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require "spec_helper"
describe SafeYAML::LibyamlChecker do
describe "check_libyaml_version" do
REAL_YAML_ENGINE = SafeYAML::YAML_ENGINE
REAL_LIBYAML_VERSION = SafeYAML::LibyamlChecker::LIBYAML_VERSION
let(:libyaml_patched) { false }
before :each do
allow(SafeYAML::LibyamlChecker).to receive(:libyaml_patched?).and_return(libyaml_patched)
end
after :each do
silence_warnings do
SafeYAML::YAML_ENGINE = REAL_YAML_ENGINE
SafeYAML::LibyamlChecker::LIBYAML_VERSION = REAL_LIBYAML_VERSION
end
end
def test_libyaml_version_ok(expected_result, yaml_engine, libyaml_version=nil)
silence_warnings do
SafeYAML.const_set("YAML_ENGINE", yaml_engine)
SafeYAML::LibyamlChecker.const_set("LIBYAML_VERSION", libyaml_version)
expect(SafeYAML::LibyamlChecker.libyaml_version_ok?).to eq(expected_result)
end
end
unless defined?(JRUBY_VERSION)
it "issues no warnings when 'Syck' is the YAML engine" do
test_libyaml_version_ok(true, "syck")
end
it "issues a warning if Psych::LIBYAML_VERSION is not defined" do
test_libyaml_version_ok(false, "psych")
end
it "issues a warning if Psych::LIBYAML_VERSION is < 0.1.6" do
test_libyaml_version_ok(false, "psych", "0.1.5")
end
it "issues no warning if Psych::LIBYAML_VERSION is == 0.1.6" do
test_libyaml_version_ok(true, "psych", "0.1.6")
end
it "issues no warning if Psych::LIBYAML_VERSION is > 0.1.6" do
test_libyaml_version_ok(true, "psych", "1.0.0")
end
it "does a proper version comparison (not just a string comparison)" do
test_libyaml_version_ok(true, "psych", "0.1.10")
end
context "when the system has a known patched libyaml version" do
let(:libyaml_patched) { true }
it "issues no warning, even when Psych::LIBYAML_VERSION < 0.1.6" do
test_libyaml_version_ok(true, "psych", "0.1.4")
end
end
end
if defined?(JRUBY_VERSION)
it "issues no warning, as JRuby doesn't use libyaml" do
test_libyaml_version_ok(true, "psych", "0.1.4")
end
end
end
end
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