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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
ruby_version_is "2.3" do
describe "Hash#fetch_values" do
before :each do
@hash = { a: 1, b: 2, c: 3 }
end
describe "with matched keys" do
it "returns the values for keys" do
@hash.fetch_values(:a).should == [1]
@hash.fetch_values(:a, :c).should == [1, 3]
end
end
describe "with unmatched keys" do
it "raises a KeyError" do
->{ @hash.fetch_values :z }.should raise_error(KeyError)
->{ @hash.fetch_values :a, :z }.should raise_error(KeyError)
end
it "returns the default value from block" do
@hash.fetch_values(:z) { |key| "`#{key}' is not found" }.should == ["`z' is not found"]
@hash.fetch_values(:a, :z) { |key| "`#{key}' is not found" }.should == [1, "`z' is not found"]
end
end
describe "without keys" do
it "returns an empty Array" do
@hash.fetch_values.should == []
end
end
end
end
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