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pry--pry/spec/prompt_spec.rb
Kyrylo Silin e61354693f Add .rspec and require 'helper' from there
Just discovered this nice feature of RSpec where it can load all files for
us. Works with `bundle exec rake` and `bundle exec rspec spec/file_spec.rb`,
which covers all use cases.
2018-11-18 14:04:44 +08:00

98 lines
2.8 KiB
Ruby

describe Pry::Prompt do
describe ".[]" do
it "accesses prompts" do
expect(described_class[:default]).not_to be_nil
end
end
describe ".all" do
it "returns a hash with prompts" do
expect(described_class.all).to be_a(Hash)
end
it "returns a duplicate of original prompts" do
described_class.all['foobar'] = Object.new
expect(described_class['foobar']).to be_nil
end
end
describe ".add" do
after { described_class.instance_variable_get(:@prompts).delete('my_prompt') }
it "adds a new prompt" do
described_class.add(:my_prompt)
expect(described_class[:my_prompt]).to be_a(described_class)
end
it "raises error when separators.size != 2" do
expect { described_class.add(:my_prompt, '', [1, 2, 3]) }
.to raise_error(ArgumentError, /separators size must be 2/)
end
it "raises error on adding a prompt with the same name" do
described_class.add(:my_prompt)
expect { described_class.add(:my_prompt) }
.to raise_error(ArgumentError, /the 'my_prompt' prompt was already added/)
end
it "returns nil" do
expect(described_class.add(:my_prompt)).to be_nil
end
end
describe "#name" do
it "returns name" do
prompt = described_class.new(:test, '', Array.new(2) { proc { '' } })
expect(prompt.name).to eq(:test)
end
end
describe "#description" do
it "returns description" do
prompt = described_class.new(:test, 'descr', Array.new(2) { proc { '' } })
expect(prompt.description).to eq('descr')
end
end
describe "#prompt_procs" do
it "returns the proc array" do
prompt_procs = [proc { '>' }, proc { '*' }]
prompt = described_class.new(:test, 'descr', prompt_procs)
expect(prompt.prompt_procs).to eq(prompt_procs)
end
end
describe "#wait_proc" do
it "returns the first proc" do
prompt_procs = [proc { '>' }, proc { '*' }]
prompt = described_class.new(:test, '', prompt_procs)
expect(prompt.wait_proc).to eq(prompt_procs.first)
end
end
describe "#incomplete_proc" do
it "returns the second proc" do
prompt_procs = [proc { '>' }, proc { '*' }]
prompt = described_class.new(:test, '', prompt_procs)
expect(prompt.incomplete_proc).to eq(prompt_procs.last)
end
end
describe "prompt invocation" do
let(:pry) { Pry.new }
let(:enum) do
Enumerator.new do |y|
range = ('a'..'z').to_enum
loop { y << range.next }
end
end
it "computes prompt name dynamically" do
proc = described_class[:default].wait_proc
pry.config.prompt_name = Pry.lazy { enum.next }
expect(proc.call(Object.new, 1, pry, '>')).to eq('[1] a(#<Object>):1> ')
expect(proc.call(Object.new, 1, pry, '>')).to eq('[1] b(#<Object>):1> ')
end
end
end