100 lines
2.4 KiB
Ruby
100 lines
2.4 KiB
Ruby
require 'helper'
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require 'tempfile'
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describe Pry do
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before do
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Pry.history.clear
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@saved_history = "1\n2\n3\n"
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Pry.history.loader = proc do |&blk|
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@saved_history.lines.each { |l| blk.call(l) }
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end
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Pry.history.saver = proc do |lines|
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@saved_history << lines.map { |l| "#{l}\n" }.join
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end
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Pry.load_history
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end
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after do
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Pry.history.clear
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Pry.history.restore_default_behavior
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end
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describe '#push' do
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it "should not record duplicated lines" do
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Pry.history << '3'
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Pry.history << '_ += 1'
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Pry.history << '_ += 1'
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Pry.history.to_a.grep('_ += 1').count.should == 1
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end
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it "should not record empty lines" do
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c = Pry.history.to_a.count
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Pry.history << ''
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Pry.history.to_a.count.should == c
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end
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end
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describe ".load_history" do
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it "should read the contents of the file" do
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Pry.history.to_a[-2..-1].should == %w(2 3)
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end
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end
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describe ".save_history" do
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it "should include a trailing newline" do
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Pry.history << "4"
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Pry.save_history
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@saved_history.should =~ /4\n\z/
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end
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it "should not change anything if history is not changed" do
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@saved_history = "4\n5\n6\n"
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Pry.save_history
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@saved_history.should == "4\n5\n6\n"
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end
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it "should append new lines to the file" do
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Pry.history << "4"
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Pry.save_history
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@saved_history.should == "1\n2\n3\n4\n"
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end
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it "should not clobber lines written by other Pry's in the meantime" do
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Pry.history << "5"
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@saved_history << "4\n"
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Pry.save_history
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Pry.history.to_a[-3..-1].should == ["2", "3", "5"]
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@saved_history.should == "1\n2\n3\n4\n5\n"
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end
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it "should not delete lines from the file if this session's history was cleared" do
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Pry.history.clear
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Pry.save_history
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@saved_history.should == "1\n2\n3\n"
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end
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it "should save new lines that are added after the history was cleared" do
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Pry.history.clear
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Pry.history << "4"
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Pry.save_history
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@saved_history.should =~ /1\n2\n3\n4\n/
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end
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it "should only append new lines the second time it is saved" do
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Pry.history << "4"
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Pry.save_history
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@saved_history << "5\n"
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Pry.history << "6"
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Pry.save_history
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Pry.history.to_a[-4..-1].should == ["2", "3", "4", "6"]
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@saved_history.should == "1\n2\n3\n4\n5\n6\n"
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end
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end
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end
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