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RSpec.describe Pry::ControlDHandler do
context "when given eval string is non-empty" do
let(:eval_string) { 'hello' }
let(:pry_instance) { Pry.new }
it "clears input buffer" do
described_class.default(eval_string, pry_instance)
expect(eval_string).to be_empty
end
end
context "when given eval string is empty & pry instance has one binding" do
let(:eval_string) { '' }
let(:pry_instance) { Pry.new.tap { |p| p.binding_stack = [binding] } }
it "throws :breakout" do
expect { described_class.default(eval_string, pry_instance) }
.to throw_symbol(:breakout)
end
it "clears binding stack" do
expect { described_class.default(eval_string, pry_instance) }
.to throw_symbol
expect(pry_instance.binding_stack).to be_empty
end
end
context "when given eval string is empty & pry instance has 2+ bindings" do
let(:eval_string) { '' }
let(:binding1) { binding }
let(:binding2) { binding }
let(:binding_stack) { [binding1, binding2] }
let(:pry_instance) do
Pry.new.tap { |p| p.binding_stack = binding_stack }
end
it "saves a dup of the current binding stack in the 'cd' command" do
described_class.default(eval_string, pry_instance)
cd_state = pry_instance.commands['cd'].state
expect(cd_state.old_stack).to eq([binding1, binding2])
end
it "pops the binding off the stack" do
described_class.default(eval_string, pry_instance)
expect(pry_instance.binding_stack).to eq([binding1])
end
end
end
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