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Ensure join node handles missing buffer joiner when not in string mode 

and add tests
to close #2491
This commit is contained in:
Dave Conway-Jones 2020-03-02 19:50:39 +00:00
parent 32aa4c41ce
commit 5090b01b8e
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GPG Key ID: 302A6725C594817F
3 changed files with 50 additions and 6 deletions
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4
packages/node_modules/@node-red/nodes/core/sequence/17-split.html vendored
View File

@ -14,7 +14,7 @@
limitations under the License.
-->
<script type="text/x-red" data-template-name="split">
<script type="text/html" data-template-name="split">
<div class="form-row"><span data-i18n="[html]split.intro"></span></div>
<div class="form-row"><span data-i18n="[html]split.strBuff"></span></div>
<div class="form-row">
@ -113,7 +113,7 @@
</script>
<script type="text/x-red" data-template-name="join">
<script type="text/html" data-template-name="join">
<div class="form-row">
<label data-i18n="join.mode.mode"></label>
<select id="node-input-mode" style="width:200px;">

9
packages/node_modules/@node-red/nodes/core/sequence/17-split.js vendored
View File

@ -292,7 +292,6 @@ module.exports = function(RED) {
reduceMessageGroup(node,msgs,exp,fixup,count,result,done);
}
});
}
function reduceAndSendGroup(node, group, done) {
var is_right = node.reduce_right;
@ -331,7 +330,7 @@ module.exports = function(RED) {
var pending_count = node.pending_count;
var gid = msg.parts.id;
var count;
if(!pending.hasOwnProperty(gid)) {
if (!pending.hasOwnProperty(gid)) {
if(parts.hasOwnProperty('count')) {
count = msg.parts.count;
}
@ -361,7 +360,6 @@ module.exports = function(RED) {
}
return done();
}
if (msgs.length === group.count) {
delete pending[gid];
pending_count -= msgs.length;
@ -408,7 +406,7 @@ module.exports = function(RED) {
if (this.joinerType === "str") {
this.joiner = this.joiner.replace(/\\n/g,"\n").replace(/\\r/g,"\r").replace(/\\t/g,"\t").replace(/\\e/g,"\e").replace(/\\f/g,"\f").replace(/\\0/g,"\0");
} else if (this.joinerType === "bin") {
var joinArray = JSON.parse(n.joiner)
var joinArray = JSON.parse(n.joiner || "[]");
if (Array.isArray(joinArray)) {
this.joiner = Buffer.from(joinArray);
} else {
@ -448,6 +446,9 @@ module.exports = function(RED) {
buffers.push(joinBuffer);
bufferLen += joinBuffer.length;
}
if (!Buffer.isBuffer(group.payload[i])) {
group.payload[i] = Buffer.from(group.payload[i]);
}
buffers.push(group.payload[i]);
bufferLen += group.payload[i].length;
}

43
test/nodes/core/sequence/17-split_spec.js
View File

@ -517,6 +517,49 @@ describe('JOIN node', function() {
});
});
it('should join things into an array after a count with a buffer join set', function(done) {
var flow = [{id:"n1", type:"join", wires:[["n2"]], count:3, joinerType:"bin", joiner:"" ,mode:"custom"},
{id:"n2", type:"helper"}];
helper.load(joinNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("payload");
msg.payload.should.be.an.Array();
msg.payload[0].should.equal(1);
msg.payload[1].should.equal(true);
//msg.payload[2].a.should.equal(1);
done();
}
catch(e) {done(e);}
});
n1.receive({payload:1});
n1.receive({payload:true});
n1.receive({payload:{a:1}});
});
});
it('should join strings into a buffer after a count', function(done) {
var flow = [{id:"n1", type:"join", wires:[["n2"]], count:2, build:"buffer", joinerType:"bin", joiner:"", mode:"custom"},
{id:"n2", type:"helper"}];
helper.load(joinNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("payload");
msg.payload.length.should.equal(10);
msg.payload.toString().should.equal("helloworld");
done();
}
catch(e) {done(e);}
});
n1.receive({payload:"hello"});
n1.receive({payload:"world"});
});
});
it('should join things into an object after a count', function(done) {
var flow = [{id:"n1", type:"join", wires:[["n2"]], count:5, build:"object", mode:"custom"},
{id:"n2", type:"helper"}];