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require 'spec_helper'
describe Shoulda::Matchers::ActiveModel::ValidationMessageFinder do
context '#allow_description' do
it 'describes its attribute' do
finder = build_finder(:attribute => :attr)
description = finder.allow_description('allowed values')
description.should == 'allow attr to be set to allowed values'
end
end
context '#expected_message_from' do
it 'returns the message as-is' do
finder = build_finder
message = finder.expected_message_from('some message')
message.should == 'some message'
end
end
context '#has_messages?' do
it 'has messages when some validations fail' do
finder = build_finder(:format => /abc/, :value => 'xyz')
result = finder.has_messages?
result.should be_true
end
it 'has no messages when all validations pass' do
finder = build_finder(:format => /abc/, :value => 'abc')
result = finder.has_messages?
result.should be_false
end
end
context '#messages' do
it 'returns errors for the given attribute' do
finder = build_finder(:format => /abc/, :value => 'xyz')
messages = finder.messages
messages.should == ['is invalid']
end
end
context '#messages_description' do
it 'describes errors for the given attribute' do
finder = build_finder(
:attribute => :attr,
:format => /abc/,
:value => 'xyz'
)
description = finder.messages_description
description.should == 'errors: ["attr is invalid (\"xyz\")"]'
end
it 'describes errors when there are none' do
finder = build_finder(:format => /abc/, :value => 'abc')
description = finder.messages_description
description.should == 'no errors'
end
end
context '#source_description' do
it 'describes the source of its messages' do
finder = build_finder
description = finder.source_description
description.should == 'errors'
end
end
def build_finder(arguments = {})
arguments[:attribute] ||= :attr
instance = build_instance_validating(
arguments[:attribute],
arguments[:format] || /abc/,
arguments[:value] || 'abc'
)
Shoulda::Matchers::ActiveModel::ValidationMessageFinder.new(
instance,
arguments[:attribute]
)
end
def build_instance_validating(attribute, format, value)
model_class = define_model(:example, attribute => :string) do
attr_accessible attribute
validates_format_of attribute, :with => format
end
model_class.new(attribute => value)
end
end
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