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require 'spec_helper'
require 'mspec/expectations/expectations'
require 'mspec/matchers'
describe BeKindOfMatcher do
it "matches when actual is a kind_of? expected" do
BeKindOfMatcher.new(Integer).matches?(1).should == true
BeKindOfMatcher.new(Fixnum).matches?(2).should == true
BeKindOfMatcher.new(Regexp).matches?(/m/).should == true
end
it "does not match when actual is not a kind_of? expected" do
BeKindOfMatcher.new(Integer).matches?(1.5).should == false
BeKindOfMatcher.new(String).matches?(:a).should == false
BeKindOfMatcher.new(Hash).matches?([]).should == false
end
it "provides a useful failure message" do
matcher = BeKindOfMatcher.new(Numeric)
matcher.matches?('string')
matcher.failure_message.should == [
"Expected \"string\" (String)", "to be kind of Numeric"]
end
it "provides a useful negative failure message" do
matcher = BeKindOfMatcher.new(Numeric)
matcher.matches?(4.0)
matcher.negative_failure_message.should == [
"Expected 4.0 (Float)", "not to be kind of Numeric"]
end
end
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