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mirror of https://github.com/node-red/node-red.git synced 2023-10-10 13:36:53 +02:00

Add support of subflow env var

This commit is contained in:
Hiroyasu Nishiyama 2019-01-26 23:15:20 +09:00
parent 4baaaa8d59
commit a413f3cded
13 changed files with 835 additions and 24 deletions

View File

@ -901,6 +901,7 @@
"editor-tab": {
"properties": "Properties",
"description": "Description",
"appearance": "Appearance"
"appearance": "Appearance",
"env": "Env Var"
}
}

View File

@ -901,6 +901,7 @@
"editor-tab": {
"properties": "プロパティ",
"description": "説明",
"appearance": "外観"
"appearance": "外観",
"env": "環境変数"
}
}

View File

@ -358,7 +358,10 @@ RED.nodes = (function() {
}
subflows[sf.id] = sf;
RED.nodes.registerType("subflow:"+sf.id, {
defaults:{name:{value:""}},
defaults:{
name:{value:""},
env:{value:[]}
},
icon: function() { return sf.icon||"subflow.png" },
category: sf.category || "subflows",
inputs: sf.in.length,
@ -535,6 +538,7 @@ RED.nodes = (function() {
node.category = n.category;
node.in = [];
node.out = [];
node.env = n.env;
n.in.forEach(function(p) {
var nIn = {x:p.x,y:p.y,wires:[]};
@ -1018,6 +1022,7 @@ RED.nodes = (function() {
node.name = n.name;
node.outputs = subflow.out.length;
node.inputs = subflow.in.length;
node.env = n.env;
} else {
if (!node._def) {
if (node.x && node.y) {

