101 lines
2.6 KiB
Ruby
101 lines
2.6 KiB
Ruby
require 'helper'
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describe Pry do
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describe "output failsafe" do
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after do
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Pry.config.print = Pry::DEFAULT_PRINT
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end
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it "should catch serialization exceptions" do
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Pry.config.print = lambda { |*a| raise "catch-22" }
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lambda {
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mock_pry("1")
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}.should.not.raise
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end
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it "should display serialization exceptions" do
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Pry.config.print = lambda { |*a| raise "catch-22" }
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mock_pry("1").should =~ /\(pry\) output error: #<RuntimeError: catch-22>/
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end
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it "should catch errors serializing exceptions" do
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Pry.config.print = lambda do |*a|
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raise Exception.new("catch-22").tap{ |e| class << e; def inspect; raise e; end; end }
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end
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mock_pry("1").should =~ /\(pry\) output error: failed to show result/
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end
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end
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describe "DEFAULT_PRINT" do
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it "should output the right thing" do
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mock_pry("[1]").should =~ /^=> \[1\]/
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end
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it "should include the =>" do
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accumulator = StringIO.new
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Pry.config.print.call(accumulator, [1])
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accumulator.string.should == "=> \[1\]\n"
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end
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it "should not be phased by un-inspectable things" do
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mock_pry("class NastyClass; undef pretty_inspect; end", "NastyClass.new").should =~ /#<.*NastyClass:0x.*?>/
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end
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it "doesn't leak colour for object literals" do
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mock_pry("Object.new").should =~ /=> #<Object:0x[a-z0-9]+>\n/
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end
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end
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describe "color" do
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before do
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Pry.color = true
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end
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after do
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Pry.color = false
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end
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it "should colorize strings as though they were ruby" do
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accumulator = StringIO.new
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colorized = CodeRay.scan("[1]", :ruby).term
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Pry.config.print.call(accumulator, [1])
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accumulator.string.should == "=> #{colorized}\n"
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end
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it "should not colorize strings that already include color" do
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f = Object.new
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def f.inspect
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"\e[1;31mFoo\e[0m"
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end
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accumulator = StringIO.new
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Pry.config.print.call(accumulator, f)
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# We add an extra \e[0m to prevent color leak
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accumulator.string.should == "=> \e[1;31mFoo\e[0m\e[0m\n"
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end
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end
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describe "output suppression" do
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before do
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@t = pry_tester
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end
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it "should normally output the result" do
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mock_pry("1 + 2").should == "=> 3\n"
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end
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it "should not output anything if the input ends with a semicolon" do
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mock_pry("1 + 2;").should == ""
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end
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it "should output something if the input ends with a comment" do
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mock_pry("1 + 2 # basic addition").should == "=> 3\n"
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end
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it "should not output something if the input is only a comment" do
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mock_pry("# basic addition").should == ""
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end
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end
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end
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