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# frozen_string_literal: true
require 'spec_helper'
describe Ethon::Easy::Callbacks do
let!(:easy) { Ethon::Easy.new }
describe "#set_callbacks" do
before do
expect(Ethon::Curl).to receive(:set_option).exactly(3).times
end
it "sets write-, debug-, and headerfunction" do
easy.set_callbacks
end
it "resets @response_body" do
easy.set_callbacks
expect(easy.instance_variable_get(:@response_body)).to eq("")
end
it "resets @response_headers" do
easy.set_callbacks
expect(easy.instance_variable_get(:@response_headers)).to eq("")
end
it "resets @debug_info" do
easy.set_callbacks
expect(easy.instance_variable_get(:@debug_info).to_a).to eq([])
end
end
describe "#progress_callback" do
it "returns 0" do
expect(easy.progress_callback.call(0,1,1,1,1)).to be(0)
end
end
describe "#body_write_callback" do
let(:body_write_callback) { easy.instance_variable_get(:@body_write_callback) }
let(:stream) { double(:read_string => "") }
context "when body returns not :abort" do
it "returns number bigger than 0" do
expect(body_write_callback.call(stream, 1, 1, nil) > 0).to be(true)
end
end
context "when body returns :abort" do
before do
easy.on_body.clear
easy.on_body { :abort }
end
let(:body_write_callback) { easy.instance_variable_get(:@body_write_callback) }
it "returns -1 to indicate abort to libcurl" do
expect(body_write_callback.call(stream, 1, 1, nil)).to eq(-1)
end
end
end
describe "#header_write_callback" do
let(:header_write_callback) { easy.instance_variable_get(:@header_write_callback) }
let(:stream) { double(:read_string => "") }
context "when header returns not :abort" do
it "returns number bigger than 0" do
expect(header_write_callback.call(stream, 1, 1, nil) > 0).to be(true)
end
end
context "when header returns :abort" do
before do
easy.on_headers.clear
easy.on_headers { :abort }
end
let(:header_write_callback) { easy.instance_variable_get(:@header_write_callback) }
it "returns -1 to indicate abort to libcurl" do
expect(header_write_callback.call(stream, 1, 1, nil)).to eq(-1)
end
end
end
end
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