Add bin and edit workflow

bin/gems/safe_yaml-1.0.5/spec/libyaml_checker_spec.rb

@@ -0,0 +1,69 @@
+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