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index.js
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/*
* Copyright (c) 2020 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the W3C Software Notice and
* Document License (2015-05-13) which is available at
* https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document.
*
* SPDX-License-Identifier: EPL-2.0 OR W3C-20150513
*/
const jsonld = require("jsonld");
const Ajv = require("ajv");
const addFormats = require("ajv-formats");
const apply = require("ajv-formats-draft2019");
const lzs = require("lz-string");
const jsYaml = require("js-yaml");
const coreAssertions = require("./shared");
const tdSchema = require("./td-schema.json");
const fullTdSchema = require("./td-schema-full.json");
const tmSchema = require("./tm-schema.json");
const builder = require("junit-report-builder");
const jsonValidator = require("json-dup-key-validator");
module.exports.tdValidator = tdValidator;
module.exports.tmValidator = tmValidator;
module.exports.propUniqueness = coreAssertions.checkPropUniqueness;
module.exports.multiLangConsistency = coreAssertions.checkMultiLangConsistency;
module.exports.checkLinksRelTypeCount = coreAssertions.checkLinksRelTypeCount;
module.exports.security = coreAssertions.checkSecurity;
module.exports.checkUriSecurity = coreAssertions.checkUriSecurity;
module.exports.compress = compress;
module.exports.decompress = decompress;
module.exports.checkTmOptionalPointer = coreAssertions.checkTmOptionalPointer;
module.exports.checkLinkedAffordances = coreAssertions.checkLinkedAffordances;
module.exports.checkLinkedStructure = coreAssertions.checkLinkedStructure;
module.exports.convertTDJsonToYaml = convertTDJsonToYaml;
module.exports.convertTDYamlToJson = convertTDYamlToJson;
// This is implemented to avoid a test error, where jest seems to intercept the request
const customLoader = async (url) => {
return {
contextUrl: null, // this is for a context via a link header
document: {}, // this is the actual document that was loaded
documentUrl: url // this is the actual context URL after redirects
};
};
/**
* A function that provides the core functionality of the TD Playground.
* @param {string} tdString The Thing Description to check as a string.
* @param {function} logFunc (string) => void; Callback used to log the validation progress.
* @param {object} options additional options, which checks should be executed
* @returns {Promise<object>} Results of the validation as {report, details, detailComments} object
*/
function tdValidator(
tdString,
logFunc,
{ checkDefaults = true, checkJsonLd = true, checkTmConformance = true },
suite
) {
return new Promise(async (res, rej) => {
// check input
if (typeof tdString !== "string") {
rej("Thing Description input should be a String");
}
if (checkDefaults === undefined) {
checkDefaults = true;
}
if (checkJsonLd === undefined) {
checkJsonLd = true;
}
if (typeof logFunc !== "function") {
rej("Expected logFunc to be a function");
}
if (suite === undefined) {
suite = builder.testSuite().name("tests");
}
// report that is returned by the function, possible values for every property:
// null -> not tested, "passed", "failed", "warning"
const report = {
json: null,
schema: null,
defaults: null,
jsonld: null,
additional: null,
};
// changing the two following objects implies adjusting the tests accordingly
const details = {
enumConst: null,
propItems: null,
security: null,
propUniqueness: null,
multiLangConsistency: null,
linksRelTypeCount: null,
readWriteOnly: null,
uriVariableSecurity: null,
linkedAffordances: null,
linkedStructure: null,
};
const detailComments = {
enumConst: "Checking whether a data schema has enum and const at the same time.",
propItems: "Checking whether a data schema has an object but not properties or array but no items.",
security: "Check if used Security definitions are properly defined previously.",
propUniqueness:
"Checking whether in one interaction pattern there are duplicate names, e.g. two properties called temp.",
multiLangConsistency: "Checks whether all titles and descriptions have the same language fields.",
linksRelTypeCount: "Checks whether rel:type is used more than once in the links array",
readWriteOnly:
"Warns if a property has readOnly or writeOnly set to true conflicting with another property.",
uriVariableSecurity:
"Checks if the name of an APIKey security scheme with in:uri show up in href and does not \
conflict with normal uriVariables",
linkedAffordances: "Check if TD has all affordances required by linked TM",
linkedStructure: "Check if TD structure corresponds to the one imposed by linked TM",
};
let tdJson;
let start = Date.now();
try {
tdJson = JSON.parse(tdString);
report.json = "passed";
const end = Date.now();
suite
.testCase()
.className("tdValidator")
.name("JSON Validation")
.time(end - start);
} catch (err) {
report.json = "failed";
logFunc("X JSON validation failed:");
logFunc(err);
const end = Date.now();
suite
.testCase()
.className("tdValidator")
.name("JSON Validation")
.time(end - start)
.failure("Not a valid JSON file");
res({ report, details, detailComments });
}
start = Date.now();
let ajv = new Ajv({ strict: false }); // options can be passed, e.g. {allErrors: true}
ajv = addFormats(ajv); // ajv does not support formats by default anymore
ajv = apply(ajv); // new formats that include iri
ajv.addSchema(tdSchema, "td");
const valid = ajv.validate("td", tdJson);
// used to be var valid = ajv.validate('td', e.detail);
if (valid) {
report.schema = "passed";
let end = Date.now();
suite
.testCase()
.className("tdValidator")
.name("Schema Validation")
.time(end - start);
// check with full schema
if (checkDefaults) {
start = Date.now();
ajv.addSchema(fullTdSchema, "fulltd");
const fullValid = ajv.validate("fulltd", tdJson);
if (fullValid) {
report.defaults = "passed";
end = Date.now();
suite
.testCase()
.className("tdValidator")
.name("Defaults Validation")
.time(end - start);
} else {
report.defaults = "warning";
end = Date.now();
suite
.testCase()
.className("tdValidator")
.name("Defaults Validation")
.time(end - start)
.error(ajv.errorsText(filterErrorMessages(ajv.errors)));
logFunc("Optional validation failed:");
logFunc("> " + ajv.errorsText(filterErrorMessages(ajv.errors)));
}
}
// do additional checks
start = Date.now();
checkEnumConst(tdJson);
checkPropItems(tdJson);
checkReadWriteOnly(tdJson);
details.security = evalAssertion(coreAssertions.checkSecurity(tdJson));
details.propUniqueness = evalAssertion(coreAssertions.checkPropUniqueness(tdString));
if (details.propUniqueness === "passed") {
details.propUniqueness = checkSecPropUniqueness(tdString, tdJson);
} else {
checkSecPropUniqueness(tdString, tdJson);
}
details.multiLangConsistency = evalAssertion(coreAssertions.checkMultiLangConsistency(tdJson));
details.linksRelTypeCount = evalAssertion(coreAssertions.checkLinksRelTypeCount(tdJson));
details.uriVariableSecurity = evalAssertion(coreAssertions.checkUriSecurity(tdJson));
if (checkTmConformance) {
details.linkedAffordances = evalAssertion(await coreAssertions.checkLinkedAffordances(tdJson), false);
details.linkedStructure = evalAssertion(await coreAssertions.checkLinkedStructure(tdJson), false);
}
// determine additional check state
// passed + warning -> warning
// passed AND OR warning + error -> error
report.additional = "passed";
Object.keys(details).forEach((prop) => {
if (details[prop] === "warning" && report.additional === "passed") {
report.additional = "warning";
} else if (details[prop] === "failed" && report.additional !== "failed") {
report.additional = "failed";
}
});
end = Date.now();
if (report.additional === "passed") {
suite
.testCase()
.className("tdValidator")
.name("Additional Validation")
.time(end - start);
} else if (report.additional === "warning") {
suite
.testCase()
.className("tdValidator")
.name("Additional Validation")
.time(end - start)
.error("Warning!");
} else {
suite
.testCase()
.className("tdValidator")
.name("Additional Validation")
.time(end - start)
.failure();
}
} else {
