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node-red/test/nodes/core/common/20-inject_spec.js

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2014-07-29 13:10:20 +02:00
/**
* Copyright JS Foundation and other contributors, http://js.foundation
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*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
var should = require("should");
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var injectNode = require("nr-test-utils").require("@node-red/nodes/core/common/20-inject.js");
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var Context = require("nr-test-utils").require("@node-red/runtime/lib/nodes/context");
var helper = require("node-red-node-test-helper");
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describe('inject node', function() {
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beforeEach(function(done) {
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helper.startServer(done);
});
function initContext(done) {
Context.init({
contextStorage: {
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memory0: {
module: "memory"
},
memory1: {
module: "memory"
}
}
});
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Context.load().then(function () {
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done();
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});
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}
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afterEach(function(done) {
helper.unload().then(function () {
return Context.clean({allNodes: {}});
}).then(function () {
return Context.close();
}).then(function () {
helper.stopServer(done);
});
});
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function basicTest(type, val, rval) {
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it('inject value ('+type+')', function (done) {
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var flow = [{id: "n1", type: "inject", topic: "t1", payload: val, payloadType: type, wires: [["n2"]], z: "flow"},
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{id: "n2", type: "helper"}];
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helper.load(injectNode, flow, function () {
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var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
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try {
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msg.should.have.property("topic", "t1");
if (rval) {
msg.should.have.property("payload");
should.deepEqual(msg.payload, rval);
}
else {
msg.should.have.property("payload", val);
}
done();
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} catch (err) {
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done(err);
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}
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});
n1.receive({});
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});
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});
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}
basicTest("num", 10);
basicTest("str", "10");
basicTest("bool", true);
var val_json = '{ "x":"vx", "y":"vy", "z":"vz" }';
basicTest("json", val_json, JSON.parse(val_json));
var val_buf = "[1,2,3,4,5]";
basicTest("bin", val_buf, Buffer.from(JSON.parse(val_buf)));
it('inject value of environment variable ', function (done) {
var flow = [{id: "n1", type: "inject", topic: "t1", payload: "NR_TEST", payloadType: "env", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"}];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("topic", "t1");
msg.should.have.property("payload", "foo");
done();
} catch (err) {
done(err);
}
});
process.env.NR_TEST = 'foo';
n1.receive({});
});
});
it('inject name of node as environment variable ', function (done) {
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var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "NR_NODE_NAME", payloadType: "env", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"}];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "NAME");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('inject id of node as environment variable ', function (done) {
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var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "NR_NODE_ID", payloadType: "env", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"}];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "n1");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
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it('inject path of node as environment variable ', function (done) {
var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "NR_NODE_PATH", payloadType: "env", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"}];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "flow/n1");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('inject name of flow as environment variable ', function (done) {
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var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "NR_FLOW_NAME", payloadType: "env", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"},
{id: "flow", type: "tab", label: "FLOW" },
];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "FLOW");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('inject id of flow as environment variable ', function (done) {
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var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "NR_FLOW_ID", payloadType: "env", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"},
{id: "flow", type: "tab", name: "FLOW" },
];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "flow");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('inject name of group as environment variable ', function (done) {
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var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "NR_GROUP_NAME", payloadType: "env", wires: [["n2"]], z: "flow", g: "g0"},
{id: "n2", type: "helper"},
{id: "g0", type: "group", name: "GROUP" },
];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "GROUP");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('inject id of group as environment variable ', function (done) {
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var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "NR_GROUP_ID", payloadType: "env", wires: [["n2"]], z: "flow", g: "g0"},
{id: "n2", type: "helper"},
{id: "g0", type: "group", name: "GROUP" },
];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "g0");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
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it('inject name of node as environment variable by substitution ', function (done) {
var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "${NR_NODE_NAME}", payloadType: "str", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"}];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "NAME");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('inject id of node as environment variable by substitution ', function (done) {
var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "${NR_NODE_ID}", payloadType: "str", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"}];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "n1");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('inject path of node as environment variable by substitution ', function (done) {
var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "${NR_NODE_PATH}", payloadType: "str", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"}];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "flow/n1");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('inject name of flow as environment variable by substitution ', function (done) {
var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "${NR_FLOW_NAME}", payloadType: "str", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"},
{id: "flow", type: "tab", label: "FLOW" },
];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "FLOW");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('inject id of flow as environment variable ', function (done) {
var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "${NR_FLOW_ID}", payloadType: "str", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"},
{id: "flow", type: "tab", name: "FLOW" },
];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "flow");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('inject name of group as environment variable by substitution ', function (done) {
var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "${NR_GROUP_NAME}", payloadType: "str", wires: [["n2"]], z: "flow", g: "g0"},
{id: "n2", type: "helper"},
{id: "g0", type: "group", name: "GROUP" },
];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "GROUP");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('inject id of group as environment variable by substitution ', function (done) {
var flow = [{id: "n1", type: "inject", name: "NAME", topnic: "t1", payload: "${NR_GROUP_ID}", payloadType: "str", wires: [["n2"]], z: "flow", g: "g0"},
{id: "n2", type: "helper"},
{id: "g0", type: "group", name: "GROUP" },
];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("payload", "g0");
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('sets the value of flow context property', function (done) {
var flow = [{id: "n1", type: "inject", topic: "t1", payload: "flowValue", payloadType: "flow", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"}];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("topic", "t1");
msg.should.have.property("payload", "changeMe");
done();
} catch (err) {
done(err);
}
});
n1.context().flow.set("flowValue", "changeMe");
n1.receive({});
});
});
it('sets the value of persistable flow context property', function (done) {
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var flow = [{id: "n1", type: "inject", topic: "t1", payload: "#:(memory0)::flowValue", payloadType: "flow", wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"}];
helper.load(injectNode, flow, function () {
