85 lines
2.2 KiB
Ruby
85 lines
2.2 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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@file = Tempfile.new(["tmp", ".pry_history"])
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@hist = @file.path
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File.open(@hist, 'w') {|f| f << "1\n2\n3\n" }
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@old_hist = Pry.config.history.file
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Pry.config.history.file = @hist
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Pry.load_history
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end
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after do
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@file.close
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File.unlink(@hist)
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Pry.config.history.file = @old_hist
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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 === ["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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File.read(@hist).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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File.open(@hist, 'w') {|f| f << "4\n5\n6\n" }
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Pry.save_history
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File.read(@hist).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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File.read(@hist).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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File.open(@hist, 'a') {|f| f << "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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File.read(@hist).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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File.read(@hist).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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# doing this twice as libedit on 1.8.7 has bugs and sometimes ignores the
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# first line in history
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Pry.history << "4"
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Pry.save_history
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File.read(@hist).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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File.open(@hist, 'a') {|f| f << "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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File.read(@hist).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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