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pry--pry/spec/history_spec.rb
2013-03-18 11:20:16 +02:00

154 lines
3.9 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
Pry.history.instance_variable_set(:@original_lines, 0)
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 "#clear" do
before do
@old_file = Pry.config.history.file
@hist_file_path = File.expand_path('spec/fixtures/pry_history')
Pry.config.history.file = @hist_file_path
Pry.history.clear
Pry.history.restore_default_behavior
Pry.load_history
end
after do
Pry.config.history.file = @old_file
end
it "clears this session's history" do
Pry.history.to_a.size.should > 0
Pry.history.clear
Pry.history.to_a.size.should == 0
end
it "doesn't affect the contents of the history file" do
Pry.history.to_a.size.should == 3
Pry.history.clear
File.open(@hist_file_path, 'r') { |fh|
file = fh.to_a
file.length.should == 3
file.any? { |a| a =~ /athos/ }.should == true
}
end
end
describe "#history_line_count" do
it "counts entries in history" do
Pry.history.clear
saved_history = "olgierd\ngustlik\njanek\ngrzes\ntomek\n"
Pry.history.loader = proc do |&blk|
saved_history.lines.each { |l| blk.call(l) }
end
Pry.load_history
Pry.history.history_line_count.should == 5
end
end
describe "#restore_default_behavior" do
it "restores loader" do
Pry.history.loader = proc {}
Pry.history.restore_default_behavior
Pry.history.loader.class.should == Method
Pry.history.loader.name.to_sym.should == :read_from_file
end
it "restores saver" do
Pry.history.saver = proc {}
Pry.history.restore_default_behavior
Pry.history.saver.class.should == Method
Pry.history.saver.name.to_sym.should == :save_to_file
end
it "restores pusher" do
Pry.history.pusher = proc {}
Pry.history.restore_default_behavior
Pry.history.pusher.class.should == Method
Pry.history.pusher.name.to_sym.should == :push_to_readline
end
it "restores clearer" do
Pry.history.clearer = proc {}
Pry.history.restore_default_behavior
Pry.history.clearer.class.should == Method
Pry.history.clearer.name.to_sym.should == :clear_readline
end
end
describe "#session_line_count" do
it "returns the number of lines in history from just this session" do
Pry.history << 'you?'
Pry.history << 'you are so precious'
Pry.history.session_line_count.should == 2
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