View File

@ -540,7 +540,113 @@ RED.editor = (function() {
return label;
}
function buildEditForm(container,formId,type,ns) {
function buildEnvForm(container, node) {
var env_container = $('#node-input-env-container');
env_container
.css('min-height','250px').css('min-width','450px')
.editableList({
addItem: function(container, i, opt) {
var row = $('<div/>').appendTo(container);
var nameField = $('<input/>', {
class: "node-input-env-name",
type: "text",
style: "margin-length: 5px; width: 32%;"
}).appendTo(row);
var valueField = $('<input/>',{
class: "node-input-env-value",
type: "text",
style: "margin-left: 5px; width: 65%;"
}).appendTo(row)
valueField.typedInput({default:'str',
types:['str','num','bool','json','bin','re','date']
});
if (opt) {
nameField.val(opt.name);
valueField.typedInput('type', opt.type);
valueField.typedInput('value', opt.value);
}
},
sortable: true,
removable: true
});
var envs = node.env;
if (envs) {
for (var i = 0; i < envs.length; i++) {
var env = envs[i];
env_container.editableList('addItem', env);
}
}
}
function convEnv(editable_list) {
if (editable_list) {
var env = [];
editable_list.each(function(i) {
var entry = $(this);
var nf = entry.find(".node-input-env-name");
var vf = entry.find(".node-input-env-value");
var name = nf.val();
var value = vf.typedInput("value");
var type = vf.typedInput("type");
var info = {
name: name,
label: "",
value: value,
type: type,
target_type: "env var",
target: name
};
var item = {
name: name,
type: type,
value: value,
info: info
};
env.push(item);
});
return env;
}
return null;
}
function isSameEnv(env0, env1) {
function isSameInfo(info0, info1) {
if (info0 && info1 &&
(info0.name === info1.name) &&
(info0.label === info1.label) &&
(info0.value === info1.value) &&
(info0.type === info1.type) &&
(info0.target_type === info1.target_type) &&
(info0.target === info1.target)) {
return true;
}
return false;
}
function inEnv(env, item) {
for(var i = 0; i < env.length; i++) {
var item1 = env[i];
if ((item1.name !== item.name) ||
(item1.type !== item.type) ||
(item1.value !== item.value) ||
!isSameInfo(item1.info, item.info)) {
return false;
}
}
return true;
}
if (env0 && env1 && (env0.length === env1.length)) {
for (var i = 0; i < env0.length; i++) {
var item0 = env0[i];
if (!inEnv(env1, item0)) {
return false;
}
}
return true;
}
return false;
}
function buildEditForm(container,formId,type,ns,node) {
var dialogForm = $('<form id="'+formId+'" class="form-horizontal" autocomplete="off"></form>').appendTo(container);
dialogForm.html($("script[data-template-name='"+type+"']").html());
ns = ns||"node-red";
@ -561,6 +667,11 @@ RED.editor = (function() {
}
$(this).attr("data-i18n",keys.join(";"));
});
if ((type === "subflow") || (type === "subflow-template")) {
buildEnvForm(dialogForm, node);
}
// Add dummy fields to prevent 'Enter' submitting the form in some
// cases, and also prevent browser auto-fill of password
// Add in reverse order as they are prepended...
@ -1268,6 +1379,16 @@ RED.editor = (function() {
}
}
if (type === "subflow") {
var old_env = editing_node.env;
