Is there a way to run protractor tests in parallel by opening a browser instance for each test?

Question

I am facing synchronisation issues with my protractor tests and I would like to run my tests in parallel in contrast to my actual settings. In fact at the moment my tests run one after the other. I know how to this with TestsNG not sure how to do it with Jasmin Framework?

Solution 1

Since 0.19.0 version of Protractor, you can run tests in parallel using the multiCapabilities option:

protractor.conf.js

multiCapabilities: [{
  'browserName': 'chrome'
}, {
  'browserName': 'chrome'
}]

from Browser setup - Protractor docs

This issue seems to fit your case.

For now, Protractor doesn't allow to set Webdriver maxSessions option, there is a more global discussion to include this feature among others.

EDIT: multiCapabilities was introduced to run tests in parallel under different browsers, but in your case, you can use it to run multiple instances of the same ;)

Solution 2

To split tests between two browsers,

  capabilities: {
    browserName: 'chrome',
    shardTestFiles: true,
    maxInstances: 2
  },

Solution 3

multiCapabilities: [
    {
        "browserName": "chrome",        
        shardTestFiles: true,
        maxInstances: 2,
        specs: ['login.js', 'login2.js', 'login.js', 'login2.js']
    },
    {
        "browserName": "firefox",
        "count": 1
        specs: ['login2.js']
    },
],

You can use both "count" as well "maxInstances" This is what worked best for me ..

            "browserName": "chrome",        
            shardTestFiles: true,
            maxInstances: 2,
            specs: ['login.js', 'login2.js', 'login.js', 'login2.js']

this would run 4 tests divided equally(or may not equally) in two different chrome browsers.

Comments

[Ziwdigforbugs]

Thanks for you answer, my concern is not about distributing tests between different browser, at lease not yet. What I would like to do is to run tests in parallel as oppose to one after the other using the same browser in order to avoid synchronisation issue.

[glepretre]

Did you try to set the same browser in multiCapabilities? I tested it, it's working for me :)

[Ziwdigforbugs]

I have tried this now and it run two instances of firefox but it run the same test twice what I would like to do is run two different tests in parallel. Do you mind we continue this in cha?

[glepretre]

No problem to move to chat for me, but I don't know how to do it manually :/ The support sharding feature request seems to be exactly what you want to do, no?

[Ziwdigforbugs]

I don' know neither!! well now I am able to share my tests between browsers. However I am facing issues when running many tests one after one in the same browser only the first tests runs.

[Ziwdigforbugs]

No in fact the first tests run with all its subtests 'it' then the second starts and blocks after logging in. Then I get element ni visible error.

[glepretre]

let us continue this discussion in chat

[glepretre]

if this question is solved, could you accept the answer please? :)