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Versions: 10
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Contents
require 'spec_helper'
describe Puppet::Context do
let(:context) { Puppet::Context.new({ :testing => "value" }) }
context "with the implicit test_helper.rb pushed context" do
it "fails to lookup a value that does not exist" do
expect { context.lookup("a") }.to raise_error(Puppet::Context::UndefinedBindingError)
end
it "calls a provided block for a default value when none is found" do
expect(context.lookup("a") { "default" }).to eq("default")
end
it "behaves as if pushed a {} if you push nil" do
context.push(nil)
expect(context.lookup(:testing)).to eq("value")
context.pop
end
it "fails if you try to pop off the top of the stack" do
expect { context.pop }.to raise_error(Puppet::Context::StackUnderflow)
end
end
describe "with additional context" do
before :each do
context.push("a" => 1)
end
it "holds values for later lookup" do
expect(context.lookup("a")).to eq(1)
end
it "allows rebinding values in a nested context" do
inner = nil
context.override("a" => 2) do
inner = context.lookup("a")
end
expect(inner).to eq(2)
end
it "outer bindings are available in an overridden context" do
inner_a = nil
inner_b = nil
context.override("b" => 2) do
inner_a = context.lookup("a")
inner_b = context.lookup("b")
end
expect(inner_a).to eq(1)
expect(inner_b).to eq(2)
end
it "overridden bindings do not exist outside of the override" do
context.override("a" => 2) do
end
expect(context.lookup("a")).to eq(1)
end
it "overridden bindings do not exist outside of the override even when leaving via an error" do
begin
context.override("a" => 2) do
raise "this should still cause the bindings to leave"
end
rescue
end
expect(context.lookup("a")).to eq(1)
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems