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evaluation_test.go
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package wotlib
import (
"testing"
)
var iotSchema = SchemaMapping{
Prefix: SchemaPrefix("iot"),
IRI: "http://iotschema.org/",
}
var fulfillTests = []struct {
Name string
TD []byte
Constraint ThingConstraint
ExpectedResult bool
}{
{
Name: "Empty constraint",
TD: testTDOne,
Constraint: ThingConstraint{},
ExpectedResult: true,
},
{
Name: "Search for thing with name",
TD: testTDOne,
Constraint: ThingConstraint{
Name: asStringPointer("LightOne"),
},
ExpectedResult: true,
},
{
Name: "Search with property constraint",
TD: testTDOne,
Constraint: ThingConstraint{
PropertyConstraint: &PropertyConstraint{
Type: &[]string{iotSchema.IRIPrefix("SwitchStatus")},
},
},
ExpectedResult: true,
},
{
Name: "Search with action constraint",
TD: testTDOne,
Constraint: ThingConstraint{
ActionConstraint: &ActionConstraint{
Type: &[]string{iotSchema.IRIPrefix("TurnOn")},
},
},
ExpectedResult: true,
},
{
Name: "Search for thing with thing and property constraint",
TD: testTDOne,
Constraint: ThingConstraint{
Type: &[]string{
iotSchema.IRIPrefix("BinarySwitchControl"),
iotSchema.IRIPrefix("ColourControl"),
},
PropertyConstraint: &PropertyConstraint{
Type: &[]string{iotSchema.IRIPrefix("SwitchStatus")},
DataPropertyConstraint: &DataPropertyConstraint{
Type: &[]string{iotSchema.IRIPrefix("StatusData")},
},
},
},
ExpectedResult: true,
},
{
Name: "Complex search",
TD: testTDOne,
Constraint: ThingConstraint{
Type: &[]string{
iotSchema.IRIPrefix("BinarySwitchControl"),
iotSchema.IRIPrefix("ColourControl"),
},
ID: asStringPointer("uri:urn:ed2f1fb3-cbf8-479e-99bb-ef9968e5eed6"),
Name: asStringPointer("LightOne"),
ActionConstraint: &ActionConstraint{
Name: asStringPointer("lamp-setOn"),
IsSafe: asBooleanPointer(false),
IsIdempotent: asBooleanPointer(true),
Type: &[]string{
iotSchema.IRIPrefix("TurnOn"),
iotSchema.IRIPrefix("TurnOff"),
},
InputConstraint: &InputConstraint{
DataType: asStringPointer(SchemaJSON.IRIPrefix("ObjectSchema")),
DataPropertyConstraint: &DataPropertyConstraint{
Name: asStringPointer("on"),
Type: &[]string{
iotSchema.IRIPrefix("StatusData"),
},
DataType: asStringPointer(SchemaJSON.IRIPrefix("BooleanSchema")),
},
},
},
PropertyConstraint: &PropertyConstraint{
Name: asStringPointer("lamp-on"),
Type: &[]string{iotSchema.IRIPrefix("SwitchStatus")},
DataPropertyConstraint: &DataPropertyConstraint{
Name: asStringPointer("value"),
Type: &[]string{iotSchema.IRIPrefix("StatusData")},
DataType: asStringPointer(SchemaJSON.IRIPrefix("BooleanSchema")),
},
DataType: asStringPointer(SchemaJSON.IRIPrefix("ObjectSchema")),
IsObservable: asBooleanPointer(false),
},
},
ExpectedResult: true,
},
}
func TestFulfill(t *testing.T) {
DefaultContext[iotSchema.Prefix.String()] = iotSchema
for _, currTest := range fulfillTests {
t.Run(currTest.Name, func(t *testing.T) {
expandedTD, err := FromBytes(currTest.TD)
if err != nil {
t.Fatalf(currTest.Name+" failed. Failed to build expanded td: %v", err)
} else {
res := expandedTD.Fulfills(currTest.Constraint)
if res != currTest.ExpectedResult {
t.Fatalf(currTest.Name+" failed. Expected: %t, Got: %t", currTest.ExpectedResult, res)
}
}
})
}
}
func TestFindPropertyAffordances(t *testing.T) {
thingConstraint := ThingConstraint{
Type: &[]string{
iotSchema.IRIPrefix("BinarySwitchControl"),
iotSchema.IRIPrefix("ColourControl"),
},
}
expandedTD, err := FromBytes(testTDOne)
if err != nil {
t.Fatalf("Failed to build expanded td: %v", err)
}
thingMatches := expandedTD.Fulfills(thingConstraint)
if !thingMatches {
t.Fatalf("Thing does not match")
}
// now searching for property affordances with specific criteria
propertyConstraint := PropertyConstraint{
Type: &[]string{
iotSchema.IRIPrefix("SwitchStatus"),
},
DataPropertyConstraint: &DataPropertyConstraint{
Type: &[]string{
iotSchema.IRIPrefix("StatusData"),
},
},
}
result := expandedTD.GetPropertyAffordances(propertyConstraint)
if len(result) != 1 {
t.Fatalf("Unexpected result set. Expected: 1, Got: %d", len(result))
}
href := result[0].Form.Value().Href
if href.Value() != "https://api.connctd.io/api/betav1/wot/things/ad4bb62b-4e95-4628-9d8b-3cd412ec140f/components/lamp/properties/on" {
t.Fatalf("Unexpected href in result set")
}
}
func TestFindPropertyAffordancesInSet(t *testing.T) {
constraint := ThingConstraint{
Type: &[]string{
iotSchema.IRIPrefix("BinarySwitchControl"),
iotSchema.IRIPrefix("ColourControl"),
},
PropertyConstraint: &PropertyConstraint{
Type: &[]string{
iotSchema.IRIPrefix("SwitchStatus"),
},
DataPropertyConstraint: &DataPropertyConstraint{
Type: &[]string{
iotSchema.IRIPrefix("StatusData"),
},
},
},
}
expandedTD, err := FromBytes(testTDOne)
if err != nil {
t.Fatalf("Failed to build expanded td: %v", err)
}
set := NewExpandedThingDescriptionSet(expandedTD)
result := set.GetPropertyAffordances(constraint)
if len(result) != 1 {
t.Fatalf("Unexpected result set. Expected: 1, Got: %d", len(result))
}
href := result[0].Form.Value().Href
if href.Value() != "https://api.connctd.io/api/betav1/wot/things/ad4bb62b-4e95-4628-9d8b-3cd412ec140f/components/lamp/properties/on" {
t.Fatalf("Unexpected href in result set")
}
}
func TestFindActionAffordancesInSet(t *testing.T) {
constraint := ThingConstraint{
Type: &[]string{
iotSchema.IRIPrefix("BinarySwitchControl"),
iotSchema.IRIPrefix("ColourControl"),
},
ActionConstraint: &ActionConstraint{
Type: &[]string{
iotSchema.IRIPrefix("TurnOn"),
},
InputConstraint: &InputConstraint{
DataPropertyConstraint: &DataPropertyConstraint{
Type: &[]string{iotSchema.IRIPrefix("StatusData")},
},
},
},
}
expandedTD, err := FromBytes(testTDOne)
if err != nil {
t.Fatalf("Failed to build expanded td: %v", err)
}
set := NewExpandedThingDescriptionSet(expandedTD)
result := set.GetActionAffordances(constraint)
if len(result) != 1 {
t.Fatalf("Unexpected result set. Expected: 1, Got: %d", len(result))
}
href := result[0].Form.Value().Href
if href.Value() != "https://api.connctd.io/api/betav1/wot/things/ad4bb62b-4e95-4628-9d8b-3cd412ec140f/components/lamp/actions/setOn" {
t.Fatalf("Unexpected href in result set")
}
}
func asStringPointer(input string) *string {
return &input
}
func asBooleanPointer(input bool) *bool {