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initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("topic", "t1");
msg.should.have.property("payload", "changeMe");
done();
} catch (err) {
done(err);
}
});
n1.context().flow.set("flowValue", "changeMe", "memory0", function (err) {
n1.receive({});
});
});
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});
});
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it('sets the value of two persistable flow context property', function (done) {
var flow = [{id: "n0", z: "flow", type: "inject", topic: "t0", payload: "#:(memory0)::val", payloadType: "flow", wires: [["n2"]]},
{id: "n1", z: "flow", type: "inject", topic: "t1", payload: "#:(memory1)::val", payloadType: "flow", wires: [["n2"]]},
{id: "n2", z: "flow", type: "helper"}];
helper.load(injectNode, flow, function () {
initContext(function () {
var n0 = helper.getNode("n0");
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var count = 0;
n2.on("input", function (msg) {
try {
msg.should.have.property("topic");
if (msg.topic === "t0") {
msg.should.have.property("payload", "foo");
}
else if (msg.topic === "t1") {
msg.should.have.property("payload", "bar");
}
else {
done(new Error("unexpected message"));
}
count++;
if (count === 2) {
done();
}
} catch (err) {
done(err);
}
});
var global = n0.context().flow;
global.set("val", "foo", "memory0", function (err) {
global.set("val", "bar", "memory1", function (err) {
n0.receive({});
n1.receive({});
});
});
});
});
});
it('sets the value of global context property', function (done) {
var flow = [{id: "n1", type: "inject", topic: "t1", payload: "globalValue", payloadType: "global", wires: [["n2"]]},
{id: "n2", type: "helper"}];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("topic", "t1");
msg.should.have.property("payload", "changeMe");
done();
} catch (err) {
done(err);
}
});
n1.context().global.set("globalValue", "changeMe");
n1.receive({});
});
});
it('sets the value of persistable global context property', function (done) {
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var flow = [{id: "n1", z: "flow", type: "inject", topic: "t1", payload: "#:(memory1)::val", payloadType: "global", wires: [["n2"]]},
{id: "n2", z: "flow", type: "helper"}];
helper.load(injectNode, flow, function () {
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initContext(function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("topic", "t1");
msg.should.have.property("payload", "foo");
done();
} catch (err) {
done(err);
}
});
var global = n1.context().global;
global.set("val", "foo", "memory1", function (err) {
n1.receive({});
});
});
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});
});
it('sets the value of two persistable global context property', function (done) {
var flow = [{id: "n0", z: "flow", type: "inject", topic: "t0", payload: "#:(memory0)::val", payloadType: "global", wires: [["n2"]]},
{id: "n1", z: "flow", type: "inject", topic: "t1", payload: "#:(memory1)::val", payloadType: "global", wires: [["n2"]]},
{id: "n2", z: "flow", type: "helper"}];
helper.load(injectNode, flow, function () {
initContext(function () {
var n0 = helper.getNode("n0");
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var count = 0;
n2.on("input", function (msg) {
try {
msg.should.have.property("topic");
if (msg.topic === "t0") {
msg.should.have.property("payload", "foo");
}
else if (msg.topic === "t1") {
msg.should.have.property("payload", "bar");
}
else {
done(new Error("unexpected message"));
}
count++;
if (count === 2) {
done();
}
} catch (err) {
done(err);
}
});
var global = n0.context().global;
global.set("val", "foo", "memory0", function (err) {
global.set("val", "bar", "memory1", function (err) {
n0.receive({});
n1.receive({});
});
});
});
});
});
it('sets the value of persistable flow & global context property', function (done) {
var flow = [{id: "n0", z: "flow", type: "inject", topic: "t0", payload: "#:(memory0)::val", payloadType: "flow", wires: [["n2"]]},
{id: "n1", z: "flow", type: "inject", topic: "t1", payload: "#:(memory1)::val", payloadType: "global", wires: [["n2"]]},
{id: "n2", z: "flow", type: "helper"}];
helper.load(injectNode, flow, function () {
initContext(function () {
var n0 = helper.getNode("n0");
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var count = 0;
n2.on("input", function (msg) {
try {
msg.should.have.property("topic");
if (msg.topic === "t0") {
msg.should.have.property("payload", "foo");
}
else if (msg.topic === "t1") {
msg.should.have.property("payload", "bar");
}
else {
done(new Error("unexpected message"));
}
count++;
if (count === 2) {
done();
}
} catch (err) {
done(err);
}
});
var context = n0.context();
var flow = context.flow;
var global = context.global;
flow.set("val", "foo", "memory0", function (err) {
global.set("val", "bar", "memory1", function (err) {
n0.receive({});
n1.receive({});
});
});
});
});
});
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it('sets the value of two persistable global context property', function (done) {
var flow = [{id: "n0", z: "flow", type: "inject", topic: "t0", payload: "#:(memory0)::val", payloadType: "global", wires: [["n2"]]},
