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require 'spec_helper'
require 'mspec/expectations/expectations'
require 'mspec/matchers'
class IVarModMock
def self.class_variables
[:@foo]
end
end
describe HaveClassVariableMatcher, "on RUBY_VERSION >= 1.9" do
it "matches when mod has the class variable, given as string" do
matcher = HaveClassVariableMatcher.new('@foo')
matcher.matches?(IVarModMock).should be_true
end
it "matches when mod has the class variable, given as symbol" do
matcher = HaveClassVariableMatcher.new(:@foo)
matcher.matches?(IVarModMock).should be_true
end
it "does not match when mod hasn't got the class variable, given as string" do
matcher = HaveClassVariableMatcher.new('@bar')
matcher.matches?(IVarModMock).should be_false
end
it "does not match when mod hasn't got the class variable, given as symbol" do
matcher = HaveClassVariableMatcher.new(:@bar)
matcher.matches?(IVarModMock).should be_false
end
it "provides a failure message for #should" do
matcher = HaveClassVariableMatcher.new(:@bar)
matcher.matches?(IVarModMock)
matcher.failure_message.should == [
"Expected IVarModMock to have class variable '@bar'",
"but it does not"
]
end
it "provides a failure messoge for #should_not" do
matcher = HaveClassVariableMatcher.new(:@bar)
matcher.matches?(IVarModMock)
matcher.negative_failure_message.should == [
"Expected IVarModMock NOT to have class variable '@bar'",
"but it does"
]
end
end
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