43 lines
1.0 KiB
Ruby
43 lines
1.0 KiB
Ruby
require_relative '../../spec_helper'
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describe "ENV.rassoc" do
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before :each do
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@foo = ENV["foo"]
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@baz = ENV["baz"]
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end
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after :each do
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ENV["foo"] = @foo
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ENV["baz"] = @baz
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end
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it "returns an array of the key and value of the environment variable with the given value" do
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ENV["foo"] = "bar"
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ENV.rassoc("bar").should == ["foo", "bar"]
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end
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it "returns a single array even if there are multiple such environment variables" do
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ENV["foo"] = "bar"
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ENV["baz"] = "bar"
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[
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["foo", "bar"],
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["baz", "bar"],
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].should include(ENV.rassoc("bar"))
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end
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it "returns nil if no environment variable with the given value exists" do
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ENV.rassoc("bar").should == nil
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end
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it "returns the value element coerced with #to_str" do
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ENV["foo"] = "bar"
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v = mock('value')
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v.should_receive(:to_str).and_return("bar")
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ENV.rassoc(v).should == ["foo", "bar"]
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end
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it "returns nil if the argument is not a String and does not respond to #to_str" do
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ENV.rassoc(Object.new).should == nil
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end
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end
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