report.schema = "failed";
const end = Date.now();
suite
.testCase()
.className("tdValidator")
.name("Schema Validation")
.time(end - start)
.failure(ajv.errorsText(filterErrorMessages(ajv.errors)));
logFunc("X JSON Schema validation failed:");
logFunc("> " + ajv.errorsText(filterErrorMessages(ajv.errors)));
res({ report, details, detailComments });
}
// json ld validation
if (checkJsonLd) {
start = Date.now();
jsonld
.toRDF(tdJson, {
format: "application/n-quads",
documentLoader: customLoader,
})
.then(
(nquads) => {
report.jsonld = "passed";
const end = Date.now();
suite
.testCase()
.className("tdValidator")
.name("JSON LD Validation")
.time(end - start);
res({ report, details, detailComments });
},
(err) => {
report.jsonld = "failed";
const end = Date.now();
suite
.testCase()
.className("tdValidator")
.name("JSON LD Validation")
.time(end - start)
.failure(err);
logFunc("X JSON-LD validation failed:");
logFunc("Hint: Make sure you have internet connection available.");
logFunc("> " + err);
res({ report, details, detailComments });
}
);
} else {
res({ report, details, detailComments });
}
// ************ functions ***************
/** checking whether a data schema has enum and const at the same and displaying a warning in case there are */
function checkEnumConst(td) {
details.enumConst = "passed";
if (td.hasOwnProperty("properties")) {
// checking properties
tdProperties = Object.keys(td.properties);
for (let i = 0; i < tdProperties.length; i++) {
const curPropertyName = tdProperties[i];
const curProperty = td.properties[curPropertyName];
if (curProperty.hasOwnProperty("enum") && curProperty.hasOwnProperty("const")) {
details.enumConst = "warning";
logFunc(
"! Warning: In property " +
curPropertyName +
" enum and const are used at the same time, the values in enum" +
" can never be valid in the received JSON value"
);
}
}
}
// checking actions
if (td.hasOwnProperty("actions")) {
tdActions = Object.keys(td.actions);
for (let i = 0; i < tdActions.length; i++) {
const curActionName = tdActions[i];
const curAction = td.actions[curActionName];
if (curAction.hasOwnProperty("input")) {
const curInput = curAction.input;
if (curInput.hasOwnProperty("enum") && curInput.hasOwnProperty("const")) {
details.enumConst = "warning";
logFunc(
"! Warning: In the input of action " +
curActionName +
" enum and const are used at the same time, the values in enum can" +
" never be valid in the received JSON value"
);
}
}
if (curAction.hasOwnProperty("output")) {
const curOutput = curAction.output;
if (curOutput.hasOwnProperty("enum") && curOutput.hasOwnProperty("const")) {
details.enumConst = "warning";
logFunc(
"! Warning: In the output of action " +
curActionName +
" enum and const are used at the same time, the values in enum can" +
" never be valid in the received JSON value"
);
}
}
}
}
// checking events
if (td.hasOwnProperty("events")) {
tdEvents = Object.keys(td.events);
for (let i = 0; i < tdEvents.length; i++) {
const curEventName = tdEvents[i];
const curEvent = td.events[curEventName];
if (curEvent.hasOwnProperty("enum") && curEvent.hasOwnProperty("const")) {
details.enumConst = "warning";
logFunc(
"! Warning: In event " +
curEventName +
" enum and const are used at the same time, the" +
" values in enum can never be valid in the received JSON value"
);
}
}
}
return;
}
/**
* checking whether a data schema has object but not properties, array but no items
* @param {object} td The TD under test
*/
function checkPropItems(td) {
details.propItems = "passed";
if (td.hasOwnProperty("properties")) {
// checking properties
tdProperties = Object.keys(td.properties);
for (let i = 0; i < tdProperties.length; i++) {
const curPropertyName = tdProperties[i];
const curProperty = td.properties[curPropertyName];
if (curProperty.hasOwnProperty("type")) {
if (curProperty.type === "object" && !curProperty.hasOwnProperty("properties")) {
details.propItems = "warning";
logFunc(
"! Warning: In property " +
curPropertyName +
", the type is object but its properties are not specified"
