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https://github.com/dbalatero/capybara-chromedriver-logger

Enables console.log/error/info output from Javascript feature specs running with Chromedriver
https://github.com/dbalatero/capybara-chromedriver-logger

capybara chrome chromedriver console logger logging rspec ruby testing

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Enables console.log/error/info output from Javascript feature specs running with Chromedriver

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# capybara-chromedriver-logger

This gem provides `console.log` debug output for Ruby feature specs running under Chromedriver.

We currently assume you're running:

* capybara
* chromedriver + selenium-webdriver
* rspec

to handle your JS feature specs. I'd love to expand support for other combinations of test environments!

## Installation

Add this line to your application's Gemfile:

```ruby
gem 'capybara-chromedriver-logger'
```

And then execute:

$ bundle

Or install it yourself as:

$ gem install capybara-chromedriver-logger

## Usage

You'll want to modify your `spec_helper.rb` file to configure Capybara correctly:

```ruby
Capybara.register_driver(:chrome) do |app|
# option 1:
# This wraps Selenium::WebDriver::Remote::Capabilities.chrome() with the
# correct settings for logging.
capabilities = Capybara::Chromedriver::Logger.build_capabilities(
chromeOptions: {
args: %w[headless]
}
)

Capybara::Selenium::Driver.new(
app,
browser: :chrome,
desired_capabilities: capabilities
)
end

# Use the driver we've configured
Capybara.default_driver = :chrome
Capybara.javascript_driver = :chrome

# Option 1: Setup hooks for your feature specs
Capybara::Chromedriver::Logger::TestHooks.for_rspec!

# Option 2: if you prefer to hook it in manually:
RSpec.configure do |config|
config.after :each, type: :feature do
Capybara::Chromedriver::Logger::TestHooks.after_example!
end
end
```

If you don't want to use the capability wrapper above for any reason, you can
still manually configure things:

```ruby
# option 2: manual setup
# Turn on browser logs
capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(
chromeOptions: {
args: %w[headless],
# required for Chrome 75+
w3c: false
},
# For up to Chrome 74
loggingPrefs: {
browser: 'ALL'
}
# for Chrome 75+
"goog:loggingPrefs" => {
browser: 'ALL'
}
)
```

## Configuration

Here are examples of the supported configuration options:

```ruby
# If you set this to true, any specs that generate console errors
# will automatically raise. This is similar to poltergeist's
# `js_errors: true` config option
#
# If you filter out any errors with the `filters` option, they will
# not trigger an exception in your spec examples.
#
# default: false
Capybara::Chromedriver::Logger.raise_js_errors = true

# If third-party libraries are dumping obnoxious logs into your output,
# you can filter them out here.
#
# default: []
Capybara::Chromedriver::Logger.filters = [
/Download the React DevTools/i,
/The SSL certificate used to load resources from/i
]

# If you want to filter out specific severity levels, you can do so here:
#
# default: nil
Capybara::Chromedriver::Logger.filter_levels = %i[
severe
info
warning
debug
]
```

## Development

After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).

## Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/dbalatero/capybara-chromedriver-logger.

## License

The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT).