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Merge pull request #4590 from node-red/jsonata-update

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Upgrade to JSONata 2.x
This commit is contained in:
Nick O'Leary
2024-03-07 14:28:35 +00:00
committed by GitHub
parent 22b4ab6bb2 a6cbceed28
commit e4dc1779c3
4 changed files with 96 additions and 32 deletions
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111
test/unit/@node-red/util/lib/util_spec.js
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@@ -448,9 +448,16 @@ describe("@node-red/util/util", function() {
},{});
result.should.eql("123");
});
it('returns jsonata result', function () {
var result = util.evaluateNodeProperty('$abs(-1)','jsonata',{},{});
result.should.eql(1);
it('returns jsonata result', function (done) {
util.evaluateNodeProperty('$abs(-1)','jsonata',{},{}, (err, result) => {
try {
result.should.eql(1);
done()
} catch (error) {
done(error)
}
});
});
it('returns null', function() {
var result = util.evaluateNodeProperty(null,'null');
@@ -608,51 +615,105 @@ describe("@node-red/util/util", function() {
});
});
describe('evaluateJSONataExpression', function() {
it('evaluates an expression', function() {
it('evaluates an expression', function(done) {
var expr = util.prepareJSONataExpression('payload',{});
var result = util.evaluateJSONataExpression(expr,{payload:"hello"});
result.should.eql("hello");
util.evaluateJSONataExpression(expr,{payload:"hello"}, (err, result) => {
try {
result.should.eql("hello");
done()
} catch (error) {
done(error)
}
});
});
it('evaluates a legacyMode expression', function() {
var expr = util.prepareJSONataExpression('msg.payload',{});
var result = util.evaluateJSONataExpression(expr,{payload:"hello"});
result.should.eql("hello");
util.evaluateJSONataExpression(expr,{payload:"hello"}, (err, result) => {
try {
result.should.eql("hello");
done()
} catch (error) {
done(error)
}
});
});
it('accesses flow context from an expression', function() {
var expr = util.prepareJSONataExpression('$flowContext("foo")',{context:function() { return {flow:{get: function(key) { return {'foo':'bar'}[key]}}}}});
var result = util.evaluateJSONataExpression(expr,{payload:"hello"});
result.should.eql("bar");
util.evaluateJSONataExpression(expr,{payload:"hello"}, (err, result) => {
try {
result.should.eql("bar");
done()
} catch (error) {
done(error)
}
});
});
it('accesses undefined environment variable from an expression', function() {
var expr = util.prepareJSONataExpression('$env("UTIL_ENV")',{});
var result = util.evaluateJSONataExpression(expr,{});
result.should.eql('');
});
util.evaluateJSONataExpression(expr,{}, (err, result) => {
try {
result.should.eql("");
done()
} catch (error) {
done(error)
}
});
});
it('accesses environment variable from an expression', function() {
process.env.UTIL_ENV = 'foo';
var expr = util.prepareJSONataExpression('$env("UTIL_ENV")',{});
var result = util.evaluateJSONataExpression(expr,{});
result.should.eql('foo');
});
util.evaluateJSONataExpression(expr,{}, (err, result) => {
try {
result.should.eql("foo");
done()
} catch (error) {
done(error)
}
});
});
it('accesses moment from an expression', function() {
var expr = util.prepareJSONataExpression('$moment("2020-05-27", "YYYY-MM-DD").add(7, "days").add(1, "months").format("YYYY-MM-DD")',{});
var result = util.evaluateJSONataExpression(expr,{});
result.should.eql('2020-07-03');
util.evaluateJSONataExpression(expr,{}, (err, result) => {
try {
result.should.eql("2020-07-03");
done()
} catch (error) {
done(error)
}
});
});
it('accesses moment-timezone from an expression', function() {
var expr = util.prepareJSONataExpression('$moment("2013-11-18 11:55Z").tz("Asia/Taipei").format()',{});
var result = util.evaluateJSONataExpression(expr,{});
result.should.eql('2013-11-18T19:55:00+08:00');
util.evaluateJSONataExpression(expr,{}, (err, result) => {
try {
result.should.eql("2013-11-18T19:55:00+08:00");
done()
} catch (error) {
done(error)
}
});
});
it('handles non-existant flow context variable', function() {
var expr = util.prepareJSONataExpression('$flowContext("nonExistant")',{context:function() { return {flow:{get: function(key) { return {'foo':'bar'}[key]}}}}});
var result = util.evaluateJSONataExpression(expr,{payload:"hello"});
should.not.exist(result);
});
util.evaluateJSONataExpression(expr,{payload:"hello"}, (err, result) => {
try {
should.not.exist(result);
done()
} catch (error) {
done(error)
}
});
});
it('handles non-existant global context variable', function() {
var expr = util.prepareJSONataExpression('$globalContext("nonExistant")',{context:function() { return {global:{get: function(key) { return {'foo':'bar'}[key]}}}}});
var result = util.evaluateJSONataExpression(expr,{payload:"hello"});
should.not.exist(result);
util.evaluateJSONataExpression(expr,{payload:"hello"}, (err, result) => {
try {
should.not.exist(result);
done()
} catch (error) {
done(error)
}
});
});
it('handles async flow context access', function(done) {
var expr = util.prepareJSONataExpression('$flowContext("foo")',{context:function() { return {flow:{get: function(key,store,callback) { setTimeout(()=>{callback(null,{'foo':'bar'}[key])},10)}}}}});