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|
# frozen_string_literal: true
RSpec.describe Pry::Output do
let(:output) { StringIO.new }
let(:pry_instance) { Pry.new(output: output) }
subject { described_class.new(pry_instance) }
describe "#puts" do
it "returns nil" do
expect(subject.puts).to be_nil
end
context "when given an empty array" do
it "prints a newline" do
subject.puts([])
expect(output.string).to eq("\n")
end
end
context "when given multiple empty arrays" do
it "prints multiple newline" do
subject.puts([], [], [])
expect(output.string).to eq("\n\n\n")
end
end
context "when given convertible to array objects" do
let(:obj) do
Object.new.tap { |o| o.define_singleton_method(:to_ary) { [1] } }
end
let(:other_obj) do
Object.new.tap { |o| o.define_singleton_method(:to_ary) { [2] } }
end
it "prints the converted objects" do
subject.puts([obj, other_obj])
expect(output.string).to eq("1\n2\n")
end
end
context "when given non-convertible to array objects" do
let(:obj) { Object.new }
let(:other_obj) { Object.new }
it "prints the non-converted objects in its string form" do
subject.puts([obj, other_obj])
expect(output.string).to match(/\A#<Object:.+>\n#<Object:.+>\n\z/)
end
context "and when the object's #to_s has a newline" do
let(:obj) do
Object.new.tap { |o| o.define_singleton_method(:to_s) { "abc\n" } }
end
it "doesn't print a double newline" do
subject.puts(obj)
expect(output.string).to eq("abc\n")
end
end
end
context "when the given pry instance has 'color' enabled" do
let(:pry_instance) { Pry.new(output: output, color: true) }
it "doesn't decolorize output" do
subject.puts("\e[30mhi\e[0m")
expect(output.string).to eq("\e[30mhi\e[0m\n")
end
end
context "when the given pry instance has 'color' disabled" do
let(:pry_instance) { Pry.new(output: output, color: false) }
it "decolorizes output" do
subject.puts("\e[30mhi\e[0m")
expect(output.string).to eq("hi\n")
end
end
end
describe "#print" do
it "returns nil" do
expect(subject.print).to be_nil
end
context "when the given pry instance has 'color' enabled" do
let(:pry_instance) { Pry.new(output: output, color: true) }
it "doesn't decolorize output" do
subject.print("\e[30mhi\e[0m")
expect(output.string).to eq("\e[30mhi\e[0m")
end
end
context "when the given pry instance has 'color' disabled" do
let(:pry_instance) { Pry.new(output: output, color: false) }
it "decolorizes output" do
subject.print("\e[30mhi\e[0m")
expect(output.string).to eq('hi')
end
end
end
describe "#<<" do
specify { expect(subject.method(:<<)).to eq(subject.method(:print)) }
end
describe "#write" do
specify { expect(subject.method(:write)).to eq(subject.method(:print)) }
end
describe "#tty?" do
context "when the output responds to #tty? and is a TTY" do
before { expect(output).to receive(:tty?).and_return(true) }
it "returns true" do
expect(subject).to be_tty
end
end
context "when the output responds to #tty? and is not a TTY" do
before do
expect(output).to receive(:respond_to?).with(:tty?).and_return(true)
expect(output).to receive(:tty?).and_return(false)
end
it "returns false" do
expect(subject).not_to be_tty
end
end
context "when the output doesn't respond to #tty?" do
before do
expect(output).to receive(:respond_to?).with(:tty?).and_return(false)
end
it "returns false" do
expect(subject).not_to be_tty
end
end
end
describe "#method_missing" do
context "when the output responds to the given method name" do
it "forwards the method to the output" do
expect(output).to receive(:abcd)
subject.abcd
end
end
context "when the output doesn't respond to the given method name" do
it "raises NoMethodError" do
expect { subject.abcd }.to raise_error(NoMethodError)
end
end
end
describe "#respond_to_missing?" do
context "when the output responds to the given method name" do
before { output.define_singleton_method(:test_method) {} }
it "finds the method that is not defined on self" do
expect(subject).to respond_to(:test_method)
expect(subject.method(:test_method)).to be_a(Method)
end
end
context "when the output doesn't respond to the given method name" do
it "doesn't find the method" do
expect(subject).not_to respond_to(:test_method)
expect { subject.method(:test_method) }.to raise_error(NameError)
end
end
end
describe "#decolorize_maybe" do
context "when the given pry instance has 'color' enabled" do
let(:pry_instance) { Pry.new(output: output, color: true) }
it "returns the given string without modifications" do
str = "\e[30mhi\e[0m"
expect(subject.decolorize_maybe(str)).to eql(str)
end
end
context "when the given pry instance has 'color' disabled" do
let(:pry_instance) { Pry.new(output: output, color: false) }
it "returns decolorized string" do
expect(subject.decolorize_maybe("\e[30mhi\e[0m")).to eq('hi')
end
end
end
describe "#size" do
context "when the output is a tty and responds to winsize" do
before do
skip("io/console doesn't support JRuby") if Pry::Helpers::Platform.jruby?
expect(output).to receive(:tty?).and_return(true)
expect(output).to receive(:winsize).and_return([1, 1])
end
it "returns the io/console winsize" do
expect(subject.size).to eq([1, 1])
end
end
context "when the output is not a tty" do
before do
skip("io/console doesn't support JRuby") if Pry::Helpers::Platform.jruby?
expect(output).to receive(:tty?).and_return(false)
allow(Pry::Env).to receive(:[])
end
context "and ENV has size info in ROWS and COLUMNS" do
before do
expect(Pry::Env).to receive(:[]).with('ROWS').and_return(2)
expect(Pry::Env).to receive(:[]).with('COLUMNS').and_return(2)
end
it "returns the ENV variable winsize" do
expect(subject.size).to eq([2, 2])
end
end
context "and ENV has size info in LINES and COLUMNS" do
before do
expect(Pry::Env).to receive(:[]).with('LINES').and_return(3)
expect(Pry::Env).to receive(:[]).with('COLUMNS').and_return(2)
end
it "returns ENV variable winsize" do
expect(subject.size).to eq([3, 2])
end
end
end
context "when the output is not a tty and no info in ENV" do
let(:readline) { Object.new }
before do
unless Pry::Helpers::Platform.jruby?
expect(output).to receive(:tty?).and_return(false)
end
allow(Pry::Env).to receive(:[])
stub_const('Readline', readline)
end
context "when Readline's size has no zeroes" do
before do
expect(readline).to receive(:get_screen_size).and_return([1, 1])
end
it "returns the Readline winsize" do
expect(subject.size).to eq([1, 1])
end
end
context "when Readline's size has zero column" do
before do
expect(readline).to receive(:get_screen_size).and_return([1, 0])
end
it "returns the default size" do
expect(subject.size).to eq([27, 80])
end
end
end
context "when the output is not a tty, and no info in ENV and no Readline info" do
let(:readline) { Object.new }
before do
unless Pry::Helpers::Platform.jruby?
expect(output).to receive(:tty?).and_return(false)
end
allow(Pry::Env).to receive(:[])
stub_const('Readline', readline)
expect(readline).to receive(:respond_to?)
.with(:get_screen_size).and_return(false)
end
context "and when there's ANSICON ENV variable" do
context "and when it can be matched" do
context "and when the size consists of positive integers" do
before do
expect(Pry::Env).to receive(:[]).with('ANSICON').and_return('(5x5)')
end
it "returns the ansicon winsize" do
expect(subject.size).to eq([5, 5])
end
end
context "and when the size has a zero column" do
before do
expect(Pry::Env).to receive(:[]).with('ANSICON').and_return('(0x0)')
end
it "returns the default winsize" do
expect(subject.size).to eq([27, 80])
end
end
end
context "and when it cannot be matched" do
before do
expect(Pry::Env).to receive(:[]).with('ANSICON').and_return('5x5')
end
it "returns the default winsize" do
expect(subject.size).to eq([27, 80])
end
end
end
context "and when there's no ANSICON ENV variable" do
it "returns the default winsize" do
expect(subject.size).to eq([27, 80])
end
end
end
end
describe "#width" do
let(:readline) { Object.new }
before do
unless Pry::Helpers::Platform.jruby?
expect(output).to receive(:tty?).and_return(false)
end
allow(Pry::Env).to receive(:[])
stub_const('Readline', readline)
expect(readline).to receive(:respond_to?)
.with(:get_screen_size).and_return(false)
end
it "returns the number of columns" do
expect(subject.width).to eq(80)
end
end
describe "#height" do
let(:readline) { Object.new }
before do
unless Pry::Helpers::Platform.jruby?
expect(output).to receive(:tty?).and_return(false)
end
allow(Pry::Env).to receive(:[])
stub_const('Readline', readline)
expect(readline).to receive(:respond_to?)
.with(:get_screen_size).and_return(false)
end
it "returns the number of rows" do
expect(subject.height).to eq(27)
end
end
end
|
