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Add basic loading tests for GPIO nodes

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This commit is contained in:
Dave Conway-Jones 2018-05-22 17:26:52 +01:00
parent b761904424
commit 7dd329b5ee
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GPG Key ID: 9E7F9C73F5168CD4
3 changed files with 105 additions and 13 deletions
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26
nodes/core/hardware/36-rpi-gpio.js
View File

@ -340,20 +340,22 @@ module.exports = function(RED) {
RED.nodes.registerType("rpi-keyboard",PiKeyboardNode);
var pitype = { type:"" };
exec(gpioCommand+" info", function(err,stdout,stderr) {
if (err) {
RED.log.info(RED._("rpi-gpio.errors.version"));
}
else {
try {
var info = JSON.parse( stdout.trim().replace(/\'/g,"\"") );
pitype.type = info["TYPE"];
if (allOK === true) {
exec(gpioCommand+" info", function(err,stdout,stderr) {
if (err) {
RED.log.info(RED._("rpi-gpio.errors.version"));
}
catch(e) {
RED.log.info(RED._("rpi-gpio.errors.sawpitype"),stdout.trim());
else {
try {
var info = JSON.parse( stdout.trim().replace(/\'/g,"\"") );
pitype.type = info["TYPE"];
}
catch(e) {
RED.log.info(RED._("rpi-gpio.errors.sawpitype"),stdout.trim());
}
}
}
});
});
}
RED.httpAdmin.get('/rpi-gpio/:id', RED.auth.needsPermission('rpi-gpio.read'), function(req,res) {
res.json(pitype);

2
nodes/core/locales/en-US/messages.json
View File

@ -786,7 +786,7 @@
"na": "N/A : __value__"
},
"errors": {
"ignorenode": "Ignoring Raspberry Pi specific node",
"ignorenode": "Raspberry Pi specific node set inactive",
"version": "Failed to get version from Pi",
"sawpitype": "Saw Pi Type",
"libnotfound": "Cannot find Pi RPi.GPIO python library",

90
test/nodes/core/hardware/36-rpi-gpio_spec.js Normal file
View File

@ -0,0 +1,90 @@
/**
* 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 rpi = require("../../../../nodes/core/hardware/36-rpi-gpio.js");
var helper = require("node-red-node-test-helper");
var fs = require("fs");
describe('RPI GPIO Node', function() {
before(function(done) {
helper.startServer(done);
});
after(function(done) {
helper.stopServer(done);
});
afterEach(function() {
helper.unload();
});
var checkIgnore = function(done) {
setTimeout(function() {
try {
var logEvents = helper.log().args.filter(function(evt) {
return ((evt[0].level == 30) && (evt[0].msg.indexOf("rpi-gpio")===0));
});
logEvents.should.have.length(1);
logEvents[0][0].should.have.a.property('msg');
logEvents[0][0].msg.toString().should.startWith("rpi-gpio : rpi-gpio.errors.ignorenode");
done();
} catch(err) {
done(err);
}
},25);
}
it('should load Input node', function(done) {
var flow = [{id:"n1", type:"rpi-gpio in", name:"rpi-gpio in" }];
helper.load(rpi, flow, function() {
var n1 = helper.getNode("n1");
n1.should.have.property('name', 'rpi-gpio in');
try {
var cpuinfo = fs.readFileSync("/proc/cpuinfo").toString();
if (cpuinfo.indexOf(": BCM") === 1) {
done(); // It's ON a PI ... should really do more tests !
} else {
checkIgnore(done);
}
}
catch(e) {
checkIgnore(done);
}
});
});
it('should load Output node', function(done) {
var flow = [{id:"n1", type:"rpi-gpio out", name:"rpi-gpio out" }];
helper.load(rpi, flow, function() {
var n1 = helper.getNode("n1");
n1.should.have.property('name', 'rpi-gpio out');
try {
var cpuinfo = fs.readFileSync("/proc/cpuinfo").toString();
if (cpuinfo.indexOf(": BCM") === 1) {
done(); // It's ON a PI ... should really do more tests !
} else {
checkIgnore(done);
}
}
catch(e) {
checkIgnore(done);
}
});
});
});