return &input
}
var testTDOne = []byte(`{
"@context": [
"https://www.w3.org/2019/wot/td/v1",
{
"iot": "http://iotschema.org/",
"unit": "http://qudt.org/vocab/unit/",
"schema": "http://schema.org/"
}
],
"description": "Generated TD from thing",
"schema:manufacturer": "LIFX",
"securityDefinitions": {
"bearerSecurityScheme": {
"in": "header",
"alg": "HMAC-SHA256",
"name": "Authorization",
"format": "jwt",
"scheme": "bearer",
"authorization": "https://api.connctd.io/oauth2/token"
}
},
"security": [
"bearerSecurityScheme"
],
"id": "uri:urn:ed2f1fb3-cbf8-479e-99bb-ef9968e5eed6",
"name": "LightOne",
"@type": [
"Thing",
"iot:ColourControl",
"iot:DimmerControl",
"iot:BinarySwitchControl"
],
"title": "LightOne",
"actions": {
"lamp-setOn": {
"safe": false,
"@type": [
"ActionAffordance",
"iot:TurnOn",
"iot:TurnOff"
],
"forms": [
{
"op": "invokeaction",
"href": "https://api.connctd.io/api/betav1/wot/things/ad4bb62b-4e95-4628-9d8b-3cd412ec140f/components/lamp/actions/setOn",
"contentType": "application/json"
}
],
"input": {
"type": "object",
"properties": {
"on": {
"type": "boolean",
"@type": ["iot:StatusData","iot:StateData"]
}
}
},
"title": "setOn",
"idempotent": true
},
"lamp-setColor": {
"safe": true,
"type": "object",
"@type": [
"ActionAffordance",
"iot:SetColour"
],
"forms": [
{
"op": "invokeaction",
"href": "https://api.connctd.io/api/betav1/wot/things/ad4bb62b-4e95-4628-9d8b-3cd412ec140f/components/lamp/actions/setColor",
"contentType": "application/json"
}
],
"input": {
"type": "object",
"properties": {
"red": {
"type": "integer",
"@type": "iot:RColourData"
},
"blue": {
"type": "integer",
"@type": "iot:BColourData"
},
"green": {
"type": "integer",
"@type": "iot:GColourData"
}
}
},
"title": "setColor",
"idempotent": true
}
},
"properties": {
"lamp-on": {
"type": "object",
"@type": [
"PropertyAffordance",
"iot:SwitchStatus"
],
"forms": [
{
"op": "readproperty",
"href": "https://api.connctd.io/api/betav1/wot/things/ad4bb62b-4e95-4628-9d8b-3cd412ec140f/components/lamp/properties/on",
"contentType": "application/json"
}
],
"title": "on",
"writeable": false,
"observable": false,
"properties": {
"time": {
"@id": "dateModified",
"type": "string",
"@type": "schema:DateTime"
},
"value": {
"type": "boolean",
"@type": "iot:StatusData",
"schema:dateModified": {
"@id": "dateModified"
}
}
}
},
"lamp-color": {
"type": "object",
"@type": [
"PropertyAffordance",
"iot:CurrentColour"
],
"forms": [
{
"op": "readproperty",
"href": "https://api.connctd.io/api/betav1/wot/things/ad4bb62b-4e95-4628-9d8b-3cd412ec140f/components/lamp/properties/color",
"contentType": "application/json"
}
],
"title": "color",
"writeable": false,
"observable": false,
"properties": {
"red": {
"type": "integer",
"@type": "iot:RColourData",
"schema:dateModified": {
"@id": "dateModified"
}
},
"blue": {
"type": "integer",
"@type": "iot:BColourData",
"schema:dateModified": {
"@id": "dateModified"
}
},
"time": {
"@id": "dateModified",
"type": "string",
"@type": "schema:DateTime"
},
"green": {
"type": "integer",
"@type": "iot:GColourData",
"schema:dateModified": {
"@id": "dateModified"
}
}
}
}
}
}
`)