);
}
if (curProperty.type === "array" && !curProperty.hasOwnProperty("items")) {
details.propItems = "warning";
logFunc(
"! Warning: In property " +
curPropertyName +
", the type is array but its items are not specified"
);
}
}
}
}
// checking actions
if (td.hasOwnProperty("actions")) {
tdActions = Object.keys(td.actions);
for (let i = 0; i < tdActions.length; i++) {
const curActionName = tdActions[i];
const curAction = td.actions[curActionName];
if (curAction.hasOwnProperty("input")) {
const curInput = curAction.input;
if (curInput.hasOwnProperty("type")) {
if (curInput.type === "object" && !curInput.hasOwnProperty("properties")) {
details.propItems = "warning";
logFunc(
"! Warning: In the input of action " +
curActionName +
", the type is object but its properties are not specified"
);
}
if (curInput.type === "array" && !curInput.hasOwnProperty("items")) {
details.propItems = "warning";
logFunc(
"! Warning: In the output of action " +
curActionName +
", the type is array but its items are not specified"
);
}
}
}
if (curAction.hasOwnProperty("output")) {
const curOutput = curAction.output;
if (curOutput.hasOwnProperty("type")) {
if (curOutput.type === "object" && !curOutput.hasOwnProperty("properties")) {
details.propItems = "warning";
logFunc(
"! Warning: In the output of action " +
curActionName +
", the type is object but its properties are not specified"
);
}
if (curOutput.type === "array" && !curOutput.hasOwnProperty("items")) {
details.propItems = "warning";
logFunc(
"! Warning: In the output of action " +
curActionName +
", the type is array but its items are not specified"
);
}
}
}
}
}
// checking events
if (td.hasOwnProperty("events")) {
tdEvents = Object.keys(td.events);
for (let i = 0; i < tdEvents.length; i++) {
const curEventName = tdEvents[i];
const curEvent = td.events[curEventName];
if (curEvent.hasOwnProperty("type")) {
if (curEvent.type === "object" && !curEvent.hasOwnProperty("properties")) {
details.propItems = "warning";
logFunc(
"! Warning: In event " +
curEventName +
", the type is object but its properties are not specified"
);
}
if (curEvent.type === "array" && !curEvent.hasOwnProperty("items")) {
details.propItems = "warning";
logFunc(
"! Warning: In event " +
curEventName +
", the type is array but its items are not specified"
);
}
}
}
}
return;
}
/**
* Warns if a property has readOnly or writeOnly set to true conflicting with another property.
* @param {object} td The TD under test
*/
function checkReadWriteOnly(td) {
details.readWriteOnly = "passed";
if (td.hasOwnProperty("properties")) {
// checking properties
tdProperties = Object.keys(td.properties);
for (let i = 0; i < tdProperties.length; i++) {
const curPropertyName = tdProperties[i];
const curProperty = td.properties[curPropertyName];
// if readOnly is set
if (curProperty.hasOwnProperty("readOnly") && curProperty.readOnly === true) {
// check if both readOnly and writeOnly are true
if (curProperty.hasOwnProperty("writeOnly") && curProperty.writeOnly === true) {
details.readWriteOnly = "warning";
logFunc(
"! Warning: In property " +
curPropertyName +
", both readOnly and writeOnly are set to true!"
);
}
// check forms if op writeProperty is set
if (curProperty.hasOwnProperty("forms")) {
for (const formElIndex in curProperty.forms) {
if (curProperty.forms.hasOwnProperty(formElIndex)) {
const formEl = curProperty.forms[formElIndex];
if (formEl.hasOwnProperty("op")) {
if (
(typeof formEl.op === "string" && formEl.op === "writeproperty") ||
(typeof formEl.op === "object" &&
formEl.op.some((el) => el === "writeproperty"))
) {
details.readWriteOnly = "warning";
logFunc(
"! Warning: In property " +
curPropertyName +
" in forms[" +
formElIndex +
'], readOnly is set but the op property contains "writeproperty"'
);
}
} else {
details.readWriteOnly = "warning";
logFunc(
"! Warning: In property " +
curPropertyName +
" in forms[" +
formElIndex +
'], readOnly is set but a form op property defaults to ["writeproperty", "readproperty"]'
);
}
}
}
}
}
