be less than this number.

func (ConstraintBuilder) ExclusiveMinimum 

func (cb ConstraintBuilder) ExclusiveMinimum(value int) ConstraintBuilder

ExclusiveMinimum adds a constraint that the field must be greater than this number.

func (ConstraintBuilder) MaxItems 

func (cb ConstraintBuilder) MaxItems(value int) ConstraintBuilder

MaxItems adds a constraint that the array must have at most this many items.

func (ConstraintBuilder) MaxLength 

func (cb ConstraintBuilder) MaxLength(value int) ConstraintBuilder

MaxLength adds a constraint that the string field must have at most this many characters.

func (ConstraintBuilder) MaxProperties 

func (cb ConstraintBuilder) MaxProperties(value int) ConstraintBuilder

KeyMaxProperties adds a constraint that the object must have at most this many keys.

func (ConstraintBuilder) Maximum 

func (cb ConstraintBuilder) Maximum(value int) ConstraintBuilder

Maximum adds a constraint that the field must be less than or equal to this number.

func (ConstraintBuilder) MinItems 

func (cb ConstraintBuilder) MinItems(value int) ConstraintBuilder

MinItems adds a constraint that the array must have at least this many items.

func (ConstraintBuilder) MinLength 

func (cb ConstraintBuilder) MinLength(value int) ConstraintBuilder

MinLength adds a constraint that the string field must have at least this many characters.

func (ConstraintBuilder) MinProperties 

func (cb ConstraintBuilder) MinProperties(value int) ConstraintBuilder

MinProperties adds a constraint that the object must have at least this many keys.

func (ConstraintBuilder) Minimum 

func (cb ConstraintBuilder) Minimum(value int) ConstraintBuilder

Minimum adds a constraint that the field must be greater than or equal to this number.

func (ConstraintBuilder) MultipleOf 

func (cb ConstraintBuilder) MultipleOf(value int) ConstraintBuilder

MultipleOf adds a constraint that the field must be a multiple of this integer.

func (ConstraintBuilder) Pattern 

func (cb ConstraintBuilder) Pattern(value string) ConstraintBuilder

Pattern adds a constraint that the string must match the given pattern.

func (ConstraintBuilder) PropertyNames 

func (cb ConstraintBuilder) PropertyNames(properties map[string]interface{}) ConstraintBuilder

PropertyNames adds a constraint that the object property names must match the given schema.

func (ConstraintBuilder) Required 

func (cb ConstraintBuilder) Required(properties ...string) ConstraintBuilder

Required adds a constraint that the object must have at least these keys.

func (ConstraintBuilder) Title 

func (cb ConstraintBuilder) Title(title string) ConstraintBuilder

Title adds a human-readable label suitable for labeling a UI element.

func (ConstraintBuilder) Type 

func (cb ConstraintBuilder) Type(t string) ConstraintBuilder

Type adds a type constrinat.

type FieldError 

type FieldError struct {
	Message string
	Paths   []string
	// Details contains an optional longer payload.
	// +optional
	Details string
	// contains filtered or unexported fields
}

FieldError is used to propagate the context of errors pertaining to specific fields in a manner suitable for use in a recursive walk, so that errors contain the appropriate field context. FieldError methods are non-mutating. +k8s:deepcopy-gen=true

func ErrDisallowedFields 

func ErrDisallowedFields(fieldPaths ...string) *FieldError

ErrDisallowedFields is a variadic helper method for constructing a FieldError for a set of disallowed fields.

func ErrDisallowedUpdateDeprecatedFields 

func ErrDisallowedUpdateDeprecatedFields(fieldPaths ...string) *FieldError

ErrDisallowedUpdateDeprecatedFields is a variadic helper method for constructing a FieldError for updating of deprecated fields.

func ErrIfBlank 

func ErrIfBlank(value string, field string) *FieldError

ErrIfBlank returns an error if the value is a blank string.

func ErrIfNil 

func ErrIfNil(value interface{}, field string) *FieldError

ErrIfNil returns an error if the value is nil.

func ErrIfNotHCL 

func ErrIfNotHCL(value string, field string) *FieldError

ErrIfNotHCL returns an error if the value is not valid HCL.

Example 
fmt.Println("Good HCL is nil:", ErrIfNotHCL(`provider "google" {
		credentials = "${file("account.json")}"
		project     = "my-project-id"
		region      = "us-central1"
	}`, "my-field") == nil)

fmt.Println("Good JSON is nil:", ErrIfNotHCL(`{"a":42, "s":"foo"}`, "my-field") == nil)

fmt.Println("Bad:", ErrIfNotHCL("google storage", "my-field"))

Output:

Good HCL is nil: true
Good JSON is nil: true
Bad: invalid HCL: my-field

func ErrIfNotJSON 

func ErrIfNotJSON(value json.RawMessage, field string) *FieldError

ErrIfNotJSON returns an error if the value is not valid JSON.

Example 
fmt.Println("Good is nil:", ErrIfNotJSON(json.RawMessage("{}"), "my-field") == nil)
fmt.Println("Bad:", ErrIfNotJSON(json.RawMessage(""), "my-field"))

Output:

Good is nil: true
Bad: invalid JSON: my-field

func ErrIfNotJSONSchemaType 

func ErrIfNotJSONSchemaType(value string, field string) *FieldError

ErrIfNotJSONSchemaType returns an error if the value is not a valid JSON schema type.