{id: "n1", z: "flow", type: "inject", topic: "t1", payload: "#:(memory1)::val", payloadType: "global", wires: [["n2"]]},
{id: "n2", z: "flow", type: "helper"}];
helper.load(injectNode, flow, function () {
initContext(function () {
var n0 = helper.getNode("n0");
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var count = 0;
n2.on("input", function (msg) {
try {
msg.should.have.property("topic");
if (msg.topic === "t0") {
msg.should.have.property("payload", "foo");
}
else if (msg.topic === "t1") {
msg.should.have.property("payload", "bar");
}
else {
done(new Error("unexpected message"));
}
count++;
if (count === 2) {
done();
}
} catch (err) {
done(err);
}
});
var global = n0.context().global;
global.set("val", "foo", "memory0", function (err) {
global.set("val", "bar", "memory1", function (err) {
n0.receive({});
n1.receive({});
});
});
});
});
});
it('should inject once with default delay property', function(done) {
helper.load(injectNode, [{id:"n1", type:"inject", topic: "t1",
payload:"",payloadType:"date",
once: true, wires:[["n2"]] },
{id:"n2", type:"helper"}],
function() {
var n1 = helper.getNode("n1");
n1.should.have.property('onceDelay', 100);
done();
});
});
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it('should inject once with default delay', function(done) {
var timestamp = new Date();
timestamp.setSeconds(timestamp.getSeconds() + 1);
helper.load(injectNode, [{id:"n1", type:"inject", topic: "t1",
payload:"",payloadType:"date",
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once: true, wires:[["n2"]] },
{id:"n2", type:"helper"}],
function() {
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property('topic', 't1');
msg.should.have.property('payload');
should(msg.payload).be.lessThan(timestamp.getTime());
done();
} catch(err) {
done(err);
}
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});
});
});
it('should inject once with 500 msec. delay', function(done) {
helper.load(injectNode, [{id:"n1", type:"inject", topic: "t1",
payload:"",payloadType:"date",
once: true, onceDelay: 0.5, wires:[["n2"]] },
{id:"n2", type:"helper"}],
function() {
var n1 = helper.getNode("n1");
n1.should.have.property('onceDelay', 500);
done();
});
});
it('should inject once with delay of two seconds', function(done) {
this.timeout(2700); // have to wait for the inject with delay of two seconds
var timestamp = new Date();
timestamp.setSeconds(timestamp.getSeconds() + 1);
helper.load(injectNode, [{id:"n1", type:"inject", topic: "t1",
payload:"",payloadType:"date",
once: true, onceDelay: 2, wires:[["n2"]] },
{id:"n2", type:"helper"}],
function() {
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property('topic', 't1');
should(msg.payload).be.greaterThan(timestamp.getTime());
done();
});
});
});
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it('should inject repeatedly', function(done) {
helper.load(injectNode, [{id:"n1", type:"inject",
payload:"payload", topic: "t2",
repeat: 0.2, wires:[["n2"]] },
{id:"n2", type:"helper"}],
function() {
var n2 = helper.getNode("n2");
var count = 0;
n2.on("input", function(msg) {
msg.should.have.property('topic', 't2');
msg.should.have.property('payload', 'payload');
count += 1;
if (count > 2) {
helper.clearFlows().then(function() {
done();
});
}
});
});
});
it('should inject once with delay of two seconds and repeatedly', function(done) {
var timestamp = new Date();
timestamp.setSeconds(timestamp.getSeconds() + 1);
helper.load(injectNode, [{id:"n1", type:"inject", topic: "t1",
payload:"",payloadType:"date", repeat: 0.2,
once: true, onceDelay: 1.2, wires:[["n2"]] },
{id:"n2", type:"helper"}],
function() {
var n2 = helper.getNode("n2");
var count = 0;
n2.on("input", function(msg) {
msg.should.have.property('topic', 't1');
should(msg.payload).be.greaterThan(timestamp.getTime());
count += 1;
if (count > 2) {
helper.clearFlows().then(function() {
done();
});
}
});
});
});
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it('should inject with cron', function(done) {
helper.load(injectNode, [{id:"n1", type:"inject",
payloadType:"date", topic: "t3",
crontab: "* * * * * *", wires:[["n3"]] },
{id:"n3", type:"helper"}],
function() {
var n3 = helper.getNode("n3");
n3.on("input", function(msg) {
msg.should.have.property('topic', 't3');
msg.should.have.property('payload').be.a.Number();
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helper.clearFlows().then(function() {
done();
});
});
});
});
it('should inject multiple properties ', function (done) {
var flow = [{id: "n1", type: "inject", props: [{p:"topic", v:"t1", vt:"str"}, {p:"payload", v:"foo", vt:"str"}, {p:"x", v: 10, "vt":"num"}, {p:"y", v: "x+2", "vt":"jsonata"}], wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"}];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("topic", "t1");
msg.should.have.property("payload", "foo");
msg.should.have.property("x", 10);
msg.should.have.property("y", 12);
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
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it('should inject custom properties in message', function (done) {