var new_env = convEnv($("#node-input-env-container").editableList("items"));
if (!isSameEnv(old_env, new_env)) {
editing_node.env = new_env;
changes.env = editing_node.env;
changed = true;
}
}
if (changed) {
var wasChanged = editing_node.changed;
editing_node.changed = true;
@ -1373,7 +1494,7 @@ RED.editor = (function() {
content: $('<div>', {class:"editor-tray-content"}).appendTo(editorContent).hide(),
iconClass: "fa fa-cog"
};
buildEditForm(nodePropertiesTab.content,"dialog-form",type,ns);
buildEditForm(nodePropertiesTab.content,"dialog-form",type,ns,node);
editorTabs.addTab(nodePropertiesTab);
if (!node._def.defaults || !node._def.defaults.hasOwnProperty('info')) {
@ -1986,6 +2107,14 @@ RED.editor = (function() {
changed = true;
}
var old_env = editing_node.env;
var new_env = convEnv($("#node-input-env-container").editableList("items"));
if (!isSameEnv(old_env, new_env)) {
editing_node.env = new_env;
changes.env = editing_node.env;
changed = true;
}
RED.palette.refresh();
if (changed) {
@ -2063,7 +2192,7 @@ RED.editor = (function() {
content: $('<div>', {class:"editor-tray-content"}).appendTo(editorContent).hide(),
iconClass: "fa fa-cog"
};
buildEditForm(nodePropertiesTab.content,"dialog-form","subflow-template");
buildEditForm(nodePropertiesTab.content,"dialog-form","subflow-template", undefined, editing_node);
editorTabs.addTab(nodePropertiesTab);
var descriptionTab = {

View File

@ -17,10 +17,16 @@
RED.subflow = (function() {
var _subflowEditTemplate = '<script type="text/x-red" data-template-name="subflow"><div class="form-row"><label for="node-input-name" data-i18n="[append]editor:common.label.name"><i class="fa fa-tag"></i> </label><input type="text" id="node-input-name"></div></script>';
var _subflowEditTemplate = '<script type="text/x-red" data-template-name="subflow">'+
'<div class="form-row"><label for="node-input-name" data-i18n="[append]editor:common.label.name"><i class="fa fa-tag"></i> </label><input type="text" id="node-input-name"></div>'+
'<div class="form-row"><label data-i18n="[append]editor:editor-tab.env"><i class="fa fa-th-list"></i> </label></div>'+
'<div class="form-row node-input-env-container-row"><ol id="node-input-env-container"></ol></div>'+
'</script>';
var _subflowTemplateEditTemplate = '<script type="text/x-red" data-template-name="subflow-template">'+
'<div class="form-row"><i class="fa fa-tag"></i> <label for="subflow-input-name" data-i18n="common.label.name"></label><input type="text" id="subflow-input-name"></div>'+
'<div class="form-row"><i class="fa fa-folder-o"></i> <label for="subflow-input-category" data-i18n="editor:subflow.category"></label><select style="width: 250px;" id="subflow-input-category"></select><input style="display:none; margin-left: 10px; width:calc(100% - 250px)" type="text" id="subflow-input-custom-category"></div>'+
'<div class="form-row"><label data-i18n="[append]editor:editor-tab.env"><i class="fa fa-th-list"></i> </label></div>'+
'<div class="form-row node-input-env-container-row"><ol id="node-input-env-container"></ol></div>'+
'<div class="form-row form-tips" id="subflow-dialog-user-count"></div>'+
'</script>';

View File

@ -158,9 +158,7 @@ module.exports = function(RED) {
},
env: {
get: function(envVar) {
// For now, just return the env var. This will eventually
// also return project settings and subflow instance properties
return process.env[envVar]
return node.getenv(envVar);
}
},
setTimeout: function () {

View File

@ -94,7 +94,7 @@ module.exports = function(RED) {
this.error(RED._("change.errors.invalid-expr",{error:e.message}));
}
} else if (rule.tot === 'env') {
rule.to = RED.util.evaluateNodeProperty(rule.to,'env');
rule.to = RED.util.evaluateNodeProperty(rule.to,'env',node);
}
}

View File

@ -34,6 +34,9 @@ function Node(n) {
if (n._alias) {
this._alias = n._alias;
}
if (n.env) {
this.env = n.env;
}
if (n._flow) {
// Make this a non-enumerable property as it may cause
// circular references. Any existing code that tries to JSON serialise
@ -236,6 +239,22 @@ Node.prototype.receive = function(msg) {
}
};
Node.prototype.getenv = function(name) {
var flow = this._flow;
if (flow) {
var val = flow.getSetting(name);
return val;
}
return undefined;
};
Node.prototype.setenv = function(name, val) {
var flow = this._flow;
if (flow) {
flow.setSetting(name, val);
}
};
function log_helper(self, level, msg) {
var o = {
level: level,

View File

@ -461,6 +461,10 @@ class Flow {
}
console.log("==================")
}
getenv(name) {
return process.env[name];
}
}
/**

View File

@ -22,6 +22,35 @@ const flowUtil = require("./util");
var Log;
/**
* Convert env var definition of subflow template and instance to env var dic
* @param {Hash} env1 env var definition of template
* @param {Hash} env2 env var definition of instance
* @return {Hash} env var dic
*/
function env2Dic(env0, env1) {
var dic = {};
function add(env) {
for(var i = 0; i < env.length; i++) {
var item = env[i];
var name = item.name;
var info = Object.assign({}, item.info);
info.name = name;
dic[name] = item;
dic[name+"_type"] = { value: item.type };
dic[name+"_info"] = { value: info };
}
}
if (env0) {
add(env0);
}
if (env1) {
add(env1);
}
return dic;
}
/**
* This class represents a subflow - which is handled as a special type of Flow
*/
@ -104,12 +133,14 @@ class Subflow extends Flow {
var self = this;
// Create a subflow node to accept inbound messages and route appropriately
var Node = require("../Node");
var env = env2Dic(this.subflowDef.env, this.subflowInstance.env);
var subflowInstanceConfig = {
id: this.subflowInstance.id,
type: this.subflowInstance.type,
z: this.subflowInstance.z,
name: this.subflowInstance.name,
wires: [],
env: env,
_flow: this
}
if (this.subflowDef.in) {
@ -164,7 +195,7 @@ class Subflow extends Flow {
self.node._updateWires(subflowInstanceConfig.wires);
}
}
}
};
// Wire the subflow outputs
if (this.subflowDef.out) {
@ -172,7 +203,7 @@ class Subflow extends Flow {
for (var i=0;i<this.subflowDef.out.length;i++) {
// i: the output index
// This is what this Output is wired to
wires = this.subflowDef.out[i].wires;
var wires = this.subflowDef.out[i].wires;
for (var j=0;j<wires.length;j++) {
if (wires[j].id === this.subflowDef.id) {
// A subflow input wired straight to a subflow output
@ -192,6 +223,42 @@ class Subflow extends Flow {
super.start(diff);
}
/**
* Get environment variable of subflow
* @param {String} name name of env var
* @return {Object} val value of env var
*/
getSetting(name) {
var node = this.node;
if (node) {
var env = node.env;
if (env && env.hasOwnProperty(name)) {
return env[name].value;
}
}
var parent = this.parent;
if (parent) {
var val = parent.getSetting(name);
return val;
}
return undefined;
}
/**
* Set environment variable of subflow
* @param {String} name name of env var
* @param {Object} val value of env var
*/
setSetting(name, val) {
var node = this.node;
if (node) {
var env = node.env;
if (env) {
env[name] = { name: name, type: "str", value: val, info: null };
}
}
}
/**
* Handle a status event from a node within this flow.
* @param {Node} node The original node that triggered the event
@ -234,7 +301,6 @@ class Subflow extends Flow {
return handled;
}
}

