This generator creates a new model as a subclass of an existing model and the unit test for that model.  Lets users avoid having to manually delete the fixtures and migration or remember to pass those arguments.

[#2702 state:committed]
Signed-off-by: NMichael Koziarski <michael@koziarski.com>

Signed-off-by: NPratik Naik <pratiknaik@gmail.com>

For installing gems that are only needed in the test environment, specify the :env option so the dependency is written to config/environments/test.rb:

    gem 'rspec', :env => 'test'
    gem 'quietbacktrace', :env => %w[development test]
Signed-off-by: NPratik Naik <pratiknaik@gmail.com>

Signed-off-by: NPratik Naik <pratiknaik@gmail.com>

Signed-off-by: NDavid Heinemeier Hansson <david@loudthinking.com>

Signed-off-by: NPratik Naik <pratiknaik@gmail.com>

Signed-off-by: NPratik Naik <pratiknaik@gmail.com>

Signed-off-by: NJoshua Peek <josh@joshpeek.com>

Warn and uses singularized ModelName if a plural ModelName is given to script/generate. Override with --force-plural. [#333 state:resolved]
Signed-off-by: NPratik Naik <pratiknaik@gmail.com>