//n1: inject node with { topic:"static", payload:"static", bool1:true, str1:"1" }
var flow = [{id: "n1", type: "inject", props: [{p:"payload", v:"static", vt:"str"}, {p:"topic", v:"static", vt:"str"}, {p:"bool1", v:"true", vt:"bool"}, {p:"str1", v:"1", vt:"str"}], wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"}];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.not.have.property("payload"); //payload removed
msg.should.have.property("topic", "t_override"); //changed value to t_override
msg.should.have.property("str1", 1);//changed type from str to num
msg.should.have.property("num1", 1);//new prop
msg.should.have.property("bool1", false);//changed value to false
done();
} catch (err) {
done(err);
}
});
n1.receive({ __user_inject_props__: [
{p:"topic", v:"t_override", vt:"str"}, //change value to t_override
{p:"str1", v:"1", vt:"num"}, //change type
{p:"num1", v:"1", vt:"num"}, //new prop
{p:"bool1", v:"false", vt:"bool"}, //change value to false
]});
});
});
it('should inject multiple properties using legacy props if needed', function (done) {
var flow = [{id: "n1", type: "inject", payload:"123", payloadType:"num", topic:"foo", props: [{p:"topic", vt:"str"}, {p:"payload"}], wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"}];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function (msg) {
try {
msg.should.have.property("topic", "foo");
msg.should.have.property("payload", 123);
done();
} catch (err) {
done(err);
}
});
n1.receive({});
});
});
it('should report invalid JSONata expression', function (done) {
var flow = [{id: "n1", type: "inject", props: [{p:"topic", v:"t1", vt:"str"}, {p:"payload", v:"@", vt:"jsonata"}], wires: [["n2"]], z: "flow"},
{id: "n2", type: "helper"}];
helper.load(injectNode, flow, function () {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
var count = 0;
n2.on("input", function (msg) {
try {
msg.should.have.property("topic", "t1");
msg.should.not.have.property("payload");
count++;
if (count == 2) {
done();
}
} catch (err) {
done(err);
}
});
n1.on("call:error", function(err) {
count++;
if (count == 1) {
done();
}
});
n1.receive({});
});
});
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describe('post', function() {
it('should inject message', function(done) {
helper.load(injectNode,
[{id:"n1", type:"inject",
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payloadType:"str", topic: "t4",payload:"hello",
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wires:[["n4"]] },
{ id:"n4", type:"helper"}], function() {
var n4 = helper.getNode("n4");
n4.on("input", function(msg) {
msg.should.have.property('topic', 't4');
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msg.should.have.property('payload', 'hello');
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helper.clearFlows().then(function() {
done();
});
});
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try {
helper.request()
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.post('/inject/n1')
.expect(200).end(function(err) {
if (err) {
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console.log(err);
return helper.clearFlows()
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.then(function () {
done(err);
});
}
});
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} catch(err) {
done(err);
}
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});
});
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it('should inject custom properties in posted message', function(done) {
var flow = [{id:"n1", type:"inject", payloadType:"str", topic: "t4",payload:"hello", wires:[["n4"]] },
{ id:"n4", type:"helper"}];
helper.load(injectNode, flow, function() {
var n4 = helper.getNode("n4");
n4.on("input", function(msg) {
msg.should.not.have.property("payload"); //payload removed
msg.should.have.property("topic", "t_override"); //changed value to t_override
msg.should.have.property("str1", "1"); //injected prop
msg.should.have.property("num1", 1); //injected prop
msg.should.have.property("bool1", true); //injected prop
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msg.should.have.property("jsonata1", "AB"); //injected prop
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helper.clearFlows().then(function() {
done();
});
});
try {
helper.request()
.post('/inject/n1')
.send({ __user_inject_props__: [
{p:"topic", v:"t_override", vt:"str"}, //change value to t_override
{p:"str1", v:"1", vt:"str"}, //new prop
{p:"num1", v:"1", vt:"num"}, //new prop
{p:"bool1", v:"true", vt:"bool"}, //new prop
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{p:"jsonata1", v:'"A" & "B"', vt:"jsonata"}, //new prop
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]})
.expect(200).end(function(err) {
if (err) {
console.log(err);
return helper.clearFlows()
.then(function () {
done(err);
});
}
});
} catch(err) {
done(err);
}
});
});
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it('should fail for invalid node', function(done) {
helper.request().post('/inject/invalid').expect(404).end(done);
});
});
});