View File

@ -413,6 +413,20 @@ function setObjectProperty(msg,prop,value,createMissing) {
}
}
/**
* Get value of environment variable.
* @param {Node} node - accessing node
* @param {String} name - name of variable
* @return {String} value of env var
*/
function getenv(node, name) {
if (node && node.getenv) {
return node.getenv(name);
}
return process.env[name];
}
/**
* Checks if a String contains any Environment Variable specifiers and returns
* it with their values substituted in place.
@ -420,24 +434,27 @@ function setObjectProperty(msg,prop,value,createMissing) {
* For example, if the env var `WHO` is set to `Joe`, the string `Hello ${WHO}!`
* will return `Hello Joe!`.
* @param {String} value - the string to parse
* @param {Node} node - the node evaluating the property
* @return {String} The parsed string
* @memberof @node-red/util_util
*/
function evaluateEnvProperty(value) {
function evaluateEnvProperty(value, node) {
if (/^\${[^}]+}$/.test(value)) {
// ${ENV_VAR}
value = value.substring(2,value.length-1);
value = process.env.hasOwnProperty(value)?process.env[value]:""
var name = value.substring(2,value.length-1);
var val = getenv(node, name);
return val ? val : "";
} else if (!/\${\S+}/.test(value)) {
// ENV_VAR
value = process.env.hasOwnProperty(value)?process.env[value]:""
var val = getenv(node, value);
return val ? val : "";
} else {
// FOO${ENV_VAR}BAR
value = value.replace(/\${([^}]+)}/g, function(match, v) {
return process.env.hasOwnProperty(v)?process.env[v]:""
return value.replace(/\${([^}]+)}/g, function(match, name) {
var val = getenv(node, name);
return (val ? val : "");
});
}
return value;
}
@ -513,7 +530,7 @@ function evaluateNodeProperty(value, type, node, msg, callback) {
var expr = prepareJSONataExpression(value,node);
result = evaluateJSONataExpression(expr,msg);
} else if (type === 'env') {
result = evaluateEnvProperty(value);
result = evaluateEnvProperty(value, node);
}
if (callback) {
callback(null,result);
@ -540,8 +557,9 @@ function prepareJSONataExpression(value,node) {
expr.assign('globalContext',function(val) {
return node.context().global.get(val);
});
expr.assign('env', function(val) {
return process.env[val];
expr.assign('env', function(name) {
var val = getenv(node, name);
return (val ? val : "");
})
expr.registerFunction('clone', cloneMessage, '<(oa)-:o>');
expr._legacyMode = /(^|[^a-zA-Z0-9_'"])msg([^a-zA-Z0-9_'"]|$)/.test(value);

