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pry--pry/spec/pry_history_spec.rb
Conrad Irwin 09160e7906 write to history incrementally
This makes it less essential for drivers to finalize the pry instance.
2012-12-28 16:57:30 -08:00

69 lines
1.5 KiB
Ruby

require 'helper'
require 'tempfile'
describe Pry do
before do
Pry.history.clear
@saved_history = "1\n2\n3\n"
Pry.history.loader = proc do |&blk|
@saved_history.lines.each { |l| blk.call(l) }
end
Pry.load_history
end
after do
Pry.history.clear
Pry.history.restore_default_behavior
end
describe '#push' do
it "should not record duplicated lines" do
Pry.history << '3'
Pry.history << '_ += 1'
Pry.history << '_ += 1'
Pry.history.to_a.grep('_ += 1').count.should == 1
end
it "should not record empty lines" do
c = Pry.history.to_a.count
Pry.history << ''
Pry.history.to_a.count.should == c
end
end
describe ".load_history" do
it "should read the contents of the file" do
Pry.history.to_a[-2..-1].should == %w(2 3)
end
end
describe "saving to a file" do
before do
@histfile = Tempfile.new(["pryhistory", "txt"])
@history = Pry::History.new(:file_path => @histfile.path)
Pry.config.history.should_save = true
@history.pusher = proc{ }
end
after do
@histfile.close(true)
Pry.config.history.should_save = false
end
it "should save lines to a file as they are written" do
@history.push "5"
File.read(@histfile.path).should == "5\n"
end
it "should interleave lines from many places" do
@history.push "5"
File.open(@histfile.path, 'a'){ |f| f.puts "6" }
@history.push "7"
File.read(@histfile.path).should == "5\n6\n7\n"
end
end
end