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97 lines
2.4 KiB
Ruby
97 lines
2.4 KiB
Ruby
require_relative '../../spec_helper'
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require 'tempfile'
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describe "Tempfile#open" do
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before :each do
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@tempfile = Tempfile.new("specs")
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@tempfile.puts("Test!")
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end
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after :each do
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@tempfile.close!
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end
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it "reopens self" do
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@tempfile.close
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@tempfile.open
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@tempfile.closed?.should be_false
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end
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it "reopens self in read and write mode and does not truncate" do
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@tempfile.open
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@tempfile.puts("Another Test!")
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@tempfile.open
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@tempfile.readline.should == "Another Test!\n"
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end
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end
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describe "Tempfile.open" do
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after :each do
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@tempfile.close! if @tempfile
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end
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it "returns a new, open Tempfile instance" do
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@tempfile = Tempfile.open("specs")
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# Delegation messes up .should be_an_instance_of(Tempfile)
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@tempfile.instance_of?(Tempfile).should be_true
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end
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it "is passed an array [base, suffix] as first argument" do
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Tempfile.open(["specs", ".tt"]) { |tempfile| @tempfile = tempfile }
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@tempfile.path.should =~ /specs.*\.tt$/
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end
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it "passes the third argument (options) to open" do
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Tempfile.open("specs", Dir.tmpdir, encoding: "IBM037:IBM037", binmode: true) do |tempfile|
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@tempfile = tempfile
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tempfile.external_encoding.should == Encoding.find("IBM037")
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tempfile.binmode?.should be_true
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end
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end
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it "uses a blank string for basename when passed no arguments" do
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Tempfile.open() do |tempfile|
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@tempfile = tempfile
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tempfile.closed?.should be_false
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end
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@tempfile.should_not == nil
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end
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end
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describe "Tempfile.open when passed a block" do
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before :each do
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ScratchPad.clear
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end
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after :each do
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# Tempfile.open with block does not unlink
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@tempfile.close! if @tempfile
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end
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it "yields a new, open Tempfile instance to the block" do
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Tempfile.open("specs") do |tempfile|
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@tempfile = tempfile
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ScratchPad.record :yielded
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# Delegation messes up .should be_an_instance_of(Tempfile)
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tempfile.instance_of?(Tempfile).should be_true
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tempfile.closed?.should be_false
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end
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ScratchPad.recorded.should == :yielded
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end
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it "returns the value of the block" do
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value = Tempfile.open("specs") do |tempfile|
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@tempfile = tempfile
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"return"
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end
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value.should == "return"
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end
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it "closes the yielded Tempfile after the block" do
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Tempfile.open("specs") { |tempfile| @tempfile = tempfile }
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@tempfile.closed?.should be_true
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end
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end
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