View File

@ -0,0 +1,408 @@
/**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* 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");
var functionNode = require("nr-test-utils").require("@node-red/nodes/core/core/80-function.js");
var helper = require("node-red-node-test-helper");
// Notice:
// - nodes should have x, y, z property when defining subflow.
describe('subflow', function() {
before(function(done) {
helper.startServer(done);
});
after(function(done) {
helper.stopServer(done);
});
afterEach(function() {
helper.unload();
});
it('should define subflow', function(done) {
var flow = [
{id:"t1", type:"tab"},
{id:"n1", z:"t1", type:"subflow:s1", wires:[["n2"]]},
{id:"n2", z:"t1", type:"helper", wires:[]},
// Subflow
{id:"s1", type:"subflow", name:"Subflow", info:"",
in:[{wires:[ {id:"s1-n1"} ]}],
out:[{wires:[ {id:"s1-n1", port:0} ]}]},
{id:"s1-n1", z:"s1", type:"function",
func:"return msg;", wires:[]}
];
helper.load(functionNode, flow, function() {
done();
});
});
it('should pass data to/from subflow', function(done) {
var flow = [
{id:"t0", type:"tab", label:"", disabled:false, info:""},
{id:"n1", x:10, y:10, z:"t0", type:"subflow:s1", wires:[["n2"]]},
{id:"n2", x:10, y:10, z:"t0", type:"helper", wires:[]},
// Subflow
{id:"s1", type:"subflow", name:"Subflow", info:"",
in:[{
x:10, y:10,
wires:[ {id:"s1-n1"} ]
}],
out:[{
x:10, y:10,
wires:[ {id:"s1-n1", port:0} ]
}]
},
{id:"s1-n1", x:10, y:10, z:"s1", type:"function",
func:"msg.payload = msg.payload+'bar'; return msg;", wires:[]}
];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property("payload", "foobar");
done();
});
n1.receive({payload:"foo"});
});
});
it('should pass data to/from nested subflow', function(done) {
var flow = [
{id:"t0", type:"tab", label:"", disabled:false, info:""},
{id:"n1", x:10, y:10, z:"t0", type:"subflow:s1", wires:[["n2"]]},
{id:"n2", x:10, y:10, z:"t0", type:"helper", wires:[]},
// Subflow1
{id:"s1", type:"subflow", name:"Subflow1", info:"",
in:[{
x:10, y:10,
wires:[ {id:"s1-n1"} ]
}],
out:[{
x:10, y:10,
wires:[ {id:"s1-n2", port:0} ]
}]
},
{id:"s1-n1", x:10, y:10, z:"s1", type:"subflow:s2",
wires:[["s1-n2"]]},
{id:"s1-n2", x:10, y:10, z:"s1", type:"function",
func:"msg.payload = msg.payload+'baz'; return msg;", wires:[]},
// Subflow2
{id:"s2", type:"subflow", name:"Subflow2", info:"",
in:[{
x:10, y:10,
wires:[ {id:"s2-n1"} ]
}],
out:[{
x:10, y:10,
wires:[ {id:"s2-n1", port:0} ]
}]
},
{id:"s2-n1", x:10, y:10, z:"s2", type:"function",
func:"msg.payload=msg.payload+'bar'; return msg;", wires:[]}
];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property("payload", "foobarbaz");
done();
});
n1.receive({payload:"foo"});
});
});
it('should access env var of subflow template', function(done) {
var flow = [
{id:"t0", type:"tab", label:"", disabled:false, info:""},
{id:"n1", x:10, y:10, z:"t0", type:"subflow:s1", wires:[["n2"]]},
{id:"n2", x:10, y:10, z:"t0", type:"helper", wires:[]},
// Subflow
{id:"s1", type:"subflow", name:"Subflow", info:"",
env: [
{name: "K", type: "T", value: "V",
info: {
name: "K",
label: "",
value: "V",
type: "T",
target_type: "env var",
"target": "K"
}}
],
in:[{
x:10, y:10,
wires:[ {id:"s1-n1"} ]
}],
out:[{
x:10, y:10,
wires:[ {id:"s1-n1", port:0} ]
}]
},
{id:"s1-n1", x:10, y:10, z:"s1", type:"function",
func:"msg.V = env.get('K'); msg.T = env.get('K_type'); msg.I = env.get('K_info'); return msg;",
wires:[]}
];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("V", "V");
msg.should.have.property("T", "T");
msg.should.have.property("I");
done();
}
catch (e) {
console.log(e);
done(e);
}
});
n1.receive({payload:"foo"});
});
});
it('should access env var of subflow instance', function(done) {
var flow = [
{id:"t0", type:"tab", label:"", disabled:false, info:""},
{id:"n1", x:10, y:10, z:"t0", type:"subflow:s1",
env: [
{name: "K", type: "T", value: "V",
info: {
name: "K",
label: "",
value: "V",
type: "T",
target_type: "env var",
"target": "K"
}}
],
wires:[["n2"]]},
{id:"n2", x:10, y:10, z:"t0", type:"helper", wires:[]},
// Subflow