// if writeOnly is set
if (curProperty.hasOwnProperty("writeOnly") && curProperty.writeOnly === true) {
// check forms if op readProperty is set
if (curProperty.hasOwnProperty("forms")) {
for (const formElIndex in curProperty.forms) {
if (curProperty.forms.hasOwnProperty(formElIndex)) {
const formEl = curProperty.forms[formElIndex];
if (formEl.hasOwnProperty("op")) {
if (
(typeof formEl.op === "string" && formEl.op === "readproperty") ||
(typeof formEl.op === "object" &&
formEl.op.some((el) => el === "readproperty"))
) {
details.readWriteOnly = "warning";
logFunc(
"! Warning: In property " +
curPropertyName +
" in forms[" +
formElIndex +
'], writeOnly is set but the op property contains "readproperty"'
);
} else if (
(typeof formEl.op === "string" && formEl.op === "observeproperty") ||
(typeof formEl.op === "object" &&
formEl.op.some((el) => el === "observeproperty"))
) {
details.readWriteOnly = "warning";
logFunc(
"! Warning: In property " +
curPropertyName +
" in forms[" +
formElIndex +
'], writeOnly is set but the op property contains "observeproperty"'
);
}
} else {
details.readWriteOnly = "warning";
logFunc(
"! Warning: In property " +
curPropertyName +
" in forms[" +
formElIndex +
'], writeOnly is set but a form op property defaults to ["writeproperty", "readproperty"]'
);
}
}
}
}
// check if observable is also set
if (curProperty.hasOwnProperty("observable") && curProperty.observable === true) {
details.readWriteOnly = "warning";
logFunc(
"! Warning: In property " +
curPropertyName +
", both writeOnly and observable are set to true!"
);
}
}
}
}
}
/**
* Warns if security Definitions has no unique keys
* @param {object} tdStr The TD under test as string
*/
function checkSecPropUniqueness(tdStr, td) {
let result = "passed";
try {
// checking whether there are securityDefinitions at all
jsonValidator.parse(tdStr, false);
} catch (error) {
// there is a duplicate somewhere
// convert it into string to be able to process it
// error is of form = Error: Syntax error: duplicated keys "overheating" near ting": {
const errorString = error.toString();
// to get the name, we need to remove the quotes around it
const startQuote = errorString.indexOf('"');
// slice to remove the part before the quote
const restString = errorString.slice(startQuote + 1);
// find where the interaction name ends
const endQuote = restString.indexOf('"');
// finally get the interaction name
const securitySchemeName = restString.slice(0, endQuote);
if (td.securityDefinitions.hasOwnProperty(securitySchemeName)) {
result = "failed";
logFunc("KO Error: The securityDefinitions contain a duplicate");
}
}
return result;
}
/**
* Evaluates whether an assertion function contains a failed check
* Whether assertions are not-implemented/passed or return warning
* matters depending on the failOnly flag
* Logs the comment
* @param {Array} results Array of objects with props "ID", "Status" and optionally "Comment"
* @returns string status like passed/fail/warning/not-impl
*/
function evalAssertion(results, failOnly = true) {
let out = "passed";
results.forEach((resultobj) => {
if (resultobj.Status === "fail") {
out = "failed";
logFunc("KO Error: Assertion: " + resultobj.ID);
logFunc(resultobj.Comment);
} else if (!failOnly && resultobj.Status !== "pass") {
out = resultobj.Status;
logFunc(
`Assertion: ${resultobj.ID}: ${resultobj.Status}${
resultobj.Comment ? " => " + resultobj.Comment : ""
}`
);
}
});
return out;
}
/**
* Removes duplicate error messages, as these are produced
* otherwise, especially for "oneOf" schemes
* @param {ajv.ErrorObject[]} errors
*/
function filterErrorMessages(errors) {
const output = [];
errors.forEach((el) => {
if (!output.some((ce) => ce.dataPath === el.dataPath && ce.message === el.message)) {
output.push(el);
}
});
return output;
}
});
}
/**
* A function that provides the core functionality of the TD Playground.
* @param {string} tmString The Thing Model to check as a string.
* @param {function} logFunc (string) => void; Callback used to log the validation progress.
