Continuous delivery of insights August 2017 Javier Moscard - - PowerPoint PPT Presentation

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Continuous delivery of insights August 2017 Javier Moscard - - PowerPoint PPT Presentation

Mar 15, 2024 338 likes •1.01k views

Continuous delivery of insights August 2017 Javier Moscard mosca@spoti fz .com The secret is VUCA world Team of teams The author @Javi_Mosca The right music for every moment Started in 2006 in Sweden 140M users Available in

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Continuous delivery

  • f insights

August 2017

Javier Moscardó mosca@spotifz.com

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The secret is…

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VUCA world

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Team of teams

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The author

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@Javi_Mosca

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“The right music for every moment”

Started in 2006 in Sweden

Available in 61 countries Over 30M songs Over 2 billion of playlists

140M users

60M paying subscribers $5 billion revenue paid to stakeholders

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The path

towards CD

  • f insights
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The path

towards CD

  • f insights

Team of teams

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Squad

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Explore

Search Browse

Delorean

Car integration

iOS Infra

iOS release

Catalogue

Artist Album

Alignment example

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Explore

Search Browse

Delorean

Car integration

iOS Infra

iOS release

Catalogue

Artist Album

  • k
  • k
  • k
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Tech

Tribe lead

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Communication

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TPD

Tribe leads Tribe leads

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Hands off

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R&D

Tribe leads Tribe leads

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Leading like a gardener

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The path

towards CD

  • f insights

Ways of working

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Waterfall

Discover Design Development Testing Delivery

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Agile

Design Development Testing Discover Delivery

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What are we doing?

Design Development Testing Delivery Discover

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Design

Development

Testing Delivery Discover

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Pull Request

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Con$nuous Delivery

Mobile clients

Continuous delivery

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Con$nuous Delivery

Backend services

Continuous deployment

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The path

towards CD

  • f insights

Test fjrst approach

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Design Development

Testing

Delivery Discover

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Prepare for the worst, hope for the best

Volvo Ocean Race

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Who owns quality?

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QA QA QA

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Who tests?

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Collaboration

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You understand what is important, then you test it, then, if possible, you automate it.

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Why test automation?

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Static Analysis Unit Tests

Integration Tests E2E

Manual Exploratory Testing Time cost

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When?

Pre-merge Local Post-merge

Less than 10 mins Every 2h

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Where?

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Moving slow?

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Design Development Testing

Delivery

Discover

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SLIDE 46 46 Project Title 00.00.2015 Proprietary & Confidential Spotify

Practice continuous delivery

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Thank you

Join the band!

spotify.com/jobs

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About Spotify

https:/ /press.spotify.com/se/about/

Spotify Culture

https:/ /labs.spotify.com/2014/03/27/spotify- engineering-culture-part-1/ https:/ /labs.spotify.com/2014/09/20/spotify- engineering-culture-part-2/

Git branching

http:/ /nvie.com/posts/a-successful-git-branching- model/

More Agile Testing

Learning Journeys for the Whole Team Janet Gregory and Lisa Crispin

Team of Teams

New Rules of Engagement for a Complex World General Stanley McChrystal

Build quality, key of continuous delivery

https:/ /leankit.com/blog/2016/10/build-quality-key- continuous-delivery/

Check these out…

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GUI testing

Scripted Testing vs Model Based Testing

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What have we done?

Java test API

Mobile app

Test model

Client-side test API JSON data

Model interface Model Implementation

View Implementation

Non-model based tests Test Data Service Test reporting tools

UI Layer

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Scripted testing

@User(flags = TestUserFlag.PREMIUM, tags = UserTag.PLAYLISTS) @Target(target={TestTarget.SIMULATOR, TestTarget.PHONE}) @Test(groups = {TestGroup.RADIO}, timeOut = Waiter.TIMEOUT_5MIN) public void startRadioTest() { navigation.openURI(ARTIST_URI); artist.assertLoaded(); artist.startRadio(); player.assertPlaying(); navigation.openURI(PLAYLIST_URI); playlist.assertLoaded(); playlist.startRadio(); player.assertPlaying(); navigation.openURI(ALBUM_URI); album.assertLoaded(); album.startRadio(); player.assertPlaying(); }

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Model based testing - MBT

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First MBT model

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Current MBT model

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MBT Interfaces

public interface StartRadio { public void e_Init(); public void v_InitialView(); public void e_GoToArtist(); public void v_Artist(); public void e_StartArtistRadio(); public void v_ArtistRadio(); public void e_GoToPlaylist(); public void v_Playlist(); public void e_StartPlaylistRadio(); public void v_PlaylistRadio(); public void e_GoToAlbum(); public void v_Album(); public void e_StartAlbumRadio(); public void v_AlbumRadio(); public void e_Pause(); public void v_TrackNotPlaying(); }

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Scripted vs MBT

e_Init(); v_InitialView(); e_GoToArtist(); v_Artist(); e_StartArtistRadio(); v_ArtistRadio(); e_Pause(); v_TrackNotPlaying(); v_InitialView(); e_GoToAlbum(); v_Album(); e_StartAlbumRadio(); v_AlbumRadio(); e_Pause(); v_TrackNotPlaying(); v_InitialView(); e_GoToArtist(); v_Artist(); e_StartArtistRadio(); v_ArtistRadio(); e_Pause(); v_TrackNotPlaying(); v_InitialView(); e_GoToPlaylist(); v_Playlist(); e_StartPlaylistRadio(); v_PlaylistRadio(); … baseActions.openURL(ARTIST_URI); artist.assertLoaded();
 artist.startRadio(); player.assertPlaying(); baseActions.openURL(PLAYLIST_URI); playlist.assertLoaded();
 playlist.startRadio(); player.assertPlaying(); baseActions.openURL(ALBUM_URI); album.assertLoaded();
 album.startRadio(); player.assertPlaying();

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Let’s test!

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First test scenario

Play a track from Search

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Repeat it

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Repeat it, again

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and again

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Scripted & MBT

Find what is important and automate, what can be automated

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Second test scenario

Go to “See All tracks” from Search

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Scripted & MBT

Find what is important and automate, what can be automated

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Finding the bug

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Preventing the bug

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Sources

Graphwalker

http:/ /graphwalker.github.io/

IDE

https:/ /www.jetbrains.com/idea/

Model diagramming

https:/ /www.yworks.com/products/yed