{id:"s1", type:"subflow", name:"Subflow", info:"",
in:[{
x:10, y:10,
wires:[ {id:"s1-n1"} ]
}],
out:[{
x:10, y:10,
wires:[ {id:"s1-n1", port:0} ]
}]
},
{id:"s1-n1", x:10, y:10, z:"s1", type:"function",
func:"msg.V = env.get('K'); msg.T = env.get('K_type'); msg.I = env.get('K_info'); return msg;",
wires:[]}
];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("V", "V");
msg.should.have.property("T", "T");
msg.should.have.property("I");
done();
}
catch (e) {
console.log(e);
done(e);
}
});
n1.receive({payload:"foo"});
});
});
it('should overwrite env var of subflow template by env var of subflow instance', function(done) {
var flow = [
{id:"t0", type:"tab", label:"", disabled:false, info:""},
{id:"n1", x:10, y:10, z:"t0", type:"subflow:s1",
env: [
{name: "K", type: "T", value: "V",
info: {
name: "K",
label: "",
value: "V",
type: "T",
target_type: "env var",
"target": "K"
}}
],
wires:[["n2"]]},
{id:"n2", x:10, y:10, z:"t0", type:"helper", wires:[]},
// Subflow
{id:"s1", type:"subflow", name:"Subflow", info:"",
env: [
{name: "K", type: "TT", value: "TV",
info: {
name: "K",
label: "",
value: "TV",
type: "TT",
target_type: "env var",
"target": "K"
}}
],
in:[{
x:10, y:10,
wires:[ {id:"s1-n1"} ]
}],
out:[{
x:10, y:10,
wires:[ {id:"s1-n1", port:0} ]
}]
},
{id:"s1-n1", x:10, y:10, z:"s1", type:"function",
func:"msg.V = env.get('K'); msg.T = env.get('K_type'); msg.I = env.get('K_info'); return msg;",
wires:[]}
];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
try {
msg.should.have.property("V", "V");
msg.should.have.property("T", "T");
msg.should.have.property("I");
done();
}
catch (e) {
console.log(e);
done(e);
}
});
n1.receive({payload:"foo"});
});
});
it('should access env var of parent subflow template', function(done) {
var flow = [
{id:"t0", type:"tab", label:"", disabled:false, info:""},
{id:"n1", x:10, y:10, z:"t0", type:"subflow:s1", wires:[["n2"]]},
{id:"n2", x:10, y:10, z:"t0", type:"helper", wires:[]},
// Subflow1
{id:"s1", type:"subflow", name:"Subflow1", info:"",
env: [
{name: "K", type: "T", value: "V",
info: {
name: "K",
label: "",
value: "V",
type: "T",
target_type: "env var",
"target": "K"
}}
],
in:[{
x:10, y:10,
wires:[ {id:"s1-n1"} ]
}],
out:[{
x:10, y:10,
wires:[ {id:"s1-n2", port:0} ]
}]
},
{id:"s1-n1", x:10, y:10, z:"s1", type:"subflow:s2",
wires:[["s1-n2"]]},
{id:"s1-n2", x:10, y:10, z:"s1", type:"function",
func:"return msg;", wires:[]},
// Subflow2
{id:"s2", type:"subflow", name:"Subflow2", info:"",
in:[{
x:10, y:10,
wires:[ {id:"s2-n1"} ]
}],
out:[{
x:10, y:10,
wires:[ {id:"s2-n1", port:0} ]
}]
},
{id:"s2-n1", x:10, y:10, z:"s2", type:"function",
func:"msg.V = env.get('K'); return msg;",
wires:[]}
];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property("V", "V");
done();
});
n1.receive({payload:"foo"});
});
});
it('should access env var of parent subflow instance', function(done) {
var flow = [
{id:"t0", type:"tab", label:"", disabled:false, info:""},
{id:"n1", x:10, y:10, z:"t0", type:"subflow:s1",
env: [
{name: "K", type: "T", value: "V",
info: {
name: "K",
label: "",
value: "V",
type: "T",
target_type: "env var",
"target": "K"
}}
],
wires:[["n2"]]},
{id:"n2", x:10, y:10, z:"t0", type:"helper", wires:[]},
// Subflow1
{id:"s1", type:"subflow", name:"Subflow1", info:"",
in:[{
x:10, y:10,
wires:[ {id:"s1-n1"} ]
}],
out:[{
x:10, y:10,
wires:[ {id:"s1-n2", port:0} ]
}]
},
{id:"s1-n1", x:10, y:10, z:"s1", type:"subflow:s2",
wires:[["s1-n2"]]},
{id:"s1-n2", x:10, y:10, z:"s1", type:"function",
func:"return msg;", wires:[]},
// Subflow2
{id:"s2", type:"subflow", name:"Subflow2", info:"",
in:[{
x:10, y:10,
wires:[ {id:"s2-n1"} ]
}],
out:[{
x:10, y:10,
wires:[ {id:"s2-n1", port:0} ]
}]
},
{id:"s2-n1", x:10, y:10, z:"s2", type:"function",
func:"msg.V = env.get('K'); return msg;",
wires:[]}
];
helper.load(functionNode, flow, function() {
var n1 = helper.getNode("n1");
var n2 = helper.getNode("n2");
n2.on("input", function(msg) {
msg.should.have.property("V", "V");
done();
});
n1.receive({payload:"foo"});
});
});
});