Example 
fmt.Println("Good is nil:", ErrIfNotJSONSchemaType("string", "my-field") == nil)
fmt.Println("Bad:", ErrIfNotJSONSchemaType("str", "my-field"))

Output:

Good is nil: true
Bad: field must match '^(|object|boolean|array|number|string|integer)$': my-field

func ErrIfNotMatch 

func ErrIfNotMatch(value string, regex *regexp.Regexp, field string) *FieldError

ErrIfNotMatch returns an error if the value doesn't match the regex.

func ErrIfNotOSBName 

func ErrIfNotOSBName(value string, field string) *FieldError

ErrIfNotOSBName returns an error if the value is not a valid OSB name.

Example 
fmt.Println("Good is nil:", ErrIfNotOSBName("google-storage", "my-field") == nil)
fmt.Println("Bad:", ErrIfNotOSBName("google storage", "my-field"))

Output:

Good is nil: true
Bad: field must match '^[a-zA-Z0-9-\.]+$': my-field

func ErrIfNotTerraformIdentifier 

func ErrIfNotTerraformIdentifier(value string, field string) *FieldError

ErrIfNotTerraformIdentifier returns an error if the value is not a valid Terraform identifier.

Example 
fmt.Println("Good is nil:", ErrIfNotTerraformIdentifier("good_id", "my-field") == nil)
fmt.Println("Bad:", ErrIfNotTerraformIdentifier("bad id", "my-field"))

Output:

Good is nil: true
Bad: field must match '^[a-z_]*$': my-field

func ErrIfNotURL 

func ErrIfNotURL(value string, field string) *FieldError

ErrIfNotURL returns an error if the value is not a valid URL.

func ErrIfNotUUID 

func ErrIfNotUUID(value string, field string) *FieldError

ErrIfNotUUID returns an error if the value is not a valid UUID.

func ErrInvalidArrayValue 

func ErrInvalidArrayValue(value interface{}, field string, index int) *FieldError

ErrInvalidArrayValue constructs a FieldError for a repetetive `field` at `index` that has received an invalid string value.

func ErrInvalidKeyName 

func ErrInvalidKeyName(key, fieldPath string, details ...string) *FieldError

ErrInvalidKeyName is a variadic helper method for constructing a FieldError that specifies a key name that is invalid.

func ErrInvalidValue 

func ErrInvalidValue(value interface{}, fieldPath string) *FieldError

ErrInvalidValue constructs a FieldError for a field that has received an invalid string value.

func ErrMissingField 

func ErrMissingField(fieldPaths ...string) *FieldError

ErrMissingField is a variadic helper method for constructing a FieldError for a set of missing fields.

func ErrMissingOneOf 

func ErrMissingOneOf(fieldPaths ...string) *FieldError

ErrMissingOneOf is a variadic helper method for constructing a FieldError for not having at least one field in a mutually exclusive field group.

func ErrMultipleOneOf 

func ErrMultipleOneOf(fieldPaths ...string) *FieldError

ErrMultipleOneOf is a variadic helper method for constructing a FieldError for having more than one field set in a mutually exclusive field group.

func ErrMustMatch 

func ErrMustMatch(value string, regex *regexp.Regexp, field string) *FieldError

ErrMustMatch notifies the user a field must match a regex.

func ErrOutOfBoundsValue 

func ErrOutOfBoundsValue(value, lower, upper interface{}, fieldPath string) *FieldError

ErrOutOfBoundsValue constructs a FieldError for a field that has received an out of bound value.

func (*FieldError) Also 

func (fe *FieldError) Also(errs ...*FieldError) *FieldError

Also collects errors, returns a new collection of existing errors and new errors.

func (*FieldError) DeepCopy 

func (in *FieldError) DeepCopy() *FieldError

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new FieldError.

func (*FieldError) DeepCopyInto 

func (in *FieldError) DeepCopyInto(out *FieldError)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

func (*FieldError) Error 

func (fe *FieldError) Error() string

Error implements error

func (*FieldError) ViaField 

func (fe *FieldError) ViaField(prefix ...string) *FieldError

ViaField is used to propagate a validation error along a field access. For example, if a type recursively validates its "spec" via: 

if err := foo.Spec.Validate(); err != nil {
  // Augment any field paths with the context that they were accessed
  // via "spec".
  return err.ViaField("spec")
}

func (*FieldError) ViaFieldIndex 

func (fe *FieldError) ViaFieldIndex(field string, index int) *FieldError

ViaFieldIndex is the short way to chain: err.ViaIndex(bar).ViaField(foo)

func (*FieldError) ViaFieldKey 

func (fe *FieldError) ViaFieldKey(field string, key string) *FieldError

ViaFieldKey is the short way to chain: err.ViaKey(bar).ViaField(foo)

func (*FieldError) ViaIndex 

func (fe *FieldError) ViaIndex(index int) *FieldError

ViaIndex is used to attach an index to the next ViaField provided. For example, if a type recursively validates a parameter that has a collection: 

for i, c := range spec.Collection {
  if err := doValidation(c); err != nil {
    return err.ViaIndex(i).ViaField("collection")
  }
}

func (*FieldError) ViaKey 

func (fe *FieldError) ViaKey(key string) *FieldError

ViaKey is used to attach a key to the next ViaField provided. For example, if a type recursively validates a parameter that has a collection: 

for k, v := range spec.Bag {
  if err := doValidation(v); err != nil {
    return err.ViaKey(k).ViaField("bag")
  }
}

type Testable 

type Testable interface {
	Errorf(format string, a ...interface{})
}

Testable is a type derived from testing.T

type Validatable 

type Validatable interface {
	// Validate checks the validity of this types fields.
	Validate() *FieldError
}

Validatable indicates that a particular type may have its fields validated.

type ValidatableTest 

type ValidatableTest struct {
	Object Validatable
	Expect error
}

ValidatableTest is a standard way of testing Validatable types.

func (*ValidatableTest) Assert 

func (vt *ValidatableTest) Assert(t Testable)

Assert runs the validatae function and fails Testable.

Source Files

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