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yax-fauna

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Ruby driver for FaunaDB.
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 Project Readme

FaunaDB

Coverage Status Gem Version License

Ruby driver for FaunaDB forked from

Renamed as yax-fauna.

Installation

The FaunaDB ruby driver is distributed as a gem. Install it via:

$ gem install yax-fauna

Or if you use Bundler, add it to your application's Gemfile:

gem 'yax-fauna'

And then execute:

$ bundle

Documentation

The driver documentation is hosted on GitHub Pages.

Please see the FaunaDB Documentation for a complete API reference, or look in /test for more examples.

Compatibility

Tested and compatible with the following ruby versions:

  • MRI 1.9.3
  • MRI 2.2.3
  • Jruby 1.7.19

Basic Usage

First, require the gem:

require 'fauna'

Creating a Client

All API requests pass through a Fauna::Client. Creating a client requires either an admin key, server key, client key, or a token.

server_key = 'ls8AkXLdakAAAALPAJFy3LvQAAGwDRAS_Prjy6O8VQBfQAlZzwAA'

Now we can make a database-level client:

$fauna = Fauna::Client.new(secret: server_key)

You can optionally configure an observer on the client. To ease debugging, we provide a simple logging observer at Fauna::ClientLogger.logger, which you can configure as such:

require 'logger'
logger = Logger.new(STDERR)
observer = Fauna::ClientLogger.logger { |log| logger.debug(log) }

$fauna = Fauna::Client.new(
  secret: server_key,
  observer: observer)

Using the Client

Now that we have a client, we can start performing queries:

# Create a class
$fauna.query { create ref('classes'), name: 'users' }

# Create an instance of the class
taran = $fauna.query do
  create ref('classes/users'), data: { email: 'taran@example.com' }
end

# Update the instance
taran = $fauna.query do
  update taran[:ref], data: {
    name: 'Taran',
    profession: 'Pigkeeper'
  }
end

# Page through a set
pigkeepers = Fauna::Query.expr { match(ref('indexes/users_by_profession'), 'Pigkeeper') }
oracles = Fauna::Query.expr { match(ref('indexes/users_by_profession'), 'Oracle') }

$fauna.query { paginate(union(pigkeepers, oracles)) }

# Delete the user
$fauna.query { delete taran[:ref] }

Running Tests

You can run tests against FaunaDB Cloud yourself. Create an admin key and set FAUNA_ROOT_KEY environment variable to it's secret. Then run rake spec:

export FAUNA_ROOT_KEY='kqnPAbijGhkgAAC03-36hjCvcTnWf4Pl8w97UE1HeWo'
rake spec

To run a single test, use e.g. ruby test/client_test.rb.

Coverage is automatically run as part of the tests. After running tests, check coverage/index.html for the coverage report. If using jruby, use JRUBY_OPTS="--debug" bundle exec rake spec to ensure coverage is generated correctly.

Tests can also be run via a Docker container with FAUNA_ROOT_KEY="your-cloud-secret" make docker-test (an alternate Alpine-based Ruby image can be provided via RUNTIME_IMAGE).

Contributing

GitHub pull requests are very welcome.

LICENSE

Copyright 2017 Fauna, Inc.

Licensed under the Mozilla Public License, Version 2.0 (the "License"); you may not use this software except in compliance with the License. You may obtain a copy of the License at

http://mozilla.org/MPL/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.