View File

@ -67,10 +67,12 @@ describe('Subflow', function() {
this.foo = n.foo;
this.handled = 0;
this.stopped = false;
this.received = null;
currentNodes[node.id] = node;
this.on('input',function(msg) {
// console.log(this.id,msg.payload);
node.handled++;
node.received = msg.payload;
node.send(msg);
});
this.on('close',function() {
@ -170,6 +172,34 @@ describe('Subflow', function() {
}
util.inherits(TestAsyncNode,Node);
var TestEnvNode = function(n) {
Node.call(this,n);
this._index = createCount++;
this.scope = n.scope;
this.foo = n.foo;
var node = this;
this.stopped = false;
this.received = null;
currentNodes[node.id] = node;
this.on('input',function(msg) {
var val = node.getenv("__KEY__");
node.received = val;
node.send({payload: val});
});
this.on('close',function() {
node.stopped = true;
stoppedNodes[node.id] = node;
delete currentNodes[node.id];
});
this.__updateWires = this.updateWires;
this.updateWires = function(newWires) {
rewiredNodes[node.id] = node;
node.newWires = newWires;
node.__updateWires(newWires);
};
}
util.inherits(TestEnvNode,Node);
before(function() {
getType = sinon.stub(typeRegistry,"get",function(type) {
if (type=="test") {
@ -178,6 +208,8 @@ describe('Subflow', function() {
return TestErrorNode;
} else if (type=="testStatus"){
return TestStatusNode;
} else if (type=="testEnv"){
return TestEnvNode;
} else {
return TestAsyncNode;
}
@ -533,4 +565,128 @@ describe('Subflow', function() {
});
describe("#env var", function() {
it("can access process env var", function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",foo:"t1.1",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"t1.3",wires:[]},
{id:"sf1",type:"subflow",name:"Subflow 2",info:"",
"in":[ {wires:[{id:"sf1-1"}]} ],
"out":[ {wires:[{id:"sf1-2",port:0}]} ]},
{id:"sf1-1",type:"test",z:"sf1",foo:"sf1.1",x:166,y:99,wires:[["sf1-2"]]},
{id:"sf1-2",type:"testEnv",z:"sf1",foo:"sf1-cn",x:166,y:99,wires:[[]]}
]);
var flow = Flow.create({
getSetting: k=> process.env[k],
handleError: (a,b,c) => { console.log(a,b,c); }
},config,config.flows["t1"]);
flow.start();
process.env["__KEY__"] = "__VAL__";
currentNodes["1"].receive({payload: "test"});
currentNodes["3"].should.have.a.property("received", "__VAL__");
flow.stop().then(function() {
done();
});
});
it("can access subflow env var", function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",foo:"t1.1",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"t1.3",wires:[]},
{id:"sf1",type:"subflow",name:"Subflow 2",info:"",
"in":[ {wires:[{id:"sf1-1"}]} ],
"out":[ {wires:[{id:"sf1-2",port:0}]} ]},
{id:"sf1-1",type:"test",z:"sf1",foo:"sf1.1",x:166,y:99,wires:[["sf1-2"]]},
{id:"sf1-2",type:"testEnv",z:"sf1",foo:"sf1.2",x:166,y:99,wires:[[]]}
]);
var flow = Flow.create({
getSetting: k=> process.env[k],
handleError: (a,b,c) => { console.log(a,b,c); }
},config,config.flows["t1"]);
flow.start();
var testenv_node = null;
for (var n in currentNodes) {
var node = currentNodes[n];
if (node.type === "testEnv") {
testenv_node = node;
break;
}
}
process.env["__KEY__"] = "__VAL0__";
testenv_node.setenv("__KEY__", "__VAL1__");
currentNodes["1"].receive({payload: "test"});
currentNodes["3"].should.have.a.property("received", "__VAL1__");
flow.stop().then(function() {
done();
});
});
it("can access nested subflow env var", function(done) {
var config = flowUtils.parseConfig([
{id:"t1",type:"tab"},
{id:"1",x:10,y:10,z:"t1",type:"test",foo:"t1.1",wires:["2"]},
{id:"2",x:10,y:10,z:"t1",type:"subflow:sf1",wires:["3"]},
{id:"3",x:10,y:10,z:"t1",type:"test",foo:"t1.3",wires:[]},
{id:"sf1",type:"subflow",name:"Subflow 1",info:"",
in:[{wires:[{id:"sf1-1"}]}],
out:[{wires:[{id:"sf1-2",port:0}]}]},
{id:"sf2",type:"subflow",name:"Subflow 2",info:"",
in:[{wires:[{id:"sf2-1"}]}],
out:[{wires:[{id:"sf2-2",port:0}]}]},
{id:"sf1-1",type:"test",z:"sf1",foo:"sf1.1",x:166,y:99,wires:[["sf1-2"]]},
{id:"sf1-2",type:"subflow:sf2",z:"sf1",x:166,y:99,wires:[[]]},
{id:"sf2-1",type:"test",z:"sf2",foo:"sf2.1",x:166,y:99,wires:[["sf2-2"]]},
{id:"sf2-2",type:"testEnv",z:"sf2",foo:"sf2.2",x:166,y:99,wires:[[]]},
]);
var flow = Flow.create({
getSetting: k=> process.env[k],
handleError: (a,b,c) => { console.log(a,b,c); }
},config,config.flows["t1"]);
flow.start();
var node_sf1_1 = null;
var node_sf2_1 = null;
var testenv_node = null;
for (var n in currentNodes) {
var node = currentNodes[n];
if (node.foo === "sf1.1") {
node_sf1_1 = node;
}
if (node.foo === "sf2.1") {
node_sf2_1 = node;
}
}
process.env["__KEY__"] = "__VAL0__";
currentNodes["1"].receive({payload: "test"});
currentNodes["3"].should.have.a.property("received", "__VAL0__");
node_sf1_1.setenv("__KEY__", "__VAL1__");
currentNodes["1"].receive({payload: "test"});
currentNodes["3"].should.have.a.property("received", "__VAL1__");
node_sf2_1.setenv("__KEY__", "__VAL2__");
currentNodes["1"].receive({payload: "test"});
currentNodes["3"].should.have.a.property("received", "__VAL2__");
flow.stop().then(function() {
done();
});
});
});
});