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Contents
# frozen_string_literal: true
module Matchers
module Type
def have_nullable_date(attribute, valid_value, invalid_value)
HaveNullableDateMatcher.new(attribute, valid_value, invalid_value)
end
class HaveNullableDateMatcher < HaveNullableMatcher
def initialize(attribute, valid_value, invalid_value)
@attribute = attribute
@valid_value = valid_value
@invalid_value = invalid_value
@expected_error = ArgumentError
@expected_error_message = 'invalid date'
@failure_description = ''
end
def matches?(klass)
@klass = klass
accepts_nil? && accepts_valid_value? && rejects_invalid_value?
end
def description
"have nullable attribute #{@attribute.inspect}"
end
def failure_message
"Expected class to have nullable attribute #{@attribute.inspect}" << @failure_description
end
private
def accepts_nil?
@klass.new(@attribute => nil)
end
def accepts_valid_value?
model = @klass.new(@attribute => @valid_value)
model.send(@attribute) == @valid_value
end
def rejects_invalid_value?
@klass.new(@attribute => @invalid_value)
@failure_description << " (Expected #{@expected_error}, but got none)"
false
rescue @expected_error => error
return true if error.message == @expected_error_message
fail_message = "Expected error message to include #{expected_message.inspect}, "\
"but was #{error.message.inspect}"
raise(fail_message)
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems