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require 'spec_helper'
describe Typhoeus::Pool do
let(:easy) { Ethon::Easy.new }
after { Typhoeus::Pool.clear }
describe "#easies" do
it "returns array" do
expect(Typhoeus::Pool.send(:easies)).to be_a(Array)
end
end
describe "#release" do
it "resets easy" do
expect(easy).to receive(:reset)
Typhoeus::Pool.release(easy)
end
it "flush cookies to disk" do
expect(easy).to receive(:cookielist=).with('flush')
expect(easy).to receive(:reset)
expect(easy).to receive(:cookielist=).with('all')
Typhoeus::Pool.release(easy)
end
it "writes cookies to disk" do
tempfile1 = Tempfile.new('cookies')
tempfile2 = Tempfile.new('cookies')
easy.cookiejar = tempfile1.path
easy.url = "localhost:3001/cookies-test"
easy.perform
Typhoeus::Pool.release(easy)
expect(File.zero?(tempfile1.path)).to be(false)
expect(File.read(tempfile1.path)).to match(/\s+foo\s+bar$/)
expect(File.read(tempfile1.path)).to match(/\s+bar\s+foo$/)
# do it again - and check if tempfile1 wasn't change
easy.cookiejar = tempfile2.path
easy.url = "localhost:3001/cookies-test2"
easy.perform
Typhoeus::Pool.release(easy)
# tempfile 1
expect(File.zero?(tempfile1.path)).to be(false)
expect(File.read(tempfile1.path)).to match(/\s+foo\s+bar$/)
expect(File.read(tempfile1.path)).to match(/\s+bar\s+foo$/)
# tempfile2
expect(File.zero?(tempfile2.path)).to be(false)
expect(File.read(tempfile2.path)).to match(/\s+foo2\s+bar$/)
expect(File.read(tempfile2.path)).to match(/\s+bar2\s+foo$/)
end
it "puts easy back into pool" do
Typhoeus::Pool.release(easy)
expect(Typhoeus::Pool.send(:easies)).to include(easy)
end
context "when threaded access" do
it "releases correct number of easies" do
(0..9).map do |n|
Thread.new do
Typhoeus::Pool.release(Ethon::Easy.new)
end
end.map(&:join)
expect(Typhoeus::Pool.send(:easies).size).to eq(10)
end
end
end
describe "#get" do
context "when easy in pool" do
before { Typhoeus::Pool.send(:easies) << easy }
it "takes" do
expect(Typhoeus::Pool.get).to eq(easy)
end
end
context "when no easy in pool" do
it "creates" do
expect(Typhoeus::Pool.get).to be_a(Ethon::Easy)
end
context "when threaded access" do
it "creates correct number of easies" do
queue = Queue.new
(0..9).map do |n|
Thread.new do
queue.enq(Typhoeus::Pool.get)
end
end.map(&:join)
array = Array.new(queue.size) { queue.pop }
expect(array.uniq.size).to eq(10)
end
end
end
context "when forked" do
before do
allow(Process).to receive(:pid).and_return(1)
Typhoeus::Pool.send(:easies) << easy
allow(Process).to receive(:pid).and_return(2)
end
after do
allow(Process).to receive(:pid).and_call_original
Typhoeus::Pool.instance_variable_set(:@pid, Process.pid)
end
it "creates" do
expect(Typhoeus::Pool.get).to_not eq(easy)
end
end
end
describe "#with" do
it "is re-entrant" do
array = []
Typhoeus::Pool.with_easy do |e1|
array << e1
Typhoeus::Pool.with_easy do |e2|
array << e2
Typhoeus::Pool.with_easy do |e3|
array << e3
end
end
end
expect(array.uniq.size).to eq(3)
end
end
end
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