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Reworked remaining docs (#1402)

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Signed-off-by: Paul Williams <pawilliams@mirantis.com>
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pauljwil authored and GitHub committed 2020-11-17 08:48:24 +02:00
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docs/extensions/testing-and-publishing/testing.md
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## Console.log
`console.log()` might be handy for extension developers to prints out info/errors from extensions. To use `console.log`, note that Lens is based on Electron. Electron has two types of processes: [Main and Renderer](https://www.electronjs.org/docs/tutorial/quick-start#main-and-renderer-processes).
Extension developers might find `console.log()` useful for printing out information and errors from extensions. To use `console.log()`, note that Lens is based on Electron, and that Electron has two types of processes: [Main and Renderer](https://www.electronjs.org/docs/tutorial/quick-start#main-and-renderer-processes).
### Renderer Process Logs
`console.log()` in Renderer process is printed in the Console in Developer Tools (View > Toggle Developer Tools).
In the Renderer process, `console.log()` is printed in the Console in Developer Tools (**View** > **Toggle Developer Tools**).
### Main Process Logs
To view the logs from the main process is a bit trickier, since you cannot open developer tools for them. On MacOSX, one way is to run Lens from the terminal.
Viewing the logs from the Main process is a little trickier, since they cannot be printed using Developer Tools.
#### macOS
On macOS, view the Main process logs by running Lens from the terminal:
```bash
/Applications/Lens.app/Contents/MacOS/Lens
```
You can alos use [Console.app](https://support.apple.com/en-gb/guide/console/welcome/mac) to view logs from Lens.
You can also use [Console.app](https://support.apple.com/en-gb/guide/console/welcome/mac) to view the Main process logs.
On linux, you can get PID of Lens first
#### Linux
On Linux, you can access the Main process logs using the Lens PID. First get the PID:
```bash
ps aux | grep Lens | grep -v grep
```
And get logs by the PID
Then get the Main process logs using the PID:
```bash
tail -f /proc/[pid]/fd/1 # stdout (console.log)