BTW, those errors when you tried to debug with puts are because
Haml::Buffer includes Haml::Helpers which defines a puts that works in
the template. Calling it inside Haml::Buffer causes an error. If you
want to "debug by printf" in Haml::Buffer, use "$stdout << 'debugging
stuff'" instead of puts.
It seems like the helpers that the Buffer needs to call and that the
template can call should be separate to prevent this sort of
confusion.
On Jun 7, 5:44 am, "Russell Norris" <[EMAIL PROTECTED]> wrote:
> This is happening all over my code. I tried a few puts but inspecting the
> attributes or attributes_hash [which I suspect is the problem] raises an
> error about undefined method 'buffer' for "":String. :/ Here's the backtrace
> without the puts...
>
> ActionView::TemplateError: undefined method `merge!' for "":String
> On line #2 of app/views/categories/_form.haml
>
> 1: %p
> 2: %label{:for => :category_title} Title
> 3: = f.text_field :title, :size => 50, :class => :text
> 4: %p
> 5: %label{:for => :category_misc} Description <em>(optional)</em>
>
> app/views/categories/_form.haml:2
> vendor/plugins/haml/lib/haml/buffer.rb:121:in `merge_attrs'
> vendor/plugins/haml/lib/haml/buffer.rb:92:in `open_tag'
> (eval):12:in `_render_haml_2'
> vendor/plugins/haml/lib/haml/engine.rb:434:in `send'
> vendor/plugins/haml/lib/haml/engine.rb:434:in `compile'
> vendor/plugins/haml/lib/haml/engine.rb:186:in `to_html'
> vendor/plugins/haml/lib/haml/template.rb:69:in `render'
> vendor/rails/actionpack/lib/action_view/base.rb:502:in `delegate_render'
> vendor/rails/actionpack/lib/action_view/base.rb:324:in
> `render_template_old'
> vendor/plugins/haml/lib/haml/template.rb:96:in `render_template'
> vendor/rails/actionpack/lib/action_view/base.rb:286:in `render_file'
> vendor/rails/actionpack/lib/action_view/base.rb:301:in
> `render_without_haml'
> vendor/plugins/haml/lib/haml/helpers/action_view_mods.rb:17:in `render'
> vendor/rails/actionpack/lib/action_view/partials.rb:62:in
> `render_partial'
> vendor/rails/actionpack/lib/action_controller/benchmarking.rb:26:in
> `benchmark'
> /usr/lib/ruby/1.8/benchmark.rb:293:in `measure'
> /usr/lib/ruby/1.8/benchmark.rb:307:in `realtime'
> vendor/rails/actionpack/lib/action_controller/benchmarking.rb:26:in
> `benchmark'
> vendor/rails/actionpack/lib/action_view/partials.rb:61:in
> `render_partial'
> vendor/rails/actionpack/lib/action_view/base.rb:312:in
> `render_without_haml'
> vendor/plugins/haml/lib/haml/helpers/action_view_mods.rb:17:in `render'
> (eval):12:in `_render_haml_1'
> vendor/plugins/haml/lib/haml/helpers/action_view_mods.rb:82:in `call'
> vendor/plugins/haml/lib/haml/helpers/action_view_mods.rb:82:in
> `form_for'
> vendor/plugins/haml/lib/haml/helpers.rb:284:in `call'
> vendor/plugins/haml/lib/haml/helpers.rb:284:in `bind_proc'
> vendor/rails/actionpack/lib/action_view/helpers/form_helper.rb:220:in
> `fields_for'
> vendor/rails/actionpack/lib/action_view/helpers/form_helper.rb:180:in
> `form_for_without_haml'
> vendor/plugins/haml/lib/haml/helpers/action_view_mods.rb:86:in
> `form_for'
> (eval):10:in `_render_haml_1'
> vendor/plugins/haml/lib/haml/engine.rb:434:in `send'
> vendor/plugins/haml/lib/haml/engine.rb:434:in `compile'
> vendor/plugins/haml/lib/haml/engine.rb:186:in `to_html'
> vendor/plugins/haml/lib/haml/template.rb:69:in `render'
> vendor/rails/actionpack/lib/action_view/base.rb:502:in `delegate_render'
> vendor/rails/actionpack/lib/action_view/base.rb:324:in
> `render_template_old'
> vendor/plugins/haml/lib/haml/template.rb:96:in `render_template'
> vendor/rails/actionpack/lib/action_view/base.rb:286:in `render_file'
> vendor/rails/actionpack/lib/action_controller/base.rb:875:in
> `render_file'
> vendor/rails/actionpack/lib/action_controller/base.rb:810:in
> `render_with_no_layout'
> vendor/rails/actionpack/lib/action_controller/layout.rb:246:in
> `render_without_benchmark'
> vendor/rails/actionpack/lib/action_controller/benchmarking.rb:51:in
> `render_without_query_stats'
> /usr/lib/ruby/1.8/benchmark.rb:293:in `measure'
> vendor/rails/actionpack/lib/action_controller/benchmarking.rb:51:in
> `render_without_query_stats'
> vendor/plugins/query_stats/lib/query_stats/labeler.rb:19:in `render'
> app/controllers/oyster_controller.rb:113:in `render_common_form'
> app/controllers/categories_controller.rb:12:in `new'
> vendor/rails/actionpack/lib/action_controller/base.rb:1132:in `send'
> vendor/rails/actionpack/lib/action_controller/base.rb:1132:in
> `perform_action_without_filters'
> vendor/rails/actionpack/lib/action_controller/filters.rb:713:in
> `call_filters'
> vendor/rails/actionpack/lib/action_controller/filters.rb:752:in
> `perform_action_without_benchmark'
> vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in
> `perform_action_without_rescue'
> /usr/lib/ruby/1.8/benchmark.rb:293:in `measure'
> vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in
> `perform_action_without_rescue'
> vendor/rails/actionpack/lib/action_controller/rescue.rb:133:in
> `perform_action_without_caching'
> vendor/rails/actionpack/lib/action_controller/caching.rb:661:in
> `perform_action'
> vendor/rails/activerecord/lib/active_record/query_cache.rb:99:in `cache'
> vendor/rails/actionpack/lib/action_controller/caching.rb:660:in
> `perform_action'
> vendor/rails/actionpack/lib/action_controller/base.rb:494:in `send'
> vendor/rails/actionpack/lib/action_controller/base.rb:494:in
> `process_without_filters'
> vendor/rails/actionpack/lib/action_controller/filters.rb:747:in
> `process_without_session_management_support'
>
> vendor/rails/actionpack/lib/action_controller/session_management.rb:122:in
> `sass_old_process'
> vendor/plugins/haml/lib/sass/plugin.rb:124:in `process_without_test'
> vendor/rails/actionpack/lib/action_controller/test_process.rb:15:in
> `process'
> vendor/rails/actionpack/lib/action_controller/test_process.rb:394:in
> `process'
> vendor/rails/actionpack/lib/action_controller/test_process.rb:365:in
> `get'
> test/functional/categories_controller_test.rb:43:in `test_new'
> test/test_helper.rb:43:in `active_users'
> test/test_helper.rb:42:in `each'
> test/test_helper.rb:42:in `active_users'
> test/functional/categories_controller_test.rb:41:in `test_new'
> /usr/lib/ruby/1.8/test/unit/testcase.rb:78:in `__send__'
> /usr/lib/ruby/1.8/test/unit/testcase.rb:78:in `run'
> /usr/lib/ruby/1.8/test/unit/testsuite.rb:34:in `run'
> /usr/lib/ruby/1.8/test/unit/testsuite.rb:33:in `each'
> /usr/lib/ruby/1.8/test/unit/testsuite.rb:33:in `run'
> /usr/lib/ruby/1.8/test/unit/testsuite.rb:34:in `run'
> /usr/lib/ruby/1.8/test/unit/testsuite.rb:33:in `each'
> /usr/lib/ruby/1.8/test/unit/testsuite.rb:33:in `run'
> /usr/lib/ruby/1.8/test/unit/ui/testrunnermediator.rb:46:in `run_suite'
> /usr/lib/ruby/1.8/test/unit/ui/console/testrunner.rb:67:in
> `start_mediator'
> /usr/lib/ruby/1.8/test/unit/ui/console/testrunner.rb:41:in `start'
> /usr/lib/ruby/1.8/test/unit/ui/testrunnerutilities.rb:29:in `run'
> /usr/lib/ruby/1.8/test/unit/autorunner.rb:200:in `run'
> /usr/lib/ruby/1.8/test/unit/autorunner.rb:13:in `run'
> /usr/lib/ruby/1.8/test/unit.rb:278
> test/functional/categories_controller_test.rb:94
>
> RSL
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