* @param {object} options additional options, which checks should be executed
* @returns {Promise<object>} Results of the validation as {report, details, detailComments} object
*/
function tmValidator(tmString, logFunc, { checkDefaults = true, checkJsonLd = true }, suite) {
return new Promise((res, rej) => {
// check input
if (typeof tmString !== "string") {
rej("Thing Model input should be a String");
}
if (checkDefaults === undefined) {
checkDefaults = true;
}
if (checkJsonLd === undefined) {
checkJsonLd = true;
}
if (typeof logFunc !== "function") {
rej("Expected logFunc to be a function");
}
if (suite === undefined) {
suite = builder.testSuite().name("tests");
}
// report that is returned by the function, possible values for every property:
// null -> not tested, "passed", "failed", "warning"
const report = {
json: null,
schema: null,
defaults: null,
jsonld: null,
additional: null,
};
// changing the two following objects implies adjusting the tests accordingly
const details = {
enumConst: null,
propItems: null,
propUniqueness: null,
multiLangConsistency: null,
linksRelTypeCount: null,
readWriteOnly: null,
tmOptionalPointer: null,
};
const detailComments = {
enumConst: "Checking whether a data schema has enum and const at the same time.",
propItems: "Checking whether a data schema has an object but not properties or array but no items.",
propUniqueness:
"Checking whether in one interaction pattern there are duplicate names, e.g. two properties called temp.",
multiLangConsistency: "Checks whether all titles and descriptions have the same language fields.",
linksRelTypeCount: "Checks whether rel:type is used more than once in the links array",
readWriteOnly:
"Warns if a property has readOnly or writeOnly set to true conflicting with another property.",
tmOptionalPointer: "Checking whether tm:optional points to an actual affordance",
};
let start = Date.now();
let tmJson;
try {
tmJson = JSON.parse(tmString);
report.json = "passed";
const end = Date.now();
suite
.testCase()
.className("tdValidator")
.name("JSON Validation")
.time(end - start);
} catch (err) {
report.json = "failed";
logFunc("X JSON validation failed:");
logFunc(err);
const end = Date.now();
suite
.testCase()
.className("tdValidator")
.name("JSON Validation")
.time(end - start)
.failure("Not a valid JSON file");
res({ report, details, detailComments });
}
start = Date.now();
let ajv = new Ajv({ strict: false }); // options can be passed, e.g. {allErrors: true}
ajv = addFormats(ajv); // ajv does not support formats by default anymore
ajv = apply(ajv); // new formats that include iri
ajv.addSchema(tmSchema, "tm");
const valid = ajv.validate("tm", tmJson);
// used to be var valid = ajv.validate('td', e.detail);
if (valid) {
report.schema = "passed";
let end = Date.now();
suite
.testCase()
.className("tdValidator")
.name("Schema Validation")
.time(end - start);
// do additional checks
checkEnumConst(tmJson);
checkPropItems(tmJson);
checkReadWriteOnly(tmJson);
// ! no need to do security checking
// details.security = evalAssertion(coreAssertions.checkSecurity(tmJson))
details.propUniqueness = evalAssertion(coreAssertions.checkPropUniqueness(tmString));
if (details.propUniqueness === "passed") {
details.propUniqueness = checkSecPropUniqueness(tmString, tmJson);
} else {
checkSecPropUniqueness(tmString, tmJson);
}
details.multiLangConsistency = evalAssertion(coreAssertions.checkMultiLangConsistency(tmJson));
details.linksRelTypeCount = evalAssertion(coreAssertions.checkLinksRelTypeCount(tmJson));
details.tmOptionalPointer = evalAssertion(coreAssertions.checkTmOptionalPointer(tmJson));
// determine additional check state
// passed + warning -> warning
// passed AND OR warning + error -> error
report.additional = "passed";
Object.keys(details).forEach((prop) => {
if (details[prop] === "warning" && report.additional === "passed") {
report.additional = "warning";
} else if (details[prop] === "failed" && report.additional !== "failed") {
report.additional = "failed";
}
});
end = Date.now();
if (report.additional === "passed") {
suite
.testCase()
.className("tmValidator")
.name("Additional Validation")
.time(end - start);
} else if (report.additional === "warning") {
suite
.testCase()
.className("tmValidator")
.name("Additional Validation")
.time(end - start)
.error("Warning!");
} else {
suite
.testCase()
.className("tmValidator")
.name("Additional Validation")
.time(end - start)
.failure();
}
} else {
report.schema = "failed";
const end = Date.now();
suite
.testCase()
.className("tdValidator")
.name("Schema Validation")
.time(end - start)
.failure(ajv.errorsText(filterErrorMessages(ajv.errors)));
logFunc("X JSON Schema validation failed:");
logFunc("> " + ajv.errorsText(filterErrorMessages(ajv.errors)));
res({ report, details, detailComments });
}
// json ld validation
if (checkJsonLd) {
start = Date.now();
jsonld
.toRDF(tmJson, {
format: "application/n-quads",
documentLoader: customLoader,
})
.then(
(nquads) => {
report.jsonld = "passed";
const end = Date.now();
suite
.testCase()
.className("tdValidator")
.name("JSON LD Validation")
.time(end - start);
res({ report, details, detailComments });
},
(err) => {
report.jsonld = "failed";
const end = Date.now();
suite
.testCase()
.className("tdValidator")
.name("JSON LD Validation")
.time(end - start)
.failure(err);
logFunc("X JSON-LD validation failed:");
logFunc("Hint: Make sure you have internet connection available.");
logFunc("> " + err);
res({ report, details, detailComments });
}
);
} else {
res({ report, details, detailComments });
}
// ************ functions ***************
/** checking whether a data schema has enum and const at the same and displaying a warning in case there are */
function checkEnumConst(tm) {
details.enumConst = "passed";
if (tm.hasOwnProperty("properties")) {
// checking properties
tmProperties = Object.keys(tm.properties);
for (let i = 0; i < tmProperties.length; i++) {
const curPropertyName = tmProperties[i];
const curProperty = tm.properties[curPropertyName];
if (curProperty.hasOwnProperty("enum") && curProperty.hasOwnProperty("const")) {
details.enumConst = "warning";
logFunc(
"! Warning: In property " +
curPropertyName +
" enum and const are used at the same time, the values in enum" +
" can never be valid in the received JSON value"
);
}
}
}
// checking actions
if (tm.hasOwnProperty("actions")) {
tmActions = Object.keys(tm.actions);
for (let i = 0; i < tmActions.length; i++) {
const curActionName = tmActions[i];
const curAction = tm.actions[curActionName];
if (curAction.hasOwnProperty("input")) {
const curInput = curAction.input;
if (curInput.hasOwnProperty("enum") && curInput.hasOwnProperty("const")) {
details.enumConst = "warning";
logFunc(
"! Warning: In the input of action " +
curActionName +
" enum and const are used at the same time, the values in enum can" +
" never be valid in the received JSON value"
);
}
}
if (curAction.hasOwnProperty("output")) {
const curOutput = curAction.output;
if (curOutput.hasOwnProperty("enum") && curOutput.hasOwnProperty("const")) {
details.enumConst = "warning";
logFunc(
"! Warning: In the output of action " +
curActionName +
" enum and const are used at the same time, the values in enum can" +
" never be valid in the received JSON value"
);
}
}
}
}
// checking events
if (tm.hasOwnProperty("events")) {
tmEvents = Object.keys(tm.events);
for (let i = 0; i < tmEvents.length; i++) {
const curEventName = tmEvents[i];
const curEvent = tm.events[curEventName];
if (curEvent.hasOwnProperty("enum") && curEvent.hasOwnProperty("const")) {
details.enumConst = "warning";
logFunc(
"! Warning: In event " +
curEventName +
" enum and const are used at the same time, the" +
" values in enum can never be valid in the received JSON value"
);
}
}
}
return;
}
/**
* checking whether a data schema has object but not properties, array but no items
* @param {object} tm The TD under test
*/
function checkPropItems(tm) {
details.propItems = "passed";
if (tm.hasOwnProperty("properties")) {
// checking properties
tmProperties = Object.keys(tm.properties);
for (let i = 0; i < tmProperties.length; i++) {
const curPropertyName = tmProperties[i];
const curProperty = tm.properties[curPropertyName];
if (curProperty.hasOwnProperty("type")) {
if (curProperty.type === "object" && !curProperty.hasOwnProperty("properties")) {
details.propItems = "warning";
logFunc(
"! Warning: In property " +
curPropertyName +
", the type is object but its properties are not specified"
);
}
if (curProperty.type === "array" && !curProperty.hasOwnProperty("items")) {
details.propItems = "warning";
logFunc(
"! Warning: In property